|
| 1 | +package utils |
| 2 | + |
| 3 | +import ( |
| 4 | + "github.com/ethereum/eth-go" |
| 5 | + "github.com/ethereum/eth-go/ethpipe" |
| 6 | + "github.com/ethereum/eth-go/ethutil" |
| 7 | + "github.com/ethereum/eth-go/websocket" |
| 8 | +) |
| 9 | + |
| 10 | +func args(v ...interface{}) []interface{} { |
| 11 | + return v |
| 12 | +} |
| 13 | + |
| 14 | +type WebSocketServer struct { |
| 15 | + ethereum *eth.Ethereum |
| 16 | + filterCallbacks map[int][]int |
| 17 | +} |
| 18 | + |
| 19 | +func NewWebSocketServer(eth *eth.Ethereum) *WebSocketServer { |
| 20 | + return &WebSocketServer{eth, make(map[int][]int)} |
| 21 | +} |
| 22 | + |
| 23 | +func (self *WebSocketServer) Serv() { |
| 24 | + pipe := ethpipe.NewJSPipe(self.ethereum) |
| 25 | + |
| 26 | + wsServ := websocket.NewServer("/eth", ":40404") |
| 27 | + wsServ.MessageFunc(func(c *websocket.Client, msg *websocket.Message) { |
| 28 | + switch msg.Call { |
| 29 | + case "compile": |
| 30 | + data := ethutil.NewValue(msg.Args) |
| 31 | + bcode, err := ethutil.Compile(data.Get(0).Str(), false) |
| 32 | + if err != nil { |
| 33 | + c.Write(args(nil, err.Error()), msg.Seed) |
| 34 | + } |
| 35 | + |
| 36 | + code := ethutil.Bytes2Hex(bcode) |
| 37 | + c.Write(args(code, nil), msg.Seed) |
| 38 | + case "getBlockByNumber": |
| 39 | + args := msg.Arguments() |
| 40 | + |
| 41 | + block := pipe.BlockByNumber(int32(args.Get(0).Uint())) |
| 42 | + c.Write(block, msg.Seed) |
| 43 | + |
| 44 | + case "getKey": |
| 45 | + c.Write(pipe.Key().PrivateKey, msg.Seed) |
| 46 | + case "transact": |
| 47 | + if mp, ok := msg.Args[0].(map[string]interface{}); ok { |
| 48 | + object := mapToTxParams(mp) |
| 49 | + c.Write( |
| 50 | + args(pipe.Transact(object["from"], object["to"], object["value"], object["gas"], object["gasPrice"], object["data"])), |
| 51 | + msg.Seed, |
| 52 | + ) |
| 53 | + |
| 54 | + } |
| 55 | + case "getCoinBase": |
| 56 | + c.Write(pipe.CoinBase(), msg.Seed) |
| 57 | + |
| 58 | + case "getIsListening": |
| 59 | + c.Write(pipe.IsListening(), msg.Seed) |
| 60 | + |
| 61 | + case "getIsMining": |
| 62 | + c.Write(pipe.IsMining(), msg.Seed) |
| 63 | + |
| 64 | + case "getPeerCoint": |
| 65 | + c.Write(pipe.PeerCount(), msg.Seed) |
| 66 | + |
| 67 | + case "getCountAt": |
| 68 | + args := msg.Arguments() |
| 69 | + |
| 70 | + c.Write(pipe.TxCountAt(args.Get(0).Str()), msg.Seed) |
| 71 | + |
| 72 | + case "getCodeAt": |
| 73 | + args := msg.Arguments() |
| 74 | + |
| 75 | + c.Write(len(pipe.CodeAt(args.Get(0).Str())), msg.Seed) |
| 76 | + |
| 77 | + case "getBlockByHash": |
| 78 | + args := msg.Arguments() |
| 79 | + |
| 80 | + c.Write(pipe.BlockByHash(args.Get(0).Str()), msg.Seed) |
| 81 | + |
| 82 | + case "getStorageAt": |
| 83 | + args := msg.Arguments() |
| 84 | + |
| 85 | + c.Write(pipe.StorageAt(args.Get(0).Str(), args.Get(1).Str()), msg.Seed) |
| 86 | + |
| 87 | + case "getBalanceAt": |
| 88 | + args := msg.Arguments() |
| 89 | + |
| 90 | + c.Write(pipe.BalanceAt(args.Get(0).Str()), msg.Seed) |
| 91 | + |
| 92 | + case "getSecretToAddress": |
| 93 | + args := msg.Arguments() |
| 94 | + |
| 95 | + c.Write(pipe.SecretToAddress(args.Get(0).Str()), msg.Seed) |
| 96 | + |
| 97 | + case "newFilter": |
| 98 | + case "newFilterString": |
| 99 | + case "messages": |
| 100 | + // TODO |
| 101 | + } |
| 102 | + |
| 103 | + }) |
| 104 | + |
| 105 | + wsServ.Listen() |
| 106 | +} |
| 107 | + |
| 108 | +func StartWebSockets(eth *eth.Ethereum) { |
| 109 | + sock := NewWebSocketServer(eth) |
| 110 | + go sock.Serv() |
| 111 | +} |
| 112 | + |
| 113 | +// TODO This is starting to become a generic method. Move to utils |
| 114 | +func mapToTxParams(object map[string]interface{}) map[string]string { |
| 115 | + // Default values |
| 116 | + if object["from"] == nil { |
| 117 | + object["from"] = "" |
| 118 | + } |
| 119 | + if object["to"] == nil { |
| 120 | + object["to"] = "" |
| 121 | + } |
| 122 | + if object["value"] == nil { |
| 123 | + object["value"] = "" |
| 124 | + } |
| 125 | + if object["gas"] == nil { |
| 126 | + object["gas"] = "" |
| 127 | + } |
| 128 | + if object["gasPrice"] == nil { |
| 129 | + object["gasPrice"] = "" |
| 130 | + } |
| 131 | + |
| 132 | + var dataStr string |
| 133 | + var data []string |
| 134 | + if str, ok := object["data"].(string); ok { |
| 135 | + data = []string{str} |
| 136 | + } |
| 137 | + |
| 138 | + for _, str := range data { |
| 139 | + if ethutil.IsHex(str) { |
| 140 | + str = str[2:] |
| 141 | + |
| 142 | + if len(str) != 64 { |
| 143 | + str = ethutil.LeftPadString(str, 64) |
| 144 | + } |
| 145 | + } else { |
| 146 | + str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32)) |
| 147 | + } |
| 148 | + |
| 149 | + dataStr += str |
| 150 | + } |
| 151 | + object["data"] = dataStr |
| 152 | + |
| 153 | + conv := make(map[string]string) |
| 154 | + for key, value := range object { |
| 155 | + if v, ok := value.(string); ok { |
| 156 | + conv[key] = v |
| 157 | + } |
| 158 | + } |
| 159 | + |
| 160 | + return conv |
| 161 | +} |
0 commit comments