git / moonbite-core / test/functional/rpc_fundrawtransaction.py · raw
#!/usr/bin/env python3# Copyright (c) 2014-2020 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 fundrawtransaction RPC."""from decimal import Decimalfrom test_framework.descriptors import descsum_createfrom test_framework.test_framework import BitcoinTestFrameworkfrom test_framework.util import ( assert_approx, assert_equal, assert_fee_amount, assert_greater_than, assert_greater_than_or_equal, assert_raises_rpc_error, count_bytes, find_vout_for_address,)def get_unspent(listunspent, amount): for utx in listunspent: if utx['amount'] == amount: return utx raise AssertionError('Could not find unspent with amount={}'.format(amount))class RawTransactionsTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 4 self.setup_clean_chain = True # This test isn't testing tx relay. Set whitelist on the peers for # instant tx relay. self.extra_args = [['-whitelist=noban@127.0.0.1', "-mintxfee=0.00001", '-vbparams=mweb:-2:0']] * self.num_nodes def skip_test_if_missing_module(self): self.skip_if_no_wallet() def setup_network(self): self.setup_nodes() self.connect_nodes(0, 1) self.connect_nodes(1, 2) self.connect_nodes(0, 2) self.connect_nodes(0, 3) def run_test(self): self.log.info("Connect nodes, set fees, generate blocks, and sync") self.min_relay_tx_fee = self.nodes[0].getnetworkinfo()['relayfee'] # This test is not meant to test fee estimation and we'd like # to be sure all txs are sent at a consistent desired feerate for node in self.nodes: node.settxfee(self.min_relay_tx_fee) # if the fee's positive delta is higher than this value tests will fail, # neg. delta always fail the tests. # The size of the signature of every input may be at most 2 bytes larger # than a minimum sized signature. # = 2 bytes * minRelayTxFeePerByte self.fee_tolerance = 2 * self.min_relay_tx_fee / 1000 self.nodes[2].generate(1) self.sync_all() self.nodes[0].generate(121) self.sync_all() self.test_change_position() self.test_simple() self.test_simple_two_coins() self.test_simple_two_outputs() self.test_change() self.test_no_change() self.test_invalid_option() self.test_invalid_change_address() self.test_valid_change_address() self.test_change_type() self.test_coin_selection() self.test_two_vin() self.test_two_vin_two_vout() self.test_invalid_input() self.test_fee_p2pkh() self.test_fee_p2pkh_multi_out() self.test_fee_p2sh() self.test_fee_4of5() self.test_spend_2of2() self.test_locked_wallet() self.test_many_inputs_fee() self.test_many_inputs_send() self.test_op_return() self.test_watchonly() self.test_all_watched_funds() self.test_option_feerate() self.test_address_reuse() self.test_option_subtract_fee_from_outputs() self.test_subtract_fee_with_presets() def test_change_position(self): """Ensure setting changePosition in fundraw with an exact match is handled properly.""" self.log.info("Test fundrawtxn changePosition option") rawmatch = self.nodes[2].createrawtransaction([], {self.nodes[2].getnewaddress():50}) rawmatch = self.nodes[2].fundrawtransaction(rawmatch, {"changePosition":1, "subtractFeeFromOutputs":[0]}) assert_equal(rawmatch["changepos"], -1) self.nodes[3].createwallet(wallet_name="wwatch", disable_private_keys=True) wwatch = self.nodes[3].get_wallet_rpc('wwatch') watchonly_address = self.nodes[0].getnewaddress() watchonly_pubkey = self.nodes[0].getaddressinfo(watchonly_address)["pubkey"] self.watchonly_amount = Decimal(200) wwatch.importpubkey(watchonly_pubkey, "", True) self.watchonly_txid = self.nodes[0].sendtoaddress(watchonly_address, self.watchonly_amount) # Lock UTXO so nodes[0] doesn't accidentally spend it self.watchonly_vout = find_vout_for_address(self.nodes[0], self.watchonly_txid, watchonly_address) self.nodes[0].lockunspent(False, [{"txid": self.watchonly_txid, "vout": self.watchonly_vout}]) self.nodes[0].sendtoaddress(self.nodes[3].get_wallet_rpc(self.default_wallet_name).getnewaddress(), self.watchonly_amount / 10) self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.5) self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.0) self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 5.0) self.nodes[0].generate(1) self.sync_all() wwatch.unloadwallet() def test_simple(self): self.log.info("Test fundrawtxn") inputs = [ ] outputs = { self.nodes[0].getnewaddress() : 1.0 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) assert len(dec_tx['vin']) > 0 #test that we have enough inputs def test_simple_two_coins(self): self.log.info("Test fundrawtxn with 2 coins") inputs = [ ] outputs = { self.nodes[0].getnewaddress() : 2.2 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) assert len(dec_tx['vin']) > 0 #test if we have enough inputs assert_equal(dec_tx['vin'][0]['scriptSig']['hex'], '') def test_simple_two_outputs(self): self.log.info("Test fundrawtxn with 2 outputs") inputs = [ ] outputs = { self.nodes[0].getnewaddress() : 2.6, self.nodes[1].getnewaddress() : 2.5 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 for out in dec_tx['vout']: totalOut += out['value'] assert len(dec_tx['vin']) > 0 assert_equal(dec_tx['vin'][0]['scriptSig']['hex'], '') def test_change(self): self.log.info("Test fundrawtxn with a vin > required amount") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}] outputs = { self.nodes[0].getnewaddress() : 1.0 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) fee = rawtxfund['fee'] self.test_no_change_fee = fee # Use the same fee for the next tx dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 for out in dec_tx['vout']: totalOut += out['value'] assert_equal(fee + totalOut, utx['amount']) #compare vin total and totalout+fee def test_no_change(self): self.log.info("Test fundrawtxn not having a change output") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}] outputs = {self.nodes[0].getnewaddress(): Decimal(5.0) - self.test_no_change_fee - self.fee_tolerance} rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) fee = rawtxfund['fee'] dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 for out in dec_tx['vout']: totalOut += out['value'] assert_equal(rawtxfund['changepos'], -1) assert_equal(fee + totalOut, utx['amount']) #compare vin total and totalout+fee def test_invalid_option(self): self.log.info("Test fundrawtxn with an invalid option") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ] outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) assert_raises_rpc_error(-3, "Unexpected key foo", self.nodes[2].fundrawtransaction, rawtx, {'foo':'bar'}) # reserveChangeKey was deprecated and is now removed assert_raises_rpc_error(-3, "Unexpected key reserveChangeKey", lambda: self.nodes[2].fundrawtransaction(hexstring=rawtx, options={'reserveChangeKey': True})) def test_invalid_change_address(self): self.log.info("Test fundrawtxn with an invalid change address") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ] outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) assert_raises_rpc_error(-5, "Change address must be a valid litecoin address", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':'foobar'}) def test_valid_change_address(self): self.log.info("Test fundrawtxn with a provided change address") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ] outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) change = self.nodes[2].getnewaddress() assert_raises_rpc_error(-8, "changePosition out of bounds", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':change, 'changePosition':2}) rawtxfund = self.nodes[2].fundrawtransaction(rawtx, {'changeAddress': change, 'changePosition': 0}) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) out = dec_tx['vout'][0] assert_equal(change, out['scriptPubKey']['addresses'][0]) def test_change_type(self): self.log.info("Test fundrawtxn with a provided change type") utx = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ] outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[2].fundrawtransaction, rawtx, {'change_type': None}) assert_raises_rpc_error(-5, "Unknown change type ''", self.nodes[2].fundrawtransaction, rawtx, {'change_type': ''}) rawtx = self.nodes[2].fundrawtransaction(rawtx, {'change_type': 'bech32'}) dec_tx = self.nodes[2].decoderawtransaction(rawtx['hex']) assert_equal('witness_v0_keyhash', dec_tx['vout'][rawtx['changepos']]['scriptPubKey']['type']) def test_coin_selection(self): self.log.info("Test fundrawtxn with a vin < required amount") utx = get_unspent(self.nodes[2].listunspent(), 1) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}] outputs = { self.nodes[0].getnewaddress() : 1.0 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) # 4-byte version + 1-byte vin count + 36-byte prevout then script_len rawtx = rawtx[:82] + "0100" + rawtx[84:] dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) assert_equal("00", dec_tx['vin'][0]['scriptSig']['hex']) # Should fail without add_inputs: assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx, {"add_inputs": False}) # add_inputs is enabled by default rawtxfund = self.nodes[2].fundrawtransaction(rawtx) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 matchingOuts = 0 for i, out in enumerate(dec_tx['vout']): totalOut += out['value'] if out['scriptPubKey']['addresses'][0] in outputs: matchingOuts+=1 else: assert_equal(i, rawtxfund['changepos']) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) assert_equal("00", dec_tx['vin'][0]['scriptSig']['hex']) assert_equal(matchingOuts, 1) assert_equal(len(dec_tx['vout']), 2) def test_two_vin(self): self.log.info("Test fundrawtxn with 2 vins") utx = get_unspent(self.nodes[2].listunspent(), 1) utx2 = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']},{'txid' : utx2['txid'], 'vout' : utx2['vout']} ] outputs = { self.nodes[0].getnewaddress() : 6.0 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) # Should fail without add_inputs: assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx, {"add_inputs": False}) rawtxfund = self.nodes[2].fundrawtransaction(rawtx, {"add_inputs": True}) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 matchingOuts = 0 for out in dec_tx['vout']: totalOut += out['value'] if out['scriptPubKey']['addresses'][0] in outputs: matchingOuts+=1 assert_equal(matchingOuts, 1) assert_equal(len(dec_tx['vout']), 2) matchingIns = 0 for vinOut in dec_tx['vin']: for vinIn in inputs: if vinIn['txid'] == vinOut['txid']: matchingIns+=1 assert_equal(matchingIns, 2) #we now must see two vins identical to vins given as params def test_two_vin_two_vout(self): self.log.info("Test fundrawtxn with 2 vins and 2 vouts") utx = get_unspent(self.nodes[2].listunspent(), 1) utx2 = get_unspent(self.nodes[2].listunspent(), 5) inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']},{'txid' : utx2['txid'], 'vout' : utx2['vout']} ] outputs = { self.nodes[0].getnewaddress() : 6.0, self.nodes[0].getnewaddress() : 1.0 } rawtx = self.nodes[2].createrawtransaction(inputs, outputs) dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(utx['txid'], dec_tx['vin'][0]['txid']) # Should fail without add_inputs: assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx, {"add_inputs": False}) rawtxfund = self.nodes[2].fundrawtransaction(rawtx, {"add_inputs": True}) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) totalOut = 0 matchingOuts = 0 for out in dec_tx['vout']: totalOut += out['value'] if out['scriptPubKey']['addresses'][0] in outputs: matchingOuts+=1 assert_equal(matchingOuts, 2) assert_equal(len(dec_tx['vout']), 3) def test_invalid_input(self): self.log.info("Test fundrawtxn with an invalid vin") inputs = [ {'txid' : "1c7f966dab21119bac53213a2bc7532bff1fa844c124fd750a7d0b1332440bd1", 'vout' : 0} ] #invalid vin! outputs = { self.nodes[0].getnewaddress() : 1.0} rawtx = self.nodes[2].createrawtransaction(inputs, outputs) assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx) def test_fee_p2pkh(self): """Compare fee of a standard pubkeyhash transaction.""" self.log.info("Test fundrawtxn p2pkh fee") inputs = [] outputs = {self.nodes[1].getnewaddress():1.1} rawtx = self.nodes[0].createrawtransaction(inputs, outputs) fundedTx = self.nodes[0].fundrawtransaction(rawtx) # Create same transaction over sendtoaddress. txId = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1.1) signedFee = self.nodes[0].getrawmempool(True)[txId]['fee'] # Compare fee. feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee) assert feeDelta >= 0 and feeDelta <= self.fee_tolerance def test_fee_p2pkh_multi_out(self): """Compare fee of a standard pubkeyhash transaction with multiple outputs.""" self.log.info("Test fundrawtxn p2pkh fee with multiple outputs") inputs = [] outputs = { self.nodes[1].getnewaddress():1.1, self.nodes[1].getnewaddress():1.2, self.nodes[1].getnewaddress():0.1, self.nodes[1].getnewaddress():1.3, self.nodes[1].getnewaddress():0.2, self.nodes[1].getnewaddress():0.3, } rawtx = self.nodes[0].createrawtransaction(inputs, outputs) fundedTx = self.nodes[0].fundrawtransaction(rawtx) # Create same transaction over sendtoaddress. txId = self.nodes[0].sendmany("", outputs) signedFee = self.nodes[0].getrawmempool(True)[txId]['fee'] # Compare fee. feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee) assert feeDelta >= 0 and feeDelta <= self.fee_tolerance def test_fee_p2sh(self): """Compare fee of a 2-of-2 multisig p2sh transaction.""" # Create 2-of-2 addr. addr1 = self.nodes[1].getnewaddress() addr2 = self.nodes[1].getnewaddress() addr1Obj = self.nodes[1].getaddressinfo(addr1) addr2Obj = self.nodes[1].getaddressinfo(addr2) mSigObj = self.nodes[3].createmultisig(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address'] inputs = [] outputs = {mSigObj:1.1} rawtx = self.nodes[0].createrawtransaction(inputs, outputs) fundedTx = self.nodes[0].fundrawtransaction(rawtx) # Create same transaction over sendtoaddress. txId = self.nodes[0].sendtoaddress(mSigObj, 1.1) signedFee = self.nodes[0].getrawmempool(True)[txId]['fee'] # Compare fee. feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee) assert feeDelta >= 0 and feeDelta <= self.fee_tolerance def test_fee_4of5(self): """Compare fee of a standard pubkeyhash transaction.""" self.log.info("Test fundrawtxn fee with 4-of-5 addresses") # Create 4-of-5 addr. addr1 = self.nodes[1].getnewaddress() addr2 = self.nodes[1].getnewaddress() addr3 = self.nodes[1].getnewaddress() addr4 = self.nodes[1].getnewaddress() addr5 = self.nodes[1].getnewaddress() addr1Obj = self.nodes[1].getaddressinfo(addr1) addr2Obj = self.nodes[1].getaddressinfo(addr2) addr3Obj = self.nodes[1].getaddressinfo(addr3) addr4Obj = self.nodes[1].getaddressinfo(addr4) addr5Obj = self.nodes[1].getaddressinfo(addr5) mSigObj = self.nodes[1].createmultisig( 4, [ addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey'], addr4Obj['pubkey'], addr5Obj['pubkey'], ] )['address'] inputs = [] outputs = {mSigObj:1.1} rawtx = self.nodes[0].createrawtransaction(inputs, outputs) fundedTx = self.nodes[0].fundrawtransaction(rawtx) # Create same transaction over sendtoaddress. txId = self.nodes[0].sendtoaddress(mSigObj, 1.1) signedFee = self.nodes[0].getrawmempool(True)[txId]['fee'] # Compare fee. feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee) assert feeDelta >= 0 and feeDelta <= self.fee_tolerance def test_spend_2of2(self): """Spend a 2-of-2 multisig transaction over fundraw.""" self.log.info("Test fundpsbt spending 2-of-2 multisig") # Create 2-of-2 addr. addr1 = self.nodes[2].getnewaddress() addr2 = self.nodes[2].getnewaddress() addr1Obj = self.nodes[2].getaddressinfo(addr1) addr2Obj = self.nodes[2].getaddressinfo(addr2) self.nodes[2].createwallet(wallet_name='wmulti', disable_private_keys=True) wmulti = self.nodes[2].get_wallet_rpc('wmulti') w2 = self.nodes[2].get_wallet_rpc(self.default_wallet_name) mSigObj = wmulti.addmultisigaddress( 2, [ addr1Obj['pubkey'], addr2Obj['pubkey'], ] )['address'] if not self.options.descriptors: wmulti.importaddress(mSigObj) # Send 1.2 BTC to msig addr. self.nodes[0].sendtoaddress(mSigObj, 1.2) self.nodes[0].generate(1) self.sync_all() oldBalance = self.nodes[1].getbalance() inputs = [] outputs = {self.nodes[1].getnewaddress():1.1} funded_psbt = wmulti.walletcreatefundedpsbt(inputs=inputs, outputs=outputs, options={'changeAddress': w2.getrawchangeaddress()})['psbt'] signed_psbt = w2.walletprocesspsbt(funded_psbt) final_psbt = w2.finalizepsbt(signed_psbt['psbt']) self.nodes[2].sendrawtransaction(final_psbt['hex']) self.nodes[2].generate(1) self.sync_all() # Make sure funds are received at node1. assert_equal(oldBalance+Decimal('1.10000000'), self.nodes[1].getbalance()) wmulti.unloadwallet() def test_locked_wallet(self): self.log.info("Test fundrawtxn with locked wallet and hardened derivation") self.nodes[1].encryptwallet("test") if self.options.descriptors: self.nodes[1].walletpassphrase('test', 10) self.nodes[1].importdescriptors([{ 'desc': descsum_create('wpkh(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/0h/*h)'), 'timestamp': 'now', 'active': True }, { 'desc': descsum_create('wpkh(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/1h/*h)'), 'timestamp': 'now', 'active': True, 'internal': True }]) self.nodes[1].walletlock() # MWEB: We don't update hd seed when encrypting wallet, so new keypool was not generated. # We need to refill keypool manually. self.nodes[1].walletpassphrase('test', 10) self.nodes[1].keypoolrefill(1) self.nodes[1].walletlock() # Drain the keypool. self.nodes[1].getnewaddress() self.nodes[1].getrawchangeaddress() inputs = [] outputs = {self.nodes[0].getnewaddress():1.09999500} rawtx = self.nodes[1].createrawtransaction(inputs, outputs) # fund a transaction that does not require a new key for the change output self.nodes[1].fundrawtransaction(rawtx) # fund a transaction that requires a new key for the change output # creating the key must be impossible because the wallet is locked outputs = {self.nodes[0].getnewaddress():1.1} rawtx = self.nodes[1].createrawtransaction(inputs, outputs) assert_raises_rpc_error(-4, "Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.", self.nodes[1].fundrawtransaction, rawtx) # Refill the keypool. self.nodes[1].walletpassphrase("test", 100) self.nodes[1].keypoolrefill(8) #need to refill the keypool to get an internal change address self.nodes[1].walletlock() assert_raises_rpc_error(-13, "walletpassphrase", self.nodes[1].sendtoaddress, self.nodes[0].getnewaddress(), 1.2) oldBalance = self.nodes[0].getbalance() inputs = [] outputs = {self.nodes[0].getnewaddress():1.1} rawtx = self.nodes[1].createrawtransaction(inputs, outputs) fundedTx = self.nodes[1].fundrawtransaction(rawtx) # Now we need to unlock. self.nodes[1].walletpassphrase("test", 600) signedTx = self.nodes[1].signrawtransactionwithwallet(fundedTx['hex']) self.nodes[1].sendrawtransaction(signedTx['hex']) self.nodes[1].generate(1) self.sync_all() # Make sure funds are received at node1. assert_equal(oldBalance+Decimal('51.10000000'), self.nodes[0].getbalance()) def test_many_inputs_fee(self): """Multiple (~19) inputs tx test | Compare fee.""" self.log.info("Test fundrawtxn fee with many inputs") # Empty node1, send some small coins from node0 to node1. self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), self.nodes[1].getbalance(), "", "", True) self.nodes[1].generate(1) self.sync_all() for _ in range(20): self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.01) self.nodes[0].generate(1) self.sync_all() # Fund a tx with ~20 small inputs. inputs = [] outputs = {self.nodes[0].getnewaddress():0.15,self.nodes[0].getnewaddress():0.04} rawtx = self.nodes[1].createrawtransaction(inputs, outputs) fundedTx = self.nodes[1].fundrawtransaction(rawtx) # Create same transaction over sendtoaddress. txId = self.nodes[1].sendmany("", outputs) signedFee = self.nodes[1].getrawmempool(True)[txId]['fee'] # Compare fee. feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee) assert feeDelta >= 0 and feeDelta <= self.fee_tolerance * 19 #~19 inputs def test_many_inputs_send(self): """Multiple (~19) inputs tx test | sign/send.""" self.log.info("Test fundrawtxn sign+send with many inputs") # Again, empty node1, send some small coins from node0 to node1. self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), self.nodes[1].getbalance(), "", "", True) self.nodes[1].generate(1) self.sync_all() for _ in range(20): self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.01) self.nodes[0].generate(1) self.sync_all() # Fund a tx with ~20 small inputs. oldBalance = self.nodes[0].getbalance() inputs = [] outputs = {self.nodes[0].getnewaddress():0.15,self.nodes[0].getnewaddress():0.04} rawtx = self.nodes[1].createrawtransaction(inputs, outputs) fundedTx = self.nodes[1].fundrawtransaction(rawtx) fundedAndSignedTx = self.nodes[1].signrawtransactionwithwallet(fundedTx['hex']) self.nodes[1].sendrawtransaction(fundedAndSignedTx['hex']) self.nodes[1].generate(1) self.sync_all() assert_equal(oldBalance+Decimal('50.19000000'), self.nodes[0].getbalance()) #0.19+block reward def test_op_return(self): self.log.info("Test fundrawtxn with OP_RETURN and no vin") rawtx = "0100000000010000000000000000066a047465737400000000" dec_tx = self.nodes[2].decoderawtransaction(rawtx) assert_equal(len(dec_tx['vin']), 0) assert_equal(len(dec_tx['vout']), 1) rawtxfund = self.nodes[2].fundrawtransaction(rawtx) dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex']) assert_greater_than(len(dec_tx['vin']), 0) # at least one vin assert_equal(len(dec_tx['vout']), 2) # one change output added def test_watchonly(self): self.log.info("Test fundrawtxn using only watchonly") inputs = [] outputs = {self.nodes[2].getnewaddress(): self.watchonly_amount / 2} rawtx = self.nodes[3].createrawtransaction(inputs, outputs) self.nodes[3].loadwallet('wwatch') wwatch = self.nodes[3].get_wallet_rpc('wwatch') # Setup change addresses for the watchonly wallet desc_import = [{ "desc": descsum_create("wpkh(tpubD6NzVbkrYhZ4YNXVQbNhMK1WqguFsUXceaVJKbmno2aZ3B6QfbMeraaYvnBSGpV3vxLyTTK9DYT1yoEck4XUScMzXoQ2U2oSmE2JyMedq3H/1/*)"), "timestamp": "now", "internal": True, "active": True, "keypool": True, "range": [0, 100], "watchonly": True, }] if self.options.descriptors: wwatch.importdescriptors(desc_import) else: wwatch.importmulti(desc_import) # Backward compatibility test (2nd params is includeWatching) result = wwatch.fundrawtransaction(rawtx, True) res_dec = self.nodes[0].decoderawtransaction(result["hex"]) assert_equal(len(res_dec["vin"]), 1) assert_equal(res_dec["vin"][0]["txid"], self.watchonly_txid) assert "fee" in result.keys() assert_greater_than(result["changepos"], -1) wwatch.unloadwallet() def test_all_watched_funds(self): self.log.info("Test fundrawtxn using entirety of watched funds") inputs = [] outputs = {self.nodes[2].getnewaddress(): self.watchonly_amount} rawtx = self.nodes[3].createrawtransaction(inputs, outputs) self.nodes[3].loadwallet('wwatch') wwatch = self.nodes[3].get_wallet_rpc('wwatch') w3 = self.nodes[3].get_wallet_rpc(self.default_wallet_name) result = wwatch.fundrawtransaction(rawtx, {'includeWatching': True, 'changeAddress': w3.getrawchangeaddress(), 'subtractFeeFromOutputs': [0]}) res_dec = self.nodes[0].decoderawtransaction(result["hex"]) assert_equal(len(res_dec["vin"]), 1) assert res_dec["vin"][0]["txid"] == self.watchonly_txid assert_greater_than(result["fee"], 0) assert_equal(result["changepos"], -1) assert_equal(result["fee"] + res_dec["vout"][0]["value"], self.watchonly_amount) signedtx = wwatch.signrawtransactionwithwallet(result["hex"]) assert not signedtx["complete"] signedtx = self.nodes[0].signrawtransactionwithwallet(signedtx["hex"]) assert signedtx["complete"] self.nodes[0].sendrawtransaction(signedtx["hex"]) self.nodes[0].generate(1) self.sync_all() wwatch.unloadwallet() def test_option_feerate(self): self.log.info("Test fundrawtxn with explicit fee rates (fee_rate sat/vB and feeRate LTC/kvB)") node = self.nodes[3] # Make sure there is exactly one input so coin selection can't skew the result. assert_equal(len(self.nodes[3].listunspent(1)), 1) inputs = [] outputs = {node.getnewaddress() : 1} rawtx = node.createrawtransaction(inputs, outputs) result = node.fundrawtransaction(rawtx) # uses self.min_relay_tx_fee (set by settxfee) btc_kvb_to_sat_vb = 100000 # (1e5) result1 = node.fundrawtransaction(rawtx, {"fee_rate": str(2 * btc_kvb_to_sat_vb * self.min_relay_tx_fee)}) result2 = node.fundrawtransaction(rawtx, {"feeRate": 2 * self.min_relay_tx_fee}) result3 = node.fundrawtransaction(rawtx, {"fee_rate": 10 * btc_kvb_to_sat_vb * self.min_relay_tx_fee}) result4 = node.fundrawtransaction(rawtx, {"feeRate": str(10 * self.min_relay_tx_fee)}) # Test that funding non-standard "zero-fee" transactions is valid. result5 = self.nodes[3].fundrawtransaction(rawtx, {"fee_rate": 0}) result6 = self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 0}) result_fee_rate = result['fee'] * 1000 / count_bytes(result['hex']) assert_fee_amount(result1['fee'], count_bytes(result2['hex']), 2 * result_fee_rate) assert_fee_amount(result2['fee'], count_bytes(result2['hex']), 2 * result_fee_rate) assert_fee_amount(result3['fee'], count_bytes(result3['hex']), 10 * result_fee_rate) assert_fee_amount(result4['fee'], count_bytes(result3['hex']), 10 * result_fee_rate) assert_fee_amount(result5['fee'], count_bytes(result5['hex']), 0) assert_fee_amount(result6['fee'], count_bytes(result6['hex']), 0) # With no arguments passed, expect fee of 141 satoshis. assert_approx(node.fundrawtransaction(rawtx)["fee"], vexp=0.00000141, vspan=0.00000001) # Expect fee to be 10,000x higher when an explicit fee rate 10,000x greater is specified. result = node.fundrawtransaction(rawtx, {"fee_rate": 10000}) assert_approx(result["fee"], vexp=0.0141, vspan=0.0001) self.log.info("Test fundrawtxn 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), node.fundrawtransaction, rawtx, {"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"', node.fundrawtransaction, rawtx, {"estimate_mode": mode, "conf_target": 0.1, "add_inputs": True}) self.log.info("Test fundrawtxn 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), node.fundrawtransaction, rawtx, {"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 node.fundrawtransaction, rawtx, {"estimate_mode": mode, "conf_target": n, "add_inputs": True}) self.log.info("Test invalid fee rate settings") for param, value in {("fee_rate", 100000), ("feeRate", 1.000)}: assert_raises_rpc_error(-4, "Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)", node.fundrawtransaction, rawtx, {param: value, "add_inputs": True}) assert_raises_rpc_error(-3, "Amount out of range", node.fundrawtransaction, rawtx, {param: -1, "add_inputs": True}) assert_raises_rpc_error(-3, "Amount is not a number or string", node.fundrawtransaction, rawtx, {param: {"foo": "bar"}, "add_inputs": True}) assert_raises_rpc_error(-3, "Invalid amount", node.fundrawtransaction, rawtx, {param: "", "add_inputs": True}) self.log.info("Test min fee rate checks are bypassed with fundrawtxn, e.g. a fee_rate under 1 sat/vB is allowed") node.fundrawtransaction(rawtx, {"fee_rate": 0.99999999, "add_inputs": True}) node.fundrawtransaction(rawtx, {"feeRate": 0.00000999, "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 (LTC/kvB)", node.fundrawtransaction, rawtx, {"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", node.fundrawtransaction, rawtx, {"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), node.fundrawtransaction, rawtx, {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", node.fundrawtransaction, rawtx, {"fee_rate": 1, "estimate_mode": "economical", "add_inputs": True}) def test_address_reuse(self): """Test no address reuse occurs.""" self.log.info("Test fundrawtxn does not reuse addresses") rawtx = self.nodes[3].createrawtransaction(inputs=[], outputs={self.nodes[3].getnewaddress(): 1}) result3 = self.nodes[3].fundrawtransaction(rawtx) res_dec = self.nodes[0].decoderawtransaction(result3["hex"]) changeaddress = "" for out in res_dec['vout']: if out['value'] > 1.0: changeaddress += out['scriptPubKey']['addresses'][0] assert changeaddress != "" nextaddr = self.nodes[3].getnewaddress() # Now the change address key should be removed from the keypool. assert changeaddress != nextaddr def test_option_subtract_fee_from_outputs(self): self.log.info("Test fundrawtxn subtractFeeFromOutputs option") # Make sure there is exactly one input so coin selection can't skew the result. assert_equal(len(self.nodes[3].listunspent(1)), 1) inputs = [] outputs = {self.nodes[2].getnewaddress(): 1} rawtx = self.nodes[3].createrawtransaction(inputs, outputs) # Test subtract fee from outputs with feeRate (BTC/kvB) result = [self.nodes[3].fundrawtransaction(rawtx), # uses self.min_relay_tx_fee (set by settxfee) self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": []}), # empty subtraction list self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": [0]}), # uses self.min_relay_tx_fee (set by settxfee) self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 2 * self.min_relay_tx_fee}), self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 2 * self.min_relay_tx_fee, "subtractFeeFromOutputs": [0]}),] dec_tx = [self.nodes[3].decoderawtransaction(tx_['hex']) for tx_ in result] output = [d['vout'][1 - r['changepos']]['value'] for d, r in zip(dec_tx, result)] change = [d['vout'][r['changepos']]['value'] for d, r in zip(dec_tx, result)] assert_equal(result[0]['fee'], result[1]['fee'], result[2]['fee']) assert_equal(result[3]['fee'], result[4]['fee']) assert_equal(change[0], change[1]) assert_equal(output[0], output[1]) assert_equal(output[0], output[2] + result[2]['fee']) assert_equal(change[0] + result[0]['fee'], change[2]) assert_equal(output[3], output[4] + result[4]['fee']) assert_equal(change[3] + result[3]['fee'], change[4]) # Test subtract fee from outputs with fee_rate (sat/vB) btc_kvb_to_sat_vb = 100000 # (1e5) result = [self.nodes[3].fundrawtransaction(rawtx), # uses self.min_relay_tx_fee (set by settxfee) self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": []}), # empty subtraction list self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": [0]}), # uses self.min_relay_tx_fee (set by settxfee) self.nodes[3].fundrawtransaction(rawtx, {"fee_rate": 2 * btc_kvb_to_sat_vb * self.min_relay_tx_fee}), self.nodes[3].fundrawtransaction(rawtx, {"fee_rate": 2 * btc_kvb_to_sat_vb * self.min_relay_tx_fee, "subtractFeeFromOutputs": [0]}),] dec_tx = [self.nodes[3].decoderawtransaction(tx_['hex']) for tx_ in result] output = [d['vout'][1 - r['changepos']]['value'] for d, r in zip(dec_tx, result)] change = [d['vout'][r['changepos']]['value'] for d, r in zip(dec_tx, result)] assert_equal(result[0]['fee'], result[1]['fee'], result[2]['fee']) assert_equal(result[3]['fee'], result[4]['fee']) assert_equal(change[0], change[1]) assert_equal(output[0], output[1]) assert_equal(output[0], output[2] + result[2]['fee']) assert_equal(change[0] + result[0]['fee'], change[2]) assert_equal(output[3], output[4] + result[4]['fee']) assert_equal(change[3] + result[3]['fee'], change[4]) inputs = [] outputs = {self.nodes[2].getnewaddress(): value for value in (1.0, 1.1, 1.2, 1.3)} rawtx = self.nodes[3].createrawtransaction(inputs, outputs) result = [self.nodes[3].fundrawtransaction(rawtx), # Split the fee between outputs 0, 2, and 3, but not output 1. self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": [0, 2, 3]})] dec_tx = [self.nodes[3].decoderawtransaction(result[0]['hex']), self.nodes[3].decoderawtransaction(result[1]['hex'])] # Nested list of non-change output amounts for each transaction. output = [[out['value'] for i, out in enumerate(d['vout']) if i != r['changepos']] for d, r in zip(dec_tx, result)] # List of differences in output amounts between normal and subtractFee transactions. share = [o0 - o1 for o0, o1 in zip(output[0], output[1])] # Output 1 is the same in both transactions. assert_equal(share[1], 0) # The other 3 outputs are smaller as a result of subtractFeeFromOutputs. assert_greater_than(share[0], 0) assert_greater_than(share[2], 0) assert_greater_than(share[3], 0) # Outputs 2 and 3 take the same share of the fee. assert_equal(share[2], share[3]) # Output 0 takes at least as much share of the fee, and no more than 2 # satoshis more, than outputs 2 and 3. assert_greater_than_or_equal(share[0], share[2]) assert_greater_than_or_equal(share[2] + Decimal(2e-8), share[0]) # The fee is the same in both transactions. assert_equal(result[0]['fee'], result[1]['fee']) # The total subtracted from the outputs is equal to the fee. assert_equal(share[0] + share[2] + share[3], result[0]['fee']) def test_subtract_fee_with_presets(self): self.log.info("Test fundrawtxn subtract fee from outputs with preset inputs that are sufficient") addr = self.nodes[0].getnewaddress() txid = self.nodes[0].sendtoaddress(addr, 10) vout = find_vout_for_address(self.nodes[0], txid, addr) rawtx = self.nodes[0].createrawtransaction([{'txid': txid, 'vout': vout}], [{self.nodes[0].getnewaddress(): 5}]) fundedtx = self.nodes[0].fundrawtransaction(rawtx, {'subtractFeeFromOutputs': [0]}) signedtx = self.nodes[0].signrawtransactionwithwallet(fundedtx['hex']) self.nodes[0].sendrawtransaction(signedtx['hex'])if __name__ == '__main__': RawTransactionsTest().main()