Updated RPC

* Added a generic RawMessage deserialiser
* Updated ethereum.js
* Updated coin test app
This commit is contained in:
obscuren
2015-03-10 20:14:38 +01:00
parent bbe8b18660
commit f22684439a
5 changed files with 152 additions and 136 deletions

View File

@ -3,32 +3,26 @@ package rpc
import (
"bytes"
"encoding/json"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/ethutil"
)
// Unmarshal state is a helper method which has the ability to decode messsages
// that use the `defaultBlock` (https://github.com/ethereum/wiki/wiki/JSON-RPC#the-default-block-parameter)
// For example a `call`: [{to: "0x....", data:"0x..."}, "latest"]. The first argument is the transaction
// message and the second one refers to the block height (or state) to which to apply this `call`.
func unmarshalState(b []byte, iface interface{}, str *string) (err error) {
var data []json.RawMessage
if err = json.Unmarshal(b, &data); err != nil && len(data) == 0 {
func blockNumber(raw json.RawMessage, number *int64) (err error) {
var str string
if err = json.Unmarshal(raw, &str); err != nil {
return errDecodeArgs
}
if err = json.Unmarshal(data[0], iface); err != nil {
return errDecodeArgs
switch str {
case "latest":
*number = -1
case "pending":
*number = 0
default:
*number = ethutil.String2Big(str).Int64()
}
// Second argument is optional (transact doesn't require it)
if len(data) > 1 {
if err = json.Unmarshal(data[1], str); err != nil {
return errDecodeArgs
}
}
return nil
}
@ -88,20 +82,12 @@ type NewTxArgs struct {
GasPrice *big.Int
Data string
BlockHeight string
BlockNumber int64
}
func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
var obj struct {
From string `json:"from"`
To string `json:"to"`
Value string `json:"value"`
Gas string `json:"gas"`
GasPrice string `json:"gasPrice"`
Data string `json:"data"`
}
var height string
if err = unmarshalState(b, &obj, &height); err != nil {
var obj struct{ From, To, Value, Gas, GasPrice, Data string }
if err = UnmarshalRawMessages(b, &obj, &args.BlockNumber); err != nil {
return err
}
@ -111,7 +97,6 @@ func (args *NewTxArgs) UnmarshalJSON(b []byte) (err error) {
args.Gas = ethutil.Big(obj.Gas)
args.GasPrice = ethutil.Big(obj.GasPrice)
args.Data = obj.Data
args.BlockHeight = height
return nil
}
@ -122,24 +107,10 @@ type GetStorageArgs struct {
}
func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
return errDecodeArgs
}
if len(obj) < 1 {
return errArguments
}
args.Address = obj[0].(string)
if len(obj) > 1 {
if obj[1].(string) == "latest" {
args.BlockNumber = -1
} else {
args.BlockNumber = ethutil.Big(obj[1].(string)).Int64()
}
}
fmt.Println(args)
return nil
}
@ -158,25 +129,18 @@ type GetStorageAtArgs struct {
}
func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
var obj []string
if err = UnmarshalRawMessages(b, &obj, &args.BlockNumber); err != nil {
return errDecodeArgs
}
if len(obj) < 2 {
return errDecodeArgs
}
if len(obj) < 2 {
return errArguments
}
args.Address = obj[0].(string)
args.Key = obj[1].(string)
args.Address = obj[0]
args.Key = obj[1]
if len(obj) > 2 {
if obj[2].(string) == "latest" {
args.BlockNumber = -1
} else {
args.BlockNumber = ethutil.Big(obj[2].(string)).Int64()
}
}
fmt.Println(args)
return nil
}
@ -198,26 +162,10 @@ type GetTxCountArgs struct {
}
func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
return errDecodeArgs
}
if len(obj) < 1 {
return errArguments
}
args.Address = obj[0].(string)
if len(obj) > 1 {
if obj[1].(string) == "latest" {
args.BlockNumber = -1
} else {
args.BlockNumber = ethutil.Big(obj[1].(string)).Int64()
}
}
return nil
}
@ -234,25 +182,10 @@ type GetBalanceArgs struct {
}
func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
return errDecodeArgs
}
if len(obj) < 1 {
return errArguments
}
args.Address = obj[0].(string)
if len(obj) > 1 {
if obj[1].(string) == "latest" {
args.BlockNumber = -1
} else {
args.BlockNumber = ethutil.Big(obj[1].(string)).Int64()
}
}
return nil
}
@ -269,25 +202,10 @@ type GetDataArgs struct {
}
func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
return errDecodeArgs
}
if len(obj) < 1 {
return errArguments
}
args.Address = obj[0].(string)
if len(obj) > 1 {
if obj[1].(string) == "latest" {
args.BlockNumber = -1
} else {
args.BlockNumber = ethutil.Big(obj[1].(string)).Int64()
}
}
return nil
}