def get_request_id(self, tx_hex): tx = FromHex(CTransaction(), tx_hex) request_id_buf = ser_string(b"islock") + ser_compact_size(len(tx.vin)) for txin in tx.vin: request_id_buf += txin.prevout.serialize() return hash256(request_id_buf)[::-1].hex()
def next_block(self, number, spend=None, script=CScript( [OP_TRUE]), block_size=0, extra_txns=0): if self.tip is None: base_block_hash = self.genesis_hash block_time = int(time.time()) + 1 else: base_block_hash = self.tip.sha256 block_time = self.tip.nTime + 1 # First create the coinbase height = self.block_heights[base_block_hash] + 1 coinbase = create_coinbase(height) coinbase.rehash() if spend is None: # We need to have something to spend to fill the block. assert_equal(block_size, 0) block = create_block(base_block_hash, coinbase, block_time) else: # all but one satoshi to fees coinbase.vout[0].nValue += spend.tx.vout[spend.n].nValue - 1 coinbase.rehash() block = create_block(base_block_hash, coinbase, block_time) # Make sure we have plenty enough to spend going forward. spendable_outputs = deque([spend]) def get_base_transaction(): # Create the new transaction tx = CTransaction() # Spend from one of the spendable outputs spend = spendable_outputs.popleft() tx.vin.append(CTxIn(COutPoint(spend.tx.sha256, spend.n))) # Add spendable outputs for i in range(4): tx.vout.append(CTxOut(0, CScript([OP_TRUE]))) spendable_outputs.append(PreviousSpendableOutput(tx, i)) pad_tx(tx) return tx tx = get_base_transaction() # Make it the same format as transaction added for padding and save the size. # It's missing the padding output, so we add a constant to account # for it. tx.rehash() # If a specific script is required, add it. if script is not None: tx.vout.append(CTxOut(1, script)) # Put some random data into the first transaction of the chain to # randomize ids. tx.vout.append( CTxOut(0, CScript([random.randint(0, 256), OP_RETURN]))) # Add the transaction to the block self.add_transactions_to_block(block, [tx]) # Add transaction until we reach the expected transaction count for _ in range(extra_txns): self.add_transactions_to_block(block, [get_base_transaction()]) # If we have a block size requirement, just fill # the block until we get there current_block_size = len(block.serialize()) overage_bytes = 0 while current_block_size < block_size: # We will add a new transaction. That means the size of # the field enumerating how many transaction go in the block # may change. current_block_size -= len(ser_compact_size(len(block.vtx))) current_block_size += len(ser_compact_size(len(block.vtx) + 1)) # Add padding to fill the block. left_to_fill = block_size - current_block_size # Don't go over the 1 mb limit for a txn if left_to_fill > 500000: # Make sure we eat up non-divisible by 100 amounts quickly # Also keep transaction less than 1 MB left_to_fill = 500000 + left_to_fill % 100 # Create the new transaction tx = get_base_transaction() pad_tx(tx, left_to_fill - overage_bytes) if len(tx.serialize()) + current_block_size > block_size: # Our padding was too big try again overage_bytes += 1 continue # Add the tx to the list of transactions to be included # in the block. self.add_transactions_to_block(block, [tx]) current_block_size += len(tx.serialize()) # Now that we added a bunch of transaction, we need to recompute # the merkle root. make_conform_to_ctor(block) block.hashMerkleRoot = block.calc_merkle_root() # Check that the block size is what's expected if block_size > 0: assert_equal(len(block.serialize()), block_size) # Do PoW, which is cheap on regnet block.solve() self.tip = block self.block_heights[block.sha256] = height assert number not in self.blocks self.blocks[number] = block return block
def compact_size_to_str(size): str_bytes = codecs.encode(ser_compact_size(size), 'hex') return str(str_bytes, 'utf-8')
def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_sigops=0): if self.tip == None: base_block_hash = self.genesis_hash block_time = int(time.time()) + 1 else: base_block_hash = self.tip.sha256 block_time = self.tip.nTime + 1 # First create the coinbase height = self.block_heights[base_block_hash] + 1 coinbase = create_coinbase(height) coinbase.rehash() if spend == None: # We need to have something to spend to fill the block. assert_equal(block_size, 0) block = create_block(base_block_hash, coinbase, block_time) else: # all but one satoshi to fees coinbase.vout[0].nValue += spend.tx.vout[spend.n].nValue - 1 coinbase.rehash() block = create_block(base_block_hash, coinbase, block_time) # Make sure we have plenty engough to spend going forward. spendable_outputs = deque([spend]) def get_base_transaction(): # Create the new transaction tx = CTransaction() # Spend from one of the spendable outputs spend = spendable_outputs.popleft() tx.vin.append(CTxIn(COutPoint(spend.tx.sha256, spend.n))) # Add spendable outputs for i in range(4): tx.vout.append(CTxOut(0, CScript([OP_TRUE]))) spendable_outputs.append(PreviousSpendableOutput(tx, i)) return tx tx = get_base_transaction() # Make it the same format as transaction added for padding and save the size. # It's missing the padding output, so we add a constant to account for it. tx.rehash() base_tx_size = len(tx.serialize()) + 18 # If a specific script is required, add it. if script != None: tx.vout.append(CTxOut(1, script)) # Put some random data into the first transaction of the chain to randomize ids. tx.vout.append( CTxOut(0, CScript([random.randint(0, 256), OP_RETURN]))) # Add the transaction to the block self.add_transactions_to_block(block, [tx]) # If we have a block size requirement, just fill # the block until we get there current_block_size = len(block.serialize()) while current_block_size < block_size: # We will add a new transaction. That means the size of # the field enumerating how many transaction go in the block # may change. current_block_size -= len(ser_compact_size(len(block.vtx))) current_block_size += len(ser_compact_size(len(block.vtx) + 1)) # Create the new transaction tx = get_base_transaction() # Add padding to fill the block. script_length = block_size - current_block_size - base_tx_size if script_length > 510000: if script_length < 1000000: # Make sure we don't find ourselves in a position where we # need to generate a transaction smaller than what we expected. script_length = script_length // 2 else: script_length = 500000 tx_sigops = min(extra_sigops, script_length, MAX_TX_SIGOPS_COUNT) extra_sigops -= tx_sigops script_pad_len = script_length - tx_sigops script_output = CScript([b'\x00' * script_pad_len] + [OP_CHECKSIG] * tx_sigops) tx.vout.append(CTxOut(0, script_output)) # Add the tx to the list of transactions to be included # in the block. self.add_transactions_to_block(block, [tx]) current_block_size += len(tx.serialize()) # Now that we added a bunch of transaction, we need to recompute # the merkle root. make_conform_to_ctor(block) block.hashMerkleRoot = block.calc_merkle_root() # Check that the block size is what's expected if block_size > 0: assert_equal(len(block.serialize()), block_size) # Do PoW, which is cheap on regnet block.solve() self.tip = block self.block_heights[block.sha256] = height assert number not in self.blocks self.blocks[number] = block return block
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) # Node 0 should not be able to sign the transaction with the wallet is locked self.nodes[0].encryptwallet("password") assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].walletprocesspsbt, psbtx) # Node 0 should be able to process without signing though unsigned_tx = self.nodes[0].walletprocesspsbt(psbtx, False) assert_equal(unsigned_tx['complete'], False) self.nodes[0].walletpassphrase(passphrase="password", timeout=1000000) # Sign the transaction and send signed_tx = self.nodes[0].walletprocesspsbt(psbt=psbtx, finalize=False)['psbt'] finalized_tx = self.nodes[0].walletprocesspsbt(psbt=psbtx, finalize=True)['psbt'] assert signed_tx != finalized_tx 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.generate(self.nodes[0], 6) # 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']['address'] == p2sh: p2sh_pos = out['n'] elif out['scriptPubKey']['address'] == p2wsh: p2wsh_pos = out['n'] elif out['scriptPubKey']['address'] == p2wpkh: p2wpkh_pos = out['n'] elif out['scriptPubKey']['address'] == p2sh_p2wsh: p2sh_p2wsh_pos = out['n'] elif out['scriptPubKey']['address'] == p2sh_p2wpkh: p2sh_p2wpkh_pos = out['n'] elif out['scriptPubKey']['address'] == 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": "0.999", "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 min fee rate checks with walletcreatefundedpsbt are bypassed and that funding non-standard 'zero-fee' transactions is valid") for param, zero_value in product(["fee_rate", "feeRate"], [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]): assert_equal(0, self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {param: zero_value, "add_inputs": True})["fee"]) self.log.info("Test invalid fee rate settings") 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, {param: -1, "add_inputs": True}) assert_raises_rpc_error(-3, "Amount is not a number or string", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: {"foo": "bar"}, "add_inputs": True}) # Test fee rate values that don't pass fixed-point parsing checks. for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]: assert_raises_rpc_error(-3, "Invalid amount", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: invalid_value, "add_inputs": True}) # Test fee_rate values that cannot be represented in sat/vB. for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]: assert_raises_rpc_error(-3, "Invalid amount", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": invalid_value, "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.generate(self.nodes[0], 6)[0] 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.generate(self.nodes[0], 6) # 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"]) # Make sure unsafe inputs are included if specified self.nodes[2].createwallet(wallet_name="unsafe") wunsafe = self.nodes[2].get_wallet_rpc("unsafe") self.nodes[0].sendtoaddress(wunsafe.getnewaddress(), 2) self.sync_mempools() assert_raises_rpc_error(-4, "Insufficient funds", wunsafe.walletcreatefundedpsbt, [], [{self.nodes[0].getnewaddress(): 1}]) wunsafe.walletcreatefundedpsbt([], [{self.nodes[0].getnewaddress(): 1}], 0, {"include_unsafe": True}) # 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'], True, "ALL")['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.generate(self.nodes[0], 6) 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.generate(self.nodes[0], 6)[0] 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('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') 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==') self.log.info("Test that we can fund psbts with external inputs specified") eckey = ECKey() eckey.generate() privkey = bytes_to_wif(eckey.get_bytes()) self.nodes[1].createwallet("extfund") wallet = self.nodes[1].get_wallet_rpc("extfund") # Make a weird but signable script. sh(wsh(pkh())) descriptor accomplishes this desc = descsum_create("sh(wsh(pkh({})))".format(privkey)) if self.options.descriptors: res = self.nodes[0].importdescriptors([{"desc": desc, "timestamp": "now"}]) else: res = self.nodes[0].importmulti([{"desc": desc, "timestamp": "now"}]) assert res[0]["success"] addr = self.nodes[0].deriveaddresses(desc)[0] addr_info = self.nodes[0].getaddressinfo(addr) self.nodes[0].sendtoaddress(addr, 10) self.nodes[0].sendtoaddress(wallet.getnewaddress(), 10) self.generate(self.nodes[0], 6) ext_utxo = self.nodes[0].listunspent(addresses=[addr])[0] # An external input without solving data should result in an error assert_raises_rpc_error(-4, "Insufficient funds", wallet.walletcreatefundedpsbt, [ext_utxo], {self.nodes[0].getnewaddress(): 15}) # But funding should work when the solving data is provided psbt = wallet.walletcreatefundedpsbt([ext_utxo], {self.nodes[0].getnewaddress(): 15}, 0, {"add_inputs": True, "solving_data": {"pubkeys": [addr_info['pubkey']], "scripts": [addr_info["embedded"]["scriptPubKey"], addr_info["embedded"]["embedded"]["scriptPubKey"]]}}) signed = wallet.walletprocesspsbt(psbt['psbt']) assert not signed['complete'] signed = self.nodes[0].walletprocesspsbt(signed['psbt']) assert signed['complete'] self.nodes[0].finalizepsbt(signed['psbt']) psbt = wallet.walletcreatefundedpsbt([ext_utxo], {self.nodes[0].getnewaddress(): 15}, 0, {"add_inputs": True, "solving_data":{"descriptors": [desc]}}) signed = wallet.walletprocesspsbt(psbt['psbt']) assert not signed['complete'] signed = self.nodes[0].walletprocesspsbt(signed['psbt']) assert signed['complete'] final = self.nodes[0].finalizepsbt(signed['psbt'], False) dec = self.nodes[0].decodepsbt(signed["psbt"]) for i, txin in enumerate(dec["tx"]["vin"]): if txin["txid"] == ext_utxo["txid"] and txin["vout"] == ext_utxo["vout"]: input_idx = i break psbt_in = dec["inputs"][input_idx] # Calculate the input weight # (prevout + sequence + length of scriptSig + scriptsig + 1 byte buffer) * WITNESS_SCALE_FACTOR + num scriptWitness stack items + (length of stack item + stack item) * N stack items + 1 byte buffer len_scriptsig = len(psbt_in["final_scriptSig"]["hex"]) // 2 if "final_scriptSig" in psbt_in else 0 len_scriptsig += len(ser_compact_size(len_scriptsig)) + 1 len_scriptwitness = (sum([(len(x) // 2) + len(ser_compact_size(len(x) // 2)) for x in psbt_in["final_scriptwitness"]]) + len(psbt_in["final_scriptwitness"]) + 1) if "final_scriptwitness" in psbt_in else 0 input_weight = ((40 + len_scriptsig) * WITNESS_SCALE_FACTOR) + len_scriptwitness low_input_weight = input_weight // 2 high_input_weight = input_weight * 2 # Input weight error conditions assert_raises_rpc_error( -8, "Input weights should be specified in inputs rather than in options.", wallet.walletcreatefundedpsbt, inputs=[ext_utxo], outputs={self.nodes[0].getnewaddress(): 15}, options={"input_weights": [{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": 1000}]} ) # Funding should also work if the input weight is provided psbt = wallet.walletcreatefundedpsbt( inputs=[{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": input_weight}], outputs={self.nodes[0].getnewaddress(): 15}, options={"add_inputs": True} ) signed = wallet.walletprocesspsbt(psbt["psbt"]) signed = self.nodes[0].walletprocesspsbt(signed["psbt"]) final = self.nodes[0].finalizepsbt(signed["psbt"]) assert self.nodes[0].testmempoolaccept([final["hex"]])[0]["allowed"] # Reducing the weight should have a lower fee psbt2 = wallet.walletcreatefundedpsbt( inputs=[{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": low_input_weight}], outputs={self.nodes[0].getnewaddress(): 15}, options={"add_inputs": True} ) assert_greater_than(psbt["fee"], psbt2["fee"]) # Increasing the weight should have a higher fee psbt2 = wallet.walletcreatefundedpsbt( inputs=[{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": high_input_weight}], outputs={self.nodes[0].getnewaddress(): 15}, options={"add_inputs": True} ) assert_greater_than(psbt2["fee"], psbt["fee"]) # The provided weight should override the calculated weight when solving data is provided psbt3 = wallet.walletcreatefundedpsbt( inputs=[{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": high_input_weight}], outputs={self.nodes[0].getnewaddress(): 15}, options={'add_inputs': True, "solving_data":{"descriptors": [desc]}} ) assert_equal(psbt2["fee"], psbt3["fee"]) # Import the external utxo descriptor so that we can sign for it from the test wallet if self.options.descriptors: res = wallet.importdescriptors([{"desc": desc, "timestamp": "now"}]) else: res = wallet.importmulti([{"desc": desc, "timestamp": "now"}]) assert res[0]["success"] # The provided weight should override the calculated weight for a wallet input psbt3 = wallet.walletcreatefundedpsbt( inputs=[{"txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": high_input_weight}], outputs={self.nodes[0].getnewaddress(): 15}, options={"add_inputs": True} ) assert_equal(psbt2["fee"], psbt3["fee"]) self.log.info("Test signing inputs that the wallet has keys for but is not watching the scripts") self.nodes[1].createwallet(wallet_name="scriptwatchonly", disable_private_keys=True) watchonly = self.nodes[1].get_wallet_rpc("scriptwatchonly") eckey = ECKey() eckey.generate() privkey = bytes_to_wif(eckey.get_bytes()) desc = descsum_create("wsh(pkh({}))".format(eckey.get_pubkey().get_bytes().hex())) if self.options.descriptors: res = watchonly.importdescriptors([{"desc": desc, "timestamp": "now"}]) else: res = watchonly.importmulti([{"desc": desc, "timestamp": "now"}]) assert res[0]["success"] addr = self.nodes[0].deriveaddresses(desc)[0] self.nodes[0].sendtoaddress(addr, 10) self.generate(self.nodes[0], 1) self.nodes[0].importprivkey(privkey) psbt = watchonly.sendall([wallet.getnewaddress()])["psbt"] psbt = self.nodes[0].walletprocesspsbt(psbt)["psbt"] self.nodes[0].sendrawtransaction(self.nodes[0].finalizepsbt(psbt)["hex"]) # Same test but for taproot if self.options.descriptors: eckey = ECKey() eckey.generate() privkey = bytes_to_wif(eckey.get_bytes()) desc = descsum_create("tr({},pk({}))".format(H_POINT, eckey.get_pubkey().get_bytes().hex())) res = watchonly.importdescriptors([{"desc": desc, "timestamp": "now"}]) assert res[0]["success"] addr = self.nodes[0].deriveaddresses(desc)[0] self.nodes[0].sendtoaddress(addr, 10) self.generate(self.nodes[0], 1) self.nodes[0].importdescriptors([{"desc": descsum_create("tr({})".format(privkey)), "timestamp":"now"}]) psbt = watchonly.sendall([wallet.getnewaddress()])["psbt"] psbt = self.nodes[0].walletprocesspsbt(psbt)["psbt"] self.nodes[0].sendrawtransaction(self.nodes[0].finalizepsbt(psbt)["hex"]) self.log.info("Test that walletprocesspsbt both updates and signs a non-updated psbt containing Taproot inputs") addr = self.nodes[0].getnewaddress("", "bech32m") txid = self.nodes[0].sendtoaddress(addr, 1) vout = find_vout_for_address(self.nodes[0], txid, addr) psbt = self.nodes[0].createpsbt([{"txid": txid, "vout": vout}], [{self.nodes[0].getnewaddress(): 0.9999}]) signed = self.nodes[0].walletprocesspsbt(psbt) rawtx = self.nodes[0].finalizepsbt(signed["psbt"])["hex"] self.nodes[0].sendrawtransaction(rawtx) self.generate(self.nodes[0], 1) self.log.info("Test decoding PSBT with per-input preimage types") # note that the decodepsbt RPC doesn't check whether preimages and hashes match hash_ripemd160, preimage_ripemd160 = random_bytes(20), random_bytes(50) hash_sha256, preimage_sha256 = random_bytes(32), random_bytes(50) hash_hash160, preimage_hash160 = random_bytes(20), random_bytes(50) hash_hash256, preimage_hash256 = random_bytes(32), random_bytes(50) tx = CTransaction() tx.vin = [CTxIn(outpoint=COutPoint(hash=int('aa' * 32, 16), n=0), scriptSig=b""), CTxIn(outpoint=COutPoint(hash=int('bb' * 32, 16), n=0), scriptSig=b""), CTxIn(outpoint=COutPoint(hash=int('cc' * 32, 16), n=0), scriptSig=b""), CTxIn(outpoint=COutPoint(hash=int('dd' * 32, 16), n=0), scriptSig=b"")] tx.vout = [CTxOut(nValue=0, scriptPubKey=b"")] psbt = PSBT() psbt.g = PSBTMap({PSBT_GLOBAL_UNSIGNED_TX: tx.serialize()}) psbt.i = [PSBTMap({bytes([PSBT_IN_RIPEMD160]) + hash_ripemd160: preimage_ripemd160}), PSBTMap({bytes([PSBT_IN_SHA256]) + hash_sha256: preimage_sha256}), PSBTMap({bytes([PSBT_IN_HASH160]) + hash_hash160: preimage_hash160}), PSBTMap({bytes([PSBT_IN_HASH256]) + hash_hash256: preimage_hash256})] psbt.o = [PSBTMap()] res_inputs = self.nodes[0].decodepsbt(psbt.to_base64())["inputs"] assert_equal(len(res_inputs), 4) preimage_keys = ["ripemd160_preimages", "sha256_preimages", "hash160_preimages", "hash256_preimages"] expected_hashes = [hash_ripemd160, hash_sha256, hash_hash160, hash_hash256] expected_preimages = [preimage_ripemd160, preimage_sha256, preimage_hash160, preimage_hash256] for res_input, preimage_key, hash, preimage in zip(res_inputs, preimage_keys, expected_hashes, expected_preimages): assert preimage_key in res_input assert_equal(len(res_input[preimage_key]), 1) assert hash.hex() in res_input[preimage_key] assert_equal(res_input[preimage_key][hash.hex()], preimage.hex())
def run_test(self): self.log.info("Setup wallets...") # w0 is a wallet with coinbase rewards w0 = self.nodes[0].get_wallet_rpc(self.default_wallet_name) # w1 is a regular wallet self.nodes[1].createwallet(wallet_name="w1") w1 = self.nodes[1].get_wallet_rpc("w1") # w2 contains the private keys for w3 self.nodes[1].createwallet(wallet_name="w2", blank=True) w2 = self.nodes[1].get_wallet_rpc("w2") xpriv = "tprv8ZgxMBicQKsPfHCsTwkiM1KT56RXbGGTqvc2hgqzycpwbHqqpcajQeMRZoBD35kW4RtyCemu6j34Ku5DEspmgjKdt2qe4SvRch5Kk8B8A2v" xpub = "tpubD6NzVbkrYhZ4YkEfMbRJkQyZe7wTkbTNRECozCtJPtdLRn6cT1QKb8yHjwAPcAr26eHBFYs5iLiFFnCbwPRsncCKUKCfubHDMGKzMVcN1Jg" if self.options.descriptors: w2.importdescriptors([{ "desc": descsum_create("wpkh(" + xpriv + "/0/0/*)"), "timestamp": "now", "range": [0, 100], "active": True }, { "desc": descsum_create("wpkh(" + xpriv + "/0/1/*)"), "timestamp": "now", "range": [0, 100], "active": True, "internal": True }]) else: w2.sethdseed(True) # w3 is a watch-only wallet, based on w2 self.nodes[1].createwallet(wallet_name="w3", disable_private_keys=True) w3 = self.nodes[1].get_wallet_rpc("w3") if self.options.descriptors: # Match the privkeys in w2 for descriptors res = w3.importdescriptors([{ "desc": descsum_create("wpkh(" + xpub + "/0/0/*)"), "timestamp": "now", "range": [0, 100], "keypool": True, "active": True, "watchonly": True }, { "desc": descsum_create("wpkh(" + xpub + "/0/1/*)"), "timestamp": "now", "range": [0, 100], "keypool": True, "active": True, "internal": True, "watchonly": True }]) assert_equal(res, [{"success": True}, {"success": True}]) for _ in range(3): a2_receive = w2.getnewaddress() if not self.options.descriptors: # Because legacy wallets use exclusively hardened derivation, we can't do a ranged import like we do for descriptors a2_change = w2.getrawchangeaddress( ) # doesn't actually use change derivation res = w3.importmulti([{ "desc": w2.getaddressinfo(a2_receive)["desc"], "timestamp": "now", "keypool": True, "watchonly": True }, { "desc": w2.getaddressinfo(a2_change)["desc"], "timestamp": "now", "keypool": True, "internal": True, "watchonly": True }]) assert_equal(res, [{"success": True}, {"success": True}]) w0.sendtoaddress(a2_receive, 10) # fund w3 self.generate(self.nodes[0], 1) if not self.options.descriptors: # w4 has private keys enabled, but only contains watch-only keys (from w2) # This is legacy wallet behavior only as descriptor wallets don't allow watchonly and non-watchonly things in the same wallet. self.nodes[1].createwallet(wallet_name="w4", disable_private_keys=False) w4 = self.nodes[1].get_wallet_rpc("w4") for _ in range(3): a2_receive = w2.getnewaddress() res = w4.importmulti([{ "desc": w2.getaddressinfo(a2_receive)["desc"], "timestamp": "now", "keypool": False, "watchonly": True }]) assert_equal(res, [{"success": True}]) w0.sendtoaddress(a2_receive, 10) # fund w4 self.generate(self.nodes[0], 1) self.log.info("Send to address...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True) self.log.info("Don't broadcast...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False) assert (res["hex"]) self.log.info("Return PSBT...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, psbt=True) assert (res["psbt"]) self.log.info( "Create transaction that spends to address, but don't broadcast..." ) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False) # conf_target & estimate_mode can be set as argument or option res1 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=1, arg_estimate_mode="economical", add_to_wallet=False) res2 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=1, estimate_mode="economical", add_to_wallet=False) assert_equal(self.nodes[1].decodepsbt(res1["psbt"])["fee"], self.nodes[1].decodepsbt(res2["psbt"])["fee"]) # but not at the same time for mode in ["unset", "economical", "conservative"]: self.test_send( from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=1, arg_estimate_mode="economical", conf_target=1, estimate_mode=mode, add_to_wallet=False, expect_error= (-8, "Pass conf_target and estimate_mode either as arguments or in the options object, but not both" )) self.log.info("Create PSBT from watch-only wallet w3, sign with w2...") res = self.test_send(from_wallet=w3, to_wallet=w1, amount=1) res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] if not self.options.descriptors: # Descriptor wallets do not allow mixed watch-only and non-watch-only things in the same wallet. # This is specifically testing that w4 ignores its own private keys and creates a psbt with send # which is not something that needs to be tested in descriptor wallets. self.log.info( "Create PSBT from wallet w4 with watch-only keys, sign with w2..." ) self.test_send(from_wallet=w4, to_wallet=w1, amount=1, expect_error=(-4, "Insufficient funds")) res = self.test_send(from_wallet=w4, to_wallet=w1, amount=1, include_watching=True, add_to_wallet=False) res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] self.log.info("Create OP_RETURN...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1) self.test_send( from_wallet=w0, data="Hello World", expect_error=( -8, "Data must be hexadecimal string (not 'Hello World')")) self.test_send(from_wallet=w0, data="23") res = self.test_send(from_wallet=w3, data="23") res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] self.log.info("Test setting explicit fee rate") res1 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate="1", add_to_wallet=False) res2 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate="1", add_to_wallet=False) assert_equal(self.nodes[1].decodepsbt(res1["psbt"])["fee"], self.nodes[1].decodepsbt(res2["psbt"])["fee"]) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=7, add_to_wallet=False) fee = self.nodes[1].decodepsbt(res["psbt"])["fee"] assert_fee_amount(fee, count_bytes(res["hex"]), Decimal("0.00007")) # "unset" and None are treated the same for estimate_mode res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=2, estimate_mode="unset", add_to_wallet=False) fee = self.nodes[1].decodepsbt(res["psbt"])["fee"] assert_fee_amount(fee, count_bytes(res["hex"]), Decimal("0.00002")) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=4.531, add_to_wallet=False) fee = self.nodes[1].decodepsbt(res["psbt"])["fee"] assert_fee_amount(fee, count_bytes(res["hex"]), Decimal("0.00004531")) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=3, add_to_wallet=False) fee = self.nodes[1].decodepsbt(res["psbt"])["fee"] assert_fee_amount(fee, count_bytes(res["hex"]), Decimal("0.00003")) # Test that passing fee_rate as both an argument and an option raises. self.test_send( from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=1, fee_rate=1, add_to_wallet=False, expect_error= (-8, "Pass the fee_rate either as an argument, or in the options object, but not both" )) assert_raises_rpc_error(-8, "Use fee_rate (sat/vB) instead of feeRate", w0.send, {w1.getnewaddress(): 1}, 6, "conservative", 1, {"feeRate": 0.01}) assert_raises_rpc_error(-3, "Unexpected key totalFee", w0.send, {w1.getnewaddress(): 1}, 6, "conservative", 1, {"totalFee": 0.01}) for target, mode in product([-1, 0, 1009], ["economical", "conservative"]): self.test_send( from_wallet=w0, to_wallet=w1, amount=1, conf_target=target, estimate_mode=mode, expect_error=(-8, "Invalid conf_target, must be between 1 and 1008" )) # max value of 1008 per src/policy/fees.h msg = 'Invalid estimate_mode parameter, must be one of: "unset", "economical", "conservative"' for target, mode in product([-1, 0], ["btc/kb", "sat/b"]): self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=target, estimate_mode=mode, expect_error=(-8, msg)) for mode in ["", "foo", Decimal("3.141592")]: self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.1, estimate_mode=mode, expect_error=(-8, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=0.1, arg_estimate_mode=mode, expect_error=(-8, msg)) assert_raises_rpc_error(-8, msg, w0.send, {w1.getnewaddress(): 1}, 0.1, mode) for mode in ["economical", "conservative"]: for k, v in { "string": "true", "bool": True, "object": { "foo": "bar" } }.items(): self.test_send( from_wallet=w0, to_wallet=w1, amount=1, conf_target=v, estimate_mode=mode, expect_error=( -3, f"Expected type number for conf_target, got {k}")) # Test setting explicit fee rate just below the minimum of 1 sat/vB. self.log.info( "Explicit fee rate raises RPC error 'fee rate too low' if fee_rate of 0.99999999 is passed" ) msg = "Fee rate (0.999 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)" self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=0.999, expect_error=(-4, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=0.999, expect_error=(-4, msg)) self.log.info("Explicit fee rate raises if invalid fee_rate is passed") # Test fee_rate with zero values. msg = "Fee rate (0.000 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)" for zero_value in [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]: self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=zero_value, expect_error=(-4, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=zero_value, expect_error=(-4, msg)) msg = "Invalid amount" # Test fee_rate values that don't pass fixed-point parsing checks. for invalid_value in [ "", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999" ]: self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg)) # Test fee_rate values that cannot be represented in sat/vB. for invalid_value in [ 0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999" ]: self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg)) # Test fee_rate out of range (negative number). msg = "Amount out of range" self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=-1, expect_error=(-3, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=-1, expect_error=(-3, msg)) # Test type error. msg = "Amount is not a number or string" for invalid_value in [True, {"foo": "bar"}]: self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg)) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg)) # TODO: Return hex if fee rate is below -maxmempool # res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.1, estimate_mode="sat/b", add_to_wallet=False) # assert res["hex"] # hex = res["hex"] # res = self.nodes[0].testmempoolaccept([hex]) # assert not res[0]["allowed"] # assert_equal(res[0]["reject-reason"], "...") # low fee # assert_fee_amount(fee, Decimal(len(res["hex"]) / 2), Decimal("0.000001")) self.log.info( "If inputs are specified, do not automatically add more...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[], add_to_wallet=False) assert res["complete"] utxo1 = w0.listunspent()[0] assert_equal(utxo1["amount"], 50) self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], expect_error=(-4, "Insufficient funds")) self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], add_inputs=False, expect_error=(-4, "Insufficient funds")) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], add_inputs=True, add_to_wallet=False) assert res["complete"] self.log.info("Manual change address and position...") self.test_send( from_wallet=w0, to_wallet=w1, amount=1, change_address="not an address", expect_error=(-5, "Change address must be a valid bitcoin address")) change_address = w0.getnewaddress() self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_address=change_address) assert res["complete"] res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_address=change_address, change_position=0) assert res["complete"] assert_equal( self.nodes[0].decodepsbt( res["psbt"])["tx"]["vout"][0]["scriptPubKey"]["address"], change_address) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_type="legacy", change_position=0) assert res["complete"] change_address = self.nodes[0].decodepsbt( res["psbt"])["tx"]["vout"][0]["scriptPubKey"]["address"] assert change_address[0] == "m" or change_address[0] == "n" self.log.info("Set lock time...") height = self.nodes[0].getblockchaininfo()["blocks"] res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, locktime=height + 1) assert res["complete"] assert res["txid"] txid = res["txid"] # Although the wallet finishes the transaction, it can't be added to the mempool yet: hex = self.nodes[0].gettransaction(res["txid"])["hex"] res = self.nodes[0].testmempoolaccept([hex]) assert not res[0]["allowed"] assert_equal(res[0]["reject-reason"], "non-final") # It shouldn't be confirmed in the next block self.generate(self.nodes[0], 1) assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 0) # The mempool should allow it now: res = self.nodes[0].testmempoolaccept([hex]) assert res[0]["allowed"] # Don't wait for wallet to add it to the mempool: res = self.nodes[0].sendrawtransaction(hex) self.generate(self.nodes[0], 1) assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 1) self.log.info("Lock unspents...") utxo1 = w0.listunspent()[0] assert_greater_than(utxo1["amount"], 1) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, inputs=[utxo1], add_to_wallet=False, lock_unspents=True) assert res["complete"] locked_coins = w0.listlockunspent() assert_equal(len(locked_coins), 1) # Locked coins are automatically unlocked when manually selected res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, inputs=[utxo1], add_to_wallet=False) assert res["complete"] self.log.info("Replaceable...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True, replaceable=True) assert res["complete"] assert_equal( self.nodes[0].gettransaction(res["txid"])["bip125-replaceable"], "yes") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True, replaceable=False) assert res["complete"] assert_equal( self.nodes[0].gettransaction(res["txid"])["bip125-replaceable"], "no") self.log.info("Subtract fee from output") self.test_send(from_wallet=w0, to_wallet=w1, amount=1, subtract_fee_from_outputs=[0]) self.log.info("Include unsafe inputs") self.nodes[1].createwallet(wallet_name="w5") w5 = self.nodes[1].get_wallet_rpc("w5") self.test_send(from_wallet=w0, to_wallet=w5, amount=2) self.test_send(from_wallet=w5, to_wallet=w0, amount=1, expect_error=(-4, "Insufficient funds")) res = self.test_send(from_wallet=w5, to_wallet=w0, amount=1, include_unsafe=True) assert res["complete"] self.log.info("External outputs") eckey = ECKey() eckey.generate() privkey = bytes_to_wif(eckey.get_bytes()) self.nodes[1].createwallet("extsend") ext_wallet = self.nodes[1].get_wallet_rpc("extsend") self.nodes[1].createwallet("extfund") ext_fund = self.nodes[1].get_wallet_rpc("extfund") # Make a weird but signable script. sh(wsh(pkh())) descriptor accomplishes this desc = descsum_create("sh(wsh(pkh({})))".format(privkey)) if self.options.descriptors: res = ext_fund.importdescriptors([{ "desc": desc, "timestamp": "now" }]) else: res = ext_fund.importmulti([{"desc": desc, "timestamp": "now"}]) assert res[0]["success"] addr = self.nodes[0].deriveaddresses(desc)[0] addr_info = ext_fund.getaddressinfo(addr) self.nodes[0].sendtoaddress(addr, 10) self.nodes[0].sendtoaddress(ext_wallet.getnewaddress(), 10) self.generate(self.nodes[0], 6) ext_utxo = ext_fund.listunspent(addresses=[addr])[0] # An external input without solving data should result in an error self.test_send(from_wallet=ext_wallet, to_wallet=self.nodes[0], amount=15, inputs=[ext_utxo], add_inputs=True, psbt=True, include_watching=True, expect_error=(-4, "Insufficient funds")) # But funding should work when the solving data is provided res = self.test_send( from_wallet=ext_wallet, to_wallet=self.nodes[0], amount=15, inputs=[ext_utxo], add_inputs=True, psbt=True, include_watching=True, solving_data={ "pubkeys": [addr_info['pubkey']], "scripts": [ addr_info["embedded"]["scriptPubKey"], addr_info["embedded"]["embedded"]["scriptPubKey"] ] }) signed = ext_wallet.walletprocesspsbt(res["psbt"]) signed = ext_fund.walletprocesspsbt(res["psbt"]) assert signed["complete"] self.nodes[0].finalizepsbt(signed["psbt"]) res = self.test_send(from_wallet=ext_wallet, to_wallet=self.nodes[0], amount=15, inputs=[ext_utxo], add_inputs=True, psbt=True, include_watching=True, solving_data={"descriptors": [desc]}) signed = ext_wallet.walletprocesspsbt(res["psbt"]) signed = ext_fund.walletprocesspsbt(res["psbt"]) assert signed["complete"] self.nodes[0].finalizepsbt(signed["psbt"]) dec = self.nodes[0].decodepsbt(signed["psbt"]) for i, txin in enumerate(dec["tx"]["vin"]): if txin["txid"] == ext_utxo["txid"] and txin["vout"] == ext_utxo[ "vout"]: input_idx = i break psbt_in = dec["inputs"][input_idx] # Calculate the input weight # (prevout + sequence + length of scriptSig + scriptsig + 1 byte buffer) * WITNESS_SCALE_FACTOR + num scriptWitness stack items + (length of stack item + stack item) * N stack items + 1 byte buffer len_scriptsig = len(psbt_in["final_scriptSig"]["hex"] ) // 2 if "final_scriptSig" in psbt_in else 0 len_scriptsig += len(ser_compact_size(len_scriptsig)) + 1 len_scriptwitness = ( sum([(len(x) // 2) + len(ser_compact_size(len(x) // 2)) for x in psbt_in["final_scriptwitness"]]) + len(psbt_in["final_scriptwitness"]) + 1) if "final_scriptwitness" in psbt_in else 0 input_weight = ( (40 + len_scriptsig) * WITNESS_SCALE_FACTOR) + len_scriptwitness # Input weight error conditions assert_raises_rpc_error( -8, "Input weights should be specified in inputs rather than in options.", ext_wallet.send, outputs={self.nodes[0].getnewaddress(): 15}, options={ "inputs": [ext_utxo], "input_weights": [{ "txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": 1000 }] }) # Funding should also work when input weights are provided res = self.test_send(from_wallet=ext_wallet, to_wallet=self.nodes[0], amount=15, inputs=[{ "txid": ext_utxo["txid"], "vout": ext_utxo["vout"], "weight": input_weight }], add_inputs=True, psbt=True, include_watching=True, fee_rate=10) signed = ext_wallet.walletprocesspsbt(res["psbt"]) signed = ext_fund.walletprocesspsbt(res["psbt"]) assert signed["complete"] tx = self.nodes[0].finalizepsbt(signed["psbt"]) testres = self.nodes[0].testmempoolaccept([tx["hex"]])[0] assert_equal(testres["allowed"], True) assert_fee_amount(testres["fees"]["base"], testres["vsize"], Decimal(0.0001))