#!/usr/bin/env python3 # Copyright (c) 2018-2020 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 the Partially Signed Transaction RPCs. """ from decimal import Decimal from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_approx, assert_equal, assert_greater_than, assert_raises_rpc_error, find_output, ) import json import os MAX_BIP125_RBF_SEQUENCE = 0xfffffffd # Create one-input, one-output, no-fee transaction: class PSBTTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = False self.num_nodes = 3 self.extra_args = [ ["-walletrbf=1"], ["-walletrbf=0", "-changetype=legacy"], [] ] self.supports_cli = False def skip_test_if_missing_module(self): self.skip_if_no_wallet() # TODO: Re-enable this test with segwit v1 def test_utxo_conversion(self): mining_node = self.nodes[2] offline_node = self.nodes[0] online_node = self.nodes[1] # Disconnect offline node from others # Topology of test network is linear, so this one call is enough self.disconnect_nodes(0, 1) # Create watchonly on online_node online_node.createwallet(wallet_name='wonline', disable_private_keys=True) wonline = online_node.get_wallet_rpc('wonline') w2 = online_node.get_wallet_rpc('') # Mine a transaction that credits the offline address offline_addr = offline_node.getnewaddress(address_type="p2sh-segwit") online_addr = w2.getnewaddress(address_type="p2sh-segwit") wonline.importaddress(offline_addr, "", False) mining_node.sendtoaddress(address=offline_addr, amount=1.0) mining_node.generate(nblocks=1) self.sync_blocks([mining_node, online_node]) # Construct an unsigned PSBT on the online node (who doesn't know the output is Segwit, so will include a non-witness UTXO) utxos = wonline.listunspent(addresses=[offline_addr]) raw = wonline.createrawtransaction([{"txid":utxos[0]["txid"], "vout":utxos[0]["vout"]}],[{online_addr:0.9999}]) psbt = wonline.walletprocesspsbt(online_node.converttopsbt(raw))["psbt"] assert "non_witness_utxo" in mining_node.decodepsbt(psbt)["inputs"][0] # Have the offline node sign the PSBT (which will update the UTXO to segwit) signed_psbt = offline_node.walletprocesspsbt(psbt)["psbt"] assert "witness_utxo" in mining_node.decodepsbt(signed_psbt)["inputs"][0] # Make sure we can mine the resulting transaction txid = mining_node.sendrawtransaction(mining_node.finalizepsbt(signed_psbt)["hex"]) mining_node.generate(1) self.sync_blocks([mining_node, online_node]) assert_equal(online_node.gettxout(txid,0)["confirmations"], 1) wonline.unloadwallet() # Reconnect self.connect_nodes(0, 1) self.connect_nodes(0, 2) def assert_change_type(self, psbtx, expected_type): """Assert that the given PSBT has a change output with the given type.""" # The decodepsbt RPC is stateless and independent of any settings, we can always just call it on the first node decoded_psbt = self.nodes[0].decodepsbt(psbtx["psbt"]) changepos = psbtx["changepos"] assert_equal(decoded_psbt["tx"]["vout"][changepos]["scriptPubKey"]["type"], expected_type) def run_test(self): # Create and fund a raw tx for sending 10 BTC psbtx1 = self.nodes[0].walletcreatefundedpsbt([], {self.nodes[2].getnewaddress():10})['psbt'] # If inputs are specified, do not automatically add more: utxo1 = self.nodes[0].listunspent()[0] assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[0].walletcreatefundedpsbt, [{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():90}) psbtx1 = self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():90}, 0, {"add_inputs": True})['psbt'] assert_equal(len(self.nodes[0].decodepsbt(psbtx1)['tx']['vin']), 2) # Inputs argument can be null self.nodes[0].walletcreatefundedpsbt(None, {self.nodes[2].getnewaddress():10}) # Node 1 should not be able to add anything to it but still return the psbtx same as before psbtx = self.nodes[1].walletprocesspsbt(psbtx1)['psbt'] assert_equal(psbtx1, psbtx) # Sign the transaction and send signed_tx = self.nodes[0].walletprocesspsbt(psbtx)['psbt'] final_tx = self.nodes[0].finalizepsbt(signed_tx)['hex'] self.nodes[0].sendrawtransaction(final_tx) # Manually selected inputs can be locked: assert_equal(len(self.nodes[0].listlockunspent()), 0) utxo1 = self.nodes[0].listunspent()[0] psbtx1 = self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():1}, 0,{"lockUnspents": True})["psbt"] assert_equal(len(self.nodes[0].listlockunspent()), 1) # Locks are ignored for manually selected inputs self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():1}, 0) # Create p2sh, p2wpkh, and p2wsh addresses pubkey0 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())['pubkey'] pubkey1 = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress())['pubkey'] pubkey2 = self.nodes[2].getaddressinfo(self.nodes[2].getnewaddress())['pubkey'] # Setup watchonly wallets self.nodes[2].createwallet(wallet_name='wmulti', disable_private_keys=True) wmulti = self.nodes[2].get_wallet_rpc('wmulti') # Create all the addresses p2sh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "legacy")['address'] p2wsh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "bech32")['address'] p2sh_p2wsh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "p2sh-segwit")['address'] if not self.options.descriptors: wmulti.importaddress(p2sh) wmulti.importaddress(p2wsh) wmulti.importaddress(p2sh_p2wsh) p2wpkh = self.nodes[1].getnewaddress("", "bech32") p2pkh = self.nodes[1].getnewaddress("", "legacy") p2sh_p2wpkh = self.nodes[1].getnewaddress("", "p2sh-segwit") # fund those addresses rawtx = self.nodes[0].createrawtransaction([], {p2sh:10, p2wsh:10, p2wpkh:10, p2sh_p2wsh:10, p2sh_p2wpkh:10, p2pkh:10}) rawtx = self.nodes[0].fundrawtransaction(rawtx, {"changePosition":3}) signed_tx = self.nodes[0].signrawtransactionwithwallet(rawtx['hex'])['hex'] txid = self.nodes[0].sendrawtransaction(signed_tx) self.nodes[0].generate(6) self.sync_all() # Find the output pos p2sh_pos = -1 p2wsh_pos = -1 p2wpkh_pos = -1 p2pkh_pos = -1 p2sh_p2wsh_pos = -1 p2sh_p2wpkh_pos = -1 decoded = self.nodes[0].decoderawtransaction(signed_tx) for out in decoded['vout']: if out['scriptPubKey']['addresses'][0] == p2sh: p2sh_pos = out['n'] elif out['scriptPubKey']['addresses'][0] == p2wsh: p2wsh_pos = out['n'] elif out['scriptPubKey']['addresses'][0] == p2wpkh: p2wpkh_pos = out['n'] elif out['scriptPubKey']['addresses'][0] == p2sh_p2wsh: p2sh_p2wsh_pos = out['n'] elif out['scriptPubKey']['addresses'][0] == p2sh_p2wpkh: p2sh_p2wpkh_pos = out['n'] elif out['scriptPubKey']['addresses'][0] == p2pkh: p2pkh_pos = out['n'] inputs = [{"txid": txid, "vout": p2wpkh_pos}, {"txid": txid, "vout": p2sh_p2wpkh_pos}, {"txid": txid, "vout": p2pkh_pos}] outputs = [{self.nodes[1].getnewaddress(): 29.99}] # spend single key from node 1 created_psbt = self.nodes[1].walletcreatefundedpsbt(inputs, outputs) walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(created_psbt['psbt']) # Make sure it has both types of UTXOs decoded = self.nodes[1].decodepsbt(walletprocesspsbt_out['psbt']) assert 'non_witness_utxo' in decoded['inputs'][0] assert 'witness_utxo' in decoded['inputs'][0] # Check decodepsbt fee calculation (input values shall only be counted once per UTXO) assert_equal(decoded['fee'], created_psbt['fee']) assert_equal(walletprocesspsbt_out['complete'], True) self.nodes[1].sendrawtransaction(self.nodes[1].finalizepsbt(walletprocesspsbt_out['psbt'])['hex']) self.log.info("Test walletcreatefundedpsbt fee rate of 10000 sat/vB and 0.1 BTC/kvB produces a total fee at or slightly below -maxtxfee (~0.05290000)") res1 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"fee_rate": 10000, "add_inputs": True}) assert_approx(res1["fee"], 0.055, 0.005) res2 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.1, "add_inputs": True}) assert_approx(res2["fee"], 0.055, 0.005) self.log.info("Test min fee rate checks with walletcreatefundedpsbt are bypassed, e.g. a fee_rate under 1 sat/vB is allowed") res3 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"fee_rate": 0.99999999, "add_inputs": True}) assert_approx(res3["fee"], 0.00000381, 0.0000001) res4 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.00000999, "add_inputs": True}) assert_approx(res4["fee"], 0.00000381, 0.0000001) self.log.info("Test invalid fee rate settings") assert_raises_rpc_error(-8, "Invalid fee_rate 0.000 sat/vB (must be greater than 0)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": 0, "add_inputs": True}) assert_raises_rpc_error(-8, "Invalid feeRate 0.00000000 BTC/kvB (must be greater than 0)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"feeRate": 0, "add_inputs": True}) for param, value in {("fee_rate", 100000), ("feeRate", 1)}: assert_raises_rpc_error(-4, "Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: value, "add_inputs": True}) assert_raises_rpc_error(-3, "Amount out of range", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": -1, "add_inputs": True}) assert_raises_rpc_error(-3, "Amount is not a number or string", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": {"foo": "bar"}, "add_inputs": True}) assert_raises_rpc_error(-3, "Invalid amount", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": "", "add_inputs": True}) self.log.info("- raises RPC error if both feeRate and fee_rate are passed") assert_raises_rpc_error(-8, "Cannot specify both fee_rate (sat/vB) and feeRate (BTC/kvB)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": 0.1, "feeRate": 0.1, "add_inputs": True}) self.log.info("- raises RPC error if both feeRate and estimate_mode passed") assert_raises_rpc_error(-8, "Cannot specify both estimate_mode and feeRate", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": "economical", "feeRate": 0.1, "add_inputs": True}) for param in ["feeRate", "fee_rate"]: self.log.info("- raises RPC error if both {} and conf_target are passed".format(param)) assert_raises_rpc_error(-8, "Cannot specify both conf_target and {}. Please provide either a confirmation " "target in blocks for automatic fee estimation, or an explicit fee rate.".format(param), self.nodes[1].walletcreatefundedpsbt ,inputs, outputs, 0, {param: 1, "conf_target": 1, "add_inputs": True}) self.log.info("- raises RPC error if both fee_rate and estimate_mode are passed") assert_raises_rpc_error(-8, "Cannot specify both estimate_mode and fee_rate", self.nodes[1].walletcreatefundedpsbt ,inputs, outputs, 0, {"fee_rate": 1, "estimate_mode": "economical", "add_inputs": True}) self.log.info("- raises RPC error with invalid estimate_mode settings") for k, v in {"number": 42, "object": {"foo": "bar"}}.items(): assert_raises_rpc_error(-3, "Expected type string for estimate_mode, got {}".format(k), self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": v, "conf_target": 0.1, "add_inputs": True}) for mode in ["", "foo", Decimal("3.141592")]: assert_raises_rpc_error(-8, 'Invalid estimate_mode parameter, must be one of: "unset", "economical", "conservative"', self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": 0.1, "add_inputs": True}) self.log.info("- raises RPC error with invalid conf_target settings") for mode in ["unset", "economical", "conservative"]: self.log.debug("{}".format(mode)) for k, v in {"string": "", "object": {"foo": "bar"}}.items(): assert_raises_rpc_error(-3, "Expected type number for conf_target, got {}".format(k), self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": v, "add_inputs": True}) for n in [-1, 0, 1009]: assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008", # max value of 1008 per src/policy/fees.h self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": n, "add_inputs": True}) self.log.info("Test walletcreatefundedpsbt with too-high fee rate produces total fee well above -maxtxfee and raises RPC error") # previously this was silently capped at -maxtxfee for bool_add, outputs_array in {True: outputs, False: [{self.nodes[1].getnewaddress(): 1}]}.items(): msg = "Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)" assert_raises_rpc_error(-4, msg, self.nodes[1].walletcreatefundedpsbt, inputs, outputs_array, 0, {"fee_rate": 1000000, "add_inputs": bool_add}) assert_raises_rpc_error(-4, msg, self.nodes[1].walletcreatefundedpsbt, inputs, outputs_array, 0, {"feeRate": 1, "add_inputs": bool_add}) self.log.info("Test various PSBT operations") # partially sign multisig things with node 1 psbtx = wmulti.walletcreatefundedpsbt(inputs=[{"txid":txid,"vout":p2wsh_pos},{"txid":txid,"vout":p2sh_pos},{"txid":txid,"vout":p2sh_p2wsh_pos}], outputs={self.nodes[1].getnewaddress():29.99}, options={'changeAddress': self.nodes[1].getrawchangeaddress()})['psbt'] walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(psbtx) psbtx = walletprocesspsbt_out['psbt'] assert_equal(walletprocesspsbt_out['complete'], False) # Unload wmulti, we don't need it anymore wmulti.unloadwallet() # partially sign with node 2. This should be complete and sendable walletprocesspsbt_out = self.nodes[2].walletprocesspsbt(psbtx) assert_equal(walletprocesspsbt_out['complete'], True) self.nodes[2].sendrawtransaction(self.nodes[2].finalizepsbt(walletprocesspsbt_out['psbt'])['hex']) # check that walletprocesspsbt fails to decode a non-psbt rawtx = self.nodes[1].createrawtransaction([{"txid":txid,"vout":p2wpkh_pos}], {self.nodes[1].getnewaddress():9.99}) assert_raises_rpc_error(-22, "TX decode failed", self.nodes[1].walletprocesspsbt, rawtx) # Convert a non-psbt to psbt and make sure we can decode it rawtx = self.nodes[0].createrawtransaction([], {self.nodes[1].getnewaddress():10}) rawtx = self.nodes[0].fundrawtransaction(rawtx) new_psbt = self.nodes[0].converttopsbt(rawtx['hex']) self.nodes[0].decodepsbt(new_psbt) # Make sure that a non-psbt with signatures cannot be converted # Error could be either "TX decode failed" (segwit inputs causes parsing to fail) or "Inputs must not have scriptSigs and scriptWitnesses" # We must set iswitness=True because the serialized transaction has inputs and is therefore a witness transaction signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx['hex']) assert_raises_rpc_error(-22, "", self.nodes[0].converttopsbt, hexstring=signedtx['hex'], iswitness=True) assert_raises_rpc_error(-22, "", self.nodes[0].converttopsbt, hexstring=signedtx['hex'], permitsigdata=False, iswitness=True) # Unless we allow it to convert and strip signatures self.nodes[0].converttopsbt(signedtx['hex'], True) # Explicitly allow converting non-empty txs new_psbt = self.nodes[0].converttopsbt(rawtx['hex']) self.nodes[0].decodepsbt(new_psbt) # Create outputs to nodes 1 and 2 node1_addr = self.nodes[1].getnewaddress() node2_addr = self.nodes[2].getnewaddress() txid1 = self.nodes[0].sendtoaddress(node1_addr, 13) txid2 = self.nodes[0].sendtoaddress(node2_addr, 13) blockhash = self.nodes[0].generate(6)[0] self.sync_all() vout1 = find_output(self.nodes[1], txid1, 13, blockhash=blockhash) vout2 = find_output(self.nodes[2], txid2, 13, blockhash=blockhash) # Create a psbt spending outputs from nodes 1 and 2 psbt_orig = self.nodes[0].createpsbt([{"txid":txid1, "vout":vout1}, {"txid":txid2, "vout":vout2}], {self.nodes[0].getnewaddress():25.999}) # Update psbts, should only have data for one input and not the other psbt1 = self.nodes[1].walletprocesspsbt(psbt_orig, False, "ALL")['psbt'] psbt1_decoded = self.nodes[0].decodepsbt(psbt1) assert psbt1_decoded['inputs'][0] and not psbt1_decoded['inputs'][1] # Check that BIP32 path was added assert "bip32_derivs" in psbt1_decoded['inputs'][0] psbt2 = self.nodes[2].walletprocesspsbt(psbt_orig, False, "ALL", False)['psbt'] psbt2_decoded = self.nodes[0].decodepsbt(psbt2) assert not psbt2_decoded['inputs'][0] and psbt2_decoded['inputs'][1] # Check that BIP32 paths were not added assert "bip32_derivs" not in psbt2_decoded['inputs'][1] # Sign PSBTs (workaround issue #18039) psbt1 = self.nodes[1].walletprocesspsbt(psbt_orig)['psbt'] psbt2 = self.nodes[2].walletprocesspsbt(psbt_orig)['psbt'] # Combine, finalize, and send the psbts combined = self.nodes[0].combinepsbt([psbt1, psbt2]) finalized = self.nodes[0].finalizepsbt(combined)['hex'] self.nodes[0].sendrawtransaction(finalized) self.nodes[0].generate(6) self.sync_all() # Test additional args in walletcreatepsbt # Make sure both pre-included and funded inputs # have the correct sequence numbers based on # replaceable arg block_height = self.nodes[0].getblockcount() unspent = self.nodes[0].listunspent()[0] psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], block_height+2, {"replaceable": False, "add_inputs": True}, False) decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"]) for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]): assert_greater_than(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE) assert "bip32_derivs" not in psbt_in assert_equal(decoded_psbt["tx"]["locktime"], block_height+2) # Same construction with only locktime set and RBF explicitly enabled psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], block_height, {"replaceable": True, "add_inputs": True}, True) decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"]) for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]): assert_equal(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE) assert "bip32_derivs" in psbt_in assert_equal(decoded_psbt["tx"]["locktime"], block_height) # Same construction without optional arguments psbtx_info = self.nodes[0].walletcreatefundedpsbt([], [{self.nodes[2].getnewaddress():unspent["amount"]+1}]) decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"]) for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]): assert_equal(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE) assert "bip32_derivs" in psbt_in assert_equal(decoded_psbt["tx"]["locktime"], 0) # Same construction without optional arguments, for a node with -walletrbf=0 unspent1 = self.nodes[1].listunspent()[0] psbtx_info = self.nodes[1].walletcreatefundedpsbt([{"txid":unspent1["txid"], "vout":unspent1["vout"]}], [{self.nodes[2].getnewaddress():unspent1["amount"]+1}], block_height, {"add_inputs": True}) decoded_psbt = self.nodes[1].decodepsbt(psbtx_info["psbt"]) for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]): assert_greater_than(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE) assert "bip32_derivs" in psbt_in # Make sure change address wallet does not have P2SH innerscript access to results in success # when attempting BnB coin selection self.nodes[0].walletcreatefundedpsbt([], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], block_height+2, {"changeAddress":self.nodes[1].getnewaddress()}, False) # Make sure the wallet's change type is respected by default small_output = {self.nodes[0].getnewaddress():0.1} psbtx_native = self.nodes[0].walletcreatefundedpsbt([], [small_output]) self.assert_change_type(psbtx_native, "witness_v0_keyhash") psbtx_legacy = self.nodes[1].walletcreatefundedpsbt([], [small_output]) self.assert_change_type(psbtx_legacy, "pubkeyhash") # Make sure the change type of the wallet can also be overwritten psbtx_np2wkh = self.nodes[1].walletcreatefundedpsbt([], [small_output], 0, {"change_type":"p2sh-segwit"}) self.assert_change_type(psbtx_np2wkh, "scripthash") # Make sure the change type cannot be specified if a change address is given invalid_options = {"change_type":"legacy","changeAddress":self.nodes[0].getnewaddress()} assert_raises_rpc_error(-8, "both change address and address type options", self.nodes[0].walletcreatefundedpsbt, [], [small_output], 0, invalid_options) # Regression test for 14473 (mishandling of already-signed witness transaction): psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], 0, {"add_inputs": True}) complete_psbt = self.nodes[0].walletprocesspsbt(psbtx_info["psbt"]) double_processed_psbt = self.nodes[0].walletprocesspsbt(complete_psbt["psbt"]) assert_equal(complete_psbt, double_processed_psbt) # We don't care about the decode result, but decoding must succeed. self.nodes[0].decodepsbt(double_processed_psbt["psbt"]) # BIP 174 Test Vectors # Check that unknown values are just passed through unknown_psbt = "cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAACg8BAgMEBQYHCAkPAQIDBAUGBwgJCgsMDQ4PAAA=" unknown_out = self.nodes[0].walletprocesspsbt(unknown_psbt)['psbt'] assert_equal(unknown_psbt, unknown_out) # Open the data file with open(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'data/rpc_psbt.json'), encoding='utf-8') as f: d = json.load(f) invalids = d['invalid'] valids = d['valid'] creators = d['creator'] signers = d['signer'] combiners = d['combiner'] finalizers = d['finalizer'] extractors = d['extractor'] # Invalid PSBTs for invalid in invalids: assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decodepsbt, invalid) # Valid PSBTs for valid in valids: self.nodes[0].decodepsbt(valid) # Creator Tests for creator in creators: created_tx = self.nodes[0].createpsbt(creator['inputs'], creator['outputs']) assert_equal(created_tx, creator['result']) # Signer tests for i, signer in enumerate(signers): self.nodes[2].createwallet(wallet_name="wallet{}".format(i)) wrpc = self.nodes[2].get_wallet_rpc("wallet{}".format(i)) for key in signer['privkeys']: wrpc.importprivkey(key) signed_tx = wrpc.walletprocesspsbt(signer['psbt'])['psbt'] assert_equal(signed_tx, signer['result']) # Combiner test for combiner in combiners: combined = self.nodes[2].combinepsbt(combiner['combine']) assert_equal(combined, combiner['result']) # Empty combiner test assert_raises_rpc_error(-8, "Parameter 'txs' cannot be empty", self.nodes[0].combinepsbt, []) # Finalizer test for finalizer in finalizers: finalized = self.nodes[2].finalizepsbt(finalizer['finalize'], False)['psbt'] assert_equal(finalized, finalizer['result']) # Extractor test for extractor in extractors: extracted = self.nodes[2].finalizepsbt(extractor['extract'], True)['hex'] assert_equal(extracted, extractor['result']) # Unload extra wallets for i, signer in enumerate(signers): self.nodes[2].unloadwallet("wallet{}".format(i)) # TODO: Re-enable this for segwit v1 # self.test_utxo_conversion() # Test that psbts with p2pkh outputs are created properly p2pkh = self.nodes[0].getnewaddress(address_type='legacy') psbt = self.nodes[1].walletcreatefundedpsbt([], [{p2pkh : 1}], 0, {"includeWatching" : True}, True) self.nodes[0].decodepsbt(psbt['psbt']) # Test decoding error: invalid base64 assert_raises_rpc_error(-22, "TX decode failed invalid base64", self.nodes[0].decodepsbt, ";definitely not base64;") # Send to all types of addresses addr1 = self.nodes[1].getnewaddress("", "bech32") txid1 = self.nodes[0].sendtoaddress(addr1, 11) vout1 = find_output(self.nodes[0], txid1, 11) addr2 = self.nodes[1].getnewaddress("", "legacy") txid2 = self.nodes[0].sendtoaddress(addr2, 11) vout2 = find_output(self.nodes[0], txid2, 11) addr3 = self.nodes[1].getnewaddress("", "p2sh-segwit") txid3 = self.nodes[0].sendtoaddress(addr3, 11) vout3 = find_output(self.nodes[0], txid3, 11) self.sync_all() def test_psbt_input_keys(psbt_input, keys): """Check that the psbt input has only the expected keys.""" assert_equal(set(keys), set(psbt_input.keys())) # Create a PSBT. None of the inputs are filled initially psbt = self.nodes[1].createpsbt([{"txid":txid1, "vout":vout1},{"txid":txid2, "vout":vout2},{"txid":txid3, "vout":vout3}], {self.nodes[0].getnewaddress():32.999}) decoded = self.nodes[1].decodepsbt(psbt) test_psbt_input_keys(decoded['inputs'][0], []) test_psbt_input_keys(decoded['inputs'][1], []) test_psbt_input_keys(decoded['inputs'][2], []) # Update a PSBT with UTXOs from the node # Bech32 inputs should be filled with witness UTXO. Other inputs should not be filled because they are non-witness updated = self.nodes[1].utxoupdatepsbt(psbt) decoded = self.nodes[1].decodepsbt(updated) test_psbt_input_keys(decoded['inputs'][0], ['witness_utxo']) test_psbt_input_keys(decoded['inputs'][1], []) test_psbt_input_keys(decoded['inputs'][2], []) # Try again, now while providing descriptors, making P2SH-segwit work, and causing bip32_derivs and redeem_script to be filled in descs = [self.nodes[1].getaddressinfo(addr)['desc'] for addr in [addr1,addr2,addr3]] updated = self.nodes[1].utxoupdatepsbt(psbt=psbt, descriptors=descs) decoded = self.nodes[1].decodepsbt(updated) test_psbt_input_keys(decoded['inputs'][0], ['witness_utxo', 'bip32_derivs']) test_psbt_input_keys(decoded['inputs'][1], []) test_psbt_input_keys(decoded['inputs'][2], ['witness_utxo', 'bip32_derivs', 'redeem_script']) # 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("", "p2sh-segwit") 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_scriptwitness" in psbt2_decoded['inputs'][0] and "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_scriptwitness" not in joined_decoded['inputs'][3] and "final_scriptSig" not in joined_decoded['inputs'][3] # Check that joining shuffles the inputs and outputs # 10 attempts should be enough to get a shuffled join shuffled = False for _ in range(10): shuffled_joined = self.nodes[0].joinpsbts([psbt, psbt2]) shuffled |= joined != shuffled_joined if shuffled: break assert shuffled # Newly created PSBT needs UTXOs and updating addr = self.nodes[1].getnewaddress("", "p2sh-segwit") txid = self.nodes[0].sendtoaddress(addr, 7) addrinfo = self.nodes[1].getaddressinfo(addr) blockhash = self.nodes[0].generate(6)[0] self.sync_all() vout = find_output(self.nodes[0], txid, 7, blockhash=blockhash) psbt = self.nodes[1].createpsbt([{"txid":txid, "vout":vout}], {self.nodes[0].getnewaddress("", "p2sh-segwit"):Decimal('6.999')}) analyzed = self.nodes[0].analyzepsbt(psbt) assert not analyzed['inputs'][0]['has_utxo'] and not analyzed['inputs'][0]['is_final'] and analyzed['inputs'][0]['next'] == 'updater' and analyzed['next'] == 'updater' # After update with wallet, only needs signing updated = self.nodes[1].walletprocesspsbt(psbt, False, 'ALL', True)['psbt'] analyzed = self.nodes[0].analyzepsbt(updated) assert analyzed['inputs'][0]['has_utxo'] and not analyzed['inputs'][0]['is_final'] and analyzed['inputs'][0]['next'] == 'signer' and analyzed['next'] == 'signer' and analyzed['inputs'][0]['missing']['signatures'][0] == addrinfo['embedded']['witness_program'] # Check fee and size things assert analyzed['fee'] == Decimal('0.001') and analyzed['estimated_vsize'] == 134 and analyzed['estimated_feerate'] == Decimal('0.00746268') # After signing and finalizing, needs extracting signed = self.nodes[1].walletprocesspsbt(updated)['psbt'] analyzed = self.nodes[0].analyzepsbt(signed) assert analyzed['inputs'][0]['has_utxo'] and analyzed['inputs'][0]['is_final'] and analyzed['next'] == 'extractor' self.log.info("PSBT spending unspendable outputs should have error message and Creator as next") analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWAEHYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFv8/wADXYP/7//////8JxOh0LR2HAI8AAAAAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHEAABAACAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHENkMak8AAAAA') assert_equal(analysis['next'], 'creator') assert_equal(analysis['error'], 'PSBT is not valid. Input 0 spends unspendable output') self.log.info("PSBT with invalid values should have error message and Creator as next") analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8AgIFq49AHABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA') assert_equal(analysis['next'], 'creator') assert_equal(analysis['error'], 'PSBT is not valid. Input 0 has invalid value') self.log.info("PSBT with signed, but not finalized, inputs should have Finalizer as next") analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAZYezcxdnbXoQCmrD79t/LzDgtUo9ERqixk8wgioAobrAAAAAAD9////AlDDAAAAAAAAFgAUy/UxxZuzZswcmFnN/E9DGSiHLUsuGPUFAAAAABYAFLsH5o0R38wXx+X2cCosTMCZnQ4baAAAAAABAR8A4fUFAAAAABYAFOBI2h5thf3+Lflb2LGCsVSZwsltIgIC/i4dtVARCRWtROG0HHoGcaVklzJUcwo5homgGkSNAnJHMEQCIGx7zKcMIGr7cEES9BR4Kdt/pzPTK3fKWcGyCJXb7MVnAiALOBgqlMH4GbC1HDh/HmylmO54fyEy4lKde7/BT/PWxwEBAwQBAAAAIgYC/i4dtVARCRWtROG0HHoGcaVklzJUcwo5homgGkSNAnIYDwVpQ1QAAIABAACAAAAAgAAAAAAAAAAAAAAiAgL+CIiB59NSCssOJRGiMYQK1chahgAaaJpIXE41Cyir+xgPBWlDVAAAgAEAAIAAAACAAQAAAAAAAAAA') assert_equal(analysis['next'], 'finalizer') analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgCAgWrj0AcAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8A8gUqAQAAABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA') assert_equal(analysis['next'], 'creator') assert_equal(analysis['error'], 'PSBT is not valid. Output amount invalid') analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==') assert_equal(analysis['next'], 'creator') assert_equal(analysis['error'], 'PSBT is not valid. Input 0 specifies invalid prevout') assert_raises_rpc_error(-25, 'Inputs missing or spent', self.nodes[0].walletprocesspsbt, 'cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==') if __name__ == '__main__': PSBTTest().main()