d8e0807da2
* miner: untangle miner * miner: use common.hash instead of *types.header * cmd/geth: deprecate --mine * eth: get rid of most miner api * console: get rid of coinbase in welcome message * miner/stress: get rid of the miner stress test * eth: get rid of miner.setEtherbase * ethstats: remove miner and hashrate flags * ethstats: remove miner and hashrate flags * cmd: rename pendingBlockProducer to miner.pending.feeRecipient flag * miner: use pendingFeeRecipient instead of etherbase * miner: add mutex to protect the pending block * miner: add mutex to protect the pending block * eth: get rid of etherbase mentions * miner: no need to lock the coinbase * eth, miner: fix linter --------- Co-authored-by: Martin Holst Swende <martin@swende.se> Co-authored-by: Péter Szilágyi <peterke@gmail.com>
68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
// Copyright 2024 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 miner
|
|
|
|
import (
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
// pendingTTL indicates the period of time a generated pending block should
|
|
// exist to serve RPC requests before being discarded if the parent block
|
|
// has not changed yet. The value is chosen to align with the recommit interval.
|
|
const pendingTTL = 2 * time.Second
|
|
|
|
// pending wraps a pending block with additional metadata.
|
|
type pending struct {
|
|
created time.Time
|
|
parentHash common.Hash
|
|
result *newPayloadResult
|
|
lock sync.Mutex
|
|
}
|
|
|
|
// resolve retrieves the cached pending result if it's available. Nothing will be
|
|
// returned if the parentHash is not matched or the result is already too old.
|
|
//
|
|
// Note, don't modify the returned payload result.
|
|
func (p *pending) resolve(parentHash common.Hash) *newPayloadResult {
|
|
p.lock.Lock()
|
|
defer p.lock.Unlock()
|
|
|
|
if p.result == nil {
|
|
return nil
|
|
}
|
|
if parentHash != p.parentHash {
|
|
return nil
|
|
}
|
|
if time.Since(p.created) > pendingTTL {
|
|
return nil
|
|
}
|
|
return p.result
|
|
}
|
|
|
|
// update refreshes the cached pending block with newly created one.
|
|
func (p *pending) update(parent common.Hash, result *newPayloadResult) {
|
|
p.lock.Lock()
|
|
defer p.lock.Unlock()
|
|
|
|
p.parentHash = parent
|
|
p.result = result
|
|
p.created = time.Now()
|
|
}
|