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test/functional/rpc_psbt.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2018 The Bitcoin Core developers | # Copyright (c) 2018 The Bitcoin Core developers | ||||
| # Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
| """Test the Partially Signed Transaction RPCs. | """Test the Partially Signed Transaction RPCs. | ||||
| """ | """ | ||||
| import json | import json | ||||
| import os | import os | ||||
| from decimal import Decimal | |||||
| from test_framework.test_framework import BitcoinTestFramework | from test_framework.test_framework import BitcoinTestFramework | ||||
| from test_framework.util import ( | from test_framework.util import ( | ||||
| assert_equal, | assert_equal, | ||||
| assert_raises_rpc_error, | assert_raises_rpc_error, | ||||
| find_output, | find_output, | ||||
| ) | ) | ||||
| # Create one-input, one-output, no-fee transaction: | # Create one-input, one-output, no-fee transaction: | ||||
| ▲ Show 20 Lines • Show All 227 Lines • ▼ Show 20 Lines | def run_test(self): | ||||
| # Update a PSBT with UTXOs from the node | # Update a PSBT with UTXOs from the node | ||||
| psbt = self.nodes[1].createpsbt([{"txid": txid1, "vout": vout1}, {"txid": txid2, "vout": vout2}, { | psbt = self.nodes[1].createpsbt([{"txid": txid1, "vout": vout1}, {"txid": txid2, "vout": vout2}, { | ||||
| "txid": txid3, "vout": vout3}], {self.nodes[0].getnewaddress(): 32.999}) | "txid": txid3, "vout": vout3}], {self.nodes[0].getnewaddress(): 32.999}) | ||||
| decoded = self.nodes[1].decodepsbt(psbt) | decoded = self.nodes[1].decodepsbt(psbt) | ||||
| updated = self.nodes[1].utxoupdatepsbt(psbt) | updated = self.nodes[1].utxoupdatepsbt(psbt) | ||||
| decoded = self.nodes[1].decodepsbt(updated) | decoded = self.nodes[1].decodepsbt(updated) | ||||
| # Two PSBTs with a common input should not be joinable | |||||
| psbt1 = self.nodes[1].createpsbt([{"txid": txid1, "vout": vout1}], { | |||||
| self.nodes[0].getnewaddress(): Decimal('10.999')}) | |||||
| assert_raises_rpc_error(-8, "exists in multiple PSBTs", | |||||
| self.nodes[1].joinpsbts, [psbt1, updated]) | |||||
| # Join two distinct PSBTs | |||||
| addr4 = self.nodes[1].getnewaddress("") | |||||
| txid4 = self.nodes[0].sendtoaddress(addr4, 5) | |||||
| vout4 = find_output(self.nodes[0], txid4, 5) | |||||
| self.nodes[0].generate(6) | |||||
| self.sync_all() | |||||
| psbt2 = self.nodes[1].createpsbt([{"txid": txid4, "vout": vout4}], { | |||||
| self.nodes[0].getnewaddress(): Decimal('4.999')}) | |||||
| psbt2 = self.nodes[1].walletprocesspsbt(psbt2)['psbt'] | |||||
| psbt2_decoded = self.nodes[0].decodepsbt(psbt2) | |||||
| assert "final_scriptSig" in psbt2_decoded['inputs'][0] | |||||
| joined = self.nodes[0].joinpsbts([psbt, psbt2]) | |||||
| joined_decoded = self.nodes[0].decodepsbt(joined) | |||||
| assert len(joined_decoded['inputs']) == 4 and len( | |||||
| joined_decoded['outputs']) == 2 and "final_scriptSig" not in joined_decoded['inputs'][3] | |||||
| # Fail when trying to join less than two PSBTs | |||||
| assert_raises_rpc_error(-8, | |||||
| "At least two PSBTs are required to join PSBTs.", self.nodes[1].joinpsbts, []) | |||||
| assert_raises_rpc_error(-8, | |||||
| "At least two PSBTs are required to join PSBTs.", self.nodes[1].joinpsbts, [psbt2]) | |||||
| if __name__ == '__main__': | if __name__ == '__main__': | ||||
| PSBTTest().main() | PSBTTest().main() | ||||