Host-customized fork of https://github.com/tecnovert/basicswap/
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72 lines
2.6 KiB
72 lines
2.6 KiB
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (c) 2022 tecnovert |
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# Distributed under the MIT software license, see the accompanying |
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# file LICENSE or http://www.opensource.org/licenses/mit-license.php. |
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from .btc import BTCInterface |
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from basicswap.chainparams import Coins |
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from basicswap.util.address import decodeAddress |
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from mnemonic import Mnemonic |
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from basicswap.contrib.test_framework.script import ( |
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CScript, |
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OP_DUP, OP_HASH160, OP_EQUALVERIFY, OP_CHECKSIG |
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) |
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class DASHInterface(BTCInterface): |
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@staticmethod |
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def coin_type(): |
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return Coins.DASH |
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def seedToMnemonic(self, key): |
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return Mnemonic('english').to_mnemonic(key) |
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def initialiseWallet(self, key): |
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words = self.seedToMnemonic(key) |
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self.rpc_callback('upgradetohd', [words, ]) |
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def decodeAddress(self, address): |
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return decodeAddress(address)[1:] |
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def checkExpectedSeed(self, key_hash): |
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try: |
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rv = self.rpc_callback('dumphdinfo') |
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entropy = Mnemonic('english').to_entropy(rv['mnemonic'].split(' ')) |
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entropy_hash = self.getAddressHashFromKey(entropy)[::-1].hex() |
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return entropy_hash == key_hash |
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except Exception as e: |
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self._log.warning('checkExpectedSeed failed: {}'.format(str(e))) |
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return False |
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def withdrawCoin(self, value, addr_to, subfee): |
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params = [addr_to, value, '', '', subfee, False, False, self._conf_target] |
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return self.rpc_callback('sendtoaddress', params) |
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def getSpendableBalance(self): |
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return self.make_int(self.rpc_callback('getwalletinfo')['balance']) |
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def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray: |
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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 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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pay_fee = int(fee_rate * size // 1000) |
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self._log.info(f'BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.') |
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return pay_fee |
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def findTxnByHash(self, txid_hex: str): |
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# Only works for wallet txns |
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try: |
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rv = self.rpc_callback('gettransaction', [txid_hex]) |
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except Exception as ex: |
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self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex)) |
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return None |
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if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed: |
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block_height = self.getBlockHeader(rv['blockhash'])['height'] |
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return {'txid': txid_hex, 'amount': 0, 'height': block_height} |
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return None
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