73 lines
2.7 KiB
Go
73 lines
2.7 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package miner
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// PublicMinerAPI provides an API to control the miner.
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// It offers only methods that operate on data that pose no security risk when it is publicly accessible.
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type PublicMinerAPI struct {
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miner *Miner
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agent *RemoteAgent
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}
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// NewPublicMinerAPI create a new PublicMinerAPI instance.
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func NewPublicMinerAPI(miner *Miner) *PublicMinerAPI {
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return &PublicMinerAPI{miner, NewRemoteAgent()}
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}
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// Mining returns an indication if this node is currently mining.
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func (s *PublicMinerAPI) Mining() bool {
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return s.miner.Mining()
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}
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// SubmitWork can be used by external miner to submit their POW solution. It returns an indication if the work was
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// accepted. Note, this is not an indication if the provided work was valid!
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func (s *PublicMinerAPI) SubmitWork(nonce rpc.HexNumber, solution, digest common.Hash) bool {
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return s.agent.SubmitWork(nonce.Uint64(), digest, solution)
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}
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// GetWork returns a work package for external miner. The work package consists of 3 strings
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// result[0], 32 bytes hex encoded current block header pow-hash
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// result[1], 32 bytes hex encoded seed hash used for DAG
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// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
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func (s *PublicMinerAPI) GetWork() ([]string, error) {
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if !s.Mining() {
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s.miner.Start(s.miner.coinbase, 0)
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}
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if work, err := s.agent.GetWork(); err == nil {
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return work[:], nil
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} else {
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glog.Infof("%v\n", err)
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}
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return nil, fmt.Errorf("mining not ready")
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}
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// SubmitHashrate can be used for remote miners to submit their hash rate. This enables the node to report the combined
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// hash rate of all miners which submit work through this node. It accepts the miner hash rate and an identifier which
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// must be unique between nodes.
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func (s *PublicMinerAPI) SubmitHashrate(hashrate rpc.HexNumber, id common.Hash) bool {
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s.agent.SubmitHashrate(id, hashrate.Uint64())
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return true
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}
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