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Minimize mempool lock, sync txo spender index only when and if needed

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We sync txospenderindex after we've checked the mempool for spending transaction, and only if search is not limited to the mempool and no
spending transactions have been found for some of the provided outpoints.
This should minimize the chance of having a block containing a spending transaction that is no longer in the mempool but has not been indexed yet.
This commit is contained in:
sstone
2026-02-18 17:25:33 +01:00
parent 3d82ec5bdd
commit 0b96b9c600
2 changed files with 44 additions and 23 deletions
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4
test/functional/rpc_gettxspendingprevout.py
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@@ -116,6 +116,10 @@ class GetTxSpendingPrevoutTest(BitcoinTestFramework):
result = self.nodes[2].gettxspendingprevout([{ 'txid' : confirmed_utxo['txid'], 'vout' : 0}, {'txid' : txidA, 'vout' : 1} ], return_spending_tx=True)
assert_equal(result, [ {'txid' : confirmed_utxo['txid'], 'vout' : 0}, {'txid' : txidA, 'vout' : 1}])
# spending transaction is not found if we only search the mempool
result = self.nodes[0].gettxspendingprevout([ {'txid' : confirmed_utxo['txid'], 'vout' : 0}, {'txid' : txidA, 'vout' : 1} ], return_spending_tx=True, mempool_only=True)
assert_equal(result, [ {'txid' : confirmed_utxo['txid'], 'vout' : 0}, {'txid' : txidA, 'vout' : 1}])
self.log.info("Check that our txospenderindex is updated when a reorg replaces a spending transaction")
confirmed_utxo = self.wallet.get_utxo(mark_as_spent = False)
tx1 = create_tx(utxos_to_spend=[confirmed_utxo], num_outputs=1)