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101 lines
4.7 KiB
101 lines
4.7 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2014-2022 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test RPCs that retrieve information from the mempool."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_raises_rpc_error,
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)
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from test_framework.wallet import MiniWallet
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class RPCMempoolInfoTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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def run_test(self):
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self.wallet = MiniWallet(self.nodes[0])
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self.wallet.rescan_utxos()
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confirmed_utxo = self.wallet.get_utxo()
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# Create a tree of unconfirmed transactions in the mempool:
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# txA
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# / \
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# / \
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# / \
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# / \
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# / \
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# txB txC
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# / \ / \
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# / \ / \
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# txD txE txF txG
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# \ /
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# \ /
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# txH
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def create_tx(**kwargs):
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return self.wallet.send_self_transfer_multi(
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from_node=self.nodes[0],
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**kwargs,
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)
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txA = create_tx(utxos_to_spend=[confirmed_utxo], num_outputs=2)
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txB = create_tx(utxos_to_spend=[txA["new_utxos"][0]], num_outputs=2)
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txC = create_tx(utxos_to_spend=[txA["new_utxos"][1]], num_outputs=2)
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txD = create_tx(utxos_to_spend=[txB["new_utxos"][0]], num_outputs=1)
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txE = create_tx(utxos_to_spend=[txB["new_utxos"][1]], num_outputs=1)
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txF = create_tx(utxos_to_spend=[txC["new_utxos"][0]], num_outputs=2)
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txG = create_tx(utxos_to_spend=[txC["new_utxos"][1]], num_outputs=1)
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txH = create_tx(utxos_to_spend=[txE["new_utxos"][0],txF["new_utxos"][0]], num_outputs=1)
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txidA, txidB, txidC, txidD, txidE, txidF, txidG, txidH = [
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tx["txid"] for tx in [txA, txB, txC, txD, txE, txF, txG, txH]
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]
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mempool = self.nodes[0].getrawmempool()
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assert_equal(len(mempool), 8)
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for txid in [txidA, txidB, txidC, txidD, txidE, txidF, txidG, txidH]:
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assert_equal(txid in mempool, True)
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self.log.info("Find transactions spending outputs")
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result = self.nodes[0].gettxspendingprevout([ {'txid' : confirmed_utxo['txid'], 'vout' : 0}, {'txid' : txidA, 'vout' : 1} ])
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assert_equal(result, [ {'txid' : confirmed_utxo['txid'], 'vout' : 0, 'spendingtxid' : txidA}, {'txid' : txidA, 'vout' : 1, 'spendingtxid' : txidC} ])
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self.log.info("Find transaction spending multiple outputs")
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result = self.nodes[0].gettxspendingprevout([ {'txid' : txidE, 'vout' : 0}, {'txid' : txidF, 'vout' : 0} ])
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assert_equal(result, [ {'txid' : txidE, 'vout' : 0, 'spendingtxid' : txidH}, {'txid' : txidF, 'vout' : 0, 'spendingtxid' : txidH} ])
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self.log.info("Find no transaction when output is unspent")
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result = self.nodes[0].gettxspendingprevout([ {'txid' : txidH, 'vout' : 0} ])
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assert_equal(result, [ {'txid' : txidH, 'vout' : 0} ])
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result = self.nodes[0].gettxspendingprevout([ {'txid' : txidA, 'vout' : 5} ])
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assert_equal(result, [ {'txid' : txidA, 'vout' : 5} ])
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self.log.info("Mixed spent and unspent outputs")
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result = self.nodes[0].gettxspendingprevout([ {'txid' : txidB, 'vout' : 0}, {'txid' : txidG, 'vout' : 3} ])
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assert_equal(result, [ {'txid' : txidB, 'vout' : 0, 'spendingtxid' : txidD}, {'txid' : txidG, 'vout' : 3} ])
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self.log.info("Unknown input fields")
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assert_raises_rpc_error(-3, "Unexpected key unknown", self.nodes[0].gettxspendingprevout, [{'txid' : txidC, 'vout' : 1, 'unknown' : 42}])
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self.log.info("Invalid vout provided")
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assert_raises_rpc_error(-8, "Invalid parameter, vout cannot be negative", self.nodes[0].gettxspendingprevout, [{'txid' : txidA, 'vout' : -1}])
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self.log.info("Invalid txid provided")
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assert_raises_rpc_error(-3, "Expected type string for txid, got number", self.nodes[0].gettxspendingprevout, [{'txid' : 42, 'vout' : 0}])
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self.log.info("Missing outputs")
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assert_raises_rpc_error(-8, "Invalid parameter, outputs are missing", self.nodes[0].gettxspendingprevout, [])
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self.log.info("Missing vout")
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assert_raises_rpc_error(-3, "Missing vout", self.nodes[0].gettxspendingprevout, [{'txid' : txidA}])
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self.log.info("Missing txid")
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assert_raises_rpc_error(-3, "Missing txid", self.nodes[0].gettxspendingprevout, [{'vout' : 3}])
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if __name__ == '__main__':
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RPCMempoolInfoTest().main()
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