Host-customized fork of https://github.com/tecnovert/basicswap/
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2024 tecnovert
# Distributed under the MIT software license, see the accompanying
# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
from basicswap.chainparams import Coins
from basicswap.interface.btc import Secp256k1Interface
from basicswap.util.address import (
b58decode,
b58encode,
)
from basicswap.util.crypto import (
blake256,
ripemd160,
)
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from basicswap.interface.dcr.rpc import make_rpc_func
class DCRInterface(Secp256k1Interface):
@staticmethod
def coin_type():
return Coins.DCR
@staticmethod
def exp() -> int:
return 8
@staticmethod
def COIN() -> int:
return 100000000
@staticmethod
def nbk() -> int:
return 32
@staticmethod
def nbK() -> int: # No. of bytes requires to encode a public key
return 33
def __init__(self, coin_settings, network, swap_client=None):
super().__init__(network)
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self._rpc_host = coin_settings.get('rpchost', '127.0.0.1')
self._rpcport = coin_settings['rpcport']
self._rpcauth = coin_settings['rpcauth']
self.rpc = make_rpc_func(self._rpcport, self._rpcauth, host=self._rpc_host)
def pkh(self, pubkey: bytes) -> bytes:
return ripemd160(blake256(pubkey))
def pkh_to_address(self, pkh: bytes) -> str:
prefix = self.chainparams_network()['pubkey_address']
data = prefix.to_bytes(2, 'big') + pkh
checksum = blake256(blake256(data))
return b58encode(data + checksum[0:4])
def decode_address(self, address: str) -> bytes:
addr_data = b58decode(address)
if addr_data is None:
return None
prefixed_data = addr_data[:-4]
checksum = addr_data[-4:]
if blake256(blake256(prefixed_data))[:4] != checksum:
raise ValueError('Checksum mismatch')
return prefixed_data
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def testDaemonRPC(self, with_wallet=True) -> None:
if with_wallet:
self.rpc_wallet('getwalletinfo')
else:
self.rpc('getblockchaininfo')