diff options
Diffstat (limited to 'rpc/util.go')
-rw-r--r-- | rpc/util.go | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/rpc/util.go b/rpc/util.go new file mode 100644 index 000000000..509d9a17d --- /dev/null +++ b/rpc/util.go @@ -0,0 +1,102 @@ +/* + This file is part of go-ethereum + + go-ethereum is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + go-ethereum is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. +*/ +package rpc + +import ( + "encoding/json" + "io" + "net/http" + + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/state" +) + +var rpclogger = logger.NewLogger("RPC") + +type JsonWrapper struct{} + +func (self JsonWrapper) Send(writer io.Writer, v interface{}) (n int, err error) { + var payload []byte + payload, err = json.Marshal(v) + if err != nil { + rpclogger.Fatalln("Error marshalling JSON", err) + return 0, err + } + rpclogger.DebugDetailf("Sending payload: %s", payload) + + return writer.Write(payload) +} + +func (self JsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) { + var reqParsed RpcRequest + + // Convert JSON to native types + d := json.NewDecoder(req.Body) + // d.UseNumber() + defer req.Body.Close() + err := d.Decode(&reqParsed) + + if err != nil { + rpclogger.Errorln("Error decoding JSON: ", err) + return reqParsed, err + } + rpclogger.DebugDetailf("Parsed request: %s", reqParsed) + + return reqParsed, nil +} + +func toHex(b []byte) string { + return "0x" + ethutil.Bytes2Hex(b) +} +func fromHex(s string) []byte { + if len(s) > 1 { + if s[0:2] == "0x" { + s = s[2:] + } + return ethutil.Hex2Bytes(s) + } + return nil +} + +type RpcServer interface { + Start() + Stop() +} + +type Log struct { + Address string `json:"address"` + Topics []string `json:"topics"` + Data string `json:"data"` +} + +func toLogs(logs state.Logs) (ls []Log) { + ls = make([]Log, len(logs)) + + for i, log := range logs { + var l Log + l.Topics = make([]string, len(log.Topics())) + l.Address = toHex(log.Address()) + l.Data = toHex(log.Data()) + for j, topic := range log.Topics() { + l.Topics[j] = toHex(topic) + } + ls[i] = l + } + + return +} |