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author | Bas van Kervel <basvankervel@ziggo.nl> | 2015-06-08 18:43:58 +0800 |
---|---|---|
committer | Bas van Kervel <basvankervel@gmail.com> | 2015-06-11 20:01:39 +0800 |
commit | a1a475fb9296e214292840d89811123292c7953c (patch) | |
tree | be92dc0faa0f62276fbb6b1fef529cec8280a12c /rpc | |
parent | 2a0d888326036be9cabe6680617ce2d1a27761d3 (diff) | |
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added console command
Diffstat (limited to 'rpc')
-rw-r--r-- | rpc/api/api.go | 14 | ||||
-rw-r--r-- | rpc/api/eth.go | 4 | ||||
-rw-r--r-- | rpc/api/mergedapi.go | 56 | ||||
-rw-r--r-- | rpc/api/mergedapi_js.go | 1 | ||||
-rw-r--r-- | rpc/api/utils.go | 47 | ||||
-rw-r--r-- | rpc/api/web3.go | 84 | ||||
-rw-r--r-- | rpc/api/web3_args.go | 5 | ||||
-rw-r--r-- | rpc/jeth.go | 63 |
8 files changed, 213 insertions, 61 deletions
diff --git a/rpc/api/api.go b/rpc/api/api.go index 93dc3058c..153c73f48 100644 --- a/rpc/api/api.go +++ b/rpc/api/api.go @@ -4,14 +4,26 @@ import "github.com/ethereum/go-ethereum/rpc/shared" const ( // List with all API's which are offered over the IPC interface by default - DefaultIpcApis = "eth" + DefaultIpcApis = "eth,web3" + + EthApiName = "eth" + MergedApiName = "merged" + Web3ApiName = "web3" ) // Ethereum RPC API interface type EthereumApi interface { + // API identifier + Name() string + // Execute the given request and returns the response or an error Execute(*shared.Request) (interface{}, error) // List of supported RCP methods this API provides Methods() []string } + +// Merge multiple API's to a single API instance +func Merge(apis ...EthereumApi) EthereumApi { + return newMergedApi(apis...) +} diff --git a/rpc/api/eth.go b/rpc/api/eth.go index fa14aa41e..0a8cecdbc 100644 --- a/rpc/api/eth.go +++ b/rpc/api/eth.go @@ -93,6 +93,10 @@ func (self *EthApi) Execute(req *shared.Request) (interface{}, error) { return nil, shared.NewNotImplementedError(req.Method) } +func (self *EthApi) Name() string { + return EthApiName +} + func (self *EthApi) Accounts(req *shared.Request) (interface{}, error) { return self.xeth.Accounts(), nil } diff --git a/rpc/api/mergedapi.go b/rpc/api/mergedapi.go new file mode 100644 index 000000000..7784661d7 --- /dev/null +++ b/rpc/api/mergedapi.go @@ -0,0 +1,56 @@ +package api + +import "github.com/ethereum/go-ethereum/rpc/shared" + +// combines multiple API's +type mergedApi struct { + apis []string + methods map[string]EthereumApi +} + +// create new merged api instance +func newMergedApi(apis ...EthereumApi) *mergedApi { + mergedApi := new(mergedApi) + mergedApi.apis = make([]string, len(apis)) + mergedApi.methods = make(map[string]EthereumApi) + + for i, api := range apis { + mergedApi.apis[i] = api.Name() + for _, method := range api.Methods() { + mergedApi.methods[method] = api + } + } + return mergedApi +} + +// Supported RPC methods +func (self *mergedApi) Methods() []string { + all := make([]string, len(self.methods)) + for method, _ := range self.methods { + all = append(all, method) + } + return all +} + +// Call the correct API's Execute method for the given request +func (self *mergedApi) Execute(req *shared.Request) (interface{}, error) { + if res, _ := self.handle(req); res != nil { + return res, nil + } + if api, found := self.methods[req.Method]; found { + return api.Execute(req) + } + return nil, shared.NewNotImplementedError(req.Method) +} + +func (self *mergedApi) Name() string { + return MergedApiName +} + +func (self *mergedApi) handle(req *shared.Request) (interface{}, error) { + if req.Method == "support_apis" { // provided API's + return self.apis, nil + } + + return nil, nil +} diff --git a/rpc/api/mergedapi_js.go b/rpc/api/mergedapi_js.go new file mode 100644 index 000000000..778f64ec1 --- /dev/null +++ b/rpc/api/mergedapi_js.go @@ -0,0 +1 @@ +package api diff --git a/rpc/api/utils.go b/rpc/api/utils.go index a62058140..7024365e4 100644 --- a/rpc/api/utils.go +++ b/rpc/api/utils.go @@ -8,11 +8,6 @@ import ( "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/rpc/codec" "github.com/ethereum/go-ethereum/xeth" - "github.com/ethereum/go-ethereum/rpc/shared" -) - -const ( - EthApiName = "eth" ) // Parse a comma separated API string to individual api's @@ -28,6 +23,8 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth. switch strings.ToLower(strings.TrimSpace(name)) { case EthApiName: apis[i] = NewEthApi(xeth, codec) + case Web3ApiName: + apis[i] = NewWeb3(xeth, codec) default: return nil, fmt.Errorf("Unknown API '%s'", name) } @@ -35,43 +32,3 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth. return apis, nil } - -// combines multiple API's -type mergedApi struct { - apis map[string]EthereumApi -} - -// create new merged api instance -func newMergedApi(apis ...EthereumApi) *mergedApi { - mergedApi := new(mergedApi) - mergedApi.apis = make(map[string]EthereumApi) - - for _, api := range apis { - for _, method := range api.Methods() { - mergedApi.apis[method] = api - } - } - return mergedApi -} - -// Supported RPC methods -func (self *mergedApi) Methods() []string { - all := make([]string, len(self.apis)) - for method, _ := range self.apis { - all = append(all, method) - } - return all -} - -// Call the correct API's Execute method for the given request -func (self *mergedApi) Execute(req *shared.Request) (interface{}, error) { - if api, found := self.apis[req.Method]; found { - return api.Execute(req) - } - return nil, shared.NewNotImplementedError(req.Method) -} - -// Merge multiple API's to a single API instance -func Merge(apis ...EthereumApi) EthereumApi { - return newMergedApi(apis...) -} diff --git a/rpc/api/web3.go b/rpc/api/web3.go new file mode 100644 index 000000000..4c51c4a97 --- /dev/null +++ b/rpc/api/web3.go @@ -0,0 +1,84 @@ +package api + +import ( + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/rpc/codec" + "github.com/ethereum/go-ethereum/rpc/shared" + "github.com/ethereum/go-ethereum/xeth" +) + +const ( + Web3Version = "1.0.0" +) + +var ( +// mapping between methods and handlers + Web3Mapping = map[string]web3handler{ + "web3_sha3": (*web3).Sha3, + "web3_clientVersion": (*web3).ClientVersion, + } +) + +// web3 callback handler +type web3handler func(*web3, *shared.Request) (interface{}, error) + +// web3 api provider +type web3 struct { + xeth *xeth.XEth + methods map[string]web3handler + codec codec.ApiCoder +} + +// create a new web3 api instance +func NewWeb3(xeth *xeth.XEth, coder codec.Codec) *web3 { + return &web3{ + xeth: xeth, + methods: Web3Mapping, + codec: coder.New(nil), + } +} + +// collection with supported methods +func (self *web3) Methods() []string { + methods := make([]string, len(self.methods)) + i := 0 + for k := range self.methods { + methods[i] = k + i++ + } + return methods +} + +// Execute given request +func (self *web3) Execute(req *shared.Request) (interface{}, error) { + if callback, ok := self.methods[req.Method]; ok { + return callback(self, req) + } + + return nil, &shared.NotImplementedError{req.Method} +} + +func (self *web3) Name() string { + return Web3ApiName +} + +// Version of the API this instance provides +func (self *web3) Version() string { + return Web3Version +} + +// Calculates the sha3 over req.Params.Data +func (self *web3) Sha3(req *shared.Request) (interface{}, error) { + args := new(Sha3Args) + if err := self.codec.Decode(req.Params, &args); err != nil { + return nil, err + } + + return common.ToHex(crypto.Sha3(common.FromHex(args.Data))), nil +} + +// returns the xeth client vrsion +func (self *web3) ClientVersion(req *shared.Request) (interface{}, error) { + return self.xeth.ClientVersion(), nil +} diff --git a/rpc/api/web3_args.go b/rpc/api/web3_args.go new file mode 100644 index 000000000..5455a6c8e --- /dev/null +++ b/rpc/api/web3_args.go @@ -0,0 +1,5 @@ +package api + +type Sha3Args struct { + Data string +} diff --git a/rpc/jeth.go b/rpc/jeth.go index 61be60dc7..d4f6dd460 100644 --- a/rpc/jeth.go +++ b/rpc/jeth.go @@ -6,15 +6,20 @@ import ( "github.com/ethereum/go-ethereum/jsre" "github.com/robertkrimen/otto" + "github.com/ethereum/go-ethereum/rpc/comms" + "github.com/ethereum/go-ethereum/rpc/codec" + "github.com/ethereum/go-ethereum/rpc/shared" + "reflect" ) type Jeth struct { - ethApi *EthereumApi - re *jsre.JSRE + ethApi *EthereumApi + re *jsre.JSRE + ipcpath string } -func NewJeth(ethApi *EthereumApi, re *jsre.JSRE) *Jeth { - return &Jeth{ethApi, re} +func NewJeth(ethApi *EthereumApi, re *jsre.JSRE, ipcpath string) *Jeth { + return &Jeth{ethApi, re, ipcpath} } func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) { @@ -34,6 +39,13 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) { return self.err(call, -32700, err.Error(), nil) } + client, err := comms.NewIpcClient(comms.IpcConfig{self.ipcpath}, codec.JSON) + if err != nil { + fmt.Println("Unable to connect to geth.") + return self.err(call, -32603, err.Error(), -1) + } + defer client.Close() + jsonreq, err := json.Marshal(reqif) var reqs []RpcRequest batch := true @@ -48,22 +60,43 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) { call.Otto.Run("var ret_response = new Array(response_len);") for i, req := range reqs { - var respif interface{} - err = self.ethApi.GetRequestReply(&req, &respif) + err := client.Send(&req) if err != nil { - fmt.Println("Error response:", err) + fmt.Println("Error send request:", err) return self.err(call, -32603, err.Error(), req.Id) } - call.Otto.Set("ret_jsonrpc", jsonrpcver) - call.Otto.Set("ret_id", req.Id) - res, _ := json.Marshal(respif) + respif, err := client.Recv() + if err != nil { + fmt.Println("Error recv response:", err) + return self.err(call, -32603, err.Error(), req.Id) + } - call.Otto.Set("ret_result", string(res)) - call.Otto.Set("response_idx", i) - response, err = call.Otto.Run(` - ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) }; - `) + if res, ok := respif.(shared.SuccessResponse); ok { + call.Otto.Set("ret_id", res.Id) + call.Otto.Set("ret_jsonrpc", res.Jsonrpc) + resObj, _ := json.Marshal(res.Result) + call.Otto.Set("ret_result", string(resObj)) + call.Otto.Set("response_idx", i) + + response, err = call.Otto.Run(` + ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) }; + `) + } else if res, ok := respif.(shared.ErrorResponse); ok { + fmt.Printf("Error: %s (%d)\n", res.Error.Message, res.Error.Code) + + call.Otto.Set("ret_id", res.Id) + call.Otto.Set("ret_jsonrpc", res.Jsonrpc) + call.Otto.Set("ret_error", res.Error) + call.Otto.Set("response_idx", i) + + response, _ = call.Otto.Run(` + ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error }; + `) + return + } else { + fmt.Printf("unexpected response\n", reflect.TypeOf(respif)) + } } if !batch { |