forked from cerc-io/plugeth
87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package api
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
"github.com/ethereum/go-ethereum/rpc/shared"
|
|
)
|
|
|
|
const (
|
|
MergedApiVersion = "1.0"
|
|
)
|
|
|
|
// combines multiple API's
|
|
type MergedApi struct {
|
|
apis map[string]string
|
|
methods map[string]shared.EthereumApi
|
|
}
|
|
|
|
// create new merged api instance
|
|
func newMergedApi(apis ...shared.EthereumApi) *MergedApi {
|
|
mergedApi := new(MergedApi)
|
|
mergedApi.apis = make(map[string]string, len(apis))
|
|
mergedApi.methods = make(map[string]shared.EthereumApi)
|
|
|
|
for _, api := range apis {
|
|
mergedApi.apis[api.Name()] = api.ApiVersion()
|
|
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) {
|
|
glog.V(logger.Detail).Infof("%s %s", req.Method, req.Params)
|
|
|
|
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 shared.MergedApiName
|
|
}
|
|
|
|
func (self *MergedApi) ApiVersion() string {
|
|
return MergedApiVersion
|
|
}
|
|
|
|
func (self *MergedApi) handle(req *shared.Request) (interface{}, error) {
|
|
if req.Method == "modules" { // provided API's
|
|
return self.apis, nil
|
|
}
|
|
|
|
return nil, nil
|
|
}
|