mirror of
https://github.com/basicswap/basicswap.git
synced 2024-12-22 11:39:34 +00:00
Lint
This commit is contained in:
mainnet-pat
nahuhh
parent
ec1671911b
commit
32df813731
7 changed files with 25 additions and 82 deletions
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@ -6,7 +6,7 @@ lint_task:
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- pip install flake8 codespell
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script:
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- flake8 --version
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- PYTHONWARNINGS="ignore" flake8 --ignore=E501,F841,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,messages_pb2.py,.eggs,.tox,bin/install_certifi.py
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- PYTHONWARNINGS="ignore" flake8 --ignore=E501,F841,W503,E702,E131 --exclude=basicswap/contrib,basicswap/interface/contrib,messages_pb2.py,.eggs,.tox,bin/install_certifi.py
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- codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=tests/lint/spelling.ignore-words.txt -S .git,.eggs,.tox,pgp,*.pyc,*basicswap/contrib,*basicswap/interface/contrib,*mnemonics.py,bin/install_certifi.py,*basicswap/static
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test_task:
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@ -47,7 +47,6 @@ from .util import (
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DeserialiseNum,
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h2b,
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i2b,
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i2h,
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zeroIfNone,
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make_int,
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ensure,
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@ -3009,7 +3008,6 @@ class BasicSwap(BaseApp):
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lockExtraArgs['public_key'] = xmr_swap.pkal
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lockExtraArgs['timelock'] = xmr_offer.lock_time_1
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xmr_swap.a_lock_tx_script = pi.genScriptLockTxScript(ci_from, xmr_swap.pkal, xmr_swap.pkaf, **lockExtraArgs)
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prefunded_tx = self.getPreFundedTx(Concepts.OFFER, bid.offer_id, TxTypes.ITX_PRE_FUNDED, session=use_session)
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if prefunded_tx:
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@ -3950,7 +3948,7 @@ class BasicSwap(BaseApp):
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return rv
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if 'txid' in lock_tx_chain_info and lock_tx_chain_info['txid'] != b2h(xmr_swap.a_lock_tx_id):
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# if we find that txid was changed (by funding or otherwise), we need to update it to track correctly
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# if we find that txid was changed (by funding or otherwise), we need to update it to track correctly
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xmr_swap.a_lock_tx_id = h2b(lock_tx_chain_info['txid'])
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xmr_swap.a_lock_tx = h2b(lock_tx_chain_info['txhex'])
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@ -3972,7 +3970,7 @@ class BasicSwap(BaseApp):
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# update watcher
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self.watchXmrSwap(bid, offer, xmr_swap, session)
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bid_changed = True
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if bid.xmr_a_lock_tx.state == TxStates.TX_NONE and lock_tx_chain_info['height'] == 0:
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bid.xmr_a_lock_tx.setState(TxStates.TX_IN_MEMPOOL)
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@ -4416,7 +4414,7 @@ class BasicSwap(BaseApp):
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ci_from = self.ci(coin_from)
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spend_tx = ci_from.loadTx(h2b(spend_txn_hex))
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bid.xmr_a_lock_tx.spend_txid = spending_txid
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is_spending_lock_tx = False
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@ -57,6 +57,7 @@ from coincurve.ecdsaotves import (
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ecdsaotves_rec_enc_key,
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)
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class BCHInterface(BTCInterface):
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@staticmethod
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def coin_type():
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@ -130,27 +131,19 @@ class BCHInterface(BTCInterface):
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# Return P2PKH
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return CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG])
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# def getScriptDest(self, script: bytearray) -> bytearray:
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# # P2SH
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# script_hash = hash160(script)
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# assert len(script_hash) == 20
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# return CScript([OP_HASH160, script_hash, OP_EQUAL])
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def encodeScriptDest(self, script_dest: bytes) -> str:
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# Extract hash from script
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script_hash = script_dest[2:-1]
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return self.sh_to_address(script_hash)
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def sh_to_address(self, sh: bytes) -> str:
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assert (len(sh) == 20 or len(sh) == 32)
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network = self._network.upper()
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address = None
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if len(sh) == 20:
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address = Address("P2SH20" if network == "MAINNET" else "P2SH20-"+network, sh)
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address = Address("P2SH20" if network == "MAINNET" else "P2SH20-" + network, sh)
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else:
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address = Address("P2SH32" if network == "MAINNET" else "P2SH32-"+network, sh)
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address = Address("P2SH32" if network == "MAINNET" else "P2SH32-" + network, sh)
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return address.cash_address()
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@ -165,9 +158,6 @@ class BCHInterface(BTCInterface):
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params = [addr_to, value, '', '', subfee, 0, False]
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return self.rpc_wallet('sendtoaddress', params)
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def getSpendableBalance(self) -> int:
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return self.make_int(self.rpc('getwalletinfo')['unconfirmed_balance'])
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def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
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add_bytes = 107
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size = len(tx.serialize_with_witness()) + add_bytes
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@ -188,7 +178,7 @@ class BCHInterface(BTCInterface):
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return None
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def getLockTxHeight(self, txid, dest_address, bid_amount, rescan_from, find_index: bool = False, vout: int = -1):
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# Add watchonly address and rescan if required
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# Add watchonly address and rescan if required
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txid = None
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# first lookup by dest_address
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@ -252,10 +242,10 @@ class BCHInterface(BTCInterface):
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return CScript([
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# // v4.1.0-CashTokens-Optimized
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# // Based on swaplock.cash v4.1.0-CashTokens
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#
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#
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# // Alice has XMR, wants BCH and/or CashTokens.
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# // Bob has BCH and/or CashTokens, wants XMR.
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#
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#
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# // Verify 1-in-1-out TX form
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OP_TXINPUTCOUNT,
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OP_1, OP_NUMEQUALVERIFY,
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@ -305,7 +295,7 @@ class BCHInterface(BTCInterface):
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# // Refund will become available when timelock expires, and it would
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# // expire because Alice didn't collect on time, either of her own accord
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# // or because Bob bailed out and witheld the encrypted signature.
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# // or because Bob bailed out and withheld the encrypted signature.
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OP_ELSE,
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# // int timelock_0
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timelock,
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@ -340,7 +330,7 @@ class BCHInterface(BTCInterface):
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def addressToLockingBytecode(self, address: str) -> bytes:
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return b'\x76\xa9\x14' + bytes(Address.from_string(address).payload) + b'\x88\xac'
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def getSpendableBalance(self) -> int:
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return self.make_int(self.rpc_wallet('getbalance', ["*", 1, False]))
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@ -353,22 +343,13 @@ class BCHInterface(BTCInterface):
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sha256(sha256(script)),
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OP_EQUAL,
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])
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def createSCLockTx(self, value: int, script: bytearray, vkbv: bytes = None) -> bytes:
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tx = CTransaction()
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tx.nVersion = self.txVersion()
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tx.vout.append(self.txoType()(value, self.getScriptDest(script)))
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return tx.serialize_without_witness()
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def getScriptForPubkeyHash(self, pkh: bytes) -> CScript:
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return CScript([
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OP_DUP,
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OP_HASH160,
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pkh,
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OP_EQUALVERIFY,
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OP_CHECKSIG,
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])
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def getTxSize(self, tx: CTransaction) -> int:
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return len(tx.serialize_without_witness())
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@ -496,7 +477,7 @@ class BCHInterface(BTCInterface):
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def verifyTxSig(self, tx_bytes: bytes, sig: bytes, K: bytes, input_n: int, prevout_script: bytes, prevout_value: int) -> bool:
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# simple ecdsa signature verification
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return self.verifyDataSig(tx_bytes, sig, K)
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def verifyDataSig(self, data: bytes, sig: bytes, K: bytes) -> bool:
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# simple ecdsa signature verification
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pubkey = PublicKey(K)
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@ -505,37 +486,6 @@ class BCHInterface(BTCInterface):
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def setTxSignature(self, tx_bytes: bytes, stack) -> bytes:
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return tx_bytes
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def verifySCLockTx(self, tx_bytes, script_out,
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swap_value,
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Kal, Kaf,
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feerate,
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check_lock_tx_inputs, vkbv=None):
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# Verify:
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#
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# Not necessary to check the lock txn is mineable, as protocol will wait for it to confirm
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# However by checking early we can avoid wasting time processing unmineable txns
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# Check fee is reasonable
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tx = self.loadTx(tx_bytes)
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txid = self.getTxid(tx)
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self._log.info('Verifying lock tx: {}.'.format(b2h(txid)))
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ensure(tx.nVersion == self.txVersion(), 'Bad version')
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ensure(tx.nLockTime == 0, 'Bad nLockTime') # TODO match txns created by cores
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script_pk = self.getScriptDest(script_out)
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locked_n = findOutput(tx, script_pk)
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ensure(locked_n is not None, 'Output not found in tx')
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locked_coin = tx.vout[locked_n].nValue
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# Check value
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ensure(locked_coin == swap_value, 'Bad locked value')
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# TODO: better script matching, see interfaces/btc.py
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return txid, locked_n
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def extractScriptLockScriptValuesFromScriptSig(self, script_bytes):
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signature, nb = decodePushData(script_bytes, 0)
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if nb == len(script_bytes):
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@ -598,7 +548,7 @@ class BCHInterface(BTCInterface):
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ensure_op(script_bytes[o] == OP_EQUALVERIFY); o += 1
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public_key, nb = decodePushData(script_bytes, o); o += nb
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ensure_op(script_bytes[o] == OP_CHECKDATASIG); o += 1
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ensure_op(script_bytes[o] == OP_ELSE); o += 1
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timelock, nb = decodeScriptNum(script_bytes, o); o += nb
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ensure_op(script_bytes[o] == OP_CHECKSEQUENCEVERIFY); o += 1
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@ -708,7 +658,6 @@ class BCHInterface(BTCInterface):
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ensure(public_key == _public_key, 'public_key mismatch')
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ensure(timelock == _timelock, 'timelock mismatch')
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fee_paid = locked_coin - mining_fee
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assert (fee_paid > 0)
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@ -814,7 +763,7 @@ class BCHInterface(BTCInterface):
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msg = sha256(out_1)
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return ecdsaotves_enc_sign(key_sign, pubkey_encrypt, msg)
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def decryptOtVES(self, k: bytes, esig: bytes) -> bytes:
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return ecdsaotves_dec_sig(k, esig)
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@ -32,6 +32,7 @@ def decodeScriptNum(script_bytes, o):
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v += int(b) << 8 * i
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return (v, 1 + num_len)
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def decodePushData(script_bytes, o):
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datasize = None
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pushdata_type = None
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@ -76,6 +77,7 @@ def decodePushData(script_bytes, o):
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# return data and the number of bytes to skip forward
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return (data, i + datasize - o)
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def getP2SHScriptForHash(p2sh):
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return bytes((OpCodes.OP_HASH160, 0x14)) \
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+ p2sh \
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@ -11,21 +11,14 @@ bch_lock_swipe_script = '4c8fc3519dc4519d02e80300c600cc949d00ce00d18800cf00d2880
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coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1, 'use_segwit': False, 'connection_type': 'rpc'}
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class TestXmrBchSwapInterface(unittest.TestCase):
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# def test_generate_script(self):
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# out_1 = bytes.fromhex('a9147171b53baf87efc9c78ffc0e37a78859cebaae4a87')
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# out_2 = bytes.fromhex('a9147171b53baf87efc9c78ffc0e37a78859cebaae4a87')
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# public_key = bytes.fromhex('03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556')
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# ci = BCHInterface(coin_settings, "regtest")
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# print(ci.genScriptLockTxScript(None, 1000, out_1, out_2, public_key, 2).hex())
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def test_extractScriptLockScriptValues(self):
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ci = BCHInterface(coin_settings, "regtest")
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script_bytes = CScript(bytes.fromhex(bch_lock_script))
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ci.extractScriptLockScriptValues(script_bytes)
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script_bytes = CScript(bytes.fromhex(bch_lock_spend_script))
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signature, mining_fee, out_1, out_2, public_key, timelock = ci.extractScriptLockScriptValuesFromScriptSig(script_bytes)
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ensure(signature is not None, 'signature not present')
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@ -54,8 +54,6 @@ class TestFunctions(BaseTest):
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extra_wait_time = 0
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test_coin_from = Coins.BCH
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def callnoderpc(self, method, params=[], wallet=None, node_id=0):
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return callnoderpc(node_id, method, params, wallet, self.base_rpc_port)
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@ -86,6 +84,7 @@ class TestFunctions(BaseTest):
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swap_clients[1].ci(Coins.XMR).setFeePriority(0)
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class TestBCH(BasicSwapTest):
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__test__ = True
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test_coin_from = Coins.BCH
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@ -546,4 +545,4 @@ class TestBCH(BasicSwapTest):
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def test_08_insufficient_funds_rev(self):
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self.prepare_balance(Coins.BCH, 100.0, 1801, 1800)
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super().test_08_insufficient_funds_rev()
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super().test_08_insufficient_funds_rev()
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@ -241,9 +241,11 @@ def prepare_swapclient_dir(datadir, node_id, network_key, network_pubkey, with_c
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def btcCli(cmd, node_id=0):
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return callrpc_cli(cfg.BITCOIN_BINDIR, os.path.join(TEST_DIR, 'btc_' + str(node_id)), 'regtest', cmd, cfg.BITCOIN_CLI)
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def bchCli(cmd, node_id=0):
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return callrpc_cli(cfg.BITCOINCASH_BINDIR, os.path.join(TEST_DIR, 'bch_' + str(node_id)), 'regtest', cmd, cfg.BITCOINCASH_CLI)
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def ltcCli(cmd, node_id=0):
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return callrpc_cli(cfg.LITECOIN_BINDIR, os.path.join(TEST_DIR, 'ltc_' + str(node_id)), 'regtest', cmd, cfg.LITECOIN_CLI)
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