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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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174
cmd/geth/js.go
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@ -24,23 +24,16 @@ import (
"os/signal"
"path/filepath"
"regexp"
"strings"
"sort"
"strings"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/natspec"
"github.com/ethereum/go-ethereum/common/registrar"
"github.com/ethereum/go-ethereum/eth"
re "github.com/ethereum/go-ethereum/jsre"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/rpc/api"
"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/xeth"
"github.com/peterh/liner"
"github.com/robertkrimen/otto"
)
@ -79,82 +72,90 @@ func (r dumbterm) AppendHistory(string) {}
type jsre struct {
re *re.JSRE
stack *node.Node
xeth *xeth.XEth
wait chan *big.Int
ps1 string
atexit func()
corsDomain string
client comms.EthereumClient
client rpc.Client
prompter
}
var (
loadedModulesMethods map[string][]string
loadedModulesMethods map[string][]string
autoCompleteStatement = "function _autocomplete(obj) {var results = []; for (var e in obj) { results.push(e); }; return results; }; _autocomplete(%s)"
)
func keywordCompleter(line string) []string {
results := make([]string, 0)
func keywordCompleter(jsre *jsre, line string) []string {
var results []string
parts := strings.Split(line, ".")
objRef := "this"
prefix := line
if len(parts) > 1 {
objRef = strings.Join(parts[0:len(parts) - 1], ".")
prefix = parts[len(parts) - 1]
}
if strings.Contains(line, ".") {
elements := strings.Split(line, ".")
if len(elements) == 2 {
module := elements[0]
partialMethod := elements[1]
if methods, found := loadedModulesMethods[module]; found {
for _, method := range methods {
if strings.HasPrefix(method, partialMethod) { // e.g. debug.se
results = append(results, module+"."+method)
}
result, _ := jsre.re.Run(fmt.Sprintf(autoCompleteStatement, objRef))
raw, _ := result.Export()
if keys, ok := raw.([]interface{}); ok {
for _, k := range keys {
if strings.HasPrefix(fmt.Sprintf("%s", k), prefix) {
if objRef == "this" {
results = append(results, fmt.Sprintf("%s", k))
} else {
results = append(results, fmt.Sprintf("%s.%s", strings.Join(parts[:len(parts) - 1], "."), k))
}
}
}
} else {
for module, methods := range loadedModulesMethods {
if line == module { // user typed in full module name, show all methods
for _, method := range methods {
results = append(results, module+"."+method)
}
} else if strings.HasPrefix(module, line) { // partial method name, e.g. admi
results = append(results, module)
}
}
}
// e.g. web3<tab><tab> append dot since its an object
isObj, _ := jsre.re.Run(fmt.Sprintf("typeof(%s) === 'object'", line))
if isObject, _ := isObj.ToBoolean(); isObject {
results = append(results, line + ".")
}
sort.Strings(results)
return results
}
func apiWordCompleter(line string, pos int) (head string, completions []string, tail string) {
if len(line) == 0 || pos == 0 {
return "", nil, ""
func apiWordCompleterWithContext(jsre *jsre) liner.WordCompleter {
completer := func(line string, pos int) (head string, completions []string, tail string) {
if len(line) == 0 || pos == 0 {
return "", nil, ""
}
// chuck data to relevant part for autocompletion, e.g. in case of nested lines eth.getBalance(eth.coinb<tab><tab>
i := 0
for i = pos - 1; i > 0; i-- {
if line[i] == '.' || (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') {
continue
}
if i >= 3 && line[i] == '3' && line[i - 3] == 'w' && line[i - 2] == 'e' && line[i - 1] == 'b' {
continue
}
i += 1
break
}
begin := line[:i]
keyword := line[i:pos]
end := line[pos:]
completionWords := keywordCompleter(jsre, keyword)
return begin, completionWords, end
}
i := 0
for i = pos - 1; i > 0; i-- {
if line[i] == '.' || (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') {
continue
}
if i >= 3 && line[i] == '3' && line[i-3] == 'w' && line[i-2] == 'e' && line[i-1] == 'b' {
continue
}
i += 1
break
}
begin := line[:i]
keyword := line[i:pos]
end := line[pos:]
completionWords := keywordCompleter(keyword)
return begin, completionWords, end
return completer
}
func newLightweightJSRE(docRoot string, client comms.EthereumClient, datadir string, interactive bool) *jsre {
func newLightweightJSRE(docRoot string, client rpc.Client, datadir string, interactive bool) *jsre {
js := &jsre{ps1: "> "}
js.wait = make(chan *big.Int)
js.client = client
// update state in separare forever blocks
js.re = re.New(docRoot)
if err := js.apiBindings(js); err != nil {
if err := js.apiBindings(); err != nil {
utils.Fatalf("Unable to initialize console - %v", err)
}
@ -165,7 +166,7 @@ func newLightweightJSRE(docRoot string, client comms.EthereumClient, datadir str
js.withHistory(datadir, func(hist *os.File) { lr.ReadHistory(hist) })
lr.SetCtrlCAborts(true)
js.loadAutoCompletion()
lr.SetWordCompleter(apiWordCompleter)
lr.SetWordCompleter(apiWordCompleterWithContext(js))
lr.SetTabCompletionStyle(liner.TabPrints)
js.prompter = lr
js.atexit = func() {
@ -177,25 +178,15 @@ func newLightweightJSRE(docRoot string, client comms.EthereumClient, datadir str
return js
}
func newJSRE(stack *node.Node, docRoot, corsDomain string, client comms.EthereumClient, interactive bool, f xeth.Frontend) *jsre {
func newJSRE(stack *node.Node, docRoot, corsDomain string, client rpc.Client, interactive bool) *jsre {
js := &jsre{stack: stack, ps1: "> "}
// set default cors domain used by startRpc from CLI flag
js.corsDomain = corsDomain
if f == nil {
f = js
}
js.xeth = xeth.New(stack, f)
js.wait = js.xeth.UpdateState()
js.wait = make(chan *big.Int)
js.client = client
if clt, ok := js.client.(*comms.InProcClient); ok {
if offeredApis, err := api.ParseApiString(shared.AllApis, codec.JSON, js.xeth, stack); err == nil {
clt.Initialize(api.Merge(offeredApis...))
}
}
// update state in separare forever blocks
js.re = re.New(docRoot)
if err := js.apiBindings(f); err != nil {
if err := js.apiBindings(); err != nil {
utils.Fatalf("Unable to connect - %v", err)
}
@ -206,7 +197,7 @@ func newJSRE(stack *node.Node, docRoot, corsDomain string, client comms.Ethereum
js.withHistory(stack.DataDir(), func(hist *os.File) { lr.ReadHistory(hist) })
lr.SetCtrlCAborts(true)
js.loadAutoCompletion()
lr.SetWordCompleter(apiWordCompleter)
lr.SetWordCompleter(apiWordCompleterWithContext(js))
lr.SetTabCompletionStyle(liner.TabPrints)
js.prompter = lr
js.atexit = func() {
@ -222,7 +213,7 @@ func (self *jsre) loadAutoCompletion() {
if modules, err := self.supportedApis(); err == nil {
loadedModulesMethods = make(map[string][]string)
for module, _ := range modules {
loadedModulesMethods[module] = api.AutoCompletion[module]
loadedModulesMethods[module] = rpc.AutoCompletion[module]
}
}
}
@ -258,7 +249,6 @@ func (self *jsre) welcome() {
loadedModules = append(loadedModules, fmt.Sprintf("%s:%s", api, version))
}
sort.Strings(loadedModules)
}
}
@ -266,7 +256,7 @@ func (self *jsre) supportedApis() (map[string]string, error) {
return self.client.SupportedModules()
}
func (js *jsre) apiBindings(f xeth.Frontend) error {
func (js *jsre) apiBindings() error {
apis, err := js.supportedApis()
if err != nil {
return err
@ -277,12 +267,7 @@ func (js *jsre) apiBindings(f xeth.Frontend) error {
apiNames = append(apiNames, a)
}
apiImpl, err := api.ParseApiString(strings.Join(apiNames, ","), codec.JSON, js.xeth, js.stack)
if err != nil {
utils.Fatalf("Unable to determine supported api's: %v", err)
}
jeth := rpc.NewJeth(api.Merge(apiImpl...), js.re, js.client, f)
jeth := utils.NewJeth(js.re, js.client)
js.re.Set("jeth", struct{}{})
t, _ := js.re.Get("jeth")
jethObj := t.Object()
@ -313,14 +298,16 @@ func (js *jsre) apiBindings(f xeth.Frontend) error {
// load only supported API's in javascript runtime
shortcuts := "var eth = web3.eth; "
for _, apiName := range apiNames {
if apiName == shared.Web3ApiName {
continue // manually mapped
if apiName == "web3" || apiName == "rpc" {
continue // manually mapped or ignore
}
if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), api.Javascript(apiName)); err == nil {
shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName)
} else {
utils.Fatalf("Error loading %s.js: %v", apiName, err)
if jsFile, ok := rpc.WEB3Extensions[apiName]; ok {
if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), jsFile); err == nil {
shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName)
} else {
utils.Fatalf("Error loading %s.js: %v", apiName, err)
}
}
}
@ -375,14 +362,13 @@ func (self *jsre) ConfirmTransaction(tx string) bool {
return false
}
// If natspec is enabled, ask for permission
if ethereum.NatSpec {
notice := natspec.GetNotice(self.xeth, tx, ethereum.HTTPClient())
fmt.Println(notice)
answer, _ := self.Prompt("Confirm Transaction [y/n]")
return strings.HasPrefix(strings.Trim(answer, " "), "y")
} else {
return true
if ethereum.NatSpec && false /* disabled for now */ {
// notice := natspec.GetNotice(self.xeth, tx, ethereum.HTTPClient())
// fmt.Println(notice)
// answer, _ := self.Prompt("Confirm Transaction [y/n]")
// return strings.HasPrefix(strings.Trim(answer, " "), "y")
}
return true
}
func (self *jsre) UnlockAccount(addr []byte) bool {