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test/functional/rpc_gettxspendingprevout.py
217 строк
12 KB
Ava Chow
test: Wait for txospender index to be synced in rpc_gettxspendingprevout
05 мар 2026, 22:19
05 мар 2026, 22:19
cbdb891
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#!/usr/bin/env python3 # Copyright (c) The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test gettxspendingprevout RPC.""" from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_raises_rpc_error, ) from test_framework.wallet import MiniWallet #### Query Helpers #### def prevout(txid, vout): """Build a prevout query dict for use with gettxspendingprevout""" return {'txid': txid, 'vout': vout} #### Result Helpers #### def unspent_out(txid, vout): """Expected result for an available output (not spent)""" return {'txid': txid, 'vout': vout} def spent_out(txid, vout, spending_tx_id): """Expected result for an output with a known spender""" return {'txid': txid, 'vout': vout, 'spendingtxid': spending_tx_id} def spent_out_in_block(txid, vout, spending_tx_id, blockhash, spending_tx): """Expected result for an output spent in a confirmed block, with full tx data""" return {'txid': txid, 'vout': vout, 'spendingtxid': spending_tx_id, 'blockhash': blockhash, 'spendingtx': spending_tx} class GetTxSpendingPrevoutTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 3 self.noban_tx_relay = True self.extra_args = [ ["-txospenderindex"], ["-txospenderindex"], [], ] def run_test(self): node0, node1, node2 = self.nodes self.wallet = MiniWallet(node0) root_utxo = self.wallet.get_utxo() txid_root_utxo = root_utxo['txid'] def create_tx(**kwargs): return self.wallet.send_self_transfer_multi(from_node=node0, **kwargs) # Create a tree of unconfirmed transactions in the mempool: # txA # / \ # / \ # / \ # / \ # / \ # txB txC # / \ / \ # / \ / \ # txD txE txF txG # \ / # \ / # txH txA = create_tx(utxos_to_spend=[root_utxo], num_outputs=2) txB = create_tx(utxos_to_spend=[txA["new_utxos"][0]], num_outputs=2) txC = create_tx(utxos_to_spend=[txA["new_utxos"][1]], num_outputs=2) txD = create_tx(utxos_to_spend=[txB["new_utxos"][0]], num_outputs=1) txE = create_tx(utxos_to_spend=[txB["new_utxos"][1]], num_outputs=1) txF = create_tx(utxos_to_spend=[txC["new_utxos"][0]], num_outputs=2) txG = create_tx(utxos_to_spend=[txC["new_utxos"][1]], num_outputs=1) txH = create_tx(utxos_to_spend=[txE["new_utxos"][0], txF["new_utxos"][0]], num_outputs=1) txs = [txA, txB, txC, txD, txE, txF, txG, txH] txidA, txidB, txidC, txidD, txidE, txidF, txidG, txidH = [tx["txid"] for tx in txs] self.sync_mempools() self.wait_until(lambda: node0.getindexinfo()["txospenderindex"]["synced"]) self.wait_until(lambda: node1.getindexinfo()["txospenderindex"]["synced"]) mempool = node0.getrawmempool() assert_equal(len(mempool), 8) for tx in txs: assert tx["txid"] in mempool self.log.info("Find transactions spending outputs") # wait until spending transactions are found in the mempool of node 0, 1 and 2 result = node0.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)]) assert_equal(result, [spent_out(txid_root_utxo, vout=0, spending_tx_id=txidA), spent_out(txidA, vout=1, spending_tx_id=txidC)]) self.wait_until(lambda: node1.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)]) == result) self.wait_until(lambda: node2.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)], mempool_only=True) == result) self.log.info("Find transaction spending multiple outputs") result = node0.gettxspendingprevout([prevout(txidE, vout=0), prevout(txidF, vout=0)]) assert_equal(result, [spent_out(txidE, vout=0, spending_tx_id=txidH), spent_out(txidF, vout=0, spending_tx_id=txidH)]) self.log.info("Find no transaction when output is unspent") assert_equal(node0.gettxspendingprevout([prevout(txidH, vout=0)]), [unspent_out(txidH, vout=0)]) for node in self.nodes: assert_equal(node.gettxspendingprevout([prevout(txidA, vout=5)]), [unspent_out(txidA, vout=5)]) self.log.info("Mixed spent and unspent outputs") result = node0.gettxspendingprevout([prevout(txidB, vout=0), prevout(txidG, vout=3)]) assert_equal(result, [spent_out(txidB, vout=0, spending_tx_id=txidD), unspent_out(txidG, vout=3)]) self.log.info("Unknown input fields") assert_raises_rpc_error(-3, "Unexpected key unknown", node0.gettxspendingprevout, [{'txid' : txidC, 'vout' : 1, 'unknown' : 42}]) self.log.info("Invalid vout provided") assert_raises_rpc_error(-8, "Invalid parameter, vout cannot be negative", node0.gettxspendingprevout, [prevout(txidA, vout=-1)]) self.log.info("Invalid txid provided") assert_raises_rpc_error(-3, "JSON value of type number for field txid is not of expected type string", node0.gettxspendingprevout, [prevout(42, vout=0)]) self.log.info("Missing outputs") assert_raises_rpc_error(-8, "Invalid parameter, outputs are missing", node0.gettxspendingprevout, []) self.log.info("Missing vout") assert_raises_rpc_error(-3, "Missing vout", node0.gettxspendingprevout, [{'txid' : txidA}]) self.log.info("Missing txid") assert_raises_rpc_error(-3, "Missing txid", node0.gettxspendingprevout, [{'vout' : 3}]) blockhash = self.generate(self.wallet, 1)[0] # spending transactions are found in the index of nodes 0 and 1 but not node 2 for node in [node0, node1]: result = node.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(txid_root_utxo, vout=0, spending_tx_id=txidA, blockhash=blockhash, spending_tx=txA['hex']), spent_out_in_block(txidA, vout=1, spending_tx_id=txidC, blockhash=blockhash, spending_tx=txC['hex'])]) # Spending transactions not in node 2 (no spending index) result = node2.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)], return_spending_tx=True) assert_equal(result, [unspent_out(txid_root_utxo, vout=0), unspent_out(txidA, vout=1)]) # spending transaction is not found if we only search the mempool result = node0.gettxspendingprevout([prevout(txid_root_utxo, vout=0), prevout(txidA, vout=1)], return_spending_tx=True, mempool_only=True) assert_equal(result, [unspent_out(txid_root_utxo, vout=0), unspent_out(txidA, vout=1)]) self.log.info("Check that our txospenderindex is updated when a reorg replaces a spending transaction") reorg_replace_utxo = self.wallet.get_utxo(mark_as_spent=False) txid_reorg_replace_utxo = reorg_replace_utxo['txid'] tx1 = create_tx(utxos_to_spend=[reorg_replace_utxo], num_outputs=1) blockhash = self.generate(self.wallet, 1)[0] # tx1 is confirmed, and indexed in txospenderindex as spending our utxo assert tx1["txid"] not in node0.getrawmempool() result = node0.gettxspendingprevout([prevout(txid_reorg_replace_utxo, vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(txid_reorg_replace_utxo, vout=0, spending_tx_id=tx1["txid"], blockhash=blockhash, spending_tx=tx1['hex'])]) # replace tx1 with tx2 triggering a "reorg" best_block_hash = node0.getbestblockhash() for node in self.nodes: node.invalidateblock(best_block_hash) assert tx1["txid"] in node.getrawmempool() # create and submit replacement tx2 = create_tx(utxos_to_spend=[reorg_replace_utxo], num_outputs=2) assert tx2["txid"] in node0.getrawmempool() # check that when we find tx2 when we look in the mempool for a tx spending our output result = node0.gettxspendingprevout([prevout(txid_reorg_replace_utxo, vout=0)], return_spending_tx=True) assert_equal(result, [ {'txid' : txid_reorg_replace_utxo, 'vout' : 0, 'spendingtxid' : tx2["txid"], 'spendingtx' : tx2['hex']} ]) # check that our txospenderindex has been updated blockhash = self.generate(self.wallet, 1)[0] result = node0.gettxspendingprevout([prevout(txid_reorg_replace_utxo, vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(txid_reorg_replace_utxo, vout=0, spending_tx_id=tx2["txid"], blockhash=blockhash, spending_tx=tx2['hex'])]) self.log.info("Check that our txospenderindex is updated when a reorg cancels a spending transaction") reorg_cancel_utxo = self.wallet.get_utxo(mark_as_spent=False) txid_reorg_cancel_utxo = reorg_cancel_utxo['txid'] tx1 = create_tx(utxos_to_spend=[reorg_cancel_utxo], num_outputs=1) tx2 = create_tx(utxos_to_spend=[tx1["new_utxos"][0]], num_outputs=1) # tx1 spends our utxo, tx2 spends tx1 blockhash = self.generate(self.wallet, 1)[0] # tx1 and tx2 are confirmed, and indexed in txospenderindex result = node0.gettxspendingprevout([prevout(txid_reorg_cancel_utxo, vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(txid_reorg_cancel_utxo, vout=0, spending_tx_id=tx1["txid"], blockhash=blockhash, spending_tx=tx1['hex'])]) result = node0.gettxspendingprevout([prevout(tx1['txid'], vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(tx1['txid'], vout=0, spending_tx_id=tx2["txid"], blockhash=blockhash, spending_tx=tx2['hex'])]) # replace tx1 with tx3 blockhash = node0.getbestblockhash() for node in self.nodes: node.invalidateblock(blockhash) tx3 = create_tx(utxos_to_spend=[reorg_cancel_utxo], num_outputs=2, fee_per_output=2000) node0_mempool = node0.getrawmempool() assert tx3["txid"] in node0_mempool assert tx1["txid"] not in node0_mempool assert tx2["txid"] not in node0_mempool # tx2 is not in the mempool anymore, but still in txospender index which has not been rewound yet result = node0.gettxspendingprevout([prevout(tx1['txid'], vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(tx1['txid'], vout=0, spending_tx_id=tx2["txid"], blockhash=blockhash, spending_tx=tx2['hex'])]) txinfo = node0.getrawtransaction(tx2["txid"], verbose = True, blockhash = blockhash) assert_equal(txinfo["confirmations"], 0) assert_equal(txinfo["in_active_chain"], False) blockhash = self.generate(self.wallet, 1)[0] # we check that the spending tx for tx1 is now tx3 result = node0.gettxspendingprevout([prevout(txid_reorg_cancel_utxo, vout=0)], return_spending_tx=True) assert_equal(result, [spent_out_in_block(txid_reorg_cancel_utxo, vout=0, spending_tx_id=tx3["txid"], blockhash=blockhash, spending_tx=tx3['hex'])]) # we check that there is no more spending tx for tx1 result = node0.gettxspendingprevout([prevout(tx1['txid'], vout=0)], return_spending_tx=True) assert_equal(result, [unspent_out(tx1['txid'], vout=0)]) if __name__ == '__main__': GetTxSpendingPrevoutTest(__file__).main()