#! /usr/bin/env python '''Test of unusual transaction types creation and push to network to check validity. Note as of Feb 2020: earlier versions included multisig p2(w)sh tests, these have been removed since Joinmarket does not use this feature.''' import struct from binascii import unhexlify from commontest import make_wallets, make_sign_and_push, ensure_bip65_activated import jmbitcoin as bitcoin import pytest from jmbase import get_log from jmclient import load_test_config, jm_single log = get_log() #just a random selection of pubkeys for receiving multisigs; #if we ever need the privkeys, they are in a json file somewhere vpubs = ["03e9a06e539d6bf5cf1ca5c41b59121fa3df07a338322405a312c67b6349a707e9", "0280125e42c1984923106e281615dfada44d38c4125c005963b322427110d709d6", "02726fa5b19e9406aaa46ee22fd9e81a09dd5eb7c87505b93a11efcf4b945e778c", "03600a739be32a14938680b3b3d61b51f217a60df118160d0decab22c9e1329862", "028a2f126e3999ff66d01dcb101ab526d3aa1bf5cbdc4bde14950a4cead95f6fcb", "02bea84d70e74f7603746b62d79bf035e16d982b56e6a1ee07dfd3b9130e8a2ad9"] def test_all_same_priv(setup_tx_creation): #recipient priv = b"\xaa"*32 + b"\x01" pub = bitcoin.privkey_to_pubkey(priv) addr = str(bitcoin.CCoinAddress.from_scriptPubKey( bitcoin.CScript([bitcoin.OP_0, bitcoin.Hash160(pub)]))) wallet_service = make_wallets(1, [[1,0,0,0,0]], 1)[0]['wallet'] #make another utxo on the same address addrinwallet = wallet_service.get_addr(0,0,0) jm_single().bc_interface.grab_coins(addrinwallet, 1) wallet_service.sync_wallet(fast=True) insfull = wallet_service.select_utxos(0, 110000000) outs = [{"address": addr, "value": 1000000}] ins = list(insfull.keys()) tx = bitcoin.mktx(ins, outs) scripts = {} for i, j in enumerate(ins): scripts[i] = (insfull[j]["script"], insfull[j]["value"]) success, msg = wallet_service.sign_tx(tx, scripts) assert success, msg def test_verify_tx_input(setup_tx_creation): priv = b"\xaa"*32 + b"\x01" pub = bitcoin.privkey_to_pubkey(priv) script = bitcoin.pubkey_to_p2sh_p2wpkh_script(pub) addr = str(bitcoin.CCoinAddress.from_scriptPubKey(script)) wallet_service = make_wallets(1, [[2,0,0,0,0]], 1)[0]['wallet'] wallet_service.sync_wallet(fast=True) insfull = wallet_service.select_utxos(0, 110000000) outs = [{"address": addr, "value": 1000000}] ins = list(insfull.keys()) tx = bitcoin.mktx(ins, outs) scripts = {0: (insfull[ins[0]]["script"], bitcoin.coins_to_satoshi(1))} success, msg = wallet_service.sign_tx(tx, scripts) assert success, msg # testing Joinmarket's ability to verify transaction inputs # of others: pretend we don't have a wallet owning the transaction, # and instead verify an input using the (sig, pub, scriptCode) data # that is sent by counterparties: cScrWit = tx.wit.vtxinwit[0].scriptWitness sig = cScrWit.stack[0] pub = cScrWit.stack[1] scriptSig = tx.vin[0].scriptSig tx2 = bitcoin.mktx(ins, outs) res = bitcoin.verify_tx_input(tx2, 0, scriptSig, bitcoin.pubkey_to_p2sh_p2wpkh_script(pub), amount = bitcoin.coins_to_satoshi(1), witness = bitcoin.CScript([sig, pub])) assert res def test_absurd_fees(setup_tx_creation): """Test triggering of ValueError exception if the transaction fees calculated from the blockchain interface exceed the limit set in the config. """ jm_single().bc_interface.absurd_fees = True #pay into it wallet_service = make_wallets(1, [[2, 0, 0, 0, 1]], 3)[0]['wallet'] wallet_service.sync_wallet(fast=True) amount = 350000000 ins_full = wallet_service.select_utxos(0, amount) with pytest.raises(ValueError) as e_info: txid = make_sign_and_push(ins_full, wallet_service, amount, estimate_fee=True) def test_create_sighash_txs(setup_tx_creation): #non-standard hash codes: for sighash in [bitcoin.SIGHASH_ANYONECANPAY + bitcoin.SIGHASH_SINGLE, bitcoin.SIGHASH_NONE, bitcoin.SIGHASH_SINGLE]: wallet_service = make_wallets(1, [[2, 0, 0, 0, 1]], 3)[0]['wallet'] wallet_service.sync_wallet(fast=True) amount = 350000000 ins_full = wallet_service.select_utxos(0, amount) txid = make_sign_and_push(ins_full, wallet_service, amount, hashcode=sighash) assert txid #trigger insufficient funds with pytest.raises(Exception) as e_info: fake_utxos = wallet_service.select_utxos(4, 1000000000) def test_spend_p2wpkh(setup_tx_creation): #make 3 p2wpkh outputs from 3 privs privs = [struct.pack(b'B', x) * 32 + b'\x01' for x in range(1, 4)] pubs = [bitcoin.privkey_to_pubkey(priv) for priv in privs] scriptPubKeys = [bitcoin.pubkey_to_p2wpkh_script(pub) for pub in pubs] addresses = [str(bitcoin.CCoinAddress.from_scriptPubKey( spk)) for spk in scriptPubKeys] #pay into it wallet_service = make_wallets(1, [[3, 0, 0, 0, 0]], 3)[0]['wallet'] wallet_service.sync_wallet(fast=True) amount = 35000000 p2wpkh_ins = [] for i, addr in enumerate(addresses): ins_full = wallet_service.select_utxos(0, amount) txid = make_sign_and_push(ins_full, wallet_service, amount, output_addr=addr) assert txid p2wpkh_ins.append((txid, 0)) txhex = jm_single().bc_interface.get_transaction(txid) #wait for mining jm_single().bc_interface.tick_forward_chain(1) #random output address output_addr = wallet_service.get_internal_addr(1) amount2 = amount*3 - 50000 outs = [{'value': amount2, 'address': output_addr}] tx = bitcoin.mktx(p2wpkh_ins, outs) for i, priv in enumerate(privs): # sign each of 3 inputs; note that bitcoin.sign # automatically validates each signature it creates. sig, msg = bitcoin.sign(tx, i, priv, amount=amount, native=True) if not sig: assert False, msg txid = jm_single().bc_interface.pushtx(tx.serialize()) assert txid def test_spend_freeze_script(setup_tx_creation): ensure_bip65_activated() wallet_service = make_wallets(1, [[3, 0, 0, 0, 0]], 3)[0]['wallet'] wallet_service.sync_wallet(fast=True) mediantime = jm_single().bc_interface.rpc("getblockchaininfo", [])["mediantime"] timeoffset_success_tests = [(2, False), (-60*60*24*30, True), (60*60*24*30, False)] for timeoffset, required_success in timeoffset_success_tests: #generate keypair priv = "aa"*32 + "01" pub = unhexlify(bitcoin.privkey_to_pubkey(priv)) addr_locktime = mediantime + timeoffset redeem_script = bitcoin.mk_freeze_script(pub, addr_locktime) script_pub_key = bitcoin.redeem_script_to_p2wsh_script(redeem_script) regtest_vbyte = 100 addr = bitcoin.script_to_address(script_pub_key, vbyte=regtest_vbyte) #fund frozen funds address amount = 100000000 funding_ins_full = wallet_service.select_utxos(0, amount) funding_txid = make_sign_and_push(funding_ins_full, wallet_service, amount, output_addr=addr) assert funding_txid #spend frozen funds frozen_in = funding_txid + ":0" output_addr = wallet_service.get_internal_addr(1) miner_fee = 5000 outs = [{'value': amount - miner_fee, 'address': output_addr}] tx = bitcoin.mktx([frozen_in], outs, locktime=addr_locktime+1) i = 0 sig = bitcoin.get_p2sh_signature(tx, i, redeem_script, priv, amount) assert bitcoin.verify_tx_input(tx, i, script_pub_key, sig, pub, scriptCode=redeem_script, amount=amount) tx = bitcoin.apply_freeze_signature(tx, i, redeem_script, sig) push_success = jm_single().bc_interface.pushtx(tx) assert push_success == required_success @pytest.fixture(scope="module") def setup_tx_creation(): load_test_config()