package api import ( "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/rpc/codec" "github.com/ethereum/go-ethereum/rpc/shared" "github.com/ethereum/go-ethereum/xeth" ) const ( NetApiVersion = "1.0" ) var ( // mapping between methods and handlers netMapping = map[string]nethandler{ "net_version": (*netApi).Version, "net_peerCount": (*netApi).PeerCount, "net_listening": (*netApi).IsListening, "net_peers": (*netApi).Peers, } ) // net callback handler type nethandler func(*netApi, *shared.Request) (interface{}, error) // net api provider type netApi struct { xeth *xeth.XEth ethereum *eth.Ethereum methods map[string]nethandler codec codec.ApiCoder } // create a new net api instance func NewNetApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *netApi { return &netApi{ xeth: xeth, ethereum: eth, methods: netMapping, codec: coder.New(nil), } } // collection with supported methods func (self *netApi) 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 *netApi) Execute(req *shared.Request) (interface{}, error) { if callback, ok := self.methods[req.Method]; ok { return callback(self, req) } return nil, shared.NewNotImplementedError(req.Method) } func (self *netApi) Name() string { return NetApiName } func (self *netApi) ApiVersion() string { return NetApiVersion } // Network version func (self *netApi) Version(req *shared.Request) (interface{}, error) { return self.xeth.NetworkVersion(), nil } // Number of connected peers func (self *netApi) PeerCount(req *shared.Request) (interface{}, error) { return newHexNum(self.xeth.PeerCount()), nil } func (self *netApi) IsListening(req *shared.Request) (interface{}, error) { return self.xeth.IsListening(), nil } func (self *netApi) Peers(req *shared.Request) (interface{}, error) { return self.ethereum.PeersInfo(), nil }