167 lines
3.5 KiB
Go
167 lines
3.5 KiB
Go
package utils
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import (
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/websocket"
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"github.com/ethereum/go-ethereum/xeth"
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)
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var wslogger = logger.NewLogger("WS")
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func args(v ...interface{}) []interface{} {
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return v
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}
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type WebSocketServer struct {
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ethereum *eth.Ethereum
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filterCallbacks map[int][]int
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}
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func NewWebSocketServer(eth *eth.Ethereum) *WebSocketServer {
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return &WebSocketServer{eth, make(map[int][]int)}
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}
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func (self *WebSocketServer) Serv() {
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pipe := xeth.NewJSXEth(self.ethereum)
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wsServ := websocket.NewServer("/eth", ":40404")
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wsServ.MessageFunc(func(c *websocket.Client, msg *websocket.Message) {
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switch msg.Call {
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case "compile":
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data := ethutil.NewValue(msg.Args)
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bcode, err := ethutil.Compile(data.Get(0).Str(), false)
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if err != nil {
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c.Write(args(nil, err.Error()), msg.Seed)
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}
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code := ethutil.Bytes2Hex(bcode)
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c.Write(args(code, nil), msg.Seed)
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case "getBlockByNumber":
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args := msg.Arguments()
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block := pipe.BlockByNumber(int32(args.Get(0).Uint()))
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c.Write(block, msg.Seed)
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case "getKey":
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c.Write(pipe.Key().PrivateKey, msg.Seed)
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case "transact":
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if mp, ok := msg.Args[0].(map[string]interface{}); ok {
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object := mapToTxParams(mp)
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c.Write(
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args(pipe.Transact(object["from"], object["to"], object["value"], object["gas"], object["gasPrice"], object["data"])),
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msg.Seed,
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)
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}
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case "getCoinBase":
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c.Write(pipe.CoinBase(), msg.Seed)
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case "getIsListening":
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c.Write(pipe.IsListening(), msg.Seed)
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case "getIsMining":
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c.Write(pipe.IsMining(), msg.Seed)
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case "getPeerCoint":
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c.Write(pipe.PeerCount(), msg.Seed)
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case "getCountAt":
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args := msg.Arguments()
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c.Write(pipe.TxCountAt(args.Get(0).Str()), msg.Seed)
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case "getCodeAt":
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args := msg.Arguments()
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c.Write(len(pipe.CodeAt(args.Get(0).Str())), msg.Seed)
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case "getBlockByHash":
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args := msg.Arguments()
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c.Write(pipe.BlockByHash(args.Get(0).Str()), msg.Seed)
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case "getStorageAt":
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args := msg.Arguments()
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c.Write(pipe.StorageAt(args.Get(0).Str(), args.Get(1).Str()), msg.Seed)
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case "getBalanceAt":
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args := msg.Arguments()
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c.Write(pipe.BalanceAt(args.Get(0).Str()), msg.Seed)
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case "getSecretToAddress":
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args := msg.Arguments()
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c.Write(pipe.SecretToAddress(args.Get(0).Str()), msg.Seed)
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case "newFilter":
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case "newFilterString":
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case "messages":
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// TODO
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}
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})
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wsServ.Listen()
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}
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func StartWebSockets(eth *eth.Ethereum) {
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wslogger.Infoln("Starting WebSockets")
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sock := NewWebSocketServer(eth)
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go sock.Serv()
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}
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// TODO This is starting to become a generic method. Move to utils
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func mapToTxParams(object map[string]interface{}) map[string]string {
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// Default values
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if object["from"] == nil {
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object["from"] = ""
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}
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if object["to"] == nil {
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object["to"] = ""
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}
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if object["value"] == nil {
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object["value"] = ""
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}
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if object["gas"] == nil {
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object["gas"] = ""
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}
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if object["gasPrice"] == nil {
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object["gasPrice"] = ""
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}
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var dataStr string
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var data []string
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if str, ok := object["data"].(string); ok {
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data = []string{str}
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}
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for _, str := range data {
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if ethutil.IsHex(str) {
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str = str[2:]
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if len(str) != 64 {
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str = ethutil.LeftPadString(str, 64)
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}
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} else {
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str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
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}
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dataStr += str
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}
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object["data"] = dataStr
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conv := make(map[string]string)
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for key, value := range object {
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if v, ok := value.(string); ok {
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conv[key] = v
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}
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}
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return conv
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}
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