forked from cerc-io/plugeth
148 lines
3.6 KiB
Go
148 lines
3.6 KiB
Go
package api
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import (
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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const (
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MinerApiVersion = "1.0"
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)
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var (
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// mapping between methods and handlers
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MinerMapping = map[string]minerhandler{
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"miner_hashrate": (*minerApi).Hashrate,
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"miner_makeDAG": (*minerApi).MakeDAG,
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"miner_setExtra": (*minerApi).SetExtra,
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"miner_setGasPrice": (*minerApi).SetGasPrice,
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"miner_startAutoDAG": (*minerApi).StartAutoDAG,
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"miner_start": (*minerApi).StartMiner,
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"miner_stopAutoDAG": (*minerApi).StopAutoDAG,
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"miner_stop": (*minerApi).StopMiner,
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}
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)
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// miner callback handler
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type minerhandler func(*minerApi, *shared.Request) (interface{}, error)
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// miner api provider
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type minerApi struct {
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ethereum *eth.Ethereum
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methods map[string]minerhandler
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codec codec.ApiCoder
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}
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// create a new miner api instance
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func NewMinerApi(ethereum *eth.Ethereum, coder codec.Codec) *minerApi {
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return &minerApi{
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ethereum: ethereum,
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methods: MinerMapping,
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codec: coder.New(nil),
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}
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}
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// Execute given request
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func (self *minerApi) Execute(req *shared.Request) (interface{}, error) {
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if callback, ok := self.methods[req.Method]; ok {
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return callback(self, req)
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}
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return nil, &shared.NotImplementedError{req.Method}
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}
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// collection with supported methods
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func (self *minerApi) Methods() []string {
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methods := make([]string, len(self.methods))
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i := 0
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for k := range self.methods {
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methods[i] = k
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i++
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}
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return methods
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}
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func (self *minerApi) Name() string {
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return shared.MinerApiName
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}
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func (self *minerApi) ApiVersion() string {
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return MinerApiVersion
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}
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func (self *minerApi) StartMiner(req *shared.Request) (interface{}, error) {
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args := new(StartMinerArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, err
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}
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if args.Threads == -1 { // (not specified by user, use default)
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args.Threads = self.ethereum.MinerThreads
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}
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self.ethereum.StartAutoDAG()
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err := self.ethereum.StartMining(args.Threads)
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if err == nil {
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return true, nil
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}
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return false, err
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}
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func (self *minerApi) StopMiner(req *shared.Request) (interface{}, error) {
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self.ethereum.StopMining()
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return true, nil
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}
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func (self *minerApi) Hashrate(req *shared.Request) (interface{}, error) {
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return self.ethereum.Miner().HashRate(), nil
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}
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func (self *minerApi) SetExtra(req *shared.Request) (interface{}, error) {
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args := new(SetExtraArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, err
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}
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self.ethereum.Miner().SetExtra([]byte(args.Data))
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return true, nil
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}
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func (self *minerApi) SetGasPrice(req *shared.Request) (interface{}, error) {
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args := new(GasPriceArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return false, err
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}
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self.ethereum.Miner().SetGasPrice(common.String2Big(args.Price))
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return true, nil
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}
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func (self *minerApi) StartAutoDAG(req *shared.Request) (interface{}, error) {
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self.ethereum.StartAutoDAG()
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return true, nil
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}
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func (self *minerApi) StopAutoDAG(req *shared.Request) (interface{}, error) {
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self.ethereum.StopAutoDAG()
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return true, nil
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}
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func (self *minerApi) MakeDAG(req *shared.Request) (interface{}, error) {
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args := new(MakeDAGArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, err
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}
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if args.BlockNumber < 0 {
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return false, shared.NewValidationError("BlockNumber", "BlockNumber must be positive")
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}
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err := ethash.MakeDAG(uint64(args.BlockNumber), "")
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if err == nil {
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return true, nil
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}
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return false, err
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}
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