func StartRPC(exp *exp.Expanse, ctx *cli.Context) error {
config := comms.HttpConfig{
ListenAddress: ctx.GlobalString(RPCListenAddrFlag.Name),
ListenPort: uint(ctx.GlobalInt(RPCPortFlag.Name)),
CorsDomain: ctx.GlobalString(RPCCORSDomainFlag.Name),
}
xeth := xeth.New(exp, nil)
codec := codec.JSON
apis, err := api.ParseApiString(ctx.GlobalString(RpcApiFlag.Name), codec, xeth, exp)
if err != nil {
return err
}
return comms.StartHttp(config, codec, api.Merge(apis...))
}
func StartIPC(exp *exp.Expanse, ctx *cli.Context) error {
config := comms.IpcConfig{
Endpoint: IpcSocketPath(ctx),
}
initializer := func(conn net.Conn) (comms.Stopper, shared.ExpanseApi, error) {
fe := useragent.NewRemoteFrontend(conn, exp.AccountManager())
xeth := xeth.New(exp, fe)
apis, err := api.ParseApiString(ctx.GlobalString(IPCApiFlag.Name), codec.JSON, xeth, exp)
if err != nil {
return nil, nil, err
}
return xeth, api.Merge(apis...), nil
}
return comms.StartIpc(config, codec.JSON, initializer)
}
func newJSRE(expanse *exp.Expanse, docRoot, corsDomain string, client comms.ExpanseClient, interactive bool, f xeth.Frontend) *jsre {
js := &jsre{expanse: expanse, ps1: "> "}
// set default cors domain used by startRpc from CLI flag
js.corsDomain = corsDomain
if f == nil {
f = js
}
js.xeth = xeth.New(expanse, f)
js.wait = js.xeth.UpdateState()
js.client = client
if clt, ok := js.client.(*comms.InProcClient); ok {
if offeredApis, err := api.ParseApiString(shared.AllApis, codec.JSON, js.xeth, expanse); 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 {
utils.Fatalf("Unable to connect - %v", err)
}
if !liner.TerminalSupported() || !interactive {
js.prompter = dumbterm{bufio.NewReader(os.Stdin)}
} else {
lr := liner.NewLiner()
js.withHistory(expanse.DataDir, func(hist *os.File) { lr.ReadHistory(hist) })
lr.SetCtrlCAborts(true)
js.loadAutoCompletion()
lr.SetWordCompleter(apiWordCompleter)
lr.SetTabCompletionStyle(liner.TabPrints)
js.prompter = lr
js.atexit = func() {
js.withHistory(expanse.DataDir, func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) })
lr.Close()
close(js.wait)
}
}
return js
}
func (js *jsre) apiBindings(f xeth.Frontend) error {
apis, err := js.supportedApis()
if err != nil {
return err
}
apiNames := make([]string, 0, len(apis))
for a, _ := range apis {
apiNames = append(apiNames, a)
}
apiImpl, err := api.ParseApiString(strings.Join(apiNames, ","), codec.JSON, js.xeth, js.expanse)
if err != nil {
utils.Fatalf("Unable to determine supported api's: %v", err)
}
jeth := rpc.NewJeth(api.Merge(apiImpl...), js.re, js.client, f)
js.re.Set("jeth", struct{}{})
t, _ := js.re.Get("jeth")
jethObj := t.Object()
jethObj.Set("send", jeth.Send)
jethObj.Set("sendAsync", jeth.Send)
err = js.re.Compile("bignumber.js", re.BigNumber_JS)
if err != nil {
utils.Fatalf("Error loading bignumber.js: %v", err)
}
err = js.re.Compile("expanse.js", re.Web3_JS)
if err != nil {
utils.Fatalf("Error loading web3.js: %v", err)
}
_, err = js.re.Run("var web3 = require('web3');")
if err != nil {
utils.Fatalf("Error requiring web3: %v", err)
}
_, err = js.re.Run("web3.setProvider(jeth)")
if err != nil {
utils.Fatalf("Error setting web3 provider: %v", err)
}
// load only supported API's in javascript runtime
shortcuts := "var exp = web3.exp; "
for _, apiName := range apiNames {
if apiName == shared.Web3ApiName {
continue // manually mapped
}
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)
}
}
_, err = js.re.Run(shortcuts)
if err != nil {
utils.Fatalf("Error setting namespaces: %v", err)
}
js.re.Run(`var GlobalRegistrar = exp.contract(` + registrar.GlobalRegistrarAbi + `); registrar = GlobalRegistrar.at("` + registrar.GlobalRegistrarAddr + `");`)
return nil
}