From 6e63e366d609312ab984b4439de2d59bb618620b Mon Sep 17 00:00:00 2001 From: Sebastian Falbesoner Date: Tue, 1 Jun 2021 15:56:38 +0200 Subject: test: refactor: dedup utility function chain_transaction() --- test/functional/mempool_package_onemore.py | 43 +++++++++++------------------- 1 file changed, 15 insertions(+), 28 deletions(-) (limited to 'test/functional/mempool_package_onemore.py') diff --git a/test/functional/mempool_package_onemore.py b/test/functional/mempool_package_onemore.py index 1e9895e621..fcd8b061fa 100755 --- a/test/functional/mempool_package_onemore.py +++ b/test/functional/mempool_package_onemore.py @@ -11,7 +11,11 @@ from decimal import Decimal from test_framework.blocktools import COINBASE_MATURITY from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import assert_equal, assert_raises_rpc_error, satoshi_round +from test_framework.util import ( + assert_equal, + assert_raises_rpc_error, + chain_transaction, +) MAX_ANCESTORS = 25 MAX_DESCENDANTS = 25 @@ -24,23 +28,6 @@ class MempoolPackagesTest(BitcoinTestFramework): def skip_test_if_missing_module(self): self.skip_if_no_wallet() - # Build a transaction that spends parent_txid:vout - # Return amount sent - def chain_transaction(self, node, parent_txids, vouts, value, fee, num_outputs): - send_value = satoshi_round((value - fee)/num_outputs) - inputs = [] - for (txid, vout) in zip(parent_txids, vouts): - inputs.append({'txid' : txid, 'vout' : vout}) - outputs = {} - for _ in range(num_outputs): - outputs[node.getnewaddress()] = send_value - rawtx = node.createrawtransaction(inputs, outputs, 0, True) - signedtx = node.signrawtransactionwithwallet(rawtx) - txid = node.sendrawtransaction(signedtx['hex']) - fulltx = node.getrawtransaction(txid, 1) - assert len(fulltx['vout']) == num_outputs # make sure we didn't generate a change output - return (txid, send_value) - def run_test(self): # Mine some blocks and have them mature. self.nodes[0].generate(COINBASE_MATURITY + 1) @@ -53,32 +40,32 @@ class MempoolPackagesTest(BitcoinTestFramework): # MAX_ANCESTORS transactions off a confirmed tx should be fine chain = [] for _ in range(4): - (txid, sent_value) = self.chain_transaction(self.nodes[0], [txid], [vout], value, fee, 2) + (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 2) vout = 0 value = sent_value chain.append([txid, value]) for _ in range(MAX_ANCESTORS - 4): - (txid, sent_value) = self.chain_transaction(self.nodes[0], [txid], [0], value, fee, 1) + (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [0], value, fee, 1) value = sent_value chain.append([txid, value]) - (second_chain, second_chain_value) = self.chain_transaction(self.nodes[0], [utxo[1]['txid']], [utxo[1]['vout']], utxo[1]['amount'], fee, 1) + (second_chain, second_chain_value) = chain_transaction(self.nodes[0], [utxo[1]['txid']], [utxo[1]['vout']], utxo[1]['amount'], fee, 1) # Check mempool has MAX_ANCESTORS + 1 transactions in it assert_equal(len(self.nodes[0].getrawmempool(True)), MAX_ANCESTORS + 1) # Adding one more transaction on to the chain should fail. - assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", self.chain_transaction, self.nodes[0], [txid], [0], value, fee, 1) + assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", chain_transaction, self.nodes[0], [txid], [0], value, fee, 1) # ...even if it chains on from some point in the middle of the chain. - assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[2][0]], [1], chain[2][1], fee, 1) - assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[1][0]], [1], chain[1][1], fee, 1) + assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[2][0]], [1], chain[2][1], fee, 1) + assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[1][0]], [1], chain[1][1], fee, 1) # ...even if it chains on to two parent transactions with one in the chain. - assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[0][0], second_chain], [1, 0], chain[0][1] + second_chain_value, fee, 1) + assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0], second_chain], [1, 0], chain[0][1] + second_chain_value, fee, 1) # ...especially if its > 40k weight - assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350) + assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350) # But not if it chains directly off the first transaction - (replacable_txid, replacable_orig_value) = self.chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1) + (replacable_txid, replacable_orig_value) = chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1) # and the second chain should work just fine - self.chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1) + chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1) # Make sure we can RBF the chain which used our carve-out rule second_tx_outputs = {self.nodes[0].getrawtransaction(replacable_txid, True)["vout"][0]['scriptPubKey']['address']: replacable_orig_value - (Decimal(1) / Decimal(100))} -- cgit v1.2.3