Official Go implementation of the Ethereum protocol
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go-ethereum/eth/api_miner.go

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// Copyright 2023 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 eth
import (
"math/big"
"github.com/ethereum/go-ethereum/common/hexutil"
)
// MinerAPI provides an API to control the miner.
type MinerAPI struct {
e *Ethereum
}
// NewMinerAPI creates a new MinerAPI instance.
func NewMinerAPI(e *Ethereum) *MinerAPI {
return &MinerAPI{e}
}
// SetExtra sets the extra data string that is included when this miner mines a block.
func (api *MinerAPI) SetExtra(extra string) (bool, error) {
if err := api.e.Miner().SetExtra([]byte(extra)); err != nil {
return false, err
}
return true, nil
}
// SetGasPrice sets the minimum accepted gas price for the miner.
func (api *MinerAPI) SetGasPrice(gasPrice hexutil.Big) bool {
api.e.lock.Lock()
api.e.gasPrice = (*big.Int)(&gasPrice)
api.e.lock.Unlock()
api.e.txPool.SetGasTip((*big.Int)(&gasPrice))
api.e.Miner().SetGasTip((*big.Int)(&gasPrice))
return true
}
// SetGasLimit sets the gaslimit to target towards during mining.
func (api *MinerAPI) SetGasLimit(gasLimit hexutil.Uint64) bool {
api.e.Miner().SetGasCeil(uint64(gasLimit))
return true
}