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rpc

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- camelcase fields dont play nice with otto value magic: JsonRpc -> Jsonrpc, ID -> Id
- jeth: ethereum.js rpc transport provider direct bridge between js and ethereumApi via otto jsre
This commit is contained in:
zelig 2015-03-15 13:21:54 +07:00
parent 31ffca6d8a
commit 16ecb1e2ea
3 changed files with 56 additions and 13 deletions
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14
rpc/http.go
View File

@ -26,7 +26,7 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
if req.ContentLength > maxSizeReqLength {
jsonerr := &RpcErrorObject{-32700, "Request too large"}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
return
}
@ -36,11 +36,11 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
break
case *DecodeParamError, *InsufficientParamsError, *ValidationError:
jsonerr := &RpcErrorObject{-32602, reqerr.Error()}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
return
default:
jsonerr := &RpcErrorObject{-32700, "Could not parse request"}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
return
}
@ -51,19 +51,19 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
break
case *NotImplementedError:
jsonerr := &RpcErrorObject{-32601, reserr.Error()}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
return
case *DecodeParamError, *InsufficientParamsError, *ValidationError:
jsonerr := &RpcErrorObject{-32602, reserr.Error()}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
return
default:
jsonerr := &RpcErrorObject{-32603, reserr.Error()}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
return
}
rpchttplogger.DebugDetailf("Generated response: %T %s", response, response)
json.Send(w, &RpcSuccessResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Result: response})
json.Send(w, &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Result: response})
})
}

43
rpc/jeth.go Normal file
View File

@ -0,0 +1,43 @@
package rpc
import (
"encoding/json"
// "fmt"
"github.com/obscuren/otto"
)
type Jeth struct {
ethApi *EthereumApi
toVal func(interface{}) otto.Value
}
func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value) *Jeth {
return &Jeth{ethApi, toVal}
}
func (self *Jeth) err(code int, msg string, id interface{}) otto.Value {
rpcerr := &RpcErrorObject{code, msg}
rpcresponse := &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: rpcerr}
return self.toVal(rpcresponse)
}
func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
reqif, err := call.Argument(0).Export()
if err != nil {
return self.err(-32700, err.Error(), nil)
}
jsonreq, err := json.Marshal(reqif)
var req RpcRequest
err = json.Unmarshal(jsonreq, &req)
var respif interface{}
err = self.ethApi.GetRequestReply(&req, &respif)
if err != nil {
return self.err(-32603, err.Error(), req.Id)
}
rpcresponse := &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: req.Id, Result: respif}
response = self.toVal(rpcresponse)
return
}

12
rpc/messages.go
View File

@ -83,21 +83,21 @@ func NewValidationError(param string, msg string) error {
}
type RpcRequest struct {
ID interface{} `json:"id"`
JsonRpc string `json:"jsonrpc"`
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Method string `json:"method"`
Params json.RawMessage `json:"params"`
}
type RpcSuccessResponse struct {
ID interface{} `json:"id"`
JsonRpc string `json:"jsonrpc"`
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Result interface{} `json:"result"`
}
type RpcErrorResponse struct {
ID interface{} `json:"id"`
JsonRpc string `json:"jsonrpc"`
Id interface{} `json:"id"`
Jsonrpc string `json:"jsonrpc"`
Error *RpcErrorObject `json:"error"`
}