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core: make txpool operate on immutable state

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This commit is contained in:
Péter Szilágyi
2017-09-04 22:35:00 +03:00
parent e7408b5552
commit da7d57e07c
10 changed files with 233 additions and 307 deletions
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12
core/blockchain.go
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@@ -81,7 +81,6 @@ type BlockChain struct {
hc *HeaderChain
chainDb ethdb.Database
rmTxFeed event.Feed
rmLogsFeed event.Feed
chainFeed event.Feed
chainSideFeed event.Feed
@@ -1194,15 +1193,9 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
for _, tx := range diff {
DeleteTxLookupEntry(bc.chainDb, tx.Hash())
}
// Must be posted in a goroutine because of the transaction pool trying
// to acquire the chain manager lock
if len(diff) > 0 {
go bc.rmTxFeed.Send(RemovedTransactionEvent{diff})
}
if len(deletedLogs) > 0 {
go bc.rmLogsFeed.Send(RemovedLogsEvent{deletedLogs})
}
if len(oldChain) > 0 {
go func() {
for _, block := range oldChain {
@@ -1401,11 +1394,6 @@ func (bc *BlockChain) Config() *params.ChainConfig { return bc.config }
// Engine retrieves the blockchain's consensus engine.
func (bc *BlockChain) Engine() consensus.Engine { return bc.engine }
// SubscribeRemovedTxEvent registers a subscription of RemovedTransactionEvent.
func (bc *BlockChain) SubscribeRemovedTxEvent(ch chan<- RemovedTransactionEvent) event.Subscription {
return bc.scope.Track(bc.rmTxFeed.Subscribe(ch))
}
// SubscribeRemovedLogsEvent registers a subscription of RemovedLogsEvent.
func (bc *BlockChain) SubscribeRemovedLogsEvent(ch chan<- RemovedLogsEvent) event.Subscription {
return bc.scope.Track(bc.rmLogsFeed.Subscribe(ch))