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core: Send removed=true TransactionEvent when a transaction is removed due to a reorg

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This commit is contained in:
Domino Valdano 2018-04-23 20:28:05 -07:00
parent d4ad5a0af2
commit 823bae28c8
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GPG key ID: 3FDFE30EE92AC05E
1 changed files with 4 additions and 6 deletions
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8
core/blockchain.go
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@ -1184,10 +1184,6 @@ func (bc *BlockChain) insertChain(chain types.Blocks) (int, []interface{}, []*ty
common.PrettyDuration(time.Since(bstart)), "txs", len(block.Transactions()), "gas", block.GasUsed(), "uncles", len(block.Uncles()))
blockInsertTimer.UpdateSince(bstart)
for _, txPostEvent := range txPostEvents {
txPostEvent.RetData.Removed = true
events = append(events, txPostEvent)
}
events = append(events, ChainSideEvent{block})
}
stats.processed++
@ -1342,10 +1338,12 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
}
// calculate the difference between deleted and added transactions
diff := types.TxDifference(deletedTxs, addedTxs)
for _, tx := range diff {
// When transactions get deleted from the database that means the
// receipts that were created in the fork must also be deleted
for _, tx := range diff {
DeleteTxLookupEntry(bc.db, tx.Hash())
// Let ReturnData subscribers know when a transaction is removed from canonical chain
bc.txPostFeed.Send(TransactionEvent{TxHash: tx.Hash(), RetData: &types.ReturnData{TxHash: tx.Hash(), Removed: true}})
}
if len(deletedLogs) > 0 {
go bc.rmLogsFeed.Send(RemovedLogsEvent{deletedLogs})