From dc7eb64e83f5b8e63f12729d5f77b1c920b136e4 Mon Sep 17 00:00:00 2001 From: Sebastian Falbesoner Date: Thu, 13 May 2021 18:56:38 +0200 Subject: test: MiniWallet: add P2PK support --- test/functional/test_framework/wallet.py | 35 ++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-) (limited to 'test/functional/test_framework/wallet.py') diff --git a/test/functional/test_framework/wallet.py b/test/functional/test_framework/wallet.py index 57b0a170f0..18822fc610 100644 --- a/test/functional/test_framework/wallet.py +++ b/test/functional/test_framework/wallet.py @@ -6,6 +6,7 @@ from decimal import Decimal from test_framework.address import ADDRESS_BCRT1_P2WSH_OP_TRUE +from test_framework.key import ECKey from test_framework.messages import ( COIN, COutPoint, @@ -16,8 +17,11 @@ from test_framework.messages import ( ) from test_framework.script import ( CScript, + LegacySignatureHash, + OP_CHECKSIG, OP_TRUE, OP_NOP, + SIGHASH_ALL, ) from test_framework.util import ( assert_equal, @@ -27,12 +31,20 @@ from test_framework.util import ( class MiniWallet: - def __init__(self, test_node, *, raw_script=False): + def __init__(self, test_node, *, raw_script=False, use_p2pk=False): self._test_node = test_node self._utxos = [] + self._priv_key = None + self._address = None + if raw_script: - self._address = None self._scriptPubKey = bytes(CScript([OP_TRUE])) + elif use_p2pk: + # use simple deterministic private key (k=1) + self._priv_key = ECKey() + self._priv_key.set((1).to_bytes(32, 'big'), True) + pub_key = self._priv_key.get_pubkey() + self._scriptPubKey = bytes(CScript([pub_key.get_bytes(), OP_CHECKSIG])) else: self._address = ADDRESS_BCRT1_P2WSH_OP_TRUE self._scriptPubKey = hex_str_to_bytes(self._test_node.validateaddress(self._address)['scriptPubKey']) @@ -50,6 +62,13 @@ class MiniWallet: if out['scriptPubKey']['hex'] == self._scriptPubKey.hex(): self._utxos.append({'txid': tx['txid'], 'vout': out['n'], 'value': out['value']}) + def sign_tx(self, tx): + """Sign tx that has been created by MiniWallet in P2PK mode""" + assert self._priv_key is not None + (sighash, err) = LegacySignatureHash(CScript(self._scriptPubKey), tx, 0, SIGHASH_ALL) + assert err is None + tx.vin[0].scriptSig = CScript([self._priv_key.sign_ecdsa(sighash) + bytes(bytearray([SIGHASH_ALL]))]) + def generate(self, num_blocks): """Generate blocks with coinbase outputs to the internal address, and append the outputs to the internal list""" blocks = self._test_node.generatetodescriptor(num_blocks, f'raw({self._scriptPubKey.hex()})') @@ -99,7 +118,12 @@ class MiniWallet: tx.vout = [CTxOut(int(send_value * COIN), self._scriptPubKey)] if not self._address: # raw script - tx.vin[0].scriptSig = CScript([OP_NOP] * 35) # pad to identical size + if self._priv_key is not None: + # P2PK, need to sign + self.sign_tx(tx) + else: + # anyone-can-spend + tx.vin[0].scriptSig = CScript([OP_NOP] * 35) # pad to identical size else: tx.wit.vtxinwit = [CTxInWitness()] tx.wit.vtxinwit[0].scriptWitness.stack = [CScript([OP_TRUE])] @@ -108,7 +132,10 @@ class MiniWallet: tx_info = from_node.testmempoolaccept([tx_hex])[0] assert_equal(mempool_valid, tx_info['allowed']) if mempool_valid: - assert_equal(tx_info['vsize'], vsize) + # TODO: for P2PK, vsize is not constant due to varying scriptSig length, + # so only check this for anyone-can-spend outputs right now + if self._priv_key is None: + assert_equal(tx_info['vsize'], vsize) assert_equal(tx_info['fees']['base'], fee) return {'txid': tx_info['txid'], 'wtxid': tx_info['wtxid'], 'hex': tx_hex, 'tx': tx} -- cgit v1.2.3