71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
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("rpc method: %s", req.Method)
|
|
|
|
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
|
|
}
|