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miner: add mutex to protect the pending block

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This commit is contained in:
Marius van der Wijden 2024-03-06 12:33:18 +01:00
parent 4cf7e955cd
commit 0115bb7bcf
1 changed files with 5 additions and 0 deletions
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5
miner/miner.go
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@ -72,6 +72,7 @@ type Miner struct {
txpool *txpool.TxPool txpool *txpool.TxPool
chain *core.BlockChain chain *core.BlockChain
pending *pending pending *pending
pendingMu sync.Mutex // Lock protects the pending block
} }
// New creates a new miner with provided config. // New creates a new miner with provided config.
@ -137,9 +138,13 @@ func (miner *Miner) getPending() *newPayloadResult {
miner.confMu.RUnlock() miner.confMu.RUnlock()
header := miner.chain.CurrentHeader() header := miner.chain.CurrentHeader()
miner.pendingMu.Lock()
if cached := miner.pending.resolve(header.Hash(), coinbase); cached != nil { if cached := miner.pending.resolve(header.Hash(), coinbase); cached != nil {
miner.pendingMu.Unlock()
return cached return cached
} }
defer miner.pendingMu.Unlock()
var ( var (
timestamp = uint64(time.Now().Unix()) timestamp = uint64(time.Now().Unix())
withdrawal types.Withdrawals withdrawal types.Withdrawals