diff options
Diffstat (limited to 'rpc/message.go')
-rw-r--r-- | rpc/message.go | 332 |
1 files changed, 324 insertions, 8 deletions
diff --git a/rpc/message.go b/rpc/message.go index c8103eded..26fac9d37 100644 --- a/rpc/message.go +++ b/rpc/message.go @@ -1,14 +1,330 @@ +/* + 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 "github.com/ethereum/go-ethereum/ethutil" +import ( + "bytes" + "encoding/json" + "errors" + "fmt" + + "github.com/ethereum/go-ethereum/xeth" +) + +const ( + ErrorArguments = "Error: Insufficient arguments" + ErrorNotImplemented = "Error: Method not implemented" + ErrorUnknown = "Error: Unknown error" + ErrorParseRequest = "Error: Could not parse request" + ErrorDecodeArgs = "Error: Could not decode arguments" +) + +type ErrorResponse struct { + Error bool `json:"error"` + ErrorText string `json:"errorText"` +} + +type RpcSuccessResponse struct { + ID int `json:"id"` + JsonRpc string `json:"jsonrpc"` + Error bool `json:"error"` + Result interface{} `json:"result"` +} + +type RpcErrorResponse struct { + ID int `json:"id"` + JsonRpc string `json:"jsonrpc"` + Error bool `json:"error"` + ErrorText string `json:"errortext"` +} + +type RpcRequest struct { + JsonRpc string `json:"jsonrpc"` + ID int `json:"id"` + Method string `json:"method"` + Params []json.RawMessage `json:"params"` +} + +func NewErrorResponse(msg string) error { + return errors.New(msg) +} + +func NewErrorResponseWithError(msg string, err error) error { + return fmt.Errorf("%s: %v", msg, err) +} + +func (req *RpcRequest) ToSha3Args() (*Sha3Args, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(Sha3Args) + r := bytes.NewReader(req.Params[0]) + if err := json.NewDecoder(r).Decode(args); err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToGetBlockArgs() (*GetBlockArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(GetBlockArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToNewTxArgs() (*NewTxArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(NewTxArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToPushTxArgs() (*PushTxArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(PushTxArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToGetStateArgs() (*GetStateArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(GetStateArgs) + // TODO need to pass both arguments + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToStorageAtArgs() (*GetStorageArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } -type Message struct { - Call string `json:"call"` - Args []interface{} `json:"args"` - Id int `json:"_id"` - Data interface{} `json:"data"` + args := new(GetStorageArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil } -func (self *Message) Arguments() *ethutil.Value { - return ethutil.NewValue(self.Args) +func (req *RpcRequest) ToGetTxCountArgs() (*GetTxCountArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(GetTxCountArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToGetBalanceArgs() (*GetBalanceArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(GetBalanceArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToGetCodeAtArgs() (*GetCodeAtArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(GetCodeAtArgs) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToFilterArgs() (*FilterOptions, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + args := new(FilterOptions) + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(args) + if err != nil { + return nil, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil +} + +func (req *RpcRequest) ToFilterChangedArgs() (int, error) { + if len(req.Params) < 1 { + return 0, NewErrorResponse(ErrorArguments) + } + + var id int + r := bytes.NewReader(req.Params[0]) + err := json.NewDecoder(r).Decode(&id) + if err != nil { + return 0, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", id, id) + return id, nil +} + +func (req *RpcRequest) ToDbPutArgs() (*DbArgs, error) { + if len(req.Params) < 3 { + return nil, NewErrorResponse(ErrorArguments) + } + + var args DbArgs + err := json.Unmarshal(req.Params[0], &args.Database) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + err = json.Unmarshal(req.Params[1], &args.Key) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + err = json.Unmarshal(req.Params[2], &args.Value) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + rpclogger.DebugDetailf("%T %v", args, args) + return &args, nil +} + +func (req *RpcRequest) ToDbGetArgs() (*DbArgs, error) { + if len(req.Params) < 2 { + return nil, NewErrorResponse(ErrorArguments) + } + + var args DbArgs + err := json.Unmarshal(req.Params[0], &args.Database) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + + err = json.Unmarshal(req.Params[1], &args.Key) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + rpclogger.DebugDetailf("%T %v", args, args) + return &args, nil +} + +func (req *RpcRequest) ToWhisperFilterArgs() (*xeth.Options, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + var args xeth.Options + err := json.Unmarshal(req.Params[0], &args) + if err != nil { + return nil, NewErrorResponseWithError(ErrorDecodeArgs, err) + } + rpclogger.DebugDetailf("%T %v", args, args) + return &args, nil +} + +func (req *RpcRequest) ToWhisperIdArgs() (int, error) { + if len(req.Params) < 1 { + return 0, NewErrorResponse(ErrorArguments) + } + + var id int + err := json.Unmarshal(req.Params[0], &id) + if err != nil { + return 0, NewErrorResponse(ErrorDecodeArgs) + } + rpclogger.DebugDetailf("%T %v", id, id) + return id, nil +} + +func (req *RpcRequest) ToWhisperPostArgs() (*WhisperMessageArgs, error) { + if len(req.Params) < 1 { + return nil, NewErrorResponse(ErrorArguments) + } + + var args WhisperMessageArgs + err := json.Unmarshal(req.Params[0], &args) + if err != nil { + return nil, err + } + rpclogger.DebugDetailf("%T %v", args, args) + return &args, nil +} + +func (req *RpcRequest) ToWhisperHasIdentityArgs() (string, error) { + if len(req.Params) < 1 { + return "", NewErrorResponse(ErrorArguments) + } + + var args string + err := json.Unmarshal(req.Params[0], &args) + if err != nil { + return "", err + } + rpclogger.DebugDetailf("%T %v", args, args) + return args, nil } |