diff --git a/eth/backend.go b/eth/backend.go
index 6fd211b352ddcda16d334302b45dc361812e73b3..bb203b4a6f1c40141b557e95b63eaf2c5b6e9ac2 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -131,6 +131,7 @@ type Ethereum struct {
Mining bool
DataDir string
+ version string
}
func New(config *Config) (*Ethereum, error) {
@@ -165,6 +166,7 @@ func New(config *Config) (*Ethereum, error) {
logger: servlogger,
accountManager: config.AccountManager,
DataDir: config.DataDir,
+ version: config.Name, // TODO should separate from Name
}
eth.chainManager = core.NewChainManager(blockDb, stateDb, eth.EventMux())
@@ -236,6 +238,7 @@ func (s *Ethereum) IsListening() bool { return true } // Alwa
func (s *Ethereum) PeerCount() int { return s.net.PeerCount() }
func (s *Ethereum) Peers() []*p2p.Peer { return s.net.Peers() }
func (s *Ethereum) MaxPeers() int { return s.net.MaxPeers }
+func (s *Ethereum) Version() string { return s.version }
// Start the ethereum
func (s *Ethereum) Start() error {
diff --git a/rpc/api.go b/rpc/api.go
index b94d2d6dc1a4fe4bd9ca88ddf9636537f321b258..af9f105309cf50b1236c74d8af450a0d25fddb1a 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -176,7 +176,7 @@ func (self *EthereumApi) UninstallFilter(id int, reply *interface{}) error {
return nil
}
-func (self *EthereumApi) NewFilterString(args string, reply *interface{}) error {
+func (self *EthereumApi) NewFilterString(args *FilterStringArgs, reply *interface{}) error {
var id int
filter := core.NewFilter(self.xeth().Backend())
@@ -186,10 +186,14 @@ func (self *EthereumApi) NewFilterString(args string, reply *interface{}) error
self.logs[id].add(&state.StateLog{})
}
- if args == "pending" {
+
+ switch args.Word {
+ case "pending":
filter.PendingCallback = callback
- } else if args == "chain" {
+ case "latest":
filter.BlockCallback = callback
+ default:
+ return NewValidationError("Word", "Must be `latest` or `pending`")
}
id = self.filterManager.InstallFilter(filter)
@@ -477,6 +481,10 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
*reply = toHex(crypto.Sha3(fromHex(args.Data)))
+ case "web3_clientVersion":
+ *reply = p.xeth().Backend().Version()
+ case "net_version":
+ return NewNotImplementedError(req.Method)
case "net_listening":
*reply = p.xeth().IsListening()
case "net_peerCount":
@@ -578,7 +586,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
}
return p.Call(args, reply)
case "eth_flush":
- return errNotImplemented
+ return NewNotImplementedError(req.Method)
case "eth_getBlockByHash":
args := new(GetBlockByHashArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -618,7 +626,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
if args.Index > int64(len(v.Transactions)) || args.Index < 0 {
- return NewErrorWithMessage(errDecodeArgs, "Transaction index does not exist")
+ return NewValidationError("Index", "does not exist")
}
*reply = v.Transactions[args.Index]
case "eth_getTransactionByBlockNumberAndIndex":
@@ -632,7 +640,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
if args.Index > int64(len(v.Transactions)) || args.Index < 0 {
- return NewErrorWithMessage(errDecodeArgs, "Transaction index does not exist")
+ return NewValidationError("Index", "does not exist")
}
*reply = v.Transactions[args.Index]
case "eth_getUncleByBlockHashAndIndex":
@@ -646,7 +654,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
if args.Index > int64(len(v.Uncles)) || args.Index < 0 {
- return NewErrorWithMessage(errDecodeArgs, "Uncle index does not exist")
+ return NewValidationError("Index", "does not exist")
}
uncle, err := p.GetBlockByHash(toHex(v.Uncles[args.Index]), false)
@@ -665,7 +673,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
if args.Index > int64(len(v.Uncles)) || args.Index < 0 {
- return NewErrorWithMessage(errDecodeArgs, "Uncle index does not exist")
+ return NewValidationError("Index", "does not exist")
}
uncle, err := p.GetBlockByHash(toHex(v.Uncles[args.Index]), false)
@@ -675,10 +683,8 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
*reply = uncle
case "eth_getCompilers":
return p.GetCompilers(reply)
- case "eth_compileSolidity":
- case "eth_compileLLL":
- case "eth_compileSerpent":
- return errNotImplemented
+ case "eth_compileSolidity", "eth_compileLLL", "eth_compileSerpent":
+ return NewNotImplementedError(req.Method)
case "eth_newFilter":
args := new(FilterOptions)
if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -690,7 +696,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
- return p.NewFilterString(args.Word, reply)
+ return p.NewFilterString(args, reply)
case "eth_uninstallFilter":
args := new(FilterIdArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -715,21 +721,22 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
return p.AllLogs(args, reply)
- case "eth_getWork":
- case "eth_submitWork":
- return errNotImplemented
- case "db_put":
+ case "eth_getWork", "eth_submitWork":
+ return NewNotImplementedError(req.Method)
+ case "db_putString":
args := new(DbArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
return p.DbPut(args, reply)
- case "db_get":
+ case "db_getString":
args := new(DbArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
return p.DbGet(args, reply)
+ case "db_putHex", "db_getHex":
+ return NewNotImplementedError(req.Method)
case "shh_post":
args := new(WhisperMessageArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -744,9 +751,8 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
return p.HasWhisperIdentity(args.Identity, reply)
- case "shh_newGroup":
- case "shh_addToGroup":
- return errNotImplemented
+ case "shh_newGroup", "shh_addToGroup":
+ return NewNotImplementedError(req.Method)
case "shh_newFilter":
args := new(WhisperFilterArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -790,7 +796,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
// }
// return p.WatchTx(args, reply)
default:
- return NewErrorWithMessage(errNotImplemented, req.Method)
+ return NewNotImplementedError(req.Method)
}
rpclogger.DebugDetailf("Reply: %T %s", reply, reply)
diff --git a/rpc/args.go b/rpc/args.go
index faca03b63c2d9bfda61ca18e5d8d3434c86d3d19..b935c50071d9e4c9423e01ebd622329335efe867 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -11,7 +11,7 @@ import (
func blockNumber(raw json.RawMessage, number *int64) (err error) {
var str string
if err = json.Unmarshal(raw, &str); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
switch str {
@@ -34,16 +34,16 @@ func (args *GetBlockByHashArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
argstr, ok := obj[0].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("BlockHash not a string")
}
args.BlockHash = argstr
@@ -63,11 +63,11 @@ func (args *GetBlockByNumberArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
if v, ok := obj[0].(float64); ok {
@@ -117,7 +117,7 @@ type GetStorageArgs struct {
func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
return nil
@@ -125,7 +125,7 @@ func (args *GetStorageArgs) UnmarshalJSON(b []byte) (err error) {
func (args *GetStorageArgs) requirements() error {
if len(args.Address) == 0 {
- return NewErrorWithMessage(errArguments, "Address cannot be blank")
+ return NewValidationError("Address", "cannot be blank")
}
return nil
}
@@ -139,10 +139,10 @@ type GetStorageAtArgs struct {
func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
var obj []string
if err = UnmarshalRawMessages(b, &obj, &args.BlockNumber); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 2 {
- return errDecodeArgs
+ return NewInsufficientParamsError(len(obj), 2)
}
args.Address = obj[0]
@@ -153,11 +153,11 @@ func (args *GetStorageAtArgs) UnmarshalJSON(b []byte) (err error) {
func (args *GetStorageAtArgs) requirements() error {
if len(args.Address) == 0 {
- return NewErrorWithMessage(errArguments, "Address cannot be blank")
+ return NewValidationError("Address", "cannot be blank")
}
if len(args.Key) == 0 {
- return NewErrorWithMessage(errArguments, "Key cannot be blank")
+ return NewValidationError("Key", "cannot be blank")
}
return nil
}
@@ -169,7 +169,7 @@ type GetTxCountArgs struct {
func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
return nil
@@ -177,7 +177,7 @@ func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
func (args *GetTxCountArgs) requirements() error {
if len(args.Address) == 0 {
- return NewErrorWithMessage(errArguments, "Address cannot be blank")
+ return NewValidationError("Address", "cannot be blank")
}
return nil
}
@@ -191,16 +191,16 @@ func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
addstr, ok := obj[0].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("Address is not a string")
}
args.Address = addstr
@@ -213,7 +213,7 @@ func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
}
// if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
- // return errDecodeArgs
+ // return NewDecodeParamError(err.Error())
// }
return nil
@@ -221,7 +221,7 @@ func (args *GetBalanceArgs) UnmarshalJSON(b []byte) (err error) {
func (args *GetBalanceArgs) requirements() error {
if len(args.Address) == 0 {
- return NewErrorWithMessage(errArguments, "Address cannot be blank")
+ return NewValidationError("Address", "cannot be blank")
}
return nil
}
@@ -233,7 +233,7 @@ type GetDataArgs struct {
func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
if err = UnmarshalRawMessages(b, &args.Address, &args.BlockNumber); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
return nil
@@ -241,7 +241,7 @@ func (args *GetDataArgs) UnmarshalJSON(b []byte) (err error) {
func (args *GetDataArgs) requirements() error {
if len(args.Address) == 0 {
- return NewErrorWithMessage(errArguments, "Address cannot be blank")
+ return NewValidationError("Address", "cannot be blank")
}
return nil
}
@@ -255,23 +255,23 @@ func (args *BlockNumIndexArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
arg0, ok := obj[0].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("BlockNumber is not string")
}
args.BlockNumber = ethutil.Big(arg0).Int64()
if len(obj) > 1 {
arg1, ok := obj[1].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("Index not a string")
}
args.Index = ethutil.Big(arg1).Int64()
}
@@ -288,23 +288,23 @@ func (args *HashIndexArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
arg0, ok := obj[0].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("Hash not a string")
}
args.Hash = arg0
if len(obj) > 1 {
arg1, ok := obj[1].(string)
if !ok {
- return errDecodeArgs
+ return NewDecodeParamError("Index not a string")
}
args.Index = ethutil.Big(arg1).Int64()
}
@@ -320,11 +320,11 @@ func (args *Sha3Args) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return NewErrorWithMessage(errDecodeArgs, err.Error())
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
args.Data = obj[0].(string)
@@ -387,12 +387,13 @@ func (args *FilterOptions) UnmarshalJSON(b []byte) (err error) {
}
if err = json.Unmarshal(b, &obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
+
args.Earliest = int64(ethutil.Big(obj[0].FromBlock).Int64())
args.Latest = int64(ethutil.Big(obj[0].ToBlock).Int64())
args.Max = int(ethutil.Big(obj[0].Limit).Int64())
@@ -417,11 +418,11 @@ func (args *DbArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 2 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 2)
}
args.Database = obj[0].(string)
args.Key = obj[1].(string)
@@ -435,10 +436,10 @@ func (args *DbArgs) UnmarshalJSON(b []byte) (err error) {
func (a *DbArgs) requirements() error {
if len(a.Database) == 0 {
- return NewErrorWithMessage(errArguments, "Database cannot be blank")
+ return NewValidationError("Database", "cannot be blank")
}
if len(a.Key) == 0 {
- return NewErrorWithMessage(errArguments, "Key cannot be blank")
+ return NewValidationError("Key", "cannot be blank")
}
return nil
}
@@ -463,11 +464,11 @@ func (args *WhisperMessageArgs) UnmarshalJSON(b []byte) (err error) {
}
if err = json.Unmarshal(b, &obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
args.Payload = obj[0].Payload
args.To = obj[0].To
@@ -487,7 +488,7 @@ func (args *CompileArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) > 0 {
@@ -502,17 +503,22 @@ type FilterStringArgs struct {
}
func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
- var obj []string
+ var obj []interface{}
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errDecodeArgs
+ return NewInsufficientParamsError(len(obj), 1)
}
- args.Word = obj[0]
+ var argstr string
+ argstr, ok := obj[0].(string)
+ if !ok {
+ return NewDecodeParamError("Filter is not a string")
+ }
+ args.Word = argstr
return nil
}
@@ -525,11 +531,11 @@ func (args *FilterIdArgs) UnmarshalJSON(b []byte) (err error) {
var obj []string
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errDecodeArgs
+ return NewInsufficientParamsError(len(obj), 1)
}
args.Id = int(ethutil.Big(obj[0]).Int64())
@@ -545,11 +551,11 @@ func (args *WhisperIdentityArgs) UnmarshalJSON(b []byte) (err error) {
var obj []string
r := bytes.NewReader(b)
if err := json.NewDecoder(r).Decode(&obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errDecodeArgs
+ return NewInsufficientParamsError(len(obj), 1)
}
args.Identity = obj[0]
@@ -571,11 +577,11 @@ func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
}
if err = json.Unmarshal(b, &obj); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
- return errArguments
+ return NewInsufficientParamsError(len(obj), 1)
}
args.To = obj[0].To
@@ -584,3 +590,31 @@ func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
return nil
}
+
+// func (req *RpcRequest) ToRegisterArgs() (string, error) {
+// if len(req.Params) < 1 {
+// return "", errArguments
+// }
+
+// var args string
+// err := json.Unmarshal(req.Params, &args)
+// if err != nil {
+// return "", err
+// }
+
+// return args, nil
+// }
+
+// func (req *RpcRequest) ToWatchTxArgs() (string, error) {
+// if len(req.Params) < 1 {
+// return "", errArguments
+// }
+
+// var args string
+// err := json.Unmarshal(req.Params, &args)
+// if err != nil {
+// return "", err
+// }
+
+// return args, nil
+// }
diff --git a/rpc/http.go b/rpc/http.go
index 857cf32210f4802c2eb08d054aab19c2a974f7fd..8dcd55ad1999f79d6b5ee0671fbc87da0cda199a 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -25,22 +25,39 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
rpchttplogger.DebugDetailln("Handling request")
if req.ContentLength > maxSizeReqLength {
- jsonerr := &RpcErrorObject{-32700, "Error: Request too large"}
+ jsonerr := &RpcErrorObject{-32700, "Request too large"}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
return
}
reqParsed, reqerr := json.ParseRequestBody(req)
- if reqerr != nil {
- jsonerr := &RpcErrorObject{-32700, "Error: Could not parse request"}
+ switch reqerr.(type) {
+ case nil:
+ break
+ case *DecodeParamError, *InsufficientParamsError, *ValidationError:
+ jsonerr := &RpcErrorObject{-32602, reqerr.Error()}
+ 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})
return
}
var response interface{}
reserr := api.GetRequestReply(&reqParsed, &response)
- if reserr != nil {
- rpchttplogger.Warnln(reserr)
+ switch reserr.(type) {
+ case nil:
+ break
+ case *NotImplementedError:
+ jsonerr := &RpcErrorObject{-32601, reserr.Error()}
+ 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})
+ return
+ default:
jsonerr := &RpcErrorObject{-32603, reserr.Error()}
json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
return
diff --git a/rpc/messages.go b/rpc/messages.go
index a3ebbf330c9c2d138c6e3bd5cde94579ecfb38c3..781394196ff827a098751012b574fbbad6298389 100644
--- a/rpc/messages.go
+++ b/rpc/messages.go
@@ -18,16 +18,69 @@ package rpc
import (
"encoding/json"
- "errors"
"fmt"
)
-var (
- errArguments = errors.New("Error: Insufficient arguments")
- errNotImplemented = errors.New("Error: Method not implemented")
- errUnknown = errors.New("Error: Unknown error")
- errDecodeArgs = errors.New("Error: Could not decode arguments")
-)
+type InsufficientParamsError struct {
+ have int
+ want int
+}
+
+func (e *InsufficientParamsError) Error() string {
+ return fmt.Sprintf("insufficient params, want %d have %d", e.want, e.have)
+}
+
+func NewInsufficientParamsError(have int, want int) *InsufficientParamsError {
+ return &InsufficientParamsError{
+ have: have,
+ want: want,
+ }
+}
+
+type NotImplementedError struct {
+ Method string
+}
+
+func (e *NotImplementedError) Error() string {
+ return fmt.Sprintf("%s method not implemented", e.Method)
+}
+
+func NewNotImplementedError(method string) *NotImplementedError {
+ return &NotImplementedError{
+ Method: method,
+ }
+}
+
+type DecodeParamError struct {
+ err string
+}
+
+func (e *DecodeParamError) Error() string {
+ return fmt.Sprintf("could not decode, %s", e.err)
+
+}
+
+func NewDecodeParamError(errstr string) error {
+ return &DecodeParamError{
+ err: errstr,
+ }
+}
+
+type ValidationError struct {
+ ParamName string
+ msg string
+}
+
+func (e *ValidationError) Error() string {
+ return fmt.Sprintf("%s not valid, %s", e.ParamName, e.msg)
+}
+
+func NewValidationError(param string, msg string) error {
+ return &ValidationError{
+ ParamName: param,
+ msg: msg,
+ }
+}
type RpcRequest struct {
ID interface{} `json:"id"`
@@ -53,35 +106,3 @@ type RpcErrorObject struct {
Message string `json:"message"`
// Data interface{} `json:"data"`
}
-
-func NewErrorWithMessage(err error, msg string) error {
- return fmt.Errorf("%s: %s", err.Error(), msg)
-}
-
-// func (req *RpcRequest) ToRegisterArgs() (string, error) {
-// if len(req.Params) < 1 {
-// return "", errArguments
-// }
-
-// var args string
-// err := json.Unmarshal(req.Params, &args)
-// if err != nil {
-// return "", err
-// }
-
-// return args, nil
-// }
-
-// func (req *RpcRequest) ToWatchTxArgs() (string, error) {
-// if len(req.Params) < 1 {
-// return "", errArguments
-// }
-
-// var args string
-// err := json.Unmarshal(req.Params, &args)
-// if err != nil {
-// return "", err
-// }
-
-// return args, nil
-// }
diff --git a/rpc/util.go b/rpc/util.go
index 8ff3c6d3155ce01186163be4d0d073ff6d8a7232..573190e597a7debb86b5802bb5ed46bc89ec575a 100644
--- a/rpc/util.go
+++ b/rpc/util.go
@@ -42,7 +42,7 @@ type JsonWrapper struct{}
func UnmarshalRawMessages(b []byte, iface interface{}, number *int64) (err error) {
var data []json.RawMessage
if err = json.Unmarshal(b, &data); err != nil && len(data) == 0 {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
// Number index determines the index in the array for a possible block number
@@ -74,7 +74,7 @@ func UnmarshalRawMessages(b []byte, iface interface{}, number *int64) (err error
fallthrough
default:
if err = json.Unmarshal(data[0], iface); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
numberIndex = 1
}
@@ -82,7 +82,7 @@ func UnmarshalRawMessages(b []byte, iface interface{}, number *int64) (err error
// <0 index means out of bound for block number
if numberIndex >= 0 && len(data) > numberIndex {
if err = blockNumber(data[numberIndex], number); err != nil {
- return errDecodeArgs
+ return NewDecodeParamError(err.Error())
}
}
diff --git a/xeth/xeth.go b/xeth/xeth.go
index 3e8c544c6d135b9ac1703886ce5c017f09a31e2d..4e8b479c6e406d9c40ff85175a4e6b59a6636e81 100644
--- a/xeth/xeth.go
+++ b/xeth/xeth.go
@@ -39,6 +39,7 @@ type Backend interface {
IsMining() bool
StartMining() error
StopMining()
+ Version() string
}
// Frontend should be implemented by users of XEth. Its methods are