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rpc: migrated the RPC insterface to a new reflection based RPC layer

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This commit is contained in:
Bas van Kervel
2015-12-16 10:58:01 +01:00
committed by Jeffrey Wilcke
parent f2ab351e8d
commit 19b2640e89
132 changed files with 4711 additions and 14320 deletions
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465
rpc/api/admin.go
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@ -1,465 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"fmt"
"io"
"math/big"
"os"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/common/natspec"
"github.com/ethereum/go-ethereum/common/registrar"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/rpc/useragent"
"github.com/ethereum/go-ethereum/xeth"
)
const (
AdminApiversion = "1.0"
importBatchSize = 2500
)
var (
// mapping between methods and handlers
AdminMapping = map[string]adminhandler{
"admin_addPeer": (*adminApi).AddPeer,
"admin_peers": (*adminApi).Peers,
"admin_nodeInfo": (*adminApi).NodeInfo,
"admin_exportChain": (*adminApi).ExportChain,
"admin_importChain": (*adminApi).ImportChain,
"admin_setSolc": (*adminApi).SetSolc,
"admin_datadir": (*adminApi).DataDir,
"admin_startRPC": (*adminApi).StartRPC,
"admin_stopRPC": (*adminApi).StopRPC,
"admin_setGlobalRegistrar": (*adminApi).SetGlobalRegistrar,
"admin_setHashReg": (*adminApi).SetHashReg,
"admin_setUrlHint": (*adminApi).SetUrlHint,
"admin_saveInfo": (*adminApi).SaveInfo,
"admin_register": (*adminApi).Register,
"admin_registerUrl": (*adminApi).RegisterUrl,
"admin_startNatSpec": (*adminApi).StartNatSpec,
"admin_stopNatSpec": (*adminApi).StopNatSpec,
"admin_getContractInfo": (*adminApi).GetContractInfo,
"admin_httpGet": (*adminApi).HttpGet,
"admin_sleepBlocks": (*adminApi).SleepBlocks,
"admin_sleep": (*adminApi).Sleep,
"admin_enableUserAgent": (*adminApi).EnableUserAgent,
}
)
// admin callback handler
type adminhandler func(*adminApi, *shared.Request) (interface{}, error)
// admin api provider
type adminApi struct {
xeth *xeth.XEth
stack *node.Node
ethereum *eth.Ethereum
codec codec.Codec
coder codec.ApiCoder
}
// create a new admin api instance
func NewAdminApi(xeth *xeth.XEth, stack *node.Node, codec codec.Codec) *adminApi {
api := &adminApi{
xeth: xeth,
stack: stack,
codec: codec,
coder: codec.New(nil),
}
if stack != nil {
stack.Service(&api.ethereum)
}
return api
}
// collection with supported methods
func (self *adminApi) Methods() []string {
methods := make([]string, len(AdminMapping))
i := 0
for k := range AdminMapping {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *adminApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := AdminMapping[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
func (self *adminApi) Name() string {
return shared.AdminApiName
}
func (self *adminApi) ApiVersion() string {
return AdminApiversion
}
func (self *adminApi) AddPeer(req *shared.Request) (interface{}, error) {
args := new(AddPeerArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
node, err := discover.ParseNode(args.Url)
if err != nil {
return nil, fmt.Errorf("invalid node URL: %v", err)
}
self.stack.Server().AddPeer(node)
return true, nil
}
func (self *adminApi) Peers(req *shared.Request) (interface{}, error) {
return self.stack.Server().PeersInfo(), nil
}
func (self *adminApi) NodeInfo(req *shared.Request) (interface{}, error) {
return self.stack.Server().NodeInfo(), nil
}
func (self *adminApi) DataDir(req *shared.Request) (interface{}, error) {
return self.stack.DataDir(), nil
}
func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
for _, b := range bs {
if !chain.HasBlock(b.Hash()) {
return false
}
}
return true
}
func (self *adminApi) ImportChain(req *shared.Request) (interface{}, error) {
args := new(ImportExportChainArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
fh, err := os.Open(args.Filename)
if err != nil {
return false, err
}
defer fh.Close()
stream := rlp.NewStream(fh, 0)
// Run actual the import.
blocks := make(types.Blocks, importBatchSize)
n := 0
for batch := 0; ; batch++ {
i := 0
for ; i < importBatchSize; i++ {
var b types.Block
if err := stream.Decode(&b); err == io.EOF {
break
} else if err != nil {
return false, fmt.Errorf("at block %d: %v", n, err)
}
blocks[i] = &b
n++
}
if i == 0 {
break
}
// Import the batch.
if hasAllBlocks(self.ethereum.BlockChain(), blocks[:i]) {
continue
}
if _, err := self.ethereum.BlockChain().InsertChain(blocks[:i]); err != nil {
return false, fmt.Errorf("invalid block %d: %v", n, err)
}
}
return true, nil
}
func (self *adminApi) ExportChain(req *shared.Request) (interface{}, error) {
args := new(ImportExportChainArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
fh, err := os.OpenFile(args.Filename, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
return false, err
}
defer fh.Close()
if err := self.ethereum.BlockChain().Export(fh); err != nil {
return false, err
}
return true, nil
}
func (self *adminApi) SetSolc(req *shared.Request) (interface{}, error) {
args := new(SetSolcArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
solc, err := self.xeth.SetSolc(args.Path)
if err != nil {
return nil, err
}
return solc.Info(), nil
}
func (self *adminApi) StartRPC(req *shared.Request) (interface{}, error) {
args := new(StartRPCArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
cfg := comms.HttpConfig{
ListenAddress: args.ListenAddress,
ListenPort: args.ListenPort,
CorsDomain: args.CorsDomain,
}
apis, err := ParseApiString(args.Apis, self.codec, self.xeth, self.stack)
if err != nil {
return false, err
}
err = comms.StartHttp(cfg, self.codec, Merge(apis...))
if err == nil {
return true, nil
}
return false, err
}
func (self *adminApi) StopRPC(req *shared.Request) (interface{}, error) {
comms.StopHttp()
return true, nil
}
func (self *adminApi) SleepBlocks(req *shared.Request) (interface{}, error) {
args := new(SleepBlocksArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
var timer <-chan time.Time
var height *big.Int
var err error
if args.Timeout > 0 {
timer = time.NewTimer(time.Duration(args.Timeout) * time.Second).C
}
height = new(big.Int).Add(self.xeth.CurrentBlock().Number(), big.NewInt(args.N))
height, err = sleepBlocks(self.xeth.UpdateState(), height, timer)
if err != nil {
return nil, err
}
return height.Uint64(), nil
}
func sleepBlocks(wait chan *big.Int, height *big.Int, timer <-chan time.Time) (newHeight *big.Int, err error) {
wait <- height
select {
case <-timer:
// if times out make sure the xeth loop does not block
go func() {
select {
case wait <- nil:
case <-wait:
}
}()
return nil, fmt.Errorf("timeout")
case newHeight = <-wait:
}
return
}
func (self *adminApi) Sleep(req *shared.Request) (interface{}, error) {
args := new(SleepArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
time.Sleep(time.Duration(args.S) * time.Second)
return nil, nil
}
func (self *adminApi) SetGlobalRegistrar(req *shared.Request) (interface{}, error) {
args := new(SetGlobalRegistrarArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
sender := common.HexToAddress(args.ContractAddress)
reg := registrar.New(self.xeth)
txhash, err := reg.SetGlobalRegistrar(args.NameReg, sender)
if err != nil {
return false, err
}
return txhash, nil
}
func (self *adminApi) SetHashReg(req *shared.Request) (interface{}, error) {
args := new(SetHashRegArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
reg := registrar.New(self.xeth)
sender := common.HexToAddress(args.Sender)
txhash, err := reg.SetHashReg(args.HashReg, sender)
if err != nil {
return false, err
}
return txhash, nil
}
func (self *adminApi) SetUrlHint(req *shared.Request) (interface{}, error) {
args := new(SetUrlHintArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
urlHint := args.UrlHint
sender := common.HexToAddress(args.Sender)
reg := registrar.New(self.xeth)
txhash, err := reg.SetUrlHint(urlHint, sender)
if err != nil {
return nil, err
}
return txhash, nil
}
func (self *adminApi) SaveInfo(req *shared.Request) (interface{}, error) {
args := new(SaveInfoArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
contenthash, err := compiler.SaveInfo(&args.ContractInfo, args.Filename)
if err != nil {
return nil, err
}
return contenthash.Hex(), nil
}
func (self *adminApi) Register(req *shared.Request) (interface{}, error) {
args := new(RegisterArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
sender := common.HexToAddress(args.Sender)
// sender and contract address are passed as hex strings
codeb := self.xeth.CodeAtBytes(args.Address)
codeHash := common.BytesToHash(crypto.Sha3(codeb))
contentHash := common.HexToHash(args.ContentHashHex)
registry := registrar.New(self.xeth)
_, err := registry.SetHashToHash(sender, codeHash, contentHash)
if err != nil {
return false, err
}
return true, nil
}
func (self *adminApi) RegisterUrl(req *shared.Request) (interface{}, error) {
args := new(RegisterUrlArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
sender := common.HexToAddress(args.Sender)
registry := registrar.New(self.xeth)
_, err := registry.SetUrlToHash(sender, common.HexToHash(args.ContentHash), args.Url)
if err != nil {
return false, err
}
return true, nil
}
func (self *adminApi) StartNatSpec(req *shared.Request) (interface{}, error) {
self.ethereum.NatSpec = true
return true, nil
}
func (self *adminApi) StopNatSpec(req *shared.Request) (interface{}, error) {
self.ethereum.NatSpec = false
return true, nil
}
func (self *adminApi) GetContractInfo(req *shared.Request) (interface{}, error) {
args := new(GetContractInfoArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
infoDoc, err := natspec.FetchDocsForContract(args.Contract, self.xeth, self.ethereum.HTTPClient())
if err != nil {
return nil, err
}
var info interface{}
err = self.coder.Decode(infoDoc, &info)
if err != nil {
return nil, err
}
return info, nil
}
func (self *adminApi) HttpGet(req *shared.Request) (interface{}, error) {
args := new(HttpGetArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
resp, err := self.ethereum.HTTPClient().Get(args.Uri, args.Path)
if err != nil {
return nil, err
}
return string(resp), nil
}
func (self *adminApi) EnableUserAgent(req *shared.Request) (interface{}, error) {
if fe, ok := self.xeth.Frontend().(*useragent.RemoteFrontend); ok {
fe.Enable()
}
return true, nil
}

468
rpc/api/admin_args.go
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@ -1,468 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type AddPeerArgs struct {
Url string
}
func (args *AddPeerArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) != 1 {
return shared.NewDecodeParamError("Expected enode as argument")
}
urlstr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("url", "not a string")
}
args.Url = urlstr
return nil
}
type ImportExportChainArgs struct {
Filename string
}
func (args *ImportExportChainArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) != 1 {
return shared.NewDecodeParamError("Expected filename as argument")
}
filename, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("filename", "not a string")
}
args.Filename = filename
return nil
}
type SetSolcArgs struct {
Path string
}
func (args *SetSolcArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) != 1 {
return shared.NewDecodeParamError("Expected path as argument")
}
if pathstr, ok := obj[0].(string); ok {
args.Path = pathstr
return nil
}
return shared.NewInvalidTypeError("path", "not a string")
}
type StartRPCArgs struct {
ListenAddress string
ListenPort uint
CorsDomain string
Apis string
}
func (args *StartRPCArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
args.ListenAddress = "127.0.0.1"
args.ListenPort = 8545
args.Apis = "net,eth,web3"
if len(obj) >= 1 && obj[0] != nil {
if addr, ok := obj[0].(string); ok {
args.ListenAddress = addr
} else {
return shared.NewInvalidTypeError("listenAddress", "not a string")
}
}
if len(obj) >= 2 && obj[1] != nil {
if port, ok := obj[1].(float64); ok && port >= 0 && port <= 64*1024 {
args.ListenPort = uint(port)
} else {
return shared.NewInvalidTypeError("listenPort", "not a valid port number")
}
}
if len(obj) >= 3 && obj[2] != nil {
if corsDomain, ok := obj[2].(string); ok {
args.CorsDomain = corsDomain
} else {
return shared.NewInvalidTypeError("corsDomain", "not a string")
}
}
if len(obj) >= 4 && obj[3] != nil {
if apis, ok := obj[3].(string); ok {
args.Apis = apis
} else {
return shared.NewInvalidTypeError("apis", "not a string")
}
}
return nil
}
type SleepArgs struct {
S int
}
func (args *SleepArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) >= 1 {
if obj[0] != nil {
if n, err := numString(obj[0]); err == nil {
args.S = int(n.Int64())
} else {
return shared.NewInvalidTypeError("N", "not an integer: "+err.Error())
}
} else {
return shared.NewInsufficientParamsError(0, 1)
}
}
return nil
}
type SleepBlocksArgs struct {
N int64
Timeout int64
}
func (args *SleepBlocksArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
args.N = 1
args.Timeout = 0
if len(obj) >= 1 && obj[0] != nil {
if n, err := numString(obj[0]); err == nil {
args.N = n.Int64()
} else {
return shared.NewInvalidTypeError("N", "not an integer: "+err.Error())
}
}
if len(obj) >= 2 && obj[1] != nil {
if n, err := numString(obj[1]); err == nil {
args.Timeout = n.Int64()
} else {
return shared.NewInvalidTypeError("Timeout", "not an integer: "+err.Error())
}
}
return nil
}
type SetGlobalRegistrarArgs struct {
NameReg string
ContractAddress string
}
func (args *SetGlobalRegistrarArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) == 0 {
return shared.NewDecodeParamError("Expected namereg address")
}
if len(obj) >= 1 {
if namereg, ok := obj[0].(string); ok {
args.NameReg = namereg
} else {
return shared.NewInvalidTypeError("NameReg", "not a string")
}
}
if len(obj) >= 2 && obj[1] != nil {
if addr, ok := obj[1].(string); ok {
args.ContractAddress = addr
} else {
return shared.NewInvalidTypeError("ContractAddress", "not a string")
}
}
return nil
}
type SetHashRegArgs struct {
HashReg string
Sender string
}
func (args *SetHashRegArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) >= 1 && obj[0] != nil {
if hashreg, ok := obj[0].(string); ok {
args.HashReg = hashreg
} else {
return shared.NewInvalidTypeError("HashReg", "not a string")
}
}
if len(obj) >= 2 && obj[1] != nil {
if sender, ok := obj[1].(string); ok {
args.Sender = sender
} else {
return shared.NewInvalidTypeError("Sender", "not a string")
}
}
return nil
}
type SetUrlHintArgs struct {
UrlHint string
Sender string
}
func (args *SetUrlHintArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) >= 1 && obj[0] != nil {
if urlhint, ok := obj[0].(string); ok {
args.UrlHint = urlhint
} else {
return shared.NewInvalidTypeError("UrlHint", "not a string")
}
}
if len(obj) >= 2 && obj[1] != nil {
if sender, ok := obj[1].(string); ok {
args.Sender = sender
} else {
return shared.NewInvalidTypeError("Sender", "not a string")
}
}
return nil
}
type SaveInfoArgs struct {
ContractInfo compiler.ContractInfo
Filename string
}
func (args *SaveInfoArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 2 {
return shared.NewInsufficientParamsError(len(obj), 2)
}
if jsonraw, err := json.Marshal(obj[0]); err == nil {
if err = json.Unmarshal(jsonraw, &args.ContractInfo); err != nil {
return err
}
} else {
return err
}
if filename, ok := obj[1].(string); ok {
args.Filename = filename
} else {
return shared.NewInvalidTypeError("Filename", "not a string")
}
return nil
}
type RegisterArgs struct {
Sender string
Address string
ContentHashHex string
}
func (args *RegisterArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 3 {
return shared.NewInsufficientParamsError(len(obj), 3)
}
if len(obj) >= 1 {
if sender, ok := obj[0].(string); ok {
args.Sender = sender
} else {
return shared.NewInvalidTypeError("Sender", "not a string")
}
}
if len(obj) >= 2 {
if address, ok := obj[1].(string); ok {
args.Address = address
} else {
return shared.NewInvalidTypeError("Address", "not a string")
}
}
if len(obj) >= 3 {
if hex, ok := obj[2].(string); ok {
args.ContentHashHex = hex
} else {
return shared.NewInvalidTypeError("ContentHashHex", "not a string")
}
}
return nil
}
type RegisterUrlArgs struct {
Sender string
ContentHash string
Url string
}
func (args *RegisterUrlArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) >= 1 {
if sender, ok := obj[0].(string); ok {
args.Sender = sender
} else {
return shared.NewInvalidTypeError("Sender", "not a string")
}
}
if len(obj) >= 2 {
if sender, ok := obj[1].(string); ok {
args.ContentHash = sender
} else {
return shared.NewInvalidTypeError("ContentHash", "not a string")
}
}
if len(obj) >= 3 {
if sender, ok := obj[2].(string); ok {
args.Url = sender
} else {
return shared.NewInvalidTypeError("Url", "not a string")
}
}
return nil
}
type GetContractInfoArgs struct {
Contract string
}
func (args *GetContractInfoArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if len(obj) >= 1 {
if contract, ok := obj[0].(string); ok {
args.Contract = contract
} else {
return shared.NewInvalidTypeError("Contract", "not a string")
}
}
return nil
}
type HttpGetArgs struct {
Uri string
Path string
}
func (args *HttpGetArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if len(obj) >= 1 {
if uri, ok := obj[0].(string); ok {
args.Uri = uri
} else {
return shared.NewInvalidTypeError("Uri", "not a string")
}
}
if len(obj) >= 2 && obj[1] != nil {
if path, ok := obj[1].(string); ok {
args.Path = path
} else {
return shared.NewInvalidTypeError("Path", "not a string")
}
}
return nil
}

143
rpc/api/admin_js.go
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@ -1,143 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Admin_JS = `
web3._extend({
property: 'admin',
methods:
[
new web3._extend.Method({
name: 'addPeer',
call: 'admin_addPeer',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'exportChain',
call: 'admin_exportChain',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'importChain',
call: 'admin_importChain',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'sleepBlocks',
call: 'admin_sleepBlocks',
params: 2,
inputFormatter: [null, null]
}),
new web3._extend.Method({
name: 'setSolc',
call: 'admin_setSolc',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'startRPC',
call: 'admin_startRPC',
params: 4,
inputFormatter: [null, null, null, null]
}),
new web3._extend.Method({
name: 'stopRPC',
call: 'admin_stopRPC',
params: 0,
inputFormatter: []
}),
new web3._extend.Method({
name: 'setGlobalRegistrar',
call: 'admin_setGlobalRegistrar',
params: 2,
inputFormatter: [null,null]
}),
new web3._extend.Method({
name: 'setHashReg',
call: 'admin_setHashReg',
params: 2,
inputFormatter: [null,null]
}),
new web3._extend.Method({
name: 'setUrlHint',
call: 'admin_setUrlHint',
params: 2,
inputFormatter: [null,null]
}),
new web3._extend.Method({
name: 'saveInfo',
call: 'admin_saveInfo',
params: 2,
inputFormatter: [null,null]
}),
new web3._extend.Method({
name: 'register',
call: 'admin_register',
params: 3,
inputFormatter: [null,null,null]
}),
new web3._extend.Method({
name: 'registerUrl',
call: 'admin_registerUrl',
params: 3,
inputFormatter: [null,null,null]
}),
new web3._extend.Method({
name: 'startNatSpec',
call: 'admin_startNatSpec',
params: 0,
inputFormatter: []
}),
new web3._extend.Method({
name: 'stopNatSpec',
call: 'admin_stopNatSpec',
params: 0,
inputFormatter: []
}),
new web3._extend.Method({
name: 'getContractInfo',
call: 'admin_getContractInfo',
params: 1,
inputFormatter: [null],
}),
new web3._extend.Method({
name: 'httpGet',
call: 'admin_httpGet',
params: 2,
inputFormatter: [null, null]
})
],
properties:
[
new web3._extend.Property({
name: 'nodeInfo',
getter: 'admin_nodeInfo'
}),
new web3._extend.Property({
name: 'peers',
getter: 'admin_peers'
}),
new web3._extend.Property({
name: 'datadir',
getter: 'admin_datadir'
})
]
});
`

26
rpc/api/api.go
View File

@ -1,26 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/rpc/shared"
)
// Merge multiple API's to a single API instance
func Merge(apis ...shared.EthereumApi) shared.EthereumApi {
return newMergedApi(apis...)
}

170
rpc/api/api_test.go
View File

@ -1,170 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"testing"
"encoding/json"
"strconv"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
func TestParseApiString(t *testing.T) {
apis, err := ParseApiString("", codec.JSON, nil, nil)
if err == nil {
t.Errorf("Expected an err from parsing empty API string but got nil")
}
if len(apis) != 0 {
t.Errorf("Expected 0 apis from empty API string")
}
apis, err = ParseApiString("eth", codec.JSON, nil, nil)
if err != nil {
t.Errorf("Expected nil err from parsing empty API string but got %v", err)
}
if len(apis) != 1 {
t.Errorf("Expected 1 apis but got %d - %v", apis, apis)
}
apis, err = ParseApiString("eth,eth", codec.JSON, nil, nil)
if err != nil {
t.Errorf("Expected nil err from parsing empty API string but got \"%v\"", err)
}
if len(apis) != 2 {
t.Errorf("Expected 2 apis but got %d - %v", apis, apis)
}
apis, err = ParseApiString("eth,invalid", codec.JSON, nil, nil)
if err == nil {
t.Errorf("Expected an err but got no err")
}
}
const solcVersion = "0.9.23"
func TestCompileSolidity(t *testing.T) {
solc, err := compiler.New("")
if solc == nil {
t.Skip("no solc found: skip")
} else if solc.Version() != solcVersion {
t.Skip("WARNING: skipping test because of solc different version (%v, test written for %v, may need to update)", solc.Version(), solcVersion)
}
source := `contract test {\n` +
" /// @notice Will multiply `a` by 7." + `\n` +
` function multiply(uint a) returns(uint d) {\n` +
` return a * 7;\n` +
` }\n` +
`}\n`
jsonstr := `{"jsonrpc":"2.0","method":"eth_compileSolidity","params":["` + source + `"],"id":64}`
expCode := "0x605880600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b603d6004803590602001506047565b8060005260206000f35b60006007820290506053565b91905056"
expAbiDefinition := `[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}]`
expUserDoc := `{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}}`
expDeveloperDoc := `{"methods":{}}`
expCompilerVersion := solc.Version()
expLanguage := "Solidity"
expLanguageVersion := "0"
expSource := source
eth := &eth.Ethereum{}
xeth := xeth.NewTest(nil, nil)
api := NewEthApi(xeth, eth, codec.JSON)
var rpcRequest shared.Request
json.Unmarshal([]byte(jsonstr), &rpcRequest)
response, err := api.CompileSolidity(&rpcRequest)
if err != nil {
t.Errorf("Execution failed, %v", err)
}
respjson, err := json.Marshal(response)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
var contracts = make(map[string]*compiler.Contract)
err = json.Unmarshal(respjson, &contracts)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if len(contracts) != 1 {
t.Errorf("expected one contract, got %v", len(contracts))
}
contract := contracts["test"]
if contract.Code != expCode {
t.Errorf("Expected \n%s got \n%s", expCode, contract.Code)
}
if strconv.Quote(contract.Info.Source) != `"`+expSource+`"` {
t.Errorf("Expected \n'%s' got \n'%s'", expSource, strconv.Quote(contract.Info.Source))
}
if contract.Info.Language != expLanguage {
t.Errorf("Expected %s got %s", expLanguage, contract.Info.Language)
}
if contract.Info.LanguageVersion != expLanguageVersion {
t.Errorf("Expected %s got %s", expLanguageVersion, contract.Info.LanguageVersion)
}
if contract.Info.CompilerVersion != expCompilerVersion {
t.Errorf("Expected %s got %s", expCompilerVersion, contract.Info.CompilerVersion)
}
userdoc, err := json.Marshal(contract.Info.UserDoc)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
devdoc, err := json.Marshal(contract.Info.DeveloperDoc)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
abidef, err := json.Marshal(contract.Info.AbiDefinition)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if string(abidef) != expAbiDefinition {
t.Errorf("Expected \n'%s' got \n'%s'", expAbiDefinition, string(abidef))
}
if string(userdoc) != expUserDoc {
t.Errorf("Expected \n'%s' got \n'%s'", expUserDoc, string(userdoc))
}
if string(devdoc) != expDeveloperDoc {
t.Errorf("Expected %s got %s", expDeveloperDoc, string(devdoc))
}
}

74
rpc/api/args.go
View File

@ -1,74 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type CompileArgs struct {
Source string
}
func (args *CompileArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
argstr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("arg0", "is not a string")
}
args.Source = argstr
return nil
}
type FilterStringArgs struct {
Word string
}
func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
var argstr string
argstr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("filter", "not a string")
}
switch argstr {
case "latest", "pending":
break
default:
return shared.NewValidationError("Word", "Must be `latest` or `pending`")
}
args.Word = argstr
return nil
}

2649
rpc/api/args_test.go
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File diff suppressed because it is too large Load Diff

144
rpc/api/db.go
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@ -1,144 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
DbApiversion = "1.0"
)
var (
// mapping between methods and handlers
DbMapping = map[string]dbhandler{
"db_getString": (*dbApi).GetString,
"db_putString": (*dbApi).PutString,
"db_getHex": (*dbApi).GetHex,
"db_putHex": (*dbApi).PutHex,
}
)
// db callback handler
type dbhandler func(*dbApi, *shared.Request) (interface{}, error)
// db api provider
type dbApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]dbhandler
codec codec.ApiCoder
}
// create a new db api instance
func NewDbApi(xeth *xeth.XEth, ethereum *eth.Ethereum, coder codec.Codec) *dbApi {
return &dbApi{
xeth: xeth,
ethereum: ethereum,
methods: DbMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *dbApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *dbApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
func (self *dbApi) Name() string {
return shared.DbApiName
}
func (self *dbApi) ApiVersion() string {
return DbApiversion
}
func (self *dbApi) GetString(req *shared.Request) (interface{}, error) {
args := new(DbArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if err := args.requirements(); err != nil {
return nil, err
}
ret, err := self.xeth.DbGet([]byte(args.Database + args.Key))
return string(ret), err
}
func (self *dbApi) PutString(req *shared.Request) (interface{}, error) {
args := new(DbArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if err := args.requirements(); err != nil {
return nil, err
}
return self.xeth.DbPut([]byte(args.Database+args.Key), args.Value), nil
}
func (self *dbApi) GetHex(req *shared.Request) (interface{}, error) {
args := new(DbHexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if err := args.requirements(); err != nil {
return nil, err
}
if res, err := self.xeth.DbGet([]byte(args.Database + args.Key)); err == nil {
return newHexData(res), nil
} else {
return nil, err
}
}
func (self *dbApi) PutHex(req *shared.Request) (interface{}, error) {
args := new(DbHexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if err := args.requirements(); err != nil {
return nil, err
}
return self.xeth.DbPut([]byte(args.Database+args.Key), args.Value), nil
}

126
rpc/api/db_args.go
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@ -1,126 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type DbArgs struct {
Database string
Key string
Value []byte
}
func (args *DbArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 2 {
return shared.NewInsufficientParamsError(len(obj), 2)
}
var objstr string
var ok bool
if objstr, ok = obj[0].(string); !ok {
return shared.NewInvalidTypeError("database", "not a string")
}
args.Database = objstr
if objstr, ok = obj[1].(string); !ok {
return shared.NewInvalidTypeError("key", "not a string")
}
args.Key = objstr
if len(obj) > 2 {
objstr, ok = obj[2].(string)
if !ok {
return shared.NewInvalidTypeError("value", "not a string")
}
args.Value = []byte(objstr)
}
return nil
}
func (a *DbArgs) requirements() error {
if len(a.Database) == 0 {
return shared.NewValidationError("Database", "cannot be blank")
}
if len(a.Key) == 0 {
return shared.NewValidationError("Key", "cannot be blank")
}
return nil
}
type DbHexArgs struct {
Database string
Key string
Value []byte
}
func (args *DbHexArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 2 {
return shared.NewInsufficientParamsError(len(obj), 2)
}
var objstr string
var ok bool
if objstr, ok = obj[0].(string); !ok {
return shared.NewInvalidTypeError("database", "not a string")
}
args.Database = objstr
if objstr, ok = obj[1].(string); !ok {
return shared.NewInvalidTypeError("key", "not a string")
}
args.Key = objstr
if len(obj) > 2 {
objstr, ok = obj[2].(string)
if !ok {
return shared.NewInvalidTypeError("value", "not a string")
}
args.Value = common.FromHex(objstr)
}
return nil
}
func (a *DbHexArgs) requirements() error {
if len(a.Database) == 0 {
return shared.NewValidationError("Database", "cannot be blank")
}
if len(a.Key) == 0 {
return shared.NewValidationError("Key", "cannot be blank")
}
return nil
}

29
rpc/api/db_js.go
View File

@ -1,29 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Db_JS = `
web3._extend({
property: 'db',
methods:
[
],
properties:
[
]
});
`

303
rpc/api/debug.go
View File

@ -1,303 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"fmt"
"strings"
"time"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
"github.com/rcrowley/go-metrics"
)
const (
DebugApiVersion = "1.0"
)
var (
// mapping between methods and handlers
DebugMapping = map[string]debughandler{
"debug_dumpBlock": (*debugApi).DumpBlock,
"debug_getBlockRlp": (*debugApi).GetBlockRlp,
"debug_printBlock": (*debugApi).PrintBlock,
"debug_processBlock": (*debugApi).ProcessBlock,
"debug_seedHash": (*debugApi).SeedHash,
"debug_setHead": (*debugApi).SetHead,
"debug_metrics": (*debugApi).Metrics,
}
)
// debug callback handler
type debughandler func(*debugApi, *shared.Request) (interface{}, error)
// admin api provider
type debugApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]debughandler
codec codec.ApiCoder
}
// create a new debug api instance
func NewDebugApi(xeth *xeth.XEth, ethereum *eth.Ethereum, coder codec.Codec) *debugApi {
return &debugApi{
xeth: xeth,
ethereum: ethereum,
methods: DebugMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *debugApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *debugApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
func (self *debugApi) Name() string {
return shared.DebugApiName
}
func (self *debugApi) ApiVersion() string {
return DebugApiVersion
}
func (self *debugApi) PrintBlock(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
return fmt.Sprintf("%s", block), nil
}
func (self *debugApi) DumpBlock(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
}
stateDb, err := state.New(block.Root(), self.ethereum.ChainDb())
if err != nil {
return nil, err
}
return stateDb.RawDump(), nil
}
func (self *debugApi) GetBlockRlp(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
}
encoded, err := rlp.EncodeToBytes(block)
return fmt.Sprintf("%x", encoded), err
}
func (self *debugApi) SetHead(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
self.ethereum.BlockChain().SetHead(uint64(args.BlockNumber))
return nil, nil
}
func (self *debugApi) ProcessBlock(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
}
old := vm.Debug
defer func() { vm.Debug = old }()
vm.Debug = true
var (
blockchain = self.ethereum.BlockChain()
validator = blockchain.Validator()
processor = blockchain.Processor()
)
err := core.ValidateHeader(blockchain.AuxValidator(), block.Header(), blockchain.GetHeader(block.ParentHash()), true, false)
if err != nil {
return false, err
}
statedb, err := state.New(blockchain.GetBlock(block.ParentHash()).Root(), self.ethereum.ChainDb())
if err != nil {
return false, err
}
receipts, _, usedGas, err := processor.Process(block, statedb)
if err != nil {
return false, err
}
err = validator.ValidateState(block, blockchain.GetBlock(block.ParentHash()), statedb, receipts, usedGas)
if err != nil {
return false, err
}
return true, nil
}
func (self *debugApi) SeedHash(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if hash, err := ethash.GetSeedHash(uint64(args.BlockNumber)); err == nil {
return fmt.Sprintf("0x%x", hash), nil
} else {
return nil, err
}
}
func (self *debugApi) Metrics(req *shared.Request) (interface{}, error) {
args := new(MetricsArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
// Create a rate formatter
units := []string{"", "K", "M", "G", "T", "E", "P"}
round := func(value float64, prec int) string {
unit := 0
for value >= 1000 {
unit, value, prec = unit+1, value/1000, 2
}
return fmt.Sprintf(fmt.Sprintf("%%.%df%s", prec, units[unit]), value)
}
format := func(total float64, rate float64) string {
return fmt.Sprintf("%s (%s/s)", round(total, 0), round(rate, 2))
}
// Iterate over all the metrics, and just dump for now
counters := make(map[string]interface{})
metrics.DefaultRegistry.Each(func(name string, metric interface{}) {
// Create or retrieve the counter hierarchy for this metric
root, parts := counters, strings.Split(name, "/")
for _, part := range parts[:len(parts)-1] {
if _, ok := root[part]; !ok {
root[part] = make(map[string]interface{})
}
root = root[part].(map[string]interface{})
}
name = parts[len(parts)-1]
// Fill the counter with the metric details, formatting if requested
if args.Raw {
switch metric := metric.(type) {
case metrics.Meter:
root[name] = map[string]interface{}{
"AvgRate01Min": metric.Rate1(),
"AvgRate05Min": metric.Rate5(),
"AvgRate15Min": metric.Rate15(),
"MeanRate": metric.RateMean(),
"Overall": float64(metric.Count()),
}
case metrics.Timer:
root[name] = map[string]interface{}{
"AvgRate01Min": metric.Rate1(),
"AvgRate05Min": metric.Rate5(),
"AvgRate15Min": metric.Rate15(),
"MeanRate": metric.RateMean(),
"Overall": float64(metric.Count()),
"Percentiles": map[string]interface{}{
"5": metric.Percentile(0.05),
"20": metric.Percentile(0.2),
"50": metric.Percentile(0.5),
"80": metric.Percentile(0.8),
"95": metric.Percentile(0.95),
},
}
default:
root[name] = "Unknown metric type"
}
} else {
switch metric := metric.(type) {
case metrics.Meter:
root[name] = map[string]interface{}{
"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
"Overall": format(float64(metric.Count()), metric.RateMean()),
}
case metrics.Timer:
root[name] = map[string]interface{}{
"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
"Overall": format(float64(metric.Count()), metric.RateMean()),
"Maximum": time.Duration(metric.Max()).String(),
"Minimum": time.Duration(metric.Min()).String(),
"Percentiles": map[string]interface{}{
"5": time.Duration(metric.Percentile(0.05)).String(),
"20": time.Duration(metric.Percentile(0.2)).String(),
"50": time.Duration(metric.Percentile(0.5)).String(),
"80": time.Duration(metric.Percentile(0.8)).String(),
"95": time.Duration(metric.Percentile(0.95)).String(),
},
}
default:
root[name] = "Unknown metric type"
}
}
})
return counters, nil
}

87
rpc/api/debug_args.go
View File

@ -1,87 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"fmt"
"math/big"
"reflect"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type WaitForBlockArgs struct {
MinHeight int
Timeout int // in seconds
}
func (args *WaitForBlockArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) > 2 {
return fmt.Errorf("waitForArgs needs 0, 1, 2 arguments")
}
// default values when not provided
args.MinHeight = -1
args.Timeout = -1
if len(obj) >= 1 {
var minHeight *big.Int
if minHeight, err = numString(obj[0]); err != nil {
return err
}
args.MinHeight = int(minHeight.Int64())
}
if len(obj) >= 2 {
timeout, err := numString(obj[1])
if err != nil {
return err
}
args.Timeout = int(timeout.Int64())
}
return nil
}
type MetricsArgs struct {
Raw bool
}
func (args *MetricsArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) > 1 {
return fmt.Errorf("metricsArgs needs 0, 1 arguments")
}
// default values when not provided
if len(obj) >= 1 && obj[0] != nil {
if value, ok := obj[0].(bool); !ok {
return fmt.Errorf("invalid argument %v", reflect.TypeOf(obj[0]))
} else {
args.Raw = value
}
}
return nil
}

83
rpc/api/debug_js.go
View File

@ -1,83 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Debug_JS = `
web3._extend({
property: 'debug',
methods:
[
new web3._extend.Method({
name: 'printBlock',
call: 'debug_printBlock',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'getBlockRlp',
call: 'debug_getBlockRlp',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'setHead',
call: 'debug_setHead',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'processBlock',
call: 'debug_processBlock',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'seedHash',
call: 'debug_seedHash',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'dumpBlock',
call: 'debug_dumpBlock',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'metrics',
call: 'debug_metrics',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'verbosity',
call: 'debug_verbosity',
params: 1,
inputFormatter: [web3._extend.utils.fromDecimal]
}),
new web3._extend.Method({
name: 'vmodule',
call: 'debug_vmodule',
params: 1,
inputFormatter: [null]
}),
],
properties:
[
]
});
`

721
rpc/api/eth.go
View File

@ -1,721 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"bytes"
"encoding/json"
"math/big"
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/natspec"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
"gopkg.in/fatih/set.v0"
)
const (
EthApiVersion = "1.0"
)
// eth api provider
// See https://github.com/ethereum/wiki/wiki/JSON-RPC
type ethApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]ethhandler
codec codec.ApiCoder
}
// eth callback handler
type ethhandler func(*ethApi, *shared.Request) (interface{}, error)
var (
ethMapping = map[string]ethhandler{
"eth_accounts": (*ethApi).Accounts,
"eth_blockNumber": (*ethApi).BlockNumber,
"eth_getBalance": (*ethApi).GetBalance,
"eth_protocolVersion": (*ethApi).ProtocolVersion,
"eth_coinbase": (*ethApi).Coinbase,
"eth_mining": (*ethApi).IsMining,
"eth_syncing": (*ethApi).IsSyncing,
"eth_gasPrice": (*ethApi).GasPrice,
"eth_getStorage": (*ethApi).GetStorage,
"eth_storageAt": (*ethApi).GetStorage,
"eth_getStorageAt": (*ethApi).GetStorageAt,
"eth_getTransactionCount": (*ethApi).GetTransactionCount,
"eth_getBlockTransactionCountByHash": (*ethApi).GetBlockTransactionCountByHash,
"eth_getBlockTransactionCountByNumber": (*ethApi).GetBlockTransactionCountByNumber,
"eth_getUncleCountByBlockHash": (*ethApi).GetUncleCountByBlockHash,
"eth_getUncleCountByBlockNumber": (*ethApi).GetUncleCountByBlockNumber,
"eth_getData": (*ethApi).GetData,
"eth_getCode": (*ethApi).GetData,
"eth_getNatSpec": (*ethApi).GetNatSpec,
"eth_sign": (*ethApi).Sign,
"eth_sendRawTransaction": (*ethApi).SubmitTransaction,
"eth_submitTransaction": (*ethApi).SubmitTransaction,
"eth_sendTransaction": (*ethApi).SendTransaction,
"eth_signTransaction": (*ethApi).SignTransaction,
"eth_transact": (*ethApi).SendTransaction,
"eth_estimateGas": (*ethApi).EstimateGas,
"eth_call": (*ethApi).Call,
"eth_flush": (*ethApi).Flush,
"eth_getBlockByHash": (*ethApi).GetBlockByHash,
"eth_getBlockByNumber": (*ethApi).GetBlockByNumber,
"eth_getTransactionByHash": (*ethApi).GetTransactionByHash,
"eth_getTransactionByBlockNumberAndIndex": (*ethApi).GetTransactionByBlockNumberAndIndex,
"eth_getTransactionByBlockHashAndIndex": (*ethApi).GetTransactionByBlockHashAndIndex,
"eth_getUncleByBlockHashAndIndex": (*ethApi).GetUncleByBlockHashAndIndex,
"eth_getUncleByBlockNumberAndIndex": (*ethApi).GetUncleByBlockNumberAndIndex,
"eth_getCompilers": (*ethApi).GetCompilers,
"eth_compileSolidity": (*ethApi).CompileSolidity,
"eth_newFilter": (*ethApi).NewFilter,
"eth_newBlockFilter": (*ethApi).NewBlockFilter,
"eth_newPendingTransactionFilter": (*ethApi).NewPendingTransactionFilter,
"eth_uninstallFilter": (*ethApi).UninstallFilter,
"eth_getFilterChanges": (*ethApi).GetFilterChanges,
"eth_getFilterLogs": (*ethApi).GetFilterLogs,
"eth_getLogs": (*ethApi).GetLogs,
"eth_hashrate": (*ethApi).Hashrate,
"eth_getWork": (*ethApi).GetWork,
"eth_submitWork": (*ethApi).SubmitWork,
"eth_submitHashrate": (*ethApi).SubmitHashrate,
"eth_resend": (*ethApi).Resend,
"eth_pendingTransactions": (*ethApi).PendingTransactions,
"eth_getTransactionReceipt": (*ethApi).GetTransactionReceipt,
}
)
// create new ethApi instance
func NewEthApi(xeth *xeth.XEth, eth *eth.Ethereum, codec codec.Codec) *ethApi {
return &ethApi{xeth, eth, ethMapping, codec.New(nil)}
}
// collection with supported methods
func (self *ethApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *ethApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *ethApi) Name() string {
return shared.EthApiName
}
func (self *ethApi) ApiVersion() string {
return EthApiVersion
}
func (self *ethApi) Accounts(req *shared.Request) (interface{}, error) {
return self.xeth.Accounts(), nil
}
func (self *ethApi) Hashrate(req *shared.Request) (interface{}, error) {
return newHexNum(self.xeth.HashRate()), nil
}
func (self *ethApi) BlockNumber(req *shared.Request) (interface{}, error) {
num := self.xeth.CurrentBlock().Number()
return newHexNum(num.Bytes()), nil
}
func (self *ethApi) GetBalance(req *shared.Request) (interface{}, error) {
args := new(GetBalanceArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return self.xeth.AtStateNum(args.BlockNumber).BalanceAt(args.Address), nil
}
func (self *ethApi) ProtocolVersion(req *shared.Request) (interface{}, error) {
return self.xeth.EthVersion(), nil
}
func (self *ethApi) Coinbase(req *shared.Request) (interface{}, error) {
return newHexData(self.xeth.Coinbase()), nil
}
func (self *ethApi) IsMining(req *shared.Request) (interface{}, error) {
return self.xeth.IsMining(), nil
}
func (self *ethApi) IsSyncing(req *shared.Request) (interface{}, error) {
origin, current, height := self.ethereum.Downloader().Progress()
if current < height {
return map[string]interface{}{
"startingBlock": newHexNum(big.NewInt(int64(origin)).Bytes()),
"currentBlock": newHexNum(big.NewInt(int64(current)).Bytes()),
"highestBlock": newHexNum(big.NewInt(int64(height)).Bytes()),
}, nil
}
return false, nil
}
func (self *ethApi) GasPrice(req *shared.Request) (interface{}, error) {
return newHexNum(self.xeth.DefaultGasPrice().Bytes()), nil
}
func (self *ethApi) GetStorage(req *shared.Request) (interface{}, error) {
args := new(GetStorageArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return self.xeth.AtStateNum(args.BlockNumber).State().SafeGet(args.Address).Storage(), nil
}
func (self *ethApi) GetStorageAt(req *shared.Request) (interface{}, error) {
args := new(GetStorageAtArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return self.xeth.AtStateNum(args.BlockNumber).StorageAt(args.Address, args.Key), nil
}
func (self *ethApi) GetTransactionCount(req *shared.Request) (interface{}, error) {
args := new(GetTxCountArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
count := self.xeth.AtStateNum(args.BlockNumber).TxCountAt(args.Address)
return fmt.Sprintf("%#x", count), nil
}
func (self *ethApi) GetBlockTransactionCountByHash(req *shared.Request) (interface{}, error) {
args := new(HashArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByHash(args.Hash)
if block == nil {
return nil, nil
}
return fmt.Sprintf("%#x", len(block.Transactions())), nil
}
func (self *ethApi) GetBlockTransactionCountByNumber(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, nil
}
return fmt.Sprintf("%#x", len(block.Transactions())), nil
}
func (self *ethApi) GetUncleCountByBlockHash(req *shared.Request) (interface{}, error) {
args := new(HashArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByHash(args.Hash)
if block == nil {
return nil, nil
}
return fmt.Sprintf("%#x", len(block.Uncles())), nil
}
func (self *ethApi) GetUncleCountByBlockNumber(req *shared.Request) (interface{}, error) {
args := new(BlockNumArg)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, nil
}
return fmt.Sprintf("%#x", len(block.Uncles())), nil
}
func (self *ethApi) GetData(req *shared.Request) (interface{}, error) {
args := new(GetDataArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
v := self.xeth.AtStateNum(args.BlockNumber).CodeAtBytes(args.Address)
return newHexData(v), nil
}
func (self *ethApi) Sign(req *shared.Request) (interface{}, error) {
args := new(NewSigArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
v, err := self.xeth.Sign(args.From, args.Data, false)
if err != nil {
return nil, err
}
return v, nil
}
func (self *ethApi) SubmitTransaction(req *shared.Request) (interface{}, error) {
args := new(NewDataArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
v, err := self.xeth.PushTx(args.Data)
if err != nil {
return nil, err
}
return v, nil
}
// JsonTransaction is returned as response by the JSON RPC. It contains the
// signed RLP encoded transaction as Raw and the signed transaction object as Tx.
type JsonTransaction struct {
Raw string `json:"raw"`
Tx *tx `json:"tx"`
}
func (self *ethApi) SignTransaction(req *shared.Request) (interface{}, error) {
args := new(NewTxArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
// nonce may be nil ("guess" mode)
var nonce string
if args.Nonce != nil {
nonce = args.Nonce.String()
}
var gas, price string
if args.Gas != nil {
gas = args.Gas.String()
}
if args.GasPrice != nil {
price = args.GasPrice.String()
}
tx, err := self.xeth.SignTransaction(args.From, args.To, nonce, args.Value.String(), gas, price, args.Data)
if err != nil {
return nil, err
}
data, err := rlp.EncodeToBytes(tx)
if err != nil {
return nil, err
}
return JsonTransaction{"0x" + common.Bytes2Hex(data), newTx(tx)}, nil
}
func (self *ethApi) SendTransaction(req *shared.Request) (interface{}, error) {
args := new(NewTxArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
// nonce may be nil ("guess" mode)
var nonce string
if args.Nonce != nil {
nonce = args.Nonce.String()
}
var gas, price string
if args.Gas != nil {
gas = args.Gas.String()
}
if args.GasPrice != nil {
price = args.GasPrice.String()
}
v, err := self.xeth.Transact(args.From, args.To, nonce, args.Value.String(), gas, price, args.Data)
if err != nil {
return nil, err
}
return v, nil
}
func (self *ethApi) GetNatSpec(req *shared.Request) (interface{}, error) {
args := new(NewTxArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
var jsontx = fmt.Sprintf(`{"params":[{"to":"%s","data": "%s"}]}`, args.To, args.Data)
notice := natspec.GetNotice(self.xeth, jsontx, self.ethereum.HTTPClient())
return notice, nil
}
func (self *ethApi) EstimateGas(req *shared.Request) (interface{}, error) {
_, gas, err := self.doCall(req.Params)
if err != nil {
return nil, err
}
// TODO unwrap the parent method's ToHex call
if len(gas) == 0 {
return newHexNum(0), nil
} else {
return newHexNum(common.String2Big(gas)), err
}
}
func (self *ethApi) Call(req *shared.Request) (interface{}, error) {
v, _, err := self.doCall(req.Params)
if err != nil {
return nil, err
}
// TODO unwrap the parent method's ToHex call
if v == "0x0" {
return newHexData([]byte{}), nil
} else {
return newHexData(common.FromHex(v)), nil
}
}
func (self *ethApi) Flush(req *shared.Request) (interface{}, error) {
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *ethApi) doCall(params json.RawMessage) (string, string, error) {
args := new(CallArgs)
if err := self.codec.Decode(params, &args); err != nil {
return "", "", err
}
return self.xeth.AtStateNum(args.BlockNumber).Call(args.From, args.To, args.Value.String(), args.Gas.String(), args.GasPrice.String(), args.Data)
}
func (self *ethApi) GetBlockByHash(req *shared.Request) (interface{}, error) {
args := new(GetBlockByHashArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByHash(args.BlockHash)
if block == nil {
return nil, nil
}
return NewBlockRes(block, self.xeth.Td(block.Hash()), args.IncludeTxs), nil
}
func (self *ethApi) GetBlockByNumber(req *shared.Request) (interface{}, error) {
args := new(GetBlockByNumberArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
if block == nil {
return nil, nil
}
return NewBlockRes(block, self.xeth.Td(block.Hash()), args.IncludeTxs), nil
}
func (self *ethApi) GetTransactionByHash(req *shared.Request) (interface{}, error) {
args := new(HashArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
tx, bhash, bnum, txi := self.xeth.EthTransactionByHash(args.Hash)
if tx != nil {
v := NewTransactionRes(tx)
// if the blockhash is 0, assume this is a pending transaction
if bytes.Compare(bhash.Bytes(), bytes.Repeat([]byte{0}, 32)) != 0 {
v.BlockHash = newHexData(bhash)
v.BlockNumber = newHexNum(bnum)
v.TxIndex = newHexNum(txi)
}
return v, nil
}
return nil, nil
}
func (self *ethApi) GetTransactionByBlockHashAndIndex(req *shared.Request) (interface{}, error) {
args := new(HashIndexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
raw := self.xeth.EthBlockByHash(args.Hash)
if raw == nil {
return nil, nil
}
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if args.Index >= int64(len(block.Transactions)) || args.Index < 0 {
return nil, nil
} else {
return block.Transactions[args.Index], nil
}
}
func (self *ethApi) GetTransactionByBlockNumberAndIndex(req *shared.Request) (interface{}, error) {
args := new(BlockNumIndexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
if raw == nil {
return nil, nil
}
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if args.Index >= int64(len(block.Transactions)) || args.Index < 0 {
// return NewValidationError("Index", "does not exist")
return nil, nil
}
return block.Transactions[args.Index], nil
}
func (self *ethApi) GetUncleByBlockHashAndIndex(req *shared.Request) (interface{}, error) {
args := new(HashIndexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
raw := self.xeth.EthBlockByHash(args.Hash)
if raw == nil {
return nil, nil
}
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if args.Index >= int64(len(block.Uncles)) || args.Index < 0 {
// return NewValidationError("Index", "does not exist")
return nil, nil
}
return block.Uncles[args.Index], nil
}
func (self *ethApi) GetUncleByBlockNumberAndIndex(req *shared.Request) (interface{}, error) {
args := new(BlockNumIndexArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
if raw == nil {
return nil, nil
}
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if args.Index >= int64(len(block.Uncles)) || args.Index < 0 {
return nil, nil
} else {
return block.Uncles[args.Index], nil
}
}
func (self *ethApi) GetCompilers(req *shared.Request) (interface{}, error) {
var lang string
if solc, _ := self.xeth.Solc(); solc != nil {
lang = "Solidity"
}
c := []string{lang}
return c, nil
}
func (self *ethApi) CompileSolidity(req *shared.Request) (interface{}, error) {
solc, _ := self.xeth.Solc()
if solc == nil {
return nil, shared.NewNotAvailableError(req.Method, "solc (solidity compiler) not found")
}
args := new(SourceArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
contracts, err := solc.Compile(args.Source)
if err != nil {
return nil, err
}
return contracts, nil
}
func (self *ethApi) NewFilter(req *shared.Request) (interface{}, error) {
args := new(BlockFilterArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
id := self.xeth.NewLogFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
return newHexNum(big.NewInt(int64(id)).Bytes()), nil
}
func (self *ethApi) NewBlockFilter(req *shared.Request) (interface{}, error) {
return newHexNum(self.xeth.NewBlockFilter()), nil
}
func (self *ethApi) NewPendingTransactionFilter(req *shared.Request) (interface{}, error) {
return newHexNum(self.xeth.NewTransactionFilter()), nil
}
func (self *ethApi) UninstallFilter(req *shared.Request) (interface{}, error) {
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return self.xeth.UninstallFilter(args.Id), nil
}
func (self *ethApi) GetFilterChanges(req *shared.Request) (interface{}, error) {
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
switch self.xeth.GetFilterType(args.Id) {
case xeth.BlockFilterTy:
return NewHashesRes(self.xeth.BlockFilterChanged(args.Id)), nil
case xeth.TransactionFilterTy:
return NewHashesRes(self.xeth.TransactionFilterChanged(args.Id)), nil
case xeth.LogFilterTy:
return NewLogsRes(self.xeth.LogFilterChanged(args.Id)), nil
default:
return []string{}, nil // reply empty string slice
}
}
func (self *ethApi) GetFilterLogs(req *shared.Request) (interface{}, error) {
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return NewLogsRes(self.xeth.Logs(args.Id)), nil
}
func (self *ethApi) GetLogs(req *shared.Request) (interface{}, error) {
args := new(BlockFilterArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return NewLogsRes(self.xeth.AllLogs(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)), nil
}
func (self *ethApi) GetWork(req *shared.Request) (interface{}, error) {
self.xeth.SetMining(true, 0)
ret, err := self.xeth.RemoteMining().GetWork()
if err != nil {
return nil, shared.NewNotReadyError("mining work")
} else {
return ret, nil
}
}
func (self *ethApi) SubmitWork(req *shared.Request) (interface{}, error) {
args := new(SubmitWorkArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
return self.xeth.RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header)), nil
}
func (self *ethApi) SubmitHashrate(req *shared.Request) (interface{}, error) {
args := new(SubmitHashRateArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return false, shared.NewDecodeParamError(err.Error())
}
self.xeth.RemoteMining().SubmitHashrate(common.HexToHash(args.Id), args.Rate)
return true, nil
}
func (self *ethApi) Resend(req *shared.Request) (interface{}, error) {
args := new(ResendArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
from := common.HexToAddress(args.Tx.From)
pending := self.ethereum.TxPool().GetTransactions()
for _, p := range pending {
if pFrom, err := p.From(); err == nil && pFrom == from && p.SigHash() == args.Tx.tx.SigHash() {
self.ethereum.TxPool().RemoveTx(common.HexToHash(args.Tx.Hash))
return self.xeth.Transact(args.Tx.From, args.Tx.To, args.Tx.Nonce, args.Tx.Value, args.GasLimit, args.GasPrice, args.Tx.Data)
}
}
return nil, fmt.Errorf("Transaction %s not found", args.Tx.Hash)
}
func (self *ethApi) PendingTransactions(req *shared.Request) (interface{}, error) {
txs := self.ethereum.TxPool().GetTransactions()
// grab the accounts from the account manager. This will help with determining which
// transactions should be returned.
accounts, err := self.ethereum.AccountManager().Accounts()
if err != nil {
return nil, err
}
// Add the accouns to a new set
accountSet := set.New()
for _, account := range accounts {
accountSet.Add(account.Address)
}
var ltxs []*tx
for _, tx := range txs {
if from, _ := tx.From(); accountSet.Has(from) {
ltxs = append(ltxs, newTx(tx))
}
}
return ltxs, nil
}
func (self *ethApi) GetTransactionReceipt(req *shared.Request) (interface{}, error) {
args := new(HashArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
txhash := common.BytesToHash(common.FromHex(args.Hash))
tx, bhash, bnum, txi := self.xeth.EthTransactionByHash(args.Hash)
rec := self.xeth.GetTxReceipt(txhash)
// We could have an error of "not found". Should disambiguate
// if err != nil {
// return err, nil
// }
if rec != nil && tx != nil {
v := NewReceiptRes(rec)
v.BlockHash = newHexData(bhash)
v.BlockNumber = newHexNum(bnum)
v.TransactionIndex = newHexNum(txi)
return v, nil
}
return nil, nil
}

1104
rpc/api/eth_args.go
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66
rpc/api/eth_js.go
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@ -1,66 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
// JS api provided by web3.js
// eth_sign not standard
const Eth_JS = `
web3._extend({
property: 'eth',
methods:
[
new web3._extend.Method({
name: 'sign',
call: 'eth_sign',
params: 2,
inputFormatter: [web3._extend.utils.toAddress, null]
}),
new web3._extend.Method({
name: 'resend',
call: 'eth_resend',
params: 3,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter, web3._extend.utils.fromDecimal, web3._extend.utils.fromDecimal]
}),
new web3._extend.Method({
name: 'getNatSpec',
call: 'eth_getNatSpec',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
}),
new web3._extend.Method({
name: 'signTransaction',
call: 'eth_signTransaction',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
}),
new web3._extend.Method({
name: 'submitTransaction',
call: 'eth_submitTransaction',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
})
],
properties:
[
new web3._extend.Property({
name: 'pendingTransactions',
getter: 'eth_pendingTransactions'
})
]
});
`

88
rpc/api/mergedapi.go
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@ -1,88 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
MergedApiVersion = "1.0"
)
// combines multiple API's
type MergedApi struct {
apis map[string]string
methods map[string]shared.EthereumApi
}
// create new merged api instance
func newMergedApi(apis ...shared.EthereumApi) *MergedApi {
mergedApi := new(MergedApi)
mergedApi.apis = make(map[string]string, len(apis))
mergedApi.methods = make(map[string]shared.EthereumApi)
for _, api := range apis {
if api != nil {
mergedApi.apis[api.Name()] = api.ApiVersion()
for _, method := range api.Methods() {
mergedApi.methods[method] = api
}
}
}
return mergedApi
}
// Supported RPC methods
func (self *MergedApi) Methods() []string {
all := make([]string, len(self.methods))
for method, _ := range self.methods {
all = append(all, method)
}
return all
}
// Call the correct API's Execute method for the given request
func (self *MergedApi) Execute(req *shared.Request) (interface{}, error) {
glog.V(logger.Detail).Infof("%s %s", req.Method, req.Params)
if res, _ := self.handle(req); res != nil {
return res, nil
}
if api, found := self.methods[req.Method]; found {
return api.Execute(req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *MergedApi) Name() string {
return shared.MergedApiName
}
func (self *MergedApi) ApiVersion() string {
return MergedApiVersion
}
func (self *MergedApi) handle(req *shared.Request) (interface{}, error) {
if req.Method == "modules" { // provided API's
return self.apis, nil
}
return nil, nil
}

177
rpc/api/miner.go
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@ -1,177 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
MinerApiVersion = "1.0"
)
var (
// mapping between methods and handlers
MinerMapping = map[string]minerhandler{
"miner_hashrate": (*minerApi).Hashrate,
"miner_makeDAG": (*minerApi).MakeDAG,
"miner_setExtra": (*minerApi).SetExtra,
"miner_setGasPrice": (*minerApi).SetGasPrice,
"miner_setEtherbase": (*minerApi).SetEtherbase,
"miner_startAutoDAG": (*minerApi).StartAutoDAG,
"miner_start": (*minerApi).StartMiner,
"miner_stopAutoDAG": (*minerApi).StopAutoDAG,
"miner_stop": (*minerApi).StopMiner,
}
)
// miner callback handler
type minerhandler func(*minerApi, *shared.Request) (interface{}, error)
// miner api provider
type minerApi struct {
ethereum *eth.Ethereum
methods map[string]minerhandler
codec codec.ApiCoder
}
// create a new miner api instance
func NewMinerApi(ethereum *eth.Ethereum, coder codec.Codec) *minerApi {
return &minerApi{
ethereum: ethereum,
methods: MinerMapping,
codec: coder.New(nil),
}
}
// Execute given request
func (self *minerApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
// collection with supported methods
func (self *minerApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
func (self *minerApi) Name() string {
return shared.MinerApiName
}
func (self *minerApi) ApiVersion() string {
return MinerApiVersion
}
func (self *minerApi) StartMiner(req *shared.Request) (interface{}, error) {
args := new(StartMinerArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
if args.Threads == -1 { // (not specified by user, use default)
args.Threads = self.ethereum.MinerThreads
}
self.ethereum.StartAutoDAG()
err := self.ethereum.StartMining(args.Threads, "")
if err == nil {
return true, nil
}
return false, err
}
func (self *minerApi) StopMiner(req *shared.Request) (interface{}, error) {
self.ethereum.StopMining()
return true, nil
}
func (self *minerApi) Hashrate(req *shared.Request) (interface{}, error) {
return self.ethereum.Miner().HashRate(), nil
}
func (self *minerApi) SetExtra(req *shared.Request) (interface{}, error) {
args := new(SetExtraArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
if err := self.ethereum.Miner().SetExtra([]byte(args.Data)); err != nil {
return false, err
}
return true, nil
}
func (self *minerApi) SetGasPrice(req *shared.Request) (interface{}, error) {
args := new(GasPriceArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return false, err
}
self.ethereum.Miner().SetGasPrice(common.String2Big(args.Price))
return true, nil
}
func (self *minerApi) SetEtherbase(req *shared.Request) (interface{}, error) {
args := new(SetEtherbaseArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return false, err
}
self.ethereum.SetEtherbase(args.Etherbase)
return nil, nil
}
func (self *minerApi) StartAutoDAG(req *shared.Request) (interface{}, error) {
self.ethereum.StartAutoDAG()
return true, nil
}
func (self *minerApi) StopAutoDAG(req *shared.Request) (interface{}, error) {
self.ethereum.StopAutoDAG()
return true, nil
}
func (self *minerApi) MakeDAG(req *shared.Request) (interface{}, error) {
args := new(MakeDAGArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
if args.BlockNumber < 0 {
return false, shared.NewValidationError("BlockNumber", "BlockNumber must be positive")
}
err := ethash.MakeDAG(uint64(args.BlockNumber), "")
if err == nil {
return true, nil
}
return false, err
}

142
rpc/api/miner_args.go
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@ -1,142 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type StartMinerArgs struct {
Threads int
}
func (args *StartMinerArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) == 0 || obj[0] == nil {
args.Threads = -1
return nil
}
var num *big.Int
if num, err = numString(obj[0]); err != nil {
return err
}
args.Threads = int(num.Int64())
return nil
}
type SetExtraArgs struct {
Data string
}
func (args *SetExtraArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
extrastr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("Price", "not a string")
}
args.Data = extrastr
return nil
}
type GasPriceArgs struct {
Price string
}
func (args *GasPriceArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if pricestr, ok := obj[0].(string); ok {
args.Price = pricestr
return nil
}
return shared.NewInvalidTypeError("Price", "not a string")
}
type SetEtherbaseArgs struct {
Etherbase common.Address
}
func (args *SetEtherbaseArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if addr, ok := obj[0].(string); ok {
args.Etherbase = common.HexToAddress(addr)
if (args.Etherbase == common.Address{}) {
return shared.NewInvalidTypeError("Etherbase", "not a valid address")
}
return nil
}
return shared.NewInvalidTypeError("Etherbase", "not a string")
}
type MakeDAGArgs struct {
BlockNumber int64
}
func (args *MakeDAGArgs) UnmarshalJSON(b []byte) (err error) {
args.BlockNumber = -1
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
return err
}
return nil
}

83
rpc/api/miner_js.go
View File

@ -1,83 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Miner_JS = `
web3._extend({
property: 'miner',
methods:
[
new web3._extend.Method({
name: 'start',
call: 'miner_start',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'stop',
call: 'miner_stop',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'setEtherbase',
call: 'miner_setEtherbase',
params: 1,
inputFormatter: [web3._extend.formatters.formatInputInt],
outputFormatter: web3._extend.formatters.formatOutputBool
}),
new web3._extend.Method({
name: 'setExtra',
call: 'miner_setExtra',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'setGasPrice',
call: 'miner_setGasPrice',
params: 1,
inputFormatter: [web3._extend.utils.fromDecial]
}),
new web3._extend.Method({
name: 'startAutoDAG',
call: 'miner_startAutoDAG',
params: 0,
inputFormatter: []
}),
new web3._extend.Method({
name: 'stopAutoDAG',
call: 'miner_stopAutoDAG',
params: 0,
inputFormatter: []
}),
new web3._extend.Method({
name: 'makeDAG',
call: 'miner_makeDAG',
params: 1,
inputFormatter: [web3._extend.formatters.inputDefaultBlockNumberFormatter]
})
],
properties:
[
new web3._extend.Property({
name: 'hashrate',
getter: 'miner_hashrate',
outputFormatter: web3._extend.utils.toDecimal
})
]
});
`

99
rpc/api/net.go
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@ -1,99 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
NetApiVersion = "1.0"
)
var (
// mapping between methods and handlers
netMapping = map[string]nethandler{
"net_peerCount": (*netApi).PeerCount,
"net_listening": (*netApi).IsListening,
"net_version": (*netApi).Version,
}
)
// net callback handler
type nethandler func(*netApi, *shared.Request) (interface{}, error)
// net api provider
type netApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]nethandler
codec codec.ApiCoder
}
// create a new net api instance
func NewNetApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *netApi {
return &netApi{
xeth: xeth,
ethereum: eth,
methods: netMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *netApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *netApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *netApi) Name() string {
return shared.NetApiName
}
func (self *netApi) ApiVersion() string {
return NetApiVersion
}
// Number of connected peers
func (self *netApi) PeerCount(req *shared.Request) (interface{}, error) {
return newHexNum(self.xeth.PeerCount()), nil
}
func (self *netApi) IsListening(req *shared.Request) (interface{}, error) {
return self.xeth.IsListening(), nil
}
func (self *netApi) Version(req *shared.Request) (interface{}, error) {
return self.xeth.NetworkVersion(), nil
}

39
rpc/api/net_js.go
View File

@ -1,39 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Net_JS = `
web3._extend({
property: 'net',
methods:
[
new web3._extend.Method({
name: 'addPeer',
call: 'net_addPeer',
params: 1,
inputFormatter: [null]
})
],
properties:
[
new web3._extend.Property({
name: 'version',
getter: 'net_version'
})
]
});
`

522
rpc/api/parsing.go
View File

@ -1,522 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"bytes"
"encoding/binary"
"encoding/hex"
"encoding/json"
"math/big"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type hexdata struct {
data []byte
isNil bool
}
func (d *hexdata) String() string {
return "0x" + common.Bytes2Hex(d.data)
}
func (d *hexdata) MarshalJSON() ([]byte, error) {
if d.isNil {
return json.Marshal(nil)
}
return json.Marshal(d.String())
}
func newHexData(input interface{}) *hexdata {
d := new(hexdata)
if input == nil {
d.isNil = true
return d
}
switch input := input.(type) {
case []byte:
d.data = input
case common.Hash:
d.data = input.Bytes()
case *common.Hash:
if input == nil {
d.isNil = true
} else {
d.data = input.Bytes()
}
case common.Address:
d.data = input.Bytes()
case *common.Address:
if input == nil {
d.isNil = true
} else {
d.data = input.Bytes()
}
case types.Bloom:
d.data = input.Bytes()
case *types.Bloom:
if input == nil {
d.isNil = true
} else {
d.data = input.Bytes()
}
case *big.Int:
if input == nil {
d.isNil = true
} else {
d.data = input.Bytes()
}
case int64:
d.data = big.NewInt(input).Bytes()
case uint64:
buff := make([]byte, 8)
binary.BigEndian.PutUint64(buff, input)
d.data = buff
case int:
d.data = big.NewInt(int64(input)).Bytes()
case uint:
d.data = big.NewInt(int64(input)).Bytes()
case int8:
d.data = big.NewInt(int64(input)).Bytes()
case uint8:
d.data = big.NewInt(int64(input)).Bytes()
case int16:
d.data = big.NewInt(int64(input)).Bytes()
case uint16:
buff := make([]byte, 2)
binary.BigEndian.PutUint16(buff, input)
d.data = buff
case int32:
d.data = big.NewInt(int64(input)).Bytes()
case uint32:
buff := make([]byte, 4)
binary.BigEndian.PutUint32(buff, input)
d.data = buff
case string: // hexstring
// aaargh ffs TODO: avoid back-and-forth hex encodings where unneeded
bytes, err := hex.DecodeString(strings.TrimPrefix(input, "0x"))
if err != nil {
d.isNil = true
} else {
d.data = bytes
}
default:
d.isNil = true
}
return d
}
type hexnum struct {
data []byte
isNil bool
}
func (d *hexnum) String() string {
// Get hex string from bytes
out := common.Bytes2Hex(d.data)
// Trim leading 0s
out = strings.TrimLeft(out, "0")
// Output "0x0" when value is 0
if len(out) == 0 {
out = "0"
}
return "0x" + out
}
func (d *hexnum) MarshalJSON() ([]byte, error) {
if d.isNil {
return json.Marshal(nil)
}
return json.Marshal(d.String())
}
func newHexNum(input interface{}) *hexnum {
d := new(hexnum)
d.data = newHexData(input).data
return d
}
type BlockRes struct {
fullTx bool
BlockNumber *hexnum `json:"number"`
BlockHash *hexdata `json:"hash"`
ParentHash *hexdata `json:"parentHash"`
Nonce *hexdata `json:"nonce"`
Sha3Uncles *hexdata `json:"sha3Uncles"`
LogsBloom *hexdata `json:"logsBloom"`
TransactionRoot *hexdata `json:"transactionsRoot"`
StateRoot *hexdata `json:"stateRoot"`
ReceiptRoot *hexdata `json:"receiptRoot"`
Miner *hexdata `json:"miner"`
Difficulty *hexnum `json:"difficulty"`
TotalDifficulty *hexnum `json:"totalDifficulty"`
Size *hexnum `json:"size"`
ExtraData *hexdata `json:"extraData"`
GasLimit *hexnum `json:"gasLimit"`
GasUsed *hexnum `json:"gasUsed"`
UnixTimestamp *hexnum `json:"timestamp"`
Transactions []*TransactionRes `json:"transactions"`
Uncles []*UncleRes `json:"uncles"`
}
func (b *BlockRes) MarshalJSON() ([]byte, error) {
if b.fullTx {
var ext struct {
BlockNumber *hexnum `json:"number"`
BlockHash *hexdata `json:"hash"`
ParentHash *hexdata `json:"parentHash"`
Nonce *hexdata `json:"nonce"`
Sha3Uncles *hexdata `json:"sha3Uncles"`
LogsBloom *hexdata `json:"logsBloom"`
TransactionRoot *hexdata `json:"transactionsRoot"`
StateRoot *hexdata `json:"stateRoot"`
ReceiptRoot *hexdata `json:"receiptRoot"`
Miner *hexdata `json:"miner"`
Difficulty *hexnum `json:"difficulty"`
TotalDifficulty *hexnum `json:"totalDifficulty"`
Size *hexnum `json:"size"`
ExtraData *hexdata `json:"extraData"`
GasLimit *hexnum `json:"gasLimit"`
GasUsed *hexnum `json:"gasUsed"`
UnixTimestamp *hexnum `json:"timestamp"`
Transactions []*TransactionRes `json:"transactions"`
Uncles []*hexdata `json:"uncles"`
}
ext.BlockNumber = b.BlockNumber
ext.BlockHash = b.BlockHash
ext.ParentHash = b.ParentHash
ext.Nonce = b.Nonce
ext.Sha3Uncles = b.Sha3Uncles
ext.LogsBloom = b.LogsBloom
ext.TransactionRoot = b.TransactionRoot
ext.StateRoot = b.StateRoot
ext.ReceiptRoot = b.ReceiptRoot
ext.Miner = b.Miner
ext.Difficulty = b.Difficulty
ext.TotalDifficulty = b.TotalDifficulty
ext.Size = b.Size
ext.ExtraData = b.ExtraData
ext.GasLimit = b.GasLimit
ext.GasUsed = b.GasUsed
ext.UnixTimestamp = b.UnixTimestamp
ext.Transactions = b.Transactions
ext.Uncles = make([]*hexdata, len(b.Uncles))
for i, u := range b.Uncles {
ext.Uncles[i] = u.BlockHash
}
return json.Marshal(ext)
} else {
var ext struct {
BlockNumber *hexnum `json:"number"`
BlockHash *hexdata `json:"hash"`
ParentHash *hexdata `json:"parentHash"`
Nonce *hexdata `json:"nonce"`
Sha3Uncles *hexdata `json:"sha3Uncles"`
LogsBloom *hexdata `json:"logsBloom"`
TransactionRoot *hexdata `json:"transactionsRoot"`
StateRoot *hexdata `json:"stateRoot"`
ReceiptRoot *hexdata `json:"receiptRoot"`
Miner *hexdata `json:"miner"`
Difficulty *hexnum `json:"difficulty"`
TotalDifficulty *hexnum `json:"totalDifficulty"`
Size *hexnum `json:"size"`
ExtraData *hexdata `json:"extraData"`
GasLimit *hexnum `json:"gasLimit"`
GasUsed *hexnum `json:"gasUsed"`
UnixTimestamp *hexnum `json:"timestamp"`
Transactions []*hexdata `json:"transactions"`
Uncles []*hexdata `json:"uncles"`
}
ext.BlockNumber = b.BlockNumber
ext.BlockHash = b.BlockHash
ext.ParentHash = b.ParentHash
ext.Nonce = b.Nonce
ext.Sha3Uncles = b.Sha3Uncles
ext.LogsBloom = b.LogsBloom
ext.TransactionRoot = b.TransactionRoot
ext.StateRoot = b.StateRoot
ext.ReceiptRoot = b.ReceiptRoot
ext.Miner = b.Miner
ext.Difficulty = b.Difficulty
ext.TotalDifficulty = b.TotalDifficulty
ext.Size = b.Size
ext.ExtraData = b.ExtraData
ext.GasLimit = b.GasLimit
ext.GasUsed = b.GasUsed
ext.UnixTimestamp = b.UnixTimestamp
ext.Transactions = make([]*hexdata, len(b.Transactions))
for i, tx := range b.Transactions {
ext.Transactions[i] = tx.Hash
}
ext.Uncles = make([]*hexdata, len(b.Uncles))
for i, u := range b.Uncles {
ext.Uncles[i] = u.BlockHash
}
return json.Marshal(ext)
}
}
func NewBlockRes(block *types.Block, td *big.Int, fullTx bool) *BlockRes {
if block == nil {
return nil
}
res := new(BlockRes)
res.fullTx = fullTx
res.BlockNumber = newHexNum(block.Number())
res.BlockHash = newHexData(block.Hash())
res.ParentHash = newHexData(block.ParentHash())
res.Nonce = newHexData(block.Nonce())
res.Sha3Uncles = newHexData(block.UncleHash())
res.LogsBloom = newHexData(block.Bloom())
res.TransactionRoot = newHexData(block.TxHash())
res.StateRoot = newHexData(block.Root())
res.ReceiptRoot = newHexData(block.ReceiptHash())
res.Miner = newHexData(block.Coinbase())
res.Difficulty = newHexNum(block.Difficulty())
res.TotalDifficulty = newHexNum(td)
res.Size = newHexNum(block.Size().Int64())
res.ExtraData = newHexData(block.Extra())
res.GasLimit = newHexNum(block.GasLimit())
res.GasUsed = newHexNum(block.GasUsed())
res.UnixTimestamp = newHexNum(block.Time())
txs := block.Transactions()
res.Transactions = make([]*TransactionRes, len(txs))
for i, tx := range txs {
res.Transactions[i] = NewTransactionRes(tx)
res.Transactions[i].BlockHash = res.BlockHash
res.Transactions[i].BlockNumber = res.BlockNumber
res.Transactions[i].TxIndex = newHexNum(i)
}
uncles := block.Uncles()
res.Uncles = make([]*UncleRes, len(uncles))
for i, uncle := range uncles {
res.Uncles[i] = NewUncleRes(uncle)
}
return res
}
type TransactionRes struct {
Hash *hexdata `json:"hash"`
Nonce *hexnum `json:"nonce"`
BlockHash *hexdata `json:"blockHash"`
BlockNumber *hexnum `json:"blockNumber"`
TxIndex *hexnum `json:"transactionIndex"`
From *hexdata `json:"from"`
To *hexdata `json:"to"`
Value *hexnum `json:"value"`
Gas *hexnum `json:"gas"`
GasPrice *hexnum `json:"gasPrice"`
Input *hexdata `json:"input"`
}
func NewTransactionRes(tx *types.Transaction) *TransactionRes {
if tx == nil {
return nil
}
var v = new(TransactionRes)
v.Hash = newHexData(tx.Hash())
v.Nonce = newHexNum(tx.Nonce())
// v.BlockHash =
// v.BlockNumber =
// v.TxIndex =
from, _ := tx.From()
v.From = newHexData(from)
v.To = newHexData(tx.To())
v.Value = newHexNum(tx.Value())
v.Gas = newHexNum(tx.Gas())
v.GasPrice = newHexNum(tx.GasPrice())
v.Input = newHexData(tx.Data())
return v
}
type UncleRes struct {
BlockNumber *hexnum `json:"number"`
BlockHash *hexdata `json:"hash"`
ParentHash *hexdata `json:"parentHash"`
Nonce *hexdata `json:"nonce"`
Sha3Uncles *hexdata `json:"sha3Uncles"`
ReceiptHash *hexdata `json:"receiptHash"`
LogsBloom *hexdata `json:"logsBloom"`
TransactionRoot *hexdata `json:"transactionsRoot"`
StateRoot *hexdata `json:"stateRoot"`
Miner *hexdata `json:"miner"`
Difficulty *hexnum `json:"difficulty"`
ExtraData *hexdata `json:"extraData"`
GasLimit *hexnum `json:"gasLimit"`
GasUsed *hexnum `json:"gasUsed"`
UnixTimestamp *hexnum `json:"timestamp"`
}
func NewUncleRes(h *types.Header) *UncleRes {
if h == nil {
return nil
}
var v = new(UncleRes)
v.BlockNumber = newHexNum(h.Number)
v.BlockHash = newHexData(h.Hash())
v.ParentHash = newHexData(h.ParentHash)
v.Sha3Uncles = newHexData(h.UncleHash)
v.Nonce = newHexData(h.Nonce[:])
v.LogsBloom = newHexData(h.Bloom)
v.TransactionRoot = newHexData(h.TxHash)
v.StateRoot = newHexData(h.Root)
v.Miner = newHexData(h.Coinbase)
v.Difficulty = newHexNum(h.Difficulty)
v.ExtraData = newHexData(h.Extra)
v.GasLimit = newHexNum(h.GasLimit)
v.GasUsed = newHexNum(h.GasUsed)
v.UnixTimestamp = newHexNum(h.Time)
v.ReceiptHash = newHexData(h.ReceiptHash)
return v
}
// type FilterLogRes struct {
// Hash string `json:"hash"`
// Address string `json:"address"`
// Data string `json:"data"`
// BlockNumber string `json:"blockNumber"`
// TransactionHash string `json:"transactionHash"`
// BlockHash string `json:"blockHash"`
// TransactionIndex string `json:"transactionIndex"`
// LogIndex string `json:"logIndex"`
// }
// type FilterWhisperRes struct {
// Hash string `json:"hash"`
// From string `json:"from"`
// To string `json:"to"`
// Expiry string `json:"expiry"`
// Sent string `json:"sent"`
// Ttl string `json:"ttl"`
// Topics string `json:"topics"`
// Payload string `json:"payload"`
// WorkProved string `json:"workProved"`
// }
type ReceiptRes struct {
TransactionHash *hexdata `json:"transactionHash"`
TransactionIndex *hexnum `json:"transactionIndex"`
BlockNumber *hexnum `json:"blockNumber"`
BlockHash *hexdata `json:"blockHash"`
CumulativeGasUsed *hexnum `json:"cumulativeGasUsed"`
GasUsed *hexnum `json:"gasUsed"`
ContractAddress *hexdata `json:"contractAddress"`
Logs *[]interface{} `json:"logs"`
}
func NewReceiptRes(rec *types.Receipt) *ReceiptRes {
if rec == nil {
return nil
}
var v = new(ReceiptRes)
v.TransactionHash = newHexData(rec.TxHash)
if rec.GasUsed != nil {
v.GasUsed = newHexNum(rec.GasUsed.Bytes())
}
v.CumulativeGasUsed = newHexNum(rec.CumulativeGasUsed)
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
if bytes.Compare(rec.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
v.ContractAddress = newHexData(rec.ContractAddress)
}
logs := make([]interface{}, len(rec.Logs))
for i, log := range rec.Logs {
logs[i] = NewLogRes(log)
}
v.Logs = &logs
return v
}
func numString(raw interface{}) (*big.Int, error) {
var number *big.Int
// Parse as integer
num, ok := raw.(float64)
if ok {
number = big.NewInt(int64(num))
return number, nil
}
// Parse as string/hexstring
str, ok := raw.(string)
if ok {
number = common.String2Big(str)
return number, nil
}
return nil, shared.NewInvalidTypeError("", "not a number or string")
}
func blockHeight(raw interface{}, number *int64) error {
// Parse as integer
num, ok := raw.(float64)
if ok {
*number = int64(num)
return nil
}
// Parse as string/hexstring
str, ok := raw.(string)
if !ok {
return shared.NewInvalidTypeError("", "not a number or string")
}
switch str {
case "earliest":
*number = 0
case "latest":
*number = -1
case "pending":
*number = -2
default:
if common.HasHexPrefix(str) {
*number = common.String2Big(str).Int64()
} else {
return shared.NewInvalidTypeError("blockNumber", "is not a valid string")
}
}
return nil
}
func blockHeightFromJson(msg json.RawMessage, number *int64) error {
var raw interface{}
if err := json.Unmarshal(msg, &raw); err != nil {
return shared.NewDecodeParamError(err.Error())
}
return blockHeight(raw, number)
}

139
rpc/api/personal.go
View File

@ -1,139 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"fmt"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
PersonalApiVersion = "1.0"
)
var (
// mapping between methods and handlers
personalMapping = map[string]personalhandler{
"personal_listAccounts": (*personalApi).ListAccounts,
"personal_newAccount": (*personalApi).NewAccount,
"personal_unlockAccount": (*personalApi).UnlockAccount,
}
)
// net callback handler
type personalhandler func(*personalApi, *shared.Request) (interface{}, error)
// net api provider
type personalApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]personalhandler
codec codec.ApiCoder
}
// create a new net api instance
func NewPersonalApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *personalApi {
return &personalApi{
xeth: xeth,
ethereum: eth,
methods: personalMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *personalApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *personalApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *personalApi) Name() string {
return shared.PersonalApiName
}
func (self *personalApi) ApiVersion() string {
return PersonalApiVersion
}
func (self *personalApi) ListAccounts(req *shared.Request) (interface{}, error) {
return self.xeth.Accounts(), nil
}
func (self *personalApi) NewAccount(req *shared.Request) (interface{}, error) {
args := new(NewAccountArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
var passwd string
if args.Passphrase == nil {
fe := self.xeth.Frontend()
if fe == nil {
return false, fmt.Errorf("unable to create account: unable to interact with user")
}
var ok bool
passwd, ok = fe.AskPassword()
if !ok {
return false, fmt.Errorf("unable to create account: no password given")
}
} else {
passwd = *args.Passphrase
}
am := self.ethereum.AccountManager()
acc, err := am.NewAccount(passwd)
return acc.Address.Hex(), err
}
func (self *personalApi) UnlockAccount(req *shared.Request) (interface{}, error) {
args := new(UnlockAccountArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
if args.Passphrase == nil {
fe := self.xeth.Frontend()
if fe == nil {
return false, fmt.Errorf("No password provided")
}
return fe.UnlockAccount(common.HexToAddress(args.Address).Bytes()), nil
}
am := self.ethereum.AccountManager()
addr := common.HexToAddress(args.Address)
err := am.TimedUnlock(addr, *args.Passphrase, time.Duration(args.Duration)*time.Second)
return err == nil, err
}

85
rpc/api/personal_args.go
View File

@ -1,85 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type NewAccountArgs struct {
Passphrase *string
}
func (args *NewAccountArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) >= 1 && obj[0] != nil {
if passphrasestr, ok := obj[0].(string); ok {
args.Passphrase = &passphrasestr
} else {
return shared.NewInvalidTypeError("passphrase", "not a string")
}
}
return nil
}
type UnlockAccountArgs struct {
Address string
Passphrase *string
Duration int
}
func (args *UnlockAccountArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
args.Duration = 0
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
if addrstr, ok := obj[0].(string); ok {
args.Address = addrstr
} else {
return shared.NewInvalidTypeError("address", "not a string")
}
if len(obj) >= 2 && obj[1] != nil {
if passphrasestr, ok := obj[1].(string); ok {
args.Passphrase = &passphrasestr
} else {
return shared.NewInvalidTypeError("passphrase", "not a string")
}
}
if len(obj) >= 3 && obj[2] != nil {
if duration, ok := obj[2].(float64); ok {
args.Duration = int(duration)
}
}
return nil
}

51
rpc/api/personal_js.go
View File

@ -1,51 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Personal_JS = `
web3._extend({
property: 'personal',
methods:
[
new web3._extend.Method({
name: 'newAccount',
call: 'personal_newAccount',
params: 1,
inputFormatter: [null],
outputFormatter: web3._extend.utils.toAddress
}),
new web3._extend.Method({
name: 'unlockAccount',
call: 'personal_unlockAccount',
params: 3,
inputFormatter: [null, null, null]
}),
new web3._extend.Method({
name: 'lockAccount',
call: 'personal_lockAccount',
params: 1
})
],
properties:
[
new web3._extend.Property({
name: 'listAccounts',
getter: 'personal_listAccounts'
})
]
});
`

196
rpc/api/shh.go
View File

@ -1,196 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"math/big"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
ShhApiVersion = "1.0"
)
var (
// mapping between methods and handlers
shhMapping = map[string]shhhandler{
"shh_version": (*shhApi).Version,
"shh_post": (*shhApi).Post,
"shh_hasIdentity": (*shhApi).HasIdentity,
"shh_newIdentity": (*shhApi).NewIdentity,
"shh_newFilter": (*shhApi).NewFilter,
"shh_uninstallFilter": (*shhApi).UninstallFilter,
"shh_getMessages": (*shhApi).GetMessages,
"shh_getFilterChanges": (*shhApi).GetFilterChanges,
}
)
func newWhisperOfflineError(method string) error {
return shared.NewNotAvailableError(method, "whisper offline")
}
// net callback handler
type shhhandler func(*shhApi, *shared.Request) (interface{}, error)
// shh api provider
type shhApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]shhhandler
codec codec.ApiCoder
}
// create a new whisper api instance
func NewShhApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *shhApi {
return &shhApi{
xeth: xeth,
ethereum: eth,
methods: shhMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *shhApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *shhApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *shhApi) Name() string {
return shared.ShhApiName
}
func (self *shhApi) ApiVersion() string {
return ShhApiVersion
}
func (self *shhApi) Version(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
return w.Version(), nil
}
func (self *shhApi) Post(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
args := new(WhisperMessageArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
err := w.Post(args.Payload, args.To, args.From, args.Topics, args.Priority, args.Ttl)
if err != nil {
return false, err
}
return true, nil
}
func (self *shhApi) HasIdentity(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
args := new(WhisperIdentityArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
return w.HasIdentity(args.Identity), nil
}
func (self *shhApi) NewIdentity(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
return w.NewIdentity(), nil
}
func (self *shhApi) NewFilter(req *shared.Request) (interface{}, error) {
args := new(WhisperFilterArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
id := self.xeth.NewWhisperFilter(args.To, args.From, args.Topics)
return newHexNum(big.NewInt(int64(id)).Bytes()), nil
}
func (self *shhApi) UninstallFilter(req *shared.Request) (interface{}, error) {
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
return self.xeth.UninstallWhisperFilter(args.Id), nil
}
func (self *shhApi) GetFilterChanges(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
// Retrieve all the new messages arrived since the last request
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
return self.xeth.WhisperMessagesChanged(args.Id), nil
}
func (self *shhApi) GetMessages(req *shared.Request) (interface{}, error) {
w := self.xeth.Whisper()
if w == nil {
return nil, newWhisperOfflineError(req.Method)
}
// Retrieve all the cached messages matching a specific, existing filter
args := new(FilterIdArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
return self.xeth.WhisperMessages(args.Id), nil
}

174
rpc/api/shh_args.go
View File

@ -1,174 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"encoding/json"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type WhisperMessageArgs struct {
Payload string
To string
From string
Topics []string
Priority uint32
Ttl uint32
}
func (args *WhisperMessageArgs) UnmarshalJSON(b []byte) (err error) {
var obj []struct {
Payload string
To string
From string
Topics []string
Priority interface{}
Ttl interface{}
}
if err = json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
args.Payload = obj[0].Payload
args.To = obj[0].To
args.From = obj[0].From
args.Topics = obj[0].Topics
var num *big.Int
if num, err = numString(obj[0].Priority); err != nil {
return err
}
args.Priority = uint32(num.Int64())
if num, err = numString(obj[0].Ttl); err != nil {
return err
}
args.Ttl = uint32(num.Int64())
return nil
}
type WhisperIdentityArgs struct {
Identity string
}
func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
argstr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("arg0", "not a string")
}
args.Identity = argstr
return nil
}
type WhisperFilterArgs struct {
To string
From string
Topics [][]string
}
// UnmarshalJSON implements the json.Unmarshaler interface, invoked to convert a
// JSON message blob into a WhisperFilterArgs structure.
func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
// Unmarshal the JSON message and sanity check
var obj []struct {
To interface{} `json:"to"`
From interface{} `json:"from"`
Topics interface{} `json:"topics"`
}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
// Retrieve the simple data contents of the filter arguments
if obj[0].To == nil {
args.To = ""
} else {
argstr, ok := obj[0].To.(string)
if !ok {
return shared.NewInvalidTypeError("to", "is not a string")
}
args.To = argstr
}
if obj[0].From == nil {
args.From = ""
} else {
argstr, ok := obj[0].From.(string)
if !ok {
return shared.NewInvalidTypeError("from", "is not a string")
}
args.From = argstr
}
// Construct the nested topic array
if obj[0].Topics != nil {
// Make sure we have an actual topic array
list, ok := obj[0].Topics.([]interface{})
if !ok {
return shared.NewInvalidTypeError("topics", "is not an array")
}
// Iterate over each topic and handle nil, string or array
topics := make([][]string, len(list))
for idx, field := range list {
switch value := field.(type) {
case nil:
topics[idx] = []string{}
case string:
topics[idx] = []string{value}
case []interface{}:
topics[idx] = make([]string, len(value))
for i, nested := range value {
switch value := nested.(type) {
case nil:
topics[idx][i] = ""
case string:
topics[idx][i] = value
default:
return shared.NewInvalidTypeError(fmt.Sprintf("topic[%d][%d]", idx, i), "is not a string")
}
}
default:
return shared.NewInvalidTypeError(fmt.Sprintf("topic[%d]", idx), "not a string or array")
}
}
args.Topics = topics
}
return nil
}

34
rpc/api/shh_js.go
View File

@ -1,34 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const Shh_JS = `
web3._extend({
property: 'shh',
methods:
[
],
properties:
[
new web3._extend.Property({
name: 'version',
getter: 'shh_version'
})
]
});
`

92
rpc/api/txpool.go
View File

@ -1,92 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
TxPoolApiVersion = "1.0"
)
var (
// mapping between methods and handlers
txpoolMapping = map[string]txpoolhandler{
"txpool_status": (*txPoolApi).Status,
}
)
// net callback handler
type txpoolhandler func(*txPoolApi, *shared.Request) (interface{}, error)
// txpool api provider
type txPoolApi struct {
xeth *xeth.XEth
ethereum *eth.Ethereum
methods map[string]txpoolhandler
codec codec.ApiCoder
}
// create a new txpool api instance
func NewTxPoolApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *txPoolApi {
return &txPoolApi{
xeth: xeth,
ethereum: eth,
methods: txpoolMapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *txPoolApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *txPoolApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, shared.NewNotImplementedError(req.Method)
}
func (self *txPoolApi) Name() string {
return shared.TxPoolApiName
}
func (self *txPoolApi) ApiVersion() string {
return TxPoolApiVersion
}
func (self *txPoolApi) Status(req *shared.Request) (interface{}, error) {
pending, queue := self.ethereum.TxPool().Stats()
return map[string]int{
"pending": pending,
"queued": queue,
}, nil
}

33
rpc/api/txpool_js.go
View File

@ -1,33 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
const TxPool_JS = `
web3._extend({
property: 'txpool',
methods:
[
],
properties:
[
new web3._extend.Property({
name: 'status',
getter: 'txpool_status'
})
]
});
`

226
rpc/api/utils.go
View File

@ -1,226 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"strings"
"fmt"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
var (
// Mapping between the different methods each api supports
AutoCompletion = map[string][]string{
"admin": []string{
"addPeer",
"datadir",
"enableUserAgent",
"exportChain",
"getContractInfo",
"httpGet",
"importChain",
"nodeInfo",
"peers",
"register",
"registerUrl",
"saveInfo",
"setGlobalRegistrar",
"setHashReg",
"setUrlHint",
"setSolc",
"sleep",
"sleepBlocks",
"startNatSpec",
"startRPC",
"stopNatSpec",
"stopRPC",
"verbosity",
},
"db": []string{
"getString",
"putString",
"getHex",
"putHex",
},
"debug": []string{
"dumpBlock",
"getBlockRlp",
"metrics",
"printBlock",
"processBlock",
"seedHash",
"setHead",
},
"eth": []string{
"accounts",
"blockNumber",
"call",
"contract",
"coinbase",
"compile.lll",
"compile.serpent",
"compile.solidity",
"contract",
"defaultAccount",
"defaultBlock",
"estimateGas",
"filter",
"getBalance",
"getBlock",
"getBlockTransactionCount",
"getBlockUncleCount",
"getCode",
"getNatSpec",
"getCompilers",
"gasPrice",
"getStorageAt",
"getTransaction",
"getTransactionCount",
"getTransactionFromBlock",
"getTransactionReceipt",
"getUncle",
"hashrate",
"mining",
"namereg",
"pendingTransactions",
"resend",
"sendRawTransaction",
"sendTransaction",
"sign",
"syncing",
},
"miner": []string{
"hashrate",
"makeDAG",
"setEtherbase",
"setExtra",
"setGasPrice",
"startAutoDAG",
"start",
"stopAutoDAG",
"stop",
},
"net": []string{
"peerCount",
"listening",
},
"personal": []string{
"listAccounts",
"newAccount",
"unlockAccount",
},
"shh": []string{
"post",
"newIdentity",
"hasIdentity",
"newGroup",
"addToGroup",
"filter",
},
"txpool": []string{
"status",
},
"web3": []string{
"sha3",
"version",
"fromWei",
"toWei",
"toHex",
"toAscii",
"fromAscii",
"toBigNumber",
"isAddress",
},
}
)
// Parse a comma separated API string to individual api's
func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, stack *node.Node) ([]shared.EthereumApi, error) {
if len(strings.TrimSpace(apistr)) == 0 {
return nil, fmt.Errorf("Empty apistr provided")
}
names := strings.Split(apistr, ",")
apis := make([]shared.EthereumApi, len(names))
var eth *eth.Ethereum
if stack != nil {
if err := stack.Service(&eth); err != nil {
return nil, err
}
}
for i, name := range names {
switch strings.ToLower(strings.TrimSpace(name)) {
case shared.AdminApiName:
apis[i] = NewAdminApi(xeth, stack, codec)
case shared.DebugApiName:
apis[i] = NewDebugApi(xeth, eth, codec)
case shared.DbApiName:
apis[i] = NewDbApi(xeth, eth, codec)
case shared.EthApiName:
apis[i] = NewEthApi(xeth, eth, codec)
case shared.MinerApiName:
apis[i] = NewMinerApi(eth, codec)
case shared.NetApiName:
apis[i] = NewNetApi(xeth, eth, codec)
case shared.ShhApiName:
apis[i] = NewShhApi(xeth, eth, codec)
case shared.TxPoolApiName:
apis[i] = NewTxPoolApi(xeth, eth, codec)
case shared.PersonalApiName:
apis[i] = NewPersonalApi(xeth, eth, codec)
case shared.Web3ApiName:
apis[i] = NewWeb3Api(xeth, codec)
case "rpc": // gives information about the RPC interface
continue
default:
return nil, fmt.Errorf("Unknown API '%s'", name)
}
}
return apis, nil
}
func Javascript(name string) string {
switch strings.ToLower(strings.TrimSpace(name)) {
case shared.AdminApiName:
return Admin_JS
case shared.DebugApiName:
return Debug_JS
case shared.DbApiName:
return Db_JS
case shared.EthApiName:
return Eth_JS
case shared.MinerApiName:
return Miner_JS
case shared.NetApiName:
return Net_JS
case shared.ShhApiName:
return Shh_JS
case shared.TxPoolApiName:
return TxPool_JS
case shared.PersonalApiName:
return Personal_JS
}
return ""
}

99
rpc/api/web3.go
View File

@ -1,99 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
)
const (
Web3ApiVersion = "1.0"
)
var (
// mapping between methods and handlers
Web3Mapping = map[string]web3handler{
"web3_sha3": (*web3Api).Sha3,
"web3_clientVersion": (*web3Api).ClientVersion,
}
)
// web3 callback handler
type web3handler func(*web3Api, *shared.Request) (interface{}, error)
// web3 api provider
type web3Api struct {
xeth *xeth.XEth
methods map[string]web3handler
codec codec.ApiCoder
}
// create a new web3 api instance
func NewWeb3Api(xeth *xeth.XEth, coder codec.Codec) *web3Api {
return &web3Api{
xeth: xeth,
methods: Web3Mapping,
codec: coder.New(nil),
}
}
// collection with supported methods
func (self *web3Api) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
// Execute given request
func (self *web3Api) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
func (self *web3Api) Name() string {
return shared.Web3ApiName
}
func (self *web3Api) ApiVersion() string {
return Web3ApiVersion
}
// Calculates the sha3 over req.Params.Data
func (self *web3Api) Sha3(req *shared.Request) (interface{}, error) {
args := new(Sha3Args)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
return common.ToHex(crypto.Sha3(common.FromHex(args.Data))), nil
}
// returns the xeth client vrsion
func (self *web3Api) ClientVersion(req *shared.Request) (interface{}, error) {
return self.xeth.ClientVersion(), nil
}

65
rpc/codec/codec.go
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@ -1,65 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package codec
import (
"net"
"strconv"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type Codec int
// (de)serialization support for rpc interface
type ApiCoder interface {
// Parse message to request from underlying stream
ReadRequest() ([]*shared.Request, bool, error)
// Parse response message from underlying stream
ReadResponse() (interface{}, error)
// Read raw message from underlying stream
Recv() (interface{}, error)
// Encode response to encoded form in underlying stream
WriteResponse(interface{}) error
// Decode single message from data
Decode([]byte, interface{}) error
// Encode msg to encoded form
Encode(msg interface{}) ([]byte, error)
// close the underlying stream
Close()
}
// supported codecs
const (
JSON Codec = iota
nCodecs
)
var (
// collection with supported coders
coders = make([]func(net.Conn) ApiCoder, nCodecs)
)
// create a new coder instance
func (c Codec) New(conn net.Conn) ApiCoder {
switch c {
case JSON:
return NewJsonCoder(conn)
}
panic("codec: request for codec #" + strconv.Itoa(int(c)) + " is unavailable")
}

149
rpc/codec/json.go
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@ -1,149 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package codec
import (
"encoding/json"
"fmt"
"net"
"time"
"strings"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
READ_TIMEOUT = 60 // in seconds
MAX_REQUEST_SIZE = 1024 * 1024
MAX_RESPONSE_SIZE = 1024 * 1024
)
// Json serialization support
type JsonCodec struct {
c net.Conn
d *json.Decoder
}
// Create new JSON coder instance
func NewJsonCoder(conn net.Conn) ApiCoder {
return &JsonCodec{
c: conn,
d: json.NewDecoder(conn),
}
}
// Read incoming request and parse it to RPC request
func (self *JsonCodec) ReadRequest() (requests []*shared.Request, isBatch bool, err error) {
deadline := time.Now().Add(READ_TIMEOUT * time.Second)
if err := self.c.SetDeadline(deadline); err != nil {
return nil, false, err
}
var incoming json.RawMessage
err = self.d.Decode(&incoming)
if err == nil {
isBatch = incoming[0] == '['
if isBatch {
requests = make([]*shared.Request, 0)
err = json.Unmarshal(incoming, &requests)
} else {
requests = make([]*shared.Request, 1)
var singleRequest shared.Request
if err = json.Unmarshal(incoming, &singleRequest); err == nil {
requests[0] = &singleRequest
}
}
return
}
self.c.Close()
return nil, false, err
}
func (self *JsonCodec) Recv() (interface{}, error) {
var msg json.RawMessage
err := self.d.Decode(&msg)
if err != nil {
self.c.Close()
return nil, err
}
return msg, err
}
func (self *JsonCodec) ReadResponse() (interface{}, error) {
in, err := self.Recv()
if err != nil {
return nil, err
}
if msg, ok := in.(json.RawMessage); ok {
var req *shared.Request
if err = json.Unmarshal(msg, &req); err == nil && strings.HasPrefix(req.Method, "agent_") {
return req, nil
}
var failure *shared.ErrorResponse
if err = json.Unmarshal(msg, &failure); err == nil && failure.Error != nil {
return failure, fmt.Errorf(failure.Error.Message)
}
var success *shared.SuccessResponse
if err = json.Unmarshal(msg, &success); err == nil {
return success, nil
}
}
return in, err
}
// Decode data
func (self *JsonCodec) Decode(data []byte, msg interface{}) error {
return json.Unmarshal(data, msg)
}
// Encode message
func (self *JsonCodec) Encode(msg interface{}) ([]byte, error) {
return json.Marshal(msg)
}
// Parse JSON data from conn to obj
func (self *JsonCodec) WriteResponse(res interface{}) error {
data, err := json.Marshal(res)
if err != nil {
self.c.Close()
return err
}
bytesWritten := 0
for bytesWritten < len(data) {
n, err := self.c.Write(data[bytesWritten:])
if err != nil {
self.c.Close()
return err
}
bytesWritten += n
}
return nil
}
// Close decoder and encoder
func (self *JsonCodec) Close() {
self.c.Close()
}

157
rpc/codec/json_test.go
View File

@ -1,157 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package codec
import (
"bytes"
"io"
"net"
"testing"
"time"
)
type jsonTestConn struct {
buffer *bytes.Buffer
}
func newJsonTestConn(data []byte) *jsonTestConn {
return &jsonTestConn{
buffer: bytes.NewBuffer(data),
}
}
func (self *jsonTestConn) Read(p []byte) (n int, err error) {
return self.buffer.Read(p)
}
func (self *jsonTestConn) Write(p []byte) (n int, err error) {
return self.buffer.Write(p)
}
func (self *jsonTestConn) Close() error {
// not implemented
return nil
}
func (self *jsonTestConn) LocalAddr() net.Addr {
// not implemented
return nil
}
func (self *jsonTestConn) RemoteAddr() net.Addr {
// not implemented
return nil
}
func (self *jsonTestConn) SetDeadline(t time.Time) error {
return nil
}
func (self *jsonTestConn) SetReadDeadline(t time.Time) error {
return nil
}
func (self *jsonTestConn) SetWriteDeadline(t time.Time) error {
return nil
}
func TestJsonDecoderWithValidRequest(t *testing.T) {
reqdata := []byte(`{"jsonrpc":"2.0","method":"modules","params":[],"id":64}`)
decoder := newJsonTestConn(reqdata)
jsonDecoder := NewJsonCoder(decoder)
requests, batch, err := jsonDecoder.ReadRequest()
if err != nil {
t.Errorf("Read valid request failed - %v", err)
}
if len(requests) != 1 {
t.Errorf("Expected to get a single request but got %d", len(requests))
}
if batch {
t.Errorf("Got batch indication while expecting single request")
}
if requests[0].Id != float64(64) {
t.Errorf("Expected req.Id == 64 but got %v", requests[0].Id)
}
if requests[0].Method != "modules" {
t.Errorf("Expected req.Method == 'modules' got '%s'", requests[0].Method)
}
}
func TestJsonDecoderWithValidBatchRequest(t *testing.T) {
reqdata := []byte(`[{"jsonrpc":"2.0","method":"modules","params":[],"id":64},
{"jsonrpc":"2.0","method":"modules","params":[],"id":64}]`)
decoder := newJsonTestConn(reqdata)
jsonDecoder := NewJsonCoder(decoder)
requests, batch, err := jsonDecoder.ReadRequest()
if err != nil {
t.Errorf("Read valid batch request failed - %v", err)
}
if len(requests) != 2 {
t.Errorf("Expected to get two requests but got %d", len(requests))
}
if !batch {
t.Errorf("Got no batch indication while expecting batch request")
}
for i := 0; i < len(requests); i++ {
if requests[i].Id != float64(64) {
t.Errorf("Expected req.Id == 64 but got %v", requests[i].Id)
}
if requests[i].Method != "modules" {
t.Errorf("Expected req.Method == 'modules' got '%s'", requests[i].Method)
}
}
}
func TestJsonDecoderWithInvalidIncompleteMessage(t *testing.T) {
reqdata := []byte(`{"jsonrpc":"2.0","method":"modules","pa`)
decoder := newJsonTestConn(reqdata)
jsonDecoder := NewJsonCoder(decoder)
requests, batch, err := jsonDecoder.ReadRequest()
if err != io.ErrUnexpectedEOF {
t.Errorf("Expected to read an incomplete request err but got %v", err)
}
// remaining message
decoder.Write([]byte(`rams":[],"id:64"}`))
requests, batch, err = jsonDecoder.ReadRequest()
if err == nil {
t.Errorf("Expected an error but got nil")
}
if len(requests) != 0 {
t.Errorf("Expected to get no requests but got %d", len(requests))
}
if batch {
t.Errorf("Got batch indication while expecting non batch")
}
}

150
rpc/comms/comms.go
View File

@ -1,150 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package comms
import (
"io"
"net"
"fmt"
"strings"
"strconv"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
maxHttpSizeReqLength = 1024 * 1024 // 1MB
)
var (
// List with all API's which are offered over the in proc interface by default
DefaultInProcApis = shared.AllApis
// List with all API's which are offered over the IPC interface by default
DefaultIpcApis = shared.AllApis
// List with API's which are offered over thr HTTP/RPC interface by default
DefaultHttpRpcApis = strings.Join([]string{
shared.DbApiName, shared.EthApiName, shared.NetApiName, shared.Web3ApiName,
}, ",")
)
type EthereumClient interface {
// Close underlying connection
Close()
// Send request
Send(interface{}) error
// Receive response
Recv() (interface{}, error)
// List with modules this client supports
SupportedModules() (map[string]string, error)
}
func handle(id int, conn net.Conn, api shared.EthereumApi, c codec.Codec) {
codec := c.New(conn)
defer func() {
if r := recover(); r != nil {
glog.Errorf("panic: %v\n", r)
}
codec.Close()
}()
for {
requests, isBatch, err := codec.ReadRequest()
if err == io.EOF {
return
} else if err != nil {
glog.V(logger.Debug).Infof("Closed IPC Conn %06d recv err - %v\n", id, err)
return
}
if isBatch {
responses := make([]*interface{}, len(requests))
responseCount := 0
for _, req := range requests {
res, err := api.Execute(req)
if req.Id != nil {
rpcResponse := shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err)
responses[responseCount] = rpcResponse
responseCount += 1
}
}
err = codec.WriteResponse(responses[:responseCount])
if err != nil {
glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err)
return
}
} else {
var rpcResponse interface{}
res, err := api.Execute(requests[0])
rpcResponse = shared.NewRpcResponse(requests[0].Id, requests[0].Jsonrpc, res, err)
err = codec.WriteResponse(rpcResponse)
if err != nil {
glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err)
return
}
}
}
}
// Endpoint must be in the form of:
// ${protocol}:${path}
// e.g. ipc:/tmp/geth.ipc
// rpc:localhost:8545
func ClientFromEndpoint(endpoint string, c codec.Codec) (EthereumClient, error) {
if strings.HasPrefix(endpoint, "ipc:") {
cfg := IpcConfig{
Endpoint: endpoint[4:],
}
return NewIpcClient(cfg, codec.JSON)
}
if strings.HasPrefix(endpoint, "rpc:") {
parts := strings.Split(endpoint, ":")
addr := "http://localhost"
port := uint(8545)
if len(parts) >= 3 {
addr = parts[1] + ":" + parts[2]
}
if len(parts) >= 4 {
p, err := strconv.Atoi(parts[3])
if err != nil {
return nil, err
}
port = uint(p)
}
cfg := HttpConfig{
ListenAddress: addr,
ListenPort: port,
}
return NewHttpClient(cfg, codec.JSON), nil
}
return nil, fmt.Errorf("Invalid endpoint")
}

345
rpc/comms/http.go
View File

@ -1,345 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package comms
import (
"encoding/json"
"fmt"
"net"
"net/http"
"strings"
"sync"
"time"
"bytes"
"io"
"io/ioutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/rs/cors"
)
const (
serverIdleTimeout = 10 * time.Second // idle keep-alive connections
serverReadTimeout = 15 * time.Second // per-request read timeout
serverWriteTimeout = 15 * time.Second // per-request read timeout
)
var (
httpServerMu sync.Mutex
httpServer *stopServer
)
type HttpConfig struct {
ListenAddress string
ListenPort uint
CorsDomain string
}
// stopServer augments http.Server with idle connection tracking.
// Idle keep-alive connections are shut down when Close is called.
type stopServer struct {
*http.Server
l net.Listener
// connection tracking state
mu sync.Mutex
shutdown bool // true when Stop has returned
idle map[net.Conn]struct{}
}
type handler struct {
codec codec.Codec
api shared.EthereumApi
}
// StartHTTP starts listening for RPC requests sent via HTTP.
func StartHttp(cfg HttpConfig, codec codec.Codec, api shared.EthereumApi) error {
httpServerMu.Lock()
defer httpServerMu.Unlock()
addr := fmt.Sprintf("%s:%d", cfg.ListenAddress, cfg.ListenPort)
if httpServer != nil {
if addr != httpServer.Addr {
return fmt.Errorf("RPC service already running on %s ", httpServer.Addr)
}
return nil // RPC service already running on given host/port
}
// Set up the request handler, wrapping it with CORS headers if configured.
handler := http.Handler(&handler{codec, api})
if len(cfg.CorsDomain) > 0 {
opts := cors.Options{
AllowedMethods: []string{"POST"},
AllowedOrigins: strings.Split(cfg.CorsDomain, " "),
}
handler = cors.New(opts).Handler(handler)
}
// Start the server.
s, err := listenHTTP(addr, handler)
if err != nil {
glog.V(logger.Error).Infof("Can't listen on %s:%d: %v", cfg.ListenAddress, cfg.ListenPort, err)
return err
}
httpServer = s
return nil
}
func (h *handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
// Limit request size to resist DoS
if req.ContentLength > maxHttpSizeReqLength {
err := fmt.Errorf("Request too large")
response := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32700, err)
sendJSON(w, &response)
return
}
defer req.Body.Close()
payload, err := ioutil.ReadAll(req.Body)
if err != nil {
err := fmt.Errorf("Could not read request body")
response := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32700, err)
sendJSON(w, &response)
return
}
c := h.codec.New(nil)
var rpcReq shared.Request
if err = c.Decode(payload, &rpcReq); err == nil {
reply, err := h.api.Execute(&rpcReq)
res := shared.NewRpcResponse(rpcReq.Id, rpcReq.Jsonrpc, reply, err)
sendJSON(w, &res)
return
}
var reqBatch []shared.Request
if err = c.Decode(payload, &reqBatch); err == nil {
resBatch := make([]*interface{}, len(reqBatch))
resCount := 0
for i, rpcReq := range reqBatch {
reply, err := h.api.Execute(&rpcReq)
if rpcReq.Id != nil { // this leaves nil entries in the response batch for later removal
resBatch[i] = shared.NewRpcResponse(rpcReq.Id, rpcReq.Jsonrpc, reply, err)
resCount += 1
}
}
// make response omitting nil entries
sendJSON(w, resBatch[:resCount])
return
}
// invalid request
err = fmt.Errorf("Could not decode request")
res := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32600, err)
sendJSON(w, res)
}
func sendJSON(w io.Writer, v interface{}) {
if glog.V(logger.Detail) {
if payload, err := json.MarshalIndent(v, "", "\t"); err == nil {
glog.Infof("Sending payload: %s", payload)
}
}
if err := json.NewEncoder(w).Encode(v); err != nil {
glog.V(logger.Error).Infoln("Error sending JSON:", err)
}
}
// Stop closes all active HTTP connections and shuts down the server.
func StopHttp() {
httpServerMu.Lock()
defer httpServerMu.Unlock()
if httpServer != nil {
httpServer.Close()
httpServer = nil
}
}
func listenHTTP(addr string, h http.Handler) (*stopServer, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
s := &stopServer{l: l, idle: make(map[net.Conn]struct{})}
s.Server = &http.Server{
Addr: addr,
Handler: h,
ReadTimeout: serverReadTimeout,
WriteTimeout: serverWriteTimeout,
ConnState: s.connState,
}
go s.Serve(l)
return s, nil
}
func (s *stopServer) connState(c net.Conn, state http.ConnState) {
s.mu.Lock()
defer s.mu.Unlock()
// Close c immediately if we're past shutdown.
if s.shutdown {
if state != http.StateClosed {
c.Close()
}
return
}
if state == http.StateIdle {
s.idle[c] = struct{}{}
} else {
delete(s.idle, c)
}
}
func (s *stopServer) Close() {
s.mu.Lock()
defer s.mu.Unlock()
// Shut down the acceptor. No new connections can be created.
s.l.Close()
// Drop all idle connections. Non-idle connections will be
// closed by connState as soon as they become idle.
s.shutdown = true
for c := range s.idle {
glog.V(logger.Detail).Infof("closing idle connection %v", c.RemoteAddr())
c.Close()
delete(s.idle, c)
}
}
type httpClient struct {
address string
port uint
codec codec.ApiCoder
lastRes interface{}
lastErr error
}
// Create a new in process client
func NewHttpClient(cfg HttpConfig, c codec.Codec) *httpClient {
return &httpClient{
address: cfg.ListenAddress,
port: cfg.ListenPort,
codec: c.New(nil),
}
}
func (self *httpClient) Close() {
// do nothing
}
func (self *httpClient) Send(req interface{}) error {
var body []byte
var err error
self.lastRes = nil
self.lastErr = nil
if body, err = self.codec.Encode(req); err != nil {
return err
}
httpReq, err := http.NewRequest("POST", fmt.Sprintf("%s:%d", self.address, self.port), bytes.NewBuffer(body))
if err != nil {
return err
}
httpReq.Header.Set("Content-Type", "application/json")
client := http.Client{}
resp, err := client.Do(httpReq)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.Status == "200 OK" {
reply, _ := ioutil.ReadAll(resp.Body)
var rpcSuccessResponse shared.SuccessResponse
if err = self.codec.Decode(reply, &rpcSuccessResponse); err == nil {
self.lastRes = &rpcSuccessResponse
self.lastErr = err
return nil
} else {
var rpcErrorResponse shared.ErrorResponse
if err = self.codec.Decode(reply, &rpcErrorResponse); err == nil {
self.lastRes = &rpcErrorResponse
self.lastErr = err
return nil
} else {
return err
}
}
}
return fmt.Errorf("Not implemented")
}
func (self *httpClient) Recv() (interface{}, error) {
return self.lastRes, self.lastErr
}
func (self *httpClient) SupportedModules() (map[string]string, error) {
var body []byte
var err error
payload := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "modules",
}
if body, err = self.codec.Encode(payload); err != nil {
return nil, err
}
req, err := http.NewRequest("POST", fmt.Sprintf("%s:%d", self.address, self.port), bytes.NewBuffer(body))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
client := http.Client{}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.Status == "200 OK" {
reply, _ := ioutil.ReadAll(resp.Body)
var rpcRes shared.SuccessResponse
if err = self.codec.Decode(reply, &rpcRes); err != nil {
return nil, err
}
result := make(map[string]string)
if modules, ok := rpcRes.Result.(map[string]interface{}); ok {
for a, v := range modules {
result[a] = fmt.Sprintf("%s", v)
}
return result, nil
}
err = fmt.Errorf("Unable to parse module response - %v", rpcRes.Result)
} else {
fmt.Printf("resp.Status = %s\n", resp.Status)
fmt.Printf("err = %v\n", err)
}
return nil, err
}

82
rpc/comms/inproc.go
View File

@ -1,82 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package comms
import (
"fmt"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type InProcClient struct {
api shared.EthereumApi
codec codec.Codec
lastId interface{}
lastJsonrpc string
lastErr error
lastRes interface{}
}
// Create a new in process client
func NewInProcClient(codec codec.Codec) *InProcClient {
return &InProcClient{
codec: codec,
}
}
func (self *InProcClient) Close() {
// do nothing
}
// Need to setup api support
func (self *InProcClient) Initialize(offeredApi shared.EthereumApi) {
self.api = offeredApi
}
func (self *InProcClient) Send(req interface{}) error {
if r, ok := req.(*shared.Request); ok {
self.lastId = r.Id
self.lastJsonrpc = r.Jsonrpc
self.lastRes, self.lastErr = self.api.Execute(r)
return self.lastErr
}
return fmt.Errorf("Invalid request (%T)", req)
}
func (self *InProcClient) Recv() (interface{}, error) {
return *shared.NewRpcResponse(self.lastId, self.lastJsonrpc, self.lastRes, self.lastErr), nil
}
func (self *InProcClient) SupportedModules() (map[string]string, error) {
req := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "modules",
}
if res, err := self.api.Execute(&req); err == nil {
if result, ok := res.(map[string]string); ok {
return result, nil
}
} else {
return nil, err
}
return nil, fmt.Errorf("Invalid response")
}

158
rpc/comms/ipc.go
View File

@ -1,158 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package comms
import (
"fmt"
"math/rand"
"net"
"os"
"encoding/json"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
)
type Stopper interface {
Stop()
}
type InitFunc func(conn net.Conn) (Stopper, shared.EthereumApi, error)
type IpcConfig struct {
Endpoint string
}
type ipcClient struct {
endpoint string
c net.Conn
codec codec.Codec
coder codec.ApiCoder
}
func (self *ipcClient) Close() {
self.coder.Close()
}
func (self *ipcClient) Send(msg interface{}) error {
var err error
if err = self.coder.WriteResponse(msg); err != nil {
if err = self.reconnect(); err == nil {
err = self.coder.WriteResponse(msg)
}
}
return err
}
func (self *ipcClient) Recv() (interface{}, error) {
return self.coder.ReadResponse()
}
func (self *ipcClient) SupportedModules() (map[string]string, error) {
req := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "rpc_modules",
}
if err := self.coder.WriteResponse(req); err != nil {
return nil, err
}
res, _ := self.coder.ReadResponse()
if sucRes, ok := res.(*shared.SuccessResponse); ok {
data, _ := json.Marshal(sucRes.Result)
modules := make(map[string]string)
if err := json.Unmarshal(data, &modules); err == nil {
return modules, nil
}
}
// old version uses modules instead of rpc_modules, this can be removed after full migration
req.Method = "modules"
if err := self.coder.WriteResponse(req); err != nil {
return nil, err
}
res, err := self.coder.ReadResponse()
if err != nil {
return nil, err
}
if sucRes, ok := res.(*shared.SuccessResponse); ok {
data, _ := json.Marshal(sucRes.Result)
modules := make(map[string]string)
err = json.Unmarshal(data, &modules)
if err == nil {
return modules, nil
}
}
return nil, fmt.Errorf("Invalid response")
}
// Create a new IPC client, UNIX domain socket on posix, named pipe on Windows
func NewIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
return newIpcClient(cfg, codec)
}
// Start IPC server
func StartIpc(cfg IpcConfig, codec codec.Codec, initializer InitFunc) error {
l, err := ipcListen(cfg)
if err != nil {
return err
}
go ipcLoop(cfg, codec, initializer, l)
return nil
}
// CreateListener creates an listener, on Unix platforms this is a unix socket, on Windows this is a named pipe
func CreateListener(cfg IpcConfig) (net.Listener, error) {
return ipcListen(cfg)
}
func ipcLoop(cfg IpcConfig, codec codec.Codec, initializer InitFunc, l net.Listener) {
glog.V(logger.Info).Infof("IPC service started (%s)\n", cfg.Endpoint)
defer os.Remove(cfg.Endpoint)
defer l.Close()
for {
conn, err := l.Accept()
if err != nil {
glog.V(logger.Debug).Infof("accept: %v", err)
return
}
id := newIpcConnId()
go func() {
defer conn.Close()
glog.V(logger.Debug).Infof("new connection with id %06d started", id)
stopper, api, err := initializer(conn)
if err != nil {
glog.V(logger.Error).Infof("Unable to initialize IPC connection: %v", err)
return
}
defer stopper.Stop()
handle(id, conn, api, codec)
}()
}
}
func newIpcConnId() int {
return rand.Int() % 1000000
}

82
rpc/comms/ipc_unix.go
View File

@ -1,82 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
package comms
import (
"net"
"os"
"path/filepath"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/rpc/useragent"
)
func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
c, err := net.DialUnix("unix", nil, &net.UnixAddr{cfg.Endpoint, "unix"})
if err != nil {
return nil, err
}
coder := codec.New(c)
msg := shared.Request{
Id: 0,
Method: useragent.EnableUserAgentMethod,
Jsonrpc: shared.JsonRpcVersion,
Params: []byte("[]"),
}
coder.WriteResponse(msg)
coder.Recv()
return &ipcClient{cfg.Endpoint, c, codec, coder}, nil
}
func (self *ipcClient) reconnect() error {
self.coder.Close()
c, err := net.DialUnix("unix", nil, &net.UnixAddr{self.endpoint, "unix"})
if err == nil {
self.coder = self.codec.New(c)
msg := shared.Request{
Id: 0,
Method: useragent.EnableUserAgentMethod,
Jsonrpc: shared.JsonRpcVersion,
Params: []byte("[]"),
}
self.coder.WriteResponse(msg)
self.coder.Recv()
}
return err
}
func ipcListen(cfg IpcConfig) (net.Listener, error) {
// Ensure the IPC path exists and remove any previous leftover
if err := os.MkdirAll(filepath.Dir(cfg.Endpoint), 0751); err != nil {
return nil, err
}
os.Remove(cfg.Endpoint)
l, err := net.Listen("unix", cfg.Endpoint)
if err != nil {
return nil, err
}
os.Chmod(cfg.Endpoint, 0600)
return l, nil
}

128
rpc/v2/doc.go → rpc/doc.go
View File

@ -99,4 +99,130 @@ Subscriptions are deleted when:
- the user sends an unsubscribe request
- the connection which was used to create the subscription is closed
*/
package v2
package rpc
var (
// Mapping between the different methods each api supports
AutoCompletion = map[string][]string{
"admin": []string{
"addPeer",
"datadir",
"enableUserAgent",
"exportChain",
"getContractInfo",
"httpGet",
"importChain",
"nodeInfo",
"peers",
"register",
"registerUrl",
"saveInfo",
"setGlobalRegistrar",
"setHashReg",
"setUrlHint",
"setSolc",
"sleep",
"sleepBlocks",
"startNatSpec",
"startRPC",
"stopNatSpec",
"stopRPC",
"verbosity",
},
"db": []string{
"getString",
"putString",
"getHex",
"putHex",
},
"debug": []string{
"dumpBlock",
"getBlockRlp",
"metrics",
"printBlock",
"processBlock",
"seedHash",
"setHead",
},
"eth": []string{
"accounts",
"blockNumber",
"call",
"contract",
"coinbase",
"compile.lll",
"compile.serpent",
"compile.solidity",
"contract",
"defaultAccount",
"defaultBlock",
"estimateGas",
"filter",
"getBalance",
"getBlock",
"getBlockTransactionCount",
"getBlockUncleCount",
"getCode",
"getNatSpec",
"getCompilers",
"gasPrice",
"getStorageAt",
"getTransaction",
"getTransactionCount",
"getTransactionFromBlock",
"getTransactionReceipt",
"getUncle",
"hashrate",
"mining",
"namereg",
"pendingTransactions",
"resend",
"sendRawTransaction",
"sendTransaction",
"sign",
"syncing",
},
"miner": []string{
"hashrate",
"makeDAG",
"setEtherbase",
"setExtra",
"setGasPrice",
"startAutoDAG",
"start",
"stopAutoDAG",
"stop",
},
"net": []string{
"peerCount",
"listening",
},
"personal": []string{
"listAccounts",
"newAccount",
"unlockAccount",
},
"shh": []string{
"post",
"newIdentity",
"hasIdentity",
"newGroup",
"addToGroup",
"filter",
},
"txpool": []string{
"status",
},
"web3": []string{
"sha3",
"version",
"fromWei",
"toWei",
"toHex",
"toAscii",
"fromAscii",
"toBigNumber",
"isAddress",
},
}
)

14
rpc/v2/errors.go → rpc/errors.go
View File

@ -14,7 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package v2
package rpc
import "fmt"
@ -83,3 +83,15 @@ func (e *callbackError) Code() int {
func (e *callbackError) Error() string {
return e.message
}
// issued when a request is received after the server is issued to stop.
type shutdownError struct {
}
func (e *shutdownError) Code() int {
return -32000
}
func (e *shutdownError) Error() string {
return "server is shutting down"
}

368
rpc/http.go Normal file
View File

@ -0,0 +1,368 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"bufio"
"fmt"
"io"
"net"
"net/http"
"strconv"
"strings"
"time"
"errors"
"sync"
"bytes"
"encoding/json"
"io/ioutil"
"net/url"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"gopkg.in/fatih/set.v0"
)
const (
httpReadDeadLine = 60 * time.Second // wait max httpReadDeadeline for next request
)
var (
httpServerMu sync.Mutex // prevent concurrent access to the httpListener and httpServer
httpListener net.Listener // listener for the http server
httpRPCServer *Server // the node can only start 1 HTTP RPC server instance
)
// httpMessageStream is the glue between a HTTP connection which is message based
// and the RPC codecs that expect json requests to be read from a stream. It will
// parse HTTP messages and offer the bodies of these requests as a stream through
// the Read method. This will require full control of the connection and thus need
// a "hijacked" HTTP connection.
type httpMessageStream struct {
conn net.Conn // TCP connection
rw *bufio.ReadWriter // buffered where HTTP requests/responses are read/written from/to
currentReq *http.Request // pending request, codec can pass in a too small buffer for a single read
// we need to keep track of the current requests if it was not read at once
payloadBytesRead int64 // number of bytes which are read from the current request
allowedOrigins *set.Set // allowed CORS domains
origin string // origin of this connection/request
}
// NewHttpMessageStream will create a new http message stream parser that can be
// used by the codes in the RPC package. It will take full control of the given
// connection and thus needs to be hijacked. It will read and write HTTP messages
// from the passed rwbuf. The allowed origins are the RPC CORS domains the user has supplied.
func NewHTTPMessageStream(c net.Conn, rwbuf *bufio.ReadWriter, initialReq *http.Request, allowdOrigins []string) *httpMessageStream {
r := &httpMessageStream{conn: c, rw: rwbuf, currentReq: initialReq, allowedOrigins: set.New()}
for _, origin := range allowdOrigins {
r.allowedOrigins.Add(origin)
}
return r
}
// handleOptionsRequest handles the HTTP preflight requests (OPTIONS) that browsers
// make to enforce CORS rules. Only the POST method is allowed and the origin must
// be on the rpccorsdomain list the user has specified.
func (h *httpMessageStream) handleOptionsRequest(req *http.Request) error {
headers := req.Header
if !strings.EqualFold(req.Method, "OPTIONS") {
return fmt.Errorf("preflight aborted: %s!=OPTIONS", req.Method)
}
origin := headers.Get("Origin")
if origin == "" {
return fmt.Errorf("preflight aborted: empty origin")
}
responseHeaders := make(http.Header)
responseHeaders.Set("Access-Control-Allow-Methods", "POST")
if h.allowedOrigins.Has(origin) || h.allowedOrigins.Has("*") {
responseHeaders.Set("Access-Control-Allow-Origin", origin)
} else {
glog.V(logger.Info).Infof("origin '%s' not allowed", origin)
}
responseHeaders.Set("Access-Control-Allow-Headers", "Content-Type")
responseHeaders.Set("Date", string(httpTimestamp(time.Now())))
responseHeaders.Set("Content-Type", "text/plain; charset=utf-8")
responseHeaders.Set("Content-Length", "0")
responseHeaders.Set("Vary", "Origin")
defer h.rw.Flush()
if _, err := h.rw.WriteString("HTTP/1.1 200 OK\r\n"); err != nil {
glog.V(logger.Error).Infof("unable to write OPTIONS response: %v\n", err)
return err
}
if err := responseHeaders.Write(h.rw); err != nil {
glog.V(logger.Error).Infof("unable to write OPTIONS headers: %v\n", err)
}
if _, err := h.rw.WriteString("\r\n"); err != nil {
glog.V(logger.Error).Infof("unable to write OPTIONS response: %v\n", err)
}
return nil
}
// Read will read incoming HTTP requests and reads the body data from these requests
// as an endless stream of data.
func (h *httpMessageStream) Read(buf []byte) (n int, err error) {
h.conn.SetReadDeadline(time.Now().Add(httpReadDeadLine))
for {
// if the last request was read completely try to read the next request
if h.currentReq == nil {
if h.currentReq, err = http.ReadRequest(bufio.NewReader(h.rw)); err != nil {
return 0, err
}
}
// The "options" method is http specific and not interested for the RPC server.
// Handle it internally and wait for the next request.
if strings.EqualFold(h.currentReq.Method, "OPTIONS") {
if err = h.handleOptionsRequest(h.currentReq); err != nil {
glog.V(logger.Info).Infof("RPC/HTTP OPTIONS error: %v\n", err)
h.currentReq = nil
return 0, err
}
// processed valid request -> reset deadline
h.conn.SetReadDeadline(time.Now().Add(httpReadDeadLine))
h.currentReq = nil
continue
}
if strings.EqualFold(h.currentReq.Method, "POST") {
n, err := h.currentReq.Body.Read(buf)
h.payloadBytesRead += int64(n)
// entire payload read, read new request next time
if err == io.EOF || h.payloadBytesRead >= h.currentReq.ContentLength {
h.origin = h.currentReq.Header.Get("origin")
h.payloadBytesRead = 0
h.currentReq.Body.Close()
h.currentReq = nil
err = nil // io.EOF is not an error
} else if err != nil {
// unable to read body
h.currentReq.Body.Close()
h.currentReq = nil
h.payloadBytesRead = 0
}
// partial read of body
return n, err
}
h.currentReq = nil
return 0, fmt.Errorf("unsupported HTTP method '%s'", h.currentReq.Method)
}
}
// Write will create a HTTP response with the given payload and send it to the peer.
func (h *httpMessageStream) Write(payload []byte) (int, error) {
defer h.rw.Flush()
responseHeaders := make(http.Header)
responseHeaders.Set("Content-Type", "application/json")
responseHeaders.Set("Content-Length", strconv.Itoa(len(payload)))
if h.origin != "" {
responseHeaders.Set("Access-Control-Allow-Origin", h.origin)
}
h.rw.WriteString("HTTP/1.1 200 OK\r\n")
responseHeaders.Write(h.rw)
h.rw.WriteString("\r\n")
return h.rw.Write(payload)
}
// Close will close the underlying TCP connection this instance has taken ownership over.
func (h *httpMessageStream) Close() error {
h.rw.Flush()
return h.conn.Close()
}
// TimeFormat is the time format to use with time.Parse and time.Time.Format when
// parsing or generating times in HTTP headers. It is like time.RFC1123 but hard
// codes GMT as the time zone.
const TimeFormat = "Mon, 02 Jan 2006 15:04:05 GMT"
// httpTimestamp formats the given t as specified in RFC1123.
func httpTimestamp(t time.Time) []byte {
const days = "SunMonTueWedThuFriSat"
const months = "JanFebMarAprMayJunJulAugSepOctNovDec"
b := make([]byte, 0)
t = t.UTC()
yy, mm, dd := t.Date()
hh, mn, ss := t.Clock()
day := days[3 * t.Weekday():]
mon := months[3 * (mm - 1):]
return append(b,
day[0], day[1], day[2], ',', ' ',
byte('0' + dd / 10), byte('0' + dd % 10), ' ',
mon[0], mon[1], mon[2], ' ',
byte('0' + yy / 1000), byte('0' + (yy / 100) % 10), byte('0' + (yy / 10) % 10), byte('0' + yy % 10), ' ',
byte('0' + hh / 10), byte('0' + hh % 10), ':',
byte('0' + mn / 10), byte('0' + mn % 10), ':',
byte('0' + ss / 10), byte('0' + ss % 10), ' ',
'G', 'M', 'T')
}
// httpConnHijacker is a http.Handler implementation that will hijack the HTTP
// connection, wraps it in a HttpMessageStream that is then wrapped in a JSON
// codec which will be served on the rpcServer.
type httpConnHijacker struct {
corsdomains []string
rpcServer *Server
}
// ServeHTTP will hijack the connection, wraps the captured connection in a
// HttpMessageStream which is then used as codec.
func (h *httpConnHijacker) ServeHTTP(w http.ResponseWriter, req *http.Request) {
hj, ok := w.(http.Hijacker)
if !ok {
http.Error(w, "webserver doesn't support hijacking", http.StatusInternalServerError)
return
}
conn, rwbuf, err := hj.Hijack()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
httpRequestStream := NewHTTPMessageStream(conn, rwbuf, req, h.corsdomains)
codec := NewJSONCodec(httpRequestStream)
go h.rpcServer.ServeCodec(codec)
}
// StartHTTP will start the JSONRPC HTTP RPC interface when its not yet running.
func StartHTTP(address string, port int, corsdomains []string, apis []API) error {
httpServerMu.Lock()
defer httpServerMu.Unlock()
if httpRPCServer != nil {
return fmt.Errorf("HTTP RPC interface already started on %s", httpListener.Addr())
}
rpcServer := NewServer()
for _, api := range apis {
if err := rpcServer.RegisterName(api.Namespace, api.Service); err != nil {
return err
}
}
listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", address, port))
if err != nil {
return err
}
httpServer := http.Server{Handler: &httpConnHijacker{corsdomains, rpcServer}}
go httpServer.Serve(listener)
httpListener = listener
httpRPCServer = rpcServer
return nil
}
// StopHTTP will stop the running HTTP interface. If it is not running an error will be returned.
func StopHTTP() error {
httpServerMu.Lock()
defer httpServerMu.Unlock()
if httpRPCServer == nil {
return errors.New("HTTP RPC interface not started")
}
httpListener.Close()
httpRPCServer.Stop()
httpRPCServer = nil
httpListener = nil
return nil
}
// httpClient connects to a geth RPC server over HTTP.
type httpClient struct {
endpoint *url.URL // HTTP-RPC server endpoint
lastRes []byte // HTTP requests are synchronous, store last response
}
// NewHTTPClient create a new RPC clients that connection to a geth RPC server
// over HTTP.
func NewHTTPClient(endpoint string) (*httpClient, error) {
url, err := url.Parse(endpoint)
if err != nil {
return nil, err
}
return &httpClient{endpoint: url}, nil
}
// Send will serialize the given msg to JSON and sends it to the RPC server.
// Since HTTP is synchronous the response is stored until Recv is called.
func (client *httpClient) Send(msg interface{}) error {
var body []byte
var err error
client.lastRes = nil
if body, err = json.Marshal(msg); err != nil {
return err
}
httpReq, err := http.NewRequest("POST", client.endpoint.String(), bytes.NewBuffer(body))
if err != nil {
return err
}
httpReq.Header.Set("Content-Type", "application/json")
httpClient := http.Client{}
resp, err := httpClient.Do(httpReq)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
client.lastRes, err = ioutil.ReadAll(resp.Body)
return err
}
return fmt.Errorf("unable to handle request")
}
// Recv will try to deserialize the last received response into the given msg.
func (client *httpClient) Recv(msg interface{}) error {
return json.Unmarshal(client.lastRes, &msg)
}
// Close is not necessary for httpClient
func (client *httpClient) Close() {
}
// SupportedModules will return the collection of offered RPC modules.
func (client *httpClient) SupportedModules() (map[string]string, error) {
return SupportedModules(client)
}

84
rpc/ipc.go Normal file
View File

@ -0,0 +1,84 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"encoding/json"
"net"
)
// CreateIPCListener creates an listener, on Unix platforms this is a unix socket, on Windows this is a named pipe
func CreateIPCListener(endpoint string) (net.Listener, error) {
return ipcListen(endpoint)
}
// ipcClient represent an IPC RPC client. It will connect to a given endpoint and tries to communicate with a node using
// JSON serialization.
type ipcClient struct {
endpoint string
conn net.Conn
out *json.Encoder
in *json.Decoder
}
// NewIPCClient create a new IPC client that will connect on the given endpoint. Messages are JSON encoded and encoded.
// On Unix it assumes the endpoint is the full path to a unix socket, and Windows the endpoint is an identifier for a
// named pipe.
func NewIPCClient(endpoint string) (*ipcClient, error) {
conn, err := newIPCConnection(endpoint)
if err != nil {
return nil, err
}
return &ipcClient{endpoint: endpoint, conn: conn, in: json.NewDecoder(conn), out: json.NewEncoder(conn)}, nil
}
// Send will serialize the given message and send it to the server.
// When sending the message fails it will try to reconnect once and send the message again.
func (client *ipcClient) Send(msg interface{}) error {
if err := client.out.Encode(msg); err == nil {
return nil
}
// retry once
client.conn.Close()
conn, err := newIPCConnection(client.endpoint)
if err != nil {
return err
}
client.conn = conn
client.in = json.NewDecoder(conn)
client.out = json.NewEncoder(conn)
return client.out.Encode(msg)
}
// Recv will read a message from the connection and tries to parse it. It assumes the received message is JSON encoded.
func (client *ipcClient) Recv(msg interface{}) error {
return client.in.Decode(&msg)
}
// Close will close the underlying IPC connection
func (client *ipcClient) Close() {
client.conn.Close()
}
// SupportedModules will return the collection of offered RPC modules.
func (client *ipcClient) SupportedModules() (map[string]string, error) {
return SupportedModules(client)
}

44
rpc/api/web3_args.go → rpc/ipc_unix.go
View File

@ -14,32 +14,32 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
package rpc
import (
"encoding/json"
"github.com/ethereum/go-ethereum/rpc/shared"
"net"
"os"
"path/filepath"
)
type Sha3Args struct {
Data string
// ipcListen will create a Unix socket on the given endpoint.
func ipcListen(endpoint string) (net.Listener, error) {
// Ensure the IPC path exists and remove any previous leftover
if err := os.MkdirAll(filepath.Dir(endpoint), 0751); err != nil {
return nil, err
}
os.Remove(endpoint)
l, err := net.Listen("unix", endpoint)
if err != nil {
return nil, err
}
os.Chmod(endpoint, 0600)
return l, nil
}
func (args *Sha3Args) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return shared.NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return shared.NewInsufficientParamsError(len(obj), 1)
}
argstr, ok := obj[0].(string)
if !ok {
return shared.NewInvalidTypeError("data", "is not a string")
}
args.Data = argstr
return nil
// newIPCConnection will connect to a Unix socket on the given endpoint.
func newIPCConnection(endpoint string) (net.Conn, error) {
return net.DialUnix("unix", nil, &net.UnixAddr{endpoint, "unix"})
}

56
rpc/comms/ipc_windows.go → rpc/ipc_windows.go
View File

@ -16,21 +16,16 @@
// +build windows
package comms
package rpc
import (
"fmt"
"io"
"net"
"os"
"sync"
"syscall"
"time"
"unsafe"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/rpc/useragent"
)
var (
@ -649,49 +644,12 @@ func timeout(addr string) PipeError {
return PipeError{fmt.Sprintf("Pipe IO timed out waiting for '%s'", addr), true}
}
func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
c, err := Dial(cfg.Endpoint)
if err != nil {
return nil, err
}
coder := codec.New(c)
msg := shared.Request{
Id: 0,
Method: useragent.EnableUserAgentMethod,
Jsonrpc: shared.JsonRpcVersion,
Params: []byte("[]"),
}
coder.WriteResponse(msg)
coder.Recv()
return &ipcClient{cfg.Endpoint, c, codec, coder}, nil
// ipcListen will create a named pipe on the given endpoint.
func ipcListen(endpoint string) (net.Listener, error) {
return Listen(endpoint)
}
func (self *ipcClient) reconnect() error {
c, err := Dial(self.endpoint)
if err == nil {
self.coder = self.codec.New(c)
req := shared.Request{
Id: 0,
Method: useragent.EnableUserAgentMethod,
Jsonrpc: shared.JsonRpcVersion,
Params: []byte("[]"),
}
self.coder.WriteResponse(req)
self.coder.Recv()
}
return err
}
func ipcListen(cfg IpcConfig) (net.Listener, error) {
os.Remove(cfg.Endpoint) // in case it still exists from a previous run
l, err := Listen(cfg.Endpoint)
if err != nil {
return nil, err
}
os.Chmod(cfg.Endpoint, 0600)
return l, nil
// newIPCConnection will connect to a named pipe with the given endpoint as name.
func newIPCConnection(endpoint string) (net.Conn, error) {
return Dial(endpoint)
}

414
rpc/javascript.go Normal file
View File

@ -0,0 +1,414 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
var (
// Holds geth specific RPC extends which can be used to extend web3
WEB3Extensions = map[string]string{
"personal": Personal_JS,
"txpool": TxPool_JS,
"admin": Admin_JS,
"db": Db_JS,
"eth": Eth_JS,
"miner": Miner_JS,
"debug": Debug_JS,
"net": Net_JS,
}
)
const Personal_JS = `
web3._extend({
property: 'personal',
methods:
[
new web3._extend.Method({
name: 'newAccount',
call: 'personal_newAccount',
params: 1,
outputFormatter: web3._extend.utils.toAddress
}),
new web3._extend.Method({
name: 'unlockAccount',
call: 'personal_unlockAccount',
params: 3,
}),
new web3._extend.Method({
name: 'lockAccount',
call: 'personal_lockAccount',
params: 1
})
],
properties:
[
new web3._extend.Property({
name: 'listAccounts',
getter: 'personal_listAccounts'
})
]
});
`
const TxPool_JS = `
web3._extend({
property: 'txpool',
methods:
[
],
properties:
[
new web3._extend.Property({
name: 'status',
getter: 'txpool_status'
outputFormatter: function(status) {
status.pending = web3._extend.utils.toDecimal(status.pending);
status.queued = web3._extend.utils.toDecimal(status.queued);
return status;
}
})
]
});
`
const Admin_JS = `
web3._extend({
property: 'admin',
methods:
[
new web3._extend.Method({
name: 'addPeer',
call: 'admin_addPeer',
params: 1
}),
new web3._extend.Method({
name: 'exportChain',
call: 'admin_exportChain',
params: 1,
inputFormatter: [null]
}),
new web3._extend.Method({
name: 'importChain',
call: 'admin_importChain',
params: 1
}),
new web3._extend.Method({
name: 'sleepBlocks',
call: 'admin_sleepBlocks',
params: 2
}),
new web3._extend.Method({
name: 'verbosity',
call: 'admin_verbosity',
params: 1,
inputFormatter: [web3._extend.utils.fromDecimal]
}),
new web3._extend.Method({
name: 'setSolc',
call: 'admin_setSolc',
params: 1
}),
new web3._extend.Method({
name: 'startRPC',
call: 'admin_startRPC',
params: 4
}),
new web3._extend.Method({
name: 'stopRPC',
call: 'admin_stopRPC',
params: 0
}),
new web3._extend.Method({
name: 'startWS',
call: 'admin_startWS',
params: 4
}),
new web3._extend.Method({
name: 'stopWS',
call: 'admin_stopWS',
params: 0
}),
new web3._extend.Method({
name: 'setGlobalRegistrar',
call: 'admin_setGlobalRegistrar',
params: 2
}),
new web3._extend.Method({
name: 'setHashReg',
call: 'admin_setHashReg',
params: 2
}),
new web3._extend.Method({
name: 'setUrlHint',
call: 'admin_setUrlHint',
params: 2
}),
new web3._extend.Method({
name: 'saveInfo',
call: 'admin_saveInfo',
params: 2
}),
new web3._extend.Method({
name: 'register',
call: 'admin_register',
params: 3
}),
new web3._extend.Method({
name: 'registerUrl',
call: 'admin_registerUrl',
params: 3
}),
new web3._extend.Method({
name: 'startNatSpec',
call: 'admin_startNatSpec',
params: 0
}),
new web3._extend.Method({
name: 'stopNatSpec',
call: 'admin_stopNatSpec',
params: 0
}),
new web3._extend.Method({
name: 'getContractInfo',
call: 'admin_getContractInfo',
params: 1
}),
new web3._extend.Method({
name: 'httpGet',
call: 'admin_httpGet',
params: 2
})
],
properties:
[
new web3._extend.Property({
name: 'nodeInfo',
getter: 'admin_nodeInfo'
}),
new web3._extend.Property({
name: 'peers',
getter: 'admin_peers'
}),
new web3._extend.Property({
name: 'datadir',
getter: 'admin_datadir'
})
]
});
`
const Db_JS = `
web3._extend({
property: 'db',
methods:
[
],
properties:
[
]
});
`
const Eth_JS = `
web3._extend({
property: 'eth',
methods:
[
new web3._extend.Method({
name: 'sign',
call: 'eth_sign',
params: 2,
inputFormatter: [web3._extend.utils.toAddress, null]
}),
new web3._extend.Method({
name: 'resend',
call: 'eth_resend',
params: 3,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter, web3._extend.utils.fromDecimal, web3._extend.utils.fromDecimal]
}),
new web3._extend.Method({
name: 'getNatSpec',
call: 'eth_getNatSpec',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
}),
new web3._extend.Method({
name: 'signTransaction',
call: 'eth_signTransaction',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
}),
new web3._extend.Method({
name: 'submitTransaction',
call: 'eth_submitTransaction',
params: 1,
inputFormatter: [web3._extend.formatters.inputTransactionFormatter]
})
],
properties:
[
new web3._extend.Property({
name: 'pendingTransactions',
getter: 'eth_pendingTransactions'
})
]
});
`
const Net_JS = `
web3._extend({
property: 'net',
methods:
[
new web3._extend.Method({
name: 'addPeer',
call: 'net_addPeer',
params: 1
})
],
properties:
[
new web3._extend.Property({
name: 'version',
getter: 'net_version'
})
]
});
`
const Debug_JS = `
web3._extend({
property: 'debug',
methods:
[
new web3._extend.Method({
name: 'printBlock',
call: 'debug_printBlock',
params: 1
}),
new web3._extend.Method({
name: 'getBlockRlp',
call: 'debug_getBlockRlp',
params: 1
}),
new web3._extend.Method({
name: 'setHead',
call: 'debug_setHead',
params: 1
}),
new web3._extend.Method({
name: 'processBlock',
call: 'debug_processBlock',
params: 1
}),
new web3._extend.Method({
name: 'seedHash',
call: 'debug_seedHash',
params: 1
}),
new web3._extend.Method({
name: 'dumpBlock',
call: 'debug_dumpBlock',
params: 1
}),
new web3._extend.Method({
name: 'metrics',
call: 'debug_metrics',
params: 1
})
],
properties:
[
]
});
`
const Miner_JS = `
web3._extend({
property: 'miner',
methods:
[
new web3._extend.Method({
name: 'start',
call: 'miner_start',
params: 1
}),
new web3._extend.Method({
name: 'stop',
call: 'miner_stop',
params: 1
}),
new web3._extend.Method({
name: 'setEtherbase',
call: 'miner_setEtherbase',
params: 1,
inputFormatter: [web3._extend.formatters.formatInputInt],
outputFormatter: web3._extend.formatters.formatOutputBool
}),
new web3._extend.Method({
name: 'setExtra',
call: 'miner_setExtra',
params: 1
}),
new web3._extend.Method({
name: 'setGasPrice',
call: 'miner_setGasPrice',
params: 1,
inputFormatter: [web3._extend.utils.fromDecial]
}),
new web3._extend.Method({
name: 'startAutoDAG',
call: 'miner_startAutoDAG',
params: 0
}),
new web3._extend.Method({
name: 'stopAutoDAG',
call: 'miner_stopAutoDAG',
params: 0
}),
new web3._extend.Method({
name: 'makeDAG',
call: 'miner_makeDAG',
params: 1,
inputFormatter: [web3._extend.formatters.inputDefaultBlockNumberFormatter]
})
],
properties:
[
new web3._extend.Property({
name: 'hashrate',
getter: 'miner_hashrate',
outputFormatter: web3._extend.utils.toDecimal
})
]
});
`
const Shh_JS = `
web3._extend({
property: 'shh',
methods:
[
],
properties:
[
new web3._extend.Property({
name: 'version',
getter: 'shh_version'
})
]
});
`

324
rpc/jeth.go
View File

@ -1,324 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"encoding/json"
"fmt"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/jsre"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/rpc/useragent"
"github.com/ethereum/go-ethereum/xeth"
"github.com/robertkrimen/otto"
)
type Jeth struct {
ethApi shared.EthereumApi
re *jsre.JSRE
client comms.EthereumClient
fe xeth.Frontend
}
func NewJeth(ethApi shared.EthereumApi, re *jsre.JSRE, client comms.EthereumClient, fe xeth.Frontend) *Jeth {
return &Jeth{ethApi, re, client, fe}
}
func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) {
m := shared.NewRpcErrorResponse(id, shared.JsonRpcVersion, code, fmt.Errorf(msg))
errObj, _ := json.Marshal(m.Error)
errRes, _ := json.Marshal(m)
call.Otto.Run("ret_error = " + string(errObj))
res, _ := call.Otto.Run("ret_response = " + string(errRes))
return res
}
// UnlockAccount asks the user for the password and than executes the jeth.UnlockAccount callback in the jsre
func (self *Jeth) UnlockAccount(call otto.FunctionCall) (response otto.Value) {
var cmd, account, passwd string
timeout := int64(300)
var ok bool
if len(call.ArgumentList) == 0 {
fmt.Println("expected address of account to unlock")
return otto.FalseValue()
}
if len(call.ArgumentList) >= 1 {
if accountExport, err := call.Argument(0).Export(); err == nil {
if account, ok = accountExport.(string); ok {
if len(call.ArgumentList) == 1 {
fmt.Printf("Unlock account %s\n", account)
passwd, err = utils.PromptPassword("Passphrase: ", true)
if err != nil {
return otto.FalseValue()
}
}
}
}
}
if len(call.ArgumentList) >= 2 {
if passwdExport, err := call.Argument(1).Export(); err == nil {
passwd, _ = passwdExport.(string)
}
}
if len(call.ArgumentList) >= 3 {
if timeoutExport, err := call.Argument(2).Export(); err == nil {
timeout, _ = timeoutExport.(int64)
}
}
cmd = fmt.Sprintf("jeth.unlockAccount('%s', '%s', %d)", account, passwd, timeout)
if val, err := call.Otto.Run(cmd); err == nil {
return val
}
return otto.FalseValue()
}
// NewAccount asks the user for the password and than executes the jeth.newAccount callback in the jsre
func (self *Jeth) NewAccount(call otto.FunctionCall) (response otto.Value) {
if len(call.ArgumentList) == 0 {
passwd, err := utils.PromptPassword("Passphrase: ", true)
if err != nil {
return otto.FalseValue()
}
passwd2, err := utils.PromptPassword("Repeat passphrase: ", true)
if err != nil {
return otto.FalseValue()
}
if passwd != passwd2 {
fmt.Println("Passphrases don't match")
return otto.FalseValue()
}
cmd := fmt.Sprintf("jeth.newAccount('%s')", passwd)
if val, err := call.Otto.Run(cmd); err == nil {
return val
}
} else {
fmt.Println("New account doesn't expect argument(s), you will be prompted for a password")
}
return otto.FalseValue()
}
func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
reqif, err := call.Argument(0).Export()
if err != nil {
return self.err(call, -32700, err.Error(), nil)
}
jsonreq, err := json.Marshal(reqif)
var reqs []shared.Request
batch := true
err = json.Unmarshal(jsonreq, &reqs)
if err != nil {
reqs = make([]shared.Request, 1)
err = json.Unmarshal(jsonreq, &reqs[0])
batch = false
}
call.Otto.Set("response_len", len(reqs))
call.Otto.Run("var ret_response = new Array(response_len);")
for i, req := range reqs {
var respif interface{}
err := self.client.Send(&req)
if err != nil {
return self.err(call, -32603, err.Error(), req.Id)
}
recv:
respif, err = self.client.Recv()
if err != nil {
return self.err(call, -32603, err.Error(), req.Id)
}
agentreq, isRequest := respif.(*shared.Request)
if isRequest {
self.handleRequest(agentreq)
goto recv // receive response after agent interaction
}
sucres, isSuccessResponse := respif.(*shared.SuccessResponse)
errres, isErrorResponse := respif.(*shared.ErrorResponse)
if !isSuccessResponse && !isErrorResponse {
return self.err(call, -32603, fmt.Sprintf("Invalid response type (%T)", respif), req.Id)
}
call.Otto.Set("ret_jsonrpc", shared.JsonRpcVersion)
call.Otto.Set("ret_id", req.Id)
var res []byte
if isSuccessResponse {
res, err = json.Marshal(sucres.Result)
} else if isErrorResponse {
res, err = json.Marshal(errres.Error)
}
call.Otto.Set("ret_result", string(res))
call.Otto.Set("response_idx", i)
response, err = call.Otto.Run(`
ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
`)
}
if !batch {
call.Otto.Run("ret_response = ret_response[0];")
}
if call.Argument(1).IsObject() {
call.Otto.Set("callback", call.Argument(1))
call.Otto.Run(`
if (Object.prototype.toString.call(callback) == '[object Function]') {
callback(null, ret_response);
}
`)
}
return
}
// handleRequest will handle user agent requests by interacting with the user and sending
// the user response back to the geth service
func (self *Jeth) handleRequest(req *shared.Request) bool {
var err error
var args []interface{}
if err = json.Unmarshal(req.Params, &args); err != nil {
glog.V(logger.Info).Infof("Unable to parse agent request - %v\n", err)
return false
}
switch req.Method {
case useragent.AskPasswordMethod:
return self.askPassword(req.Id, req.Jsonrpc, args)
case useragent.ConfirmTransactionMethod:
return self.confirmTransaction(req.Id, req.Jsonrpc, args)
}
return false
}
// askPassword will ask the user to supply the password for a given account
func (self *Jeth) askPassword(id interface{}, jsonrpc string, args []interface{}) bool {
var err error
var passwd string
if len(args) >= 1 {
if account, ok := args[0].(string); ok {
fmt.Printf("Unlock account %s\n", account)
} else {
return false
}
}
passwd, err = utils.PromptPassword("Passphrase: ", true)
if err = self.client.Send(shared.NewRpcResponse(id, jsonrpc, passwd, err)); err != nil {
glog.V(logger.Info).Infof("Unable to send user agent ask password response - %v\n", err)
}
return err == nil
}
func (self *Jeth) confirmTransaction(id interface{}, jsonrpc string, args []interface{}) bool {
// Accept all tx which are send from this console
return self.client.Send(shared.NewRpcResponse(id, jsonrpc, true, nil)) == nil
}
// throwJSExeception panics on an otto value, the Otto VM will then throw msg as a javascript error.
func throwJSExeception(msg interface{}) otto.Value {
p, _ := otto.ToValue(msg)
panic(p)
return p
}
// Sleep will halt the console for arg[0] seconds.
func (self *Jeth) Sleep(call otto.FunctionCall) (response otto.Value) {
if len(call.ArgumentList) >= 1 {
if call.Argument(0).IsNumber() {
sleep, _ := call.Argument(0).ToInteger()
time.Sleep(time.Duration(sleep) * time.Second)
return otto.TrueValue()
}
}
return throwJSExeception("usage: sleep(<sleep in seconds>)")
}
// SleepBlocks will wait for a specified number of new blocks or max for a
// given of seconds. sleepBlocks(nBlocks[, maxSleep]).
func (self *Jeth) SleepBlocks(call otto.FunctionCall) (response otto.Value) {
nBlocks := int64(0)
maxSleep := int64(9999999999999999) // indefinitely
nArgs := len(call.ArgumentList)
if nArgs == 0 {
throwJSExeception("usage: sleepBlocks(<n blocks>[, max sleep in seconds])")
}
if nArgs >= 1 {
if call.Argument(0).IsNumber() {
nBlocks, _ = call.Argument(0).ToInteger()
} else {
throwJSExeception("expected number as first argument")
}
}
if nArgs >= 2 {
if call.Argument(1).IsNumber() {
maxSleep, _ = call.Argument(1).ToInteger()
} else {
throwJSExeception("expected number as second argument")
}
}
// go through the console, this will allow web3 to call the appropriate
// callbacks if a delayed response or notification is received.
currentBlockNr := func() int64 {
result, err := call.Otto.Run("eth.blockNumber")
if err != nil {
throwJSExeception(err.Error())
}
blockNr, err := result.ToInteger()
if err != nil {
throwJSExeception(err.Error())
}
return blockNr
}
targetBlockNr := currentBlockNr() + nBlocks
deadline := time.Now().Add(time.Duration(maxSleep) * time.Second)
for time.Now().Before(deadline) {
if currentBlockNr() >= targetBlockNr {
return otto.TrueValue()
}
time.Sleep(time.Second)
}
return otto.FalseValue()
}

28
rpc/v2/json.go → rpc/json.go
View File

@ -14,7 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package v2
package rpc
import (
"encoding/json"
@ -37,7 +37,7 @@ const (
)
// JSON-RPC request
type jsonRequest struct {
type JSONRequest struct {
Method string `json:"method"`
Version string `json:"jsonrpc"`
Id *int64 `json:"id,omitempty"`
@ -45,24 +45,24 @@ type jsonRequest struct {
}
// JSON-RPC response
type jsonSuccessResponse struct {
type JSONSuccessResponse struct {
Version string `json:"jsonrpc"`
Id int64 `json:"id"`
Result interface{} `json:"result,omitempty"`
}
// JSON-RPC error object
type jsonError struct {
type JSONError struct {
Code int `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
// JSON-RPC error response
type jsonErrResponse struct {
type JSONErrResponse struct {
Version string `json:"jsonrpc"`
Id *int64 `json:"id,omitempty"`
Error jsonError `json:"error"`
Error JSONError `json:"error"`
}
// JSON-RPC notification payload
@ -85,7 +85,7 @@ type jsonCodec struct {
isClosed int32
d *json.Decoder
e *json.Encoder
req jsonRequest
req JSONRequest
rw io.ReadWriteCloser
}
@ -126,7 +126,7 @@ func (c *jsonCodec) ReadRequestHeaders() ([]rpcRequest, bool, RPCError) {
// parseRequest will parse a single request from the given RawMessage. It will return the parsed request, an indication
// if the request was a batch or an error when the request could not be parsed.
func parseRequest(incomingMsg json.RawMessage) ([]rpcRequest, bool, RPCError) {
var in jsonRequest
var in JSONRequest
if err := json.Unmarshal(incomingMsg, &in); err != nil {
return nil, false, &invalidMessageError{err.Error()}
}
@ -175,7 +175,7 @@ func parseRequest(incomingMsg json.RawMessage) ([]rpcRequest, bool, RPCError) {
// parseBatchRequest will parse a batch request into a collection of requests from the given RawMessage, an indication
// if the request was a batch or an error when the request could not be read.
func parseBatchRequest(incomingMsg json.RawMessage) ([]rpcRequest, bool, RPCError) {
var in []jsonRequest
var in []JSONRequest
if err := json.Unmarshal(incomingMsg, &in); err != nil {
return nil, false, &invalidMessageError{err.Error()}
}
@ -296,21 +296,21 @@ func parsePositionalArguments(args json.RawMessage, argTypes []reflect.Type) ([]
// CreateResponse will create a JSON-RPC success response with the given id and reply as result.
func (c *jsonCodec) CreateResponse(id int64, reply interface{}) interface{} {
if isHexNum(reflect.TypeOf(reply)) {
return &jsonSuccessResponse{Version: jsonRPCVersion, Id: id, Result: fmt.Sprintf(`%#x`, reply)}
return &JSONSuccessResponse{Version: jsonRPCVersion, Id: id, Result: fmt.Sprintf(`%#x`, reply)}
}
return &jsonSuccessResponse{Version: jsonRPCVersion, Id: id, Result: reply}
return &JSONSuccessResponse{Version: jsonRPCVersion, Id: id, Result: reply}
}
// CreateErrorResponse will create a JSON-RPC error response with the given id and error.
func (c *jsonCodec) CreateErrorResponse(id *int64, err RPCError) interface{} {
return &jsonErrResponse{Version: jsonRPCVersion, Id: id, Error: jsonError{Code: err.Code(), Message: err.Error()}}
return &JSONErrResponse{Version: jsonRPCVersion, Id: id, Error: JSONError{Code: err.Code(), Message: err.Error()}}
}
// CreateErrorResponseWithInfo will create a JSON-RPC error response with the given id and error.
// info is optional and contains additional information about the error. When an empty string is passed it is ignored.
func (c *jsonCodec) CreateErrorResponseWithInfo(id *int64, err RPCError, info interface{}) interface{} {
return &jsonErrResponse{Version: jsonRPCVersion, Id: id,
Error: jsonError{Code: err.Code(), Message: err.Error(), Data: info}}
return &JSONErrResponse{Version: jsonRPCVersion, Id: id,
Error: JSONError{Code: err.Code(), Message: err.Error(), Data: info}}
}
// CreateNotification will create a JSON-RPC notification with the given subscription id and event as params.

2
rpc/v2/json_test.go → rpc/json_test.go
View File

@ -1,4 +1,4 @@
package v2
package rpc
import (
"bufio"

61
rpc/v2/server.go → rpc/server.go
View File

@ -14,23 +14,37 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package v2
package rpc
import (
"fmt"
"reflect"
"runtime"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"golang.org/x/net/context"
"gopkg.in/fatih/set.v0"
)
const (
stopPendingRequestTimeout = 3 * time.Second // give pending requests stopPendingRequestTimeout the time to finish when the server is stopped
DefaultIpcApis = "admin,eth,debug,miner,net,shh,txpool,personal,web3"
DefaultHttpRpcApis = "eth,net,web3"
)
// NewServer will create a new server instance with no registered handlers.
func NewServer() *Server {
server := &Server{services: make(serviceRegistry), subscriptions: make(subscriptionRegistry)}
server := &Server{
services: make(serviceRegistry),
subscriptions: make(subscriptionRegistry),
codecs: set.New(),
run: 1,
}
// register a default service which will provide meta information about the RPC service such as the services and
// methods it offers.
@ -124,14 +138,37 @@ func (s *Server) ServeCodec(codec ServerCodec) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
for {
s.codecsMu.Lock()
if atomic.LoadInt32(&s.run) != 1 { // server stopped
s.codecsMu.Unlock()
return
}
s.codecs.Add(codec)
s.codecsMu.Unlock()
for atomic.LoadInt32(&s.run) == 1 {
reqs, batch, err := s.readRequest(codec)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
codec.Write(codec.CreateErrorResponse(nil, err))
break
}
if atomic.LoadInt32(&s.run) != 1 {
err = &shutdownError{}
if batch {
resps := make([]interface{}, len(reqs))
for i, r := range reqs {
resps[i] = codec.CreateErrorResponse(&r.id, err)
}
codec.Write(resps)
} else {
codec.Write(codec.CreateErrorResponse(&reqs[0].id, err))
}
break
}
if batch {
go s.execBatch(ctx, codec, reqs)
} else {
@ -140,6 +177,22 @@ func (s *Server) ServeCodec(codec ServerCodec) {
}
}
// Stop will stop reading new requests, wait for stopPendingRequestTimeout to allow pending requests to finish,
// close all codecs which will cancels pending requests/subscriptions.
func (s *Server) Stop() {
if atomic.CompareAndSwapInt32(&s.run, 1, 0) {
glog.V(logger.Debug).Infoln("RPC Server shutdown initiatied")
time.AfterFunc(stopPendingRequestTimeout, func() {
s.codecsMu.Lock()
defer s.codecsMu.Unlock()
s.codecs.Each(func(c interface{}) bool {
c.(ServerCodec).Close()
return true
})
})
}
}
// sendNotification will create a notification from the given event by serializing member fields of the event.
// It will then send the notification to the client, when it fails the codec is closed. When the event has multiple
// fields an array of values is returned.

32
rpc/v2/server_test.go → rpc/server_test.go
View File

@ -1,4 +1,20 @@
package v2
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"encoding/json"
@ -91,7 +107,7 @@ func (c *ServerTestCodec) ReadRequestHeaders() ([]rpcRequest, bool, RPCError) {
c.counter += 1
if c.counter == 1 {
var req jsonRequest
var req JSONRequest
json.Unmarshal(c.input, &req)
return []rpcRequest{rpcRequest{id: *req.Id, isPubSub: false, service: "test", method: req.Method, params: req.Payload}}, false, nil
}
@ -157,16 +173,16 @@ func (c *ServerTestCodec) ParseRequestArguments(argTypes []reflect.Type, payload
}
func (c *ServerTestCodec) CreateResponse(id int64, reply interface{}) interface{} {
return &jsonSuccessResponse{Version: jsonRPCVersion, Id: id, Result: reply}
return &JSONSuccessResponse{Version: jsonRPCVersion, Id: id, Result: reply}
}
func (c *ServerTestCodec) CreateErrorResponse(id *int64, err RPCError) interface{} {
return &jsonErrResponse{Version: jsonRPCVersion, Id: id, Error: jsonError{Code: err.Code(), Message: err.Error()}}
return &JSONErrResponse{Version: jsonRPCVersion, Id: id, Error: JSONError{Code: err.Code(), Message: err.Error()}}
}
func (c *ServerTestCodec) CreateErrorResponseWithInfo(id *int64, err RPCError, info interface{}) interface{} {
return &jsonErrResponse{Version: jsonRPCVersion, Id: id,
Error: jsonError{Code: err.Code(), Message: err.Error(), Data: info}}
return &JSONErrResponse{Version: jsonRPCVersion, Id: id,
Error: JSONError{Code: err.Code(), Message: err.Error(), Data: info}}
}
func (c *ServerTestCodec) CreateNotification(subid string, event interface{}) interface{} {
@ -203,7 +219,7 @@ func TestServerMethodExecution(t *testing.T) {
}
id := int64(12345)
req := jsonRequest{
req := JSONRequest{
Method: "echo",
Version: "2.0",
Id: &id,
@ -233,7 +249,7 @@ func TestServerMethodWithCtx(t *testing.T) {
}
id := int64(12345)
req := jsonRequest{
req := JSONRequest{
Method: "echoWithCtx",
Version: "2.0",
Id: &id,

126
rpc/shared/errors.go
View File

@ -1,126 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package shared
import "fmt"
type InvalidTypeError struct {
method string
msg string
}
func (e *InvalidTypeError) Error() string {
return fmt.Sprintf("invalid type on field %s: %s", e.method, e.msg)
}
func NewInvalidTypeError(method, msg string) *InvalidTypeError {
return &InvalidTypeError{
method: method,
msg: msg,
}
}
type InsufficientParamsError struct {
have int
want int
}
func (e *InsufficientParamsError) Error() string {
return fmt.Sprintf("insufficient params, want %d have %d", e.want, e.have)
}
func NewInsufficientParamsError(have int, want int) *InsufficientParamsError {
return &InsufficientParamsError{
have: have,
want: want,
}
}
type NotImplementedError struct {
Method string
}
func (e *NotImplementedError) Error() string {
return fmt.Sprintf("%s method not implemented", e.Method)
}
func NewNotImplementedError(method string) *NotImplementedError {
return &NotImplementedError{
Method: method,
}
}
type NotReadyError struct {
Resource string
}
func (e *NotReadyError) Error() string {
return fmt.Sprintf("%s not ready", e.Resource)
}
func NewNotReadyError(resource string) *NotReadyError {
return &NotReadyError{
Resource: resource,
}
}
type DecodeParamError struct {
err string
}
func (e *DecodeParamError) Error() string {
return fmt.Sprintf("could not decode, %s", e.err)
}
func NewDecodeParamError(errstr string) error {
return &DecodeParamError{
err: errstr,
}
}
type ValidationError struct {
ParamName string
msg string
}
func (e *ValidationError) Error() string {
return fmt.Sprintf("%s not valid, %s", e.ParamName, e.msg)
}
func NewValidationError(param string, msg string) error {
return &ValidationError{
ParamName: param,
msg: msg,
}
}
type NotAvailableError struct {
Method string
Reason string
}
func (e *NotAvailableError) Error() string {
return fmt.Sprintf("%s method not available: %s", e.Method, e.Reason)
}
func NewNotAvailableError(method string, reason string) *NotAvailableError {
return &NotAvailableError{
Method: method,
Reason: reason,
}
}

108
rpc/shared/types.go
View File

@ -1,108 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package shared
import (
"encoding/json"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
// Ethereum RPC API interface
type EthereumApi interface {
// API identifier
Name() string
// API version
ApiVersion() string
// Execute the given request and returns the response or an error
Execute(*Request) (interface{}, error)
// List of supported RCP methods this API provides
Methods() []string
}
// RPC request
type Request struct {
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Method string `json:"method"`
Params json.RawMessage `json:"params"`
}
// RPC response
type Response struct {
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
}
// RPC success response
type SuccessResponse struct {
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Result interface{} `json:"result"`
}
// RPC error response
type ErrorResponse struct {
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Error *ErrorObject `json:"error"`
}
// RPC error response details
type ErrorObject struct {
Code int `json:"code"`
Message string `json:"message"`
// Data interface{} `json:"data"`
}
// Create RPC error response, this allows for custom error codes
func NewRpcErrorResponse(id interface{}, jsonrpcver string, errCode int, err error) *ErrorResponse {
jsonerr := &ErrorObject{errCode, err.Error()}
response := ErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: jsonerr}
glog.V(logger.Detail).Infof("Generated error response: %s", response)
return &response
}
// Create RPC response
func NewRpcResponse(id interface{}, jsonrpcver string, reply interface{}, err error) *interface{} {
var response interface{}
switch err.(type) {
case nil:
response = &SuccessResponse{Jsonrpc: jsonrpcver, Id: id, Result: reply}
case *NotImplementedError:
jsonerr := &ErrorObject{-32601, err.Error()}
response = &ErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: jsonerr}
case *NotReadyError:
jsonerr := &ErrorObject{-32000, err.Error()}
response = &ErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: jsonerr}
case *DecodeParamError, *InsufficientParamsError, *ValidationError, *InvalidTypeError:
jsonerr := &ErrorObject{-32602, err.Error()}
response = &ErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: jsonerr}
default:
jsonerr := &ErrorObject{-32603, err.Error()}
response = &ErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: jsonerr}
}
glog.V(logger.Detail).Infof("Generated response: %T %s", response, response)
return &response
}

43
rpc/shared/utils.go
View File

@ -1,43 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package shared
import "strings"
const (
AdminApiName = "admin"
EthApiName = "eth"
DbApiName = "db"
DebugApiName = "debug"
MergedApiName = "merged"
MinerApiName = "miner"
NetApiName = "net"
ShhApiName = "shh"
TxPoolApiName = "txpool"
PersonalApiName = "personal"
Web3ApiName = "web3"
JsonRpcVersion = "2.0"
)
var (
// All API's
AllApis = strings.Join([]string{
AdminApiName, DbApiName, EthApiName, DebugApiName, MinerApiName, NetApiName,
ShhApiName, TxPoolApiName, PersonalApiName, Web3ApiName,
}, ",")
)

18
rpc/v2/types.go → rpc/types.go
View File

@ -14,7 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package v2
package rpc
import (
"fmt"
@ -25,6 +25,7 @@ import (
"sync"
"github.com/ethereum/go-ethereum/event"
"gopkg.in/fatih/set.v0"
)
// API describes the set of methods offered over the RPC interface
@ -75,6 +76,10 @@ type Server struct {
services serviceRegistry
muSubcriptions sync.Mutex // protects subscriptions
subscriptions subscriptionRegistry
run int32
codecsMu sync.Mutex
codecs *set.Set
}
// rpcRequest represents a raw incoming RPC request
@ -350,3 +355,14 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
func (bn *BlockNumber) Int64() int64 {
return (int64)(*bn)
}
// Client defines the interface for go client that wants to connect to a geth RPC endpoint
type Client interface {
// SupportedModules returns the collection of API's the server offers
SupportedModules() (map[string]string, error)
Send(req interface{}) error
Recv(msg interface{}) error
Close()
}

18
rpc/v2/types_test.go → rpc/types_test.go
View File

@ -1,4 +1,20 @@
package v2
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"bytes"

24
rpc/useragent/agent.go
View File

@ -1,24 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// package user agent provides frontends and agents which can interact with the user
package useragent
var (
AskPasswordMethod = "agent_askPassword"
ConfirmTransactionMethod = "agent_confirmTransaction"
EnableUserAgentMethod = "admin_enableUserAgent"
)

166
rpc/useragent/remote_frontend.go
View File

@ -1,166 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package useragent
import (
"encoding/json"
"fmt"
"net"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/shared"
)
// remoteFrontend implements xeth.Frontend and will communicate with an external
// user agent over a connection
type RemoteFrontend struct {
enabled bool
mgr *accounts.Manager
d *json.Decoder
e *json.Encoder
n int
}
// NewRemoteFrontend creates a new frontend which will interact with an user agent
// over the given connection
func NewRemoteFrontend(conn net.Conn, mgr *accounts.Manager) *RemoteFrontend {
return &RemoteFrontend{false, mgr, json.NewDecoder(conn), json.NewEncoder(conn), 0}
}
// Enable will enable user interaction
func (fe *RemoteFrontend) Enable() {
fe.enabled = true
}
func (fe *RemoteFrontend) AskPassword() (string, bool) {
if !fe.enabled {
return "", false
}
err := fe.send(AskPasswordMethod)
if err != nil {
glog.V(logger.Error).Infof("Unable to send password request to agent - %v\n", err)
return "", false
}
passwdRes, err := fe.recv()
if err != nil {
glog.V(logger.Error).Infof("Unable to recv password response from agent - %v\n", err)
return "", false
}
if passwd, ok := passwdRes.Result.(string); ok {
return passwd, true
}
return "", false
}
// UnlockAccount asks the user agent for the user password and tries to unlock the account.
// It will try 3 attempts before giving up.
func (fe *RemoteFrontend) UnlockAccount(address []byte) bool {
if !fe.enabled {
return false
}
err := fe.send(AskPasswordMethod, common.Bytes2Hex(address))
if err != nil {
glog.V(logger.Error).Infof("Unable to send password request to agent - %v\n", err)
return false
}
passwdRes, err := fe.recv()
if err != nil {
glog.V(logger.Error).Infof("Unable to recv password response from agent - %v\n", err)
return false
}
if passwd, ok := passwdRes.Result.(string); ok {
err = fe.mgr.Unlock(common.BytesToAddress(address), passwd)
}
if err == nil {
return true
}
glog.V(logger.Debug).Infoln("3 invalid account unlock attempts")
return false
}
// ConfirmTransaction asks the user for approval
func (fe *RemoteFrontend) ConfirmTransaction(tx string) bool {
if !fe.enabled {
return true // backwards compatibility
}
err := fe.send(ConfirmTransactionMethod, tx)
if err != nil {
glog.V(logger.Error).Infof("Unable to send tx confirmation request to agent - %v\n", err)
return false
}
confirmResponse, err := fe.recv()
if err != nil {
glog.V(logger.Error).Infof("Unable to recv tx confirmation response from agent - %v\n", err)
return false
}
if confirmed, ok := confirmResponse.Result.(bool); ok {
return confirmed
}
return false
}
// send request to the agent
func (fe *RemoteFrontend) send(method string, params ...interface{}) error {
fe.n += 1
p, err := json.Marshal(params)
if err != nil {
glog.V(logger.Info).Infof("Unable to send agent request %v\n", err)
return err
}
req := shared.Request{
Method: method,
Jsonrpc: shared.JsonRpcVersion,
Id: fe.n,
Params: p,
}
return fe.e.Encode(&req)
}
// recv user response from agent
func (fe *RemoteFrontend) recv() (*shared.SuccessResponse, error) {
var res json.RawMessage
if err := fe.d.Decode(&res); err != nil {
return nil, err
}
var response shared.SuccessResponse
if err := json.Unmarshal(res, &response); err == nil {
return &response, nil
}
return nil, fmt.Errorf("Invalid user agent response")
}

34
rpc/v2/utils.go → rpc/utils.go
View File

@ -14,7 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package v2
package rpc
import (
"crypto/rand"
@ -25,6 +25,8 @@ import (
"unicode"
"unicode/utf8"
"fmt"
"golang.org/x/net/context"
)
@ -212,3 +214,33 @@ func newSubscriptionId() (string, error) {
}
return "0x" + hex.EncodeToString(subid[:]), nil
}
// SupportedModules returns the collection of API's that the RPC server offers
// on which the given client connects.
func SupportedModules(client Client) (map[string]string, error) {
req := map[string]interface{}{
"id": 1,
"method": "rpc_modules",
}
if err := client.Send(req); err != nil {
return nil, err
}
var response map[string]interface{}
if err := client.Recv(&response); err != nil {
return nil, err
}
if payload, ok := response["result"]; ok {
mods := make(map[string]string)
if modules, ok := payload.(map[string]interface{}); ok {
for m, v := range modules {
mods[m] = fmt.Sprintf("%s", v)
}
return mods, nil
}
}
return nil, fmt.Errorf("unable to retrieve modules")
}

235
rpc/websocket.go Normal file
View File

@ -0,0 +1,235 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"errors"
"fmt"
"net"
"net/http"
"sync"
"os"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"golang.org/x/net/websocket"
"gopkg.in/fatih/set.v0"
)
var (
wsServerMu sync.Mutex
wsRPCServer *Server
wsListener net.Listener
)
// wsReaderWriterCloser reads and write payloads from and to a websocket connection.
type wsReaderWriterCloser struct {
c *websocket.Conn
}
// Read will read incoming payload data into p.
func (rw *wsReaderWriterCloser) Read(p []byte) (int, error) {
return rw.c.Read(p)
}
// Write writes p to the websocket.
func (rw *wsReaderWriterCloser) Write(p []byte) (int, error) {
return rw.c.Write(p)
}
// Close closes the websocket connection.
func (rw *wsReaderWriterCloser) Close() error {
return rw.c.Close()
}
// wsHandler accepts a websocket connection and handles incoming RPC requests.
// Will return when the websocket connection is closed, either by the client or
// server.
func wsHandler(conn *websocket.Conn) {
rwc := &wsReaderWriterCloser{conn}
wsRPCServer.ServeCodec(NewJSONCodec(rwc))
}
// wsHandshakeValidator returns a handler that verifies the origin during the
// websocket upgrade process. When a '*' is specified as an allowed origins all
// connections are accepted.
func wsHandshakeValidator(allowedOrigins []string) func(*websocket.Config, *http.Request) error {
origins := set.New()
allowAllOrigins := false
for _, origin := range allowedOrigins {
if origin == "*" {
allowAllOrigins = true
}
if origin != "" {
origins.Add(origin)
}
}
// allow localhost if no allowedOrigins are specified
if len(origins.List()) == 0 {
origins.Add("http://localhost")
if hostname, err := os.Hostname(); err == nil {
origins.Add("http://" + hostname)
}
}
glog.V(logger.Debug).Infof("Allowed origin(s) for WS RPC interface %v\n", origins.List())
f := func(cfg *websocket.Config, req *http.Request) error {
origin := req.Header.Get("Origin")
if allowAllOrigins || origins.Has(origin) {
return nil
}
glog.V(logger.Debug).Infof("origin '%s' not allowed on WS-RPC interface\n", origin)
return fmt.Errorf("origin %s not allowed", origin)
}
return f
}
// StartWS will start a websocket RPC server on the given address and port.
func StartWS(address string, port int, corsdomains []string, apis []API) error {
wsServerMu.Lock()
defer wsServerMu.Unlock()
if wsRPCServer != nil {
return fmt.Errorf("WS RPC interface already started on %s", wsListener.Addr())
}
rpcServer := NewServer()
for _, api := range apis {
if err := rpcServer.RegisterName(api.Namespace, api.Service); err != nil {
return err
}
}
listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", address, port))
if err != nil {
return err
}
wsServer := websocket.Server{Handshake: wsHandshakeValidator(corsdomains), Handler: wsHandler}
wsHTTPServer := http.Server{Handler: wsServer}
go wsHTTPServer.Serve(listener)
wsListener = listener
wsRPCServer = rpcServer
return nil
}
// StopWS stops the running websocket RPC server.
func StopWS() error {
wsServerMu.Lock()
defer wsServerMu.Unlock()
if wsRPCServer == nil {
return errors.New("HTTP RPC interface not started")
}
wsListener.Close()
wsRPCServer.Stop()
wsRPCServer = nil
wsListener = nil
return nil
}
// wsClient represents a RPC client that communicates over websockets with a
// RPC server.
type wsClient struct {
endpoint string
connMu sync.Mutex
conn *websocket.Conn
}
// NewWSClientj creates a new RPC client that communicates with a RPC server
// that is listening on the given endpoint using JSON encoding.
func NewWSClient(endpoint string) (*wsClient, error) {
return &wsClient{endpoint: endpoint}, nil
}
// connection will return a websocket connection to the RPC server. It will
// (re)connect when necessary.
func (client *wsClient) connection() (*websocket.Conn, error) {
if client.conn != nil {
return client.conn, nil
}
origin, err := os.Hostname()
if err != nil {
return nil, err
}
origin = "http://" + origin
client.conn, err = websocket.Dial(client.endpoint, "", origin)
return client.conn, err
}
// SupportedModules is the collection of modules the RPC server offers.
func (client *wsClient) SupportedModules() (map[string]string, error) {
return SupportedModules(client)
}
// Send writes the JSON serialized msg to the websocket. It will create a new
// websocket connection to the server if the client is currently not connected.
func (client *wsClient) Send(msg interface{}) (err error) {
client.connMu.Lock()
defer client.connMu.Unlock()
var conn *websocket.Conn
if conn, err = client.connection(); err == nil {
if err = websocket.JSON.Send(conn, msg); err != nil {
client.conn.Close()
client.conn = nil
}
}
return err
}
// Recv reads a JSON message from the websocket and unmarshals it into msg.
func (client *wsClient) Recv(msg interface{}) (err error) {
client.connMu.Lock()
defer client.connMu.Unlock()
var conn *websocket.Conn
if conn, err = client.connection(); err == nil {
if err = websocket.JSON.Receive(conn, msg); err != nil {
client.conn.Close()
client.conn = nil
}
}
return
}
// Close closes the underlaying websocket connection.
func (client *wsClient) Close() {
client.connMu.Lock()
defer client.connMu.Unlock()
if client.conn != nil {
client.conn.Close()
client.conn = nil
}
}

77
rpc/xeth.go
View File

@ -1,77 +0,0 @@
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package rpc implements the Ethereum JSON-RPC API.
package rpc
import (
"encoding/json"
"fmt"
"reflect"
"sync/atomic"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/ethereum/go-ethereum/rpc/shared"
)
// Xeth is a native API interface to a remote node.
type Xeth struct {
client comms.EthereumClient
reqId uint32
}
// NewXeth constructs a new native API interface to a remote node.
func NewXeth(client comms.EthereumClient) *Xeth {
return &Xeth{
client: client,
}
}
// Call invokes a method with the given parameters are the remote node.
func (self *Xeth) Call(method string, params []interface{}) (map[string]interface{}, error) {
// Assemble the json RPC request
data, err := json.Marshal(params)
if err != nil {
return nil, err
}
req := &shared.Request{
Id: atomic.AddUint32(&self.reqId, 1),
Jsonrpc: "2.0",
Method: method,
Params: data,
}
// Send the request over and retrieve the response
if err := self.client.Send(req); err != nil {
return nil, err
}
res, err := self.client.Recv()
if err != nil {
return nil, err
}
// Ensure the response is valid, and extract the results
success, isSuccessResponse := res.(*shared.SuccessResponse)
failure, isFailureResponse := res.(*shared.ErrorResponse)
switch {
case isFailureResponse:
return nil, fmt.Errorf("Method invocation failed: %v", failure.Error)
case isSuccessResponse:
return success.Result.(map[string]interface{}), nil
default:
return nil, fmt.Errorf("Invalid response type: %v", reflect.TypeOf(res))
}
}