Host-customized fork of https://github.com/tecnovert/basicswap/
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573 lines
23 KiB
573 lines
23 KiB
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (c) 2020-2024 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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import json |
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import logging |
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import basicswap.contrib.ed25519_fast as edf |
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import basicswap.ed25519_fast_util as edu |
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import basicswap.util_xmr as xmr_util |
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from coincurve.ed25519 import ( |
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ed25519_add, |
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ed25519_get_pubkey, |
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ed25519_scalar_add, |
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) |
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from coincurve.keys import PrivateKey |
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from coincurve.dleag import ( |
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dleag_prove, |
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dleag_verify, |
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dleag_proof_len, |
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verify_ed25519_point, |
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) |
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from basicswap.interface import ( |
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Curves) |
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from basicswap.util import ( |
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i2b, b2i, b2h, |
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dumpj, |
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ensure, |
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make_int, |
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TemporaryError) |
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from basicswap.util.network import ( |
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is_private_ip_address) |
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from basicswap.rpc_xmr import ( |
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make_xmr_rpc_func, |
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make_xmr_rpc2_func) |
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from basicswap.chainparams import XMR_COIN, CoinInterface, Coins |
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class XMRInterface(CoinInterface): |
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@staticmethod |
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def curve_type(): |
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return Curves.ed25519 |
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@staticmethod |
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def coin_type(): |
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return Coins.XMR |
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@staticmethod |
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def COIN(): |
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return XMR_COIN |
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@staticmethod |
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def exp() -> int: |
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return 12 |
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@staticmethod |
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def nbk() -> int: |
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return 32 |
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@staticmethod |
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def nbK() -> int: # No. of bytes requires to encode a public key |
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return 32 |
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@staticmethod |
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def depth_spendable() -> int: |
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return 10 |
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@staticmethod |
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def xmr_swap_a_lock_spend_tx_vsize() -> int: |
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raise ValueError('Not possible') |
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@staticmethod |
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def xmr_swap_b_lock_spend_tx_vsize() -> int: |
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# TODO: Estimate with ringsize |
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return 1507 |
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def __init__(self, coin_settings, network, swap_client=None): |
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super().__init__(network) |
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self.blocks_confirmed = coin_settings['blocks_confirmed'] |
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self._restore_height = coin_settings.get('restore_height', 0) |
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self.setFeePriority(coin_settings.get('fee_priority', 0)) |
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self._sc = swap_client |
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self._log = self._sc.log if self._sc and self._sc.log else logging |
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self._wallet_password = None |
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self._have_checked_seed = False |
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daemon_login = None |
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if coin_settings.get('rpcuser', '') != '': |
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daemon_login = (coin_settings.get('rpcuser', ''), coin_settings.get('rpcpassword', '')) |
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rpchost = coin_settings.get('rpchost', '127.0.0.1') |
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proxy_host = None |
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proxy_port = None |
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# Connect to the daemon over a proxy if not running locally |
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if swap_client: |
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chain_client_settings = swap_client.getChainClientSettings(self.coin_type()) |
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manage_daemon: bool = chain_client_settings['manage_daemon'] |
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if swap_client.use_tor_proxy: |
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if manage_daemon is False: |
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log_str: str = '' |
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have_cc_tor_opt = 'use_tor' in chain_client_settings |
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if have_cc_tor_opt and chain_client_settings['use_tor'] is False: |
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log_str = ' bypassing proxy (use_tor false for XMR)' |
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elif have_cc_tor_opt is False and is_private_ip_address(rpchost): |
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log_str = ' bypassing proxy (private ip address)' |
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else: |
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proxy_host = swap_client.tor_proxy_host |
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proxy_port = swap_client.tor_proxy_port |
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log_str = f' through proxy at {proxy_host}' |
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self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}.') |
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else: |
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self._log.info(f'Not connecting to local {self.coin_name()} daemon through proxy.') |
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elif manage_daemon is False: |
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self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}.') |
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self._rpctimeout = coin_settings.get('rpctimeout', 60) |
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self._walletrpctimeout = coin_settings.get('walletrpctimeout', 120) |
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self._walletrpctimeoutlong = coin_settings.get('walletrpctimeoutlong', 600) |
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self.rpc = make_xmr_rpc_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node(j) ') |
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self.rpc2 = make_xmr_rpc2_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node ') # non-json endpoint |
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self.rpc_wallet = make_xmr_rpc_func(coin_settings['walletrpcport'], coin_settings['walletrpcauth'], host=coin_settings.get('walletrpchost', '127.0.0.1'), default_timeout=self._walletrpctimeout, tag='Wallet ') |
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def checkWallets(self) -> int: |
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return 1 |
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def setFeePriority(self, new_priority): |
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ensure(new_priority >= 0 and new_priority < 4, 'Invalid fee_priority value') |
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self._fee_priority = new_priority |
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def setWalletFilename(self, wallet_filename): |
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self._wallet_filename = wallet_filename |
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def createWallet(self, params): |
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if self._wallet_password is not None: |
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params['password'] = self._wallet_password |
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rv = self.rpc_wallet('generate_from_keys', params) |
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self._log.info('generate_from_keys %s', dumpj(rv)) |
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def openWallet(self, filename): |
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params = {'filename': filename} |
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if self._wallet_password is not None: |
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params['password'] = self._wallet_password |
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try: |
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# Can't reopen the same wallet in windows, !is_keys_file_locked() |
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self.rpc_wallet('close_wallet') |
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except Exception: |
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pass |
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self.rpc_wallet('open_wallet', params) |
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def initialiseWallet(self, key_view, key_spend, restore_height=None): |
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with self._mx_wallet: |
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try: |
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self.openWallet(self._wallet_filename) |
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# TODO: Check address |
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return # Wallet exists |
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except Exception as e: |
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pass |
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Kbv = self.getPubkey(key_view) |
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Kbs = self.getPubkey(key_spend) |
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address_b58 = xmr_util.encode_address(Kbv, Kbs) |
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params = { |
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'filename': self._wallet_filename, |
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'address': address_b58, |
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'viewkey': b2h(key_view[::-1]), |
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'spendkey': b2h(key_spend[::-1]), |
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'restore_height': self._restore_height, |
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} |
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self.createWallet(params) |
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self.openWallet(self._wallet_filename) |
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def ensureWalletExists(self) -> None: |
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with self._mx_wallet: |
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self.openWallet(self._wallet_filename) |
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def testDaemonRPC(self, with_wallet=True) -> None: |
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self.rpc_wallet('get_languages') |
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def getDaemonVersion(self): |
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return self.rpc_wallet('get_version')['version'] |
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def getBlockchainInfo(self): |
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get_height = self.rpc2('get_height', timeout=self._rpctimeout) |
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rv = { |
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'blocks': get_height['height'], |
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'verificationprogress': 0.0, |
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} |
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try: |
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# get_block_count.block_count is how many blocks are in the longest chain known to the node. |
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# get_block_count returns "Internal error" if bootstrap-daemon is active |
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if get_height['untrusted'] is True: |
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rv['bootstrapping'] = True |
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get_info = self.rpc2('get_info', timeout=self._rpctimeout) |
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if 'height_without_bootstrap' in get_info: |
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rv['blocks'] = get_info['height_without_bootstrap'] |
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rv['known_block_count'] = get_info['height'] |
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if rv['known_block_count'] > rv['blocks']: |
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rv['verificationprogress'] = rv['blocks'] / rv['known_block_count'] |
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else: |
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rv['known_block_count'] = self.rpc('get_block_count', timeout=self._rpctimeout)['count'] |
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rv['verificationprogress'] = rv['blocks'] / rv['known_block_count'] |
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except Exception as e: |
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self._log.warning('XMR get_block_count failed with: %s', str(e)) |
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rv['verificationprogress'] = 0.0 |
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return rv |
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def getChainHeight(self): |
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return self.rpc2('get_height', timeout=self._rpctimeout)['height'] |
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def getWalletInfo(self): |
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with self._mx_wallet: |
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try: |
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self.openWallet(self._wallet_filename) |
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except Exception as e: |
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if 'Failed to open wallet' in str(e): |
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rv = {'encrypted': True, 'locked': True, 'balance': 0, 'unconfirmed_balance': 0} |
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return rv |
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raise e |
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rv = {} |
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self.rpc_wallet('refresh') |
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balance_info = self.rpc_wallet('get_balance') |
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rv['balance'] = self.format_amount(balance_info['unlocked_balance']) |
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rv['unconfirmed_balance'] = self.format_amount(balance_info['balance'] - balance_info['unlocked_balance']) |
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rv['encrypted'] = False if self._wallet_password is None else True |
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rv['locked'] = False |
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return rv |
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def walletRestoreHeight(self): |
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return self._restore_height |
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def getMainWalletAddress(self) -> str: |
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with self._mx_wallet: |
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self.openWallet(self._wallet_filename) |
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return self.rpc_wallet('get_address')['address'] |
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def getNewAddress(self, placeholder) -> str: |
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with self._mx_wallet: |
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self.openWallet(self._wallet_filename) |
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new_address = self.rpc_wallet('create_address', {'account_index': 0})['address'] |
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self.rpc_wallet('store') |
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return new_address |
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def get_fee_rate(self, conf_target: int = 2): |
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self._log.warning('TODO - estimate XMR fee rate?') |
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return 0.0, 'unused' |
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def getNewSecretKey(self) -> bytes: |
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# Note: Returned bytes are in big endian order |
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return i2b(edu.get_secret()) |
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def pubkey(self, key: bytes) -> bytes: |
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return edf.scalarmult_B(key) |
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def encodeKey(self, vk: bytes) -> str: |
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return vk[::-1].hex() |
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def decodeKey(self, k_hex: str) -> bytes: |
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return bytes.fromhex(k_hex)[::-1] |
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def encodePubkey(self, pk: bytes) -> str: |
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return edu.encodepoint(pk) |
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def decodePubkey(self, pke): |
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return edf.decodepoint(pke) |
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def getPubkey(self, privkey): |
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return ed25519_get_pubkey(privkey) |
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def getAddressFromKeys(self, key_view: bytes, key_spend: bytes) -> str: |
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pk_view = self.getPubkey(key_view) |
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pk_spend = self.getPubkey(key_spend) |
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return xmr_util.encode_address(pk_view, pk_spend) |
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def verifyKey(self, k: int) -> bool: |
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i = b2i(k) |
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return (i < edf.l and i > 8) |
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def verifyPubkey(self, pubkey_bytes): |
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# Calls ed25519_decode_check_point() in secp256k1 |
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# Checks for small order |
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return verify_ed25519_point(pubkey_bytes) |
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def proveDLEAG(self, key: bytes) -> bytes: |
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privkey = PrivateKey(key) |
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return dleag_prove(privkey) |
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def verifyDLEAG(self, dleag_bytes: bytes) -> bool: |
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return dleag_verify(dleag_bytes) |
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def lengthDLEAG(self) -> int: |
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return dleag_proof_len() |
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def sumKeys(self, ka: bytes, kb: bytes) -> bytes: |
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return ed25519_scalar_add(ka, kb) |
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def sumPubkeys(self, Ka: bytes, Kb: bytes) -> bytes: |
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return ed25519_add(Ka, Kb) |
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def encodeSharedAddress(self, Kbv: bytes, Kbs: bytes) -> str: |
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return xmr_util.encode_address(Kbv, Kbs) |
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def publishBLockTx(self, kbv: bytes, Kbs: bytes, output_amount: int, feerate: int, delay_for: int = 10, unlock_time: int = 0) -> bytes: |
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with self._mx_wallet: |
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self.openWallet(self._wallet_filename) |
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self.rpc_wallet('refresh') |
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Kbv = self.getPubkey(kbv) |
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shared_addr = xmr_util.encode_address(Kbv, Kbs) |
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params = {'destinations': [{'amount': output_amount, 'address': shared_addr}], 'unlock_time': unlock_time} |
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if self._fee_priority > 0: |
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params['priority'] = self._fee_priority |
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rv = self.rpc_wallet('transfer', params) |
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self._log.info('publishBLockTx %s to address_b58 %s', rv['tx_hash'], shared_addr) |
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tx_hash = bytes.fromhex(rv['tx_hash']) |
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if self._sc.debug: |
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i = 0 |
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while not self._sc.delay_event.is_set(): |
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gt_params = {'out': True, 'pending': True, 'failed': True, 'pool': True, } |
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rv = self.rpc_wallet('get_transfers', gt_params) |
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self._log.debug('get_transfers {}'.format(dumpj(rv))) |
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if 'pending' not in rv: |
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break |
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if i >= delay_for: |
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break |
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self._sc.delay_event.wait(1.0) |
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return tx_hash |
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def findTxB(self, kbv, Kbs, cb_swap_value, cb_block_confirmed, restore_height, bid_sender): |
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with self._mx_wallet: |
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Kbv = self.getPubkey(kbv) |
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address_b58 = xmr_util.encode_address(Kbv, Kbs) |
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kbv_le = kbv[::-1] |
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params = { |
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'restore_height': restore_height, |
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'filename': address_b58, |
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'address': address_b58, |
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'viewkey': b2h(kbv_le), |
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} |
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try: |
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self.openWallet(address_b58) |
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except Exception as e: |
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self.createWallet(params) |
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self.openWallet(address_b58) |
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self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong) |
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''' |
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# Debug |
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try: |
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current_height = self.rpc_wallet('get_height')['height'] |
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self._log.info('findTxB XMR current_height %d\nAddress: %s', current_height, address_b58) |
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except Exception as e: |
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self._log.info('rpc failed %s', str(e)) |
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current_height = None # If the transfer is available it will be deep enough |
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# and (current_height is None or current_height - transfer['block_height'] > cb_block_confirmed): |
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''' |
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params = {'transfer_type': 'available'} |
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transfers = self.rpc_wallet('incoming_transfers', params) |
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rv = None |
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if 'transfers' in transfers: |
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for transfer in transfers['transfers']: |
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# unlocked <- wallet->is_transfer_unlocked() checks unlock_time and CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE |
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if not transfer['unlocked']: |
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full_tx = self.rpc_wallet('get_transfer_by_txid', {'txid': transfer['tx_hash']}) |
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unlock_time = full_tx['transfer']['unlock_time'] |
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if unlock_time != 0: |
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self._log.warning('Coin b lock txn is locked: {}, unlock_time {}'.format(transfer['tx_hash'], unlock_time)) |
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rv = -1 |
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continue |
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if transfer['amount'] == cb_swap_value: |
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return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': 0 if 'block_height' not in transfer else transfer['block_height']} |
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else: |
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self._log.warning('Incorrect amount detected for coin b lock txn: {}'.format(transfer['tx_hash'])) |
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rv = -1 |
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return rv |
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def findTxnByHash(self, txid): |
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with self._mx_wallet: |
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self.openWallet(self._wallet_filename) |
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self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong) |
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try: |
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current_height = self.rpc2('get_height', timeout=self._rpctimeout)['height'] |
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self._log.info('findTxnByHash XMR current_height %d\nhash: %s', current_height, txid) |
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except Exception as e: |
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self._log.info('rpc failed %s', str(e)) |
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current_height = None # If the transfer is available it will be deep enough |
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params = {'transfer_type': 'available'} |
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rv = self.rpc_wallet('incoming_transfers', params) |
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if 'transfers' in rv: |
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for transfer in rv['transfers']: |
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if transfer['tx_hash'] == txid \ |
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and (current_height is None or current_height - transfer['block_height'] > self.blocks_confirmed): |
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return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': transfer['block_height']} |
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return None |
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def spendBLockTx(self, chain_b_lock_txid: bytes, address_to: str, kbv: bytes, kbs: bytes, cb_swap_value: int, b_fee_rate: int, restore_height: int, spend_actual_balance: bool = False) -> bytes: |
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''' |
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Notes: |
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"Error: No unlocked balance in the specified subaddress(es)" can mean not enough funds after tx fee. |
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''' |
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with self._mx_wallet: |
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Kbv = self.getPubkey(kbv) |
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Kbs = self.getPubkey(kbs) |
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address_b58 = xmr_util.encode_address(Kbv, Kbs) |
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wallet_filename = address_b58 + '_spend' |
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params = { |
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'filename': wallet_filename, |
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'address': address_b58, |
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'viewkey': b2h(kbv[::-1]), |
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'spendkey': b2h(kbs[::-1]), |
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'restore_height': restore_height, |
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} |
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try: |
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self.openWallet(wallet_filename) |
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except Exception as e: |
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self.createWallet(params) |
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self.openWallet(wallet_filename) |
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self.rpc_wallet('refresh') |
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rv = self.rpc_wallet('get_balance') |
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if rv['balance'] < cb_swap_value: |
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self._log.warning('Balance is too low, checking for existing spend.') |
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txns = self.rpc_wallet('get_transfers', {'out': True}) |
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if 'out' in txns: |
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txns = txns['out'] |
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if len(txns) > 0: |
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txid = txns[0]['txid'] |
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self._log.warning(f'spendBLockTx detected spending tx: {txid}.') |
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if txns[0]['address'] == address_b58: |
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return bytes.fromhex(txid) |
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self._log.error('wallet {} balance {}, expected {}'.format(wallet_filename, rv['balance'], cb_swap_value)) |
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|
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if not spend_actual_balance: |
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raise TemporaryError('Invalid balance') |
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if spend_actual_balance and rv['balance'] != cb_swap_value: |
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self._log.warning('Spending actual balance {}, not swap value {}.'.format(rv['balance'], cb_swap_value)) |
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cb_swap_value = rv['balance'] |
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if rv['unlocked_balance'] < cb_swap_value: |
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self._log.error('wallet {} balance {}, expected {}, blocks_to_unlock {}'.format(wallet_filename, rv['unlocked_balance'], cb_swap_value, rv['blocks_to_unlock'])) |
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raise TemporaryError('Invalid unlocked_balance') |
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params = {'address': address_to} |
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if self._fee_priority > 0: |
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params['priority'] = self._fee_priority |
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rv = self.rpc_wallet('sweep_all', params) |
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self._log.debug('sweep_all {}'.format(json.dumps(rv))) |
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return bytes.fromhex(rv['tx_hash_list'][0]) |
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def withdrawCoin(self, value: int, addr_to: str, subfee: bool) -> str: |
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with self._mx_wallet: |
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value_sats = make_int(value, self.exp()) |
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self.openWallet(self._wallet_filename) |
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self.rpc_wallet('refresh') |
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if subfee: |
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balance = self.rpc_wallet('get_balance') |
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diff = balance['unlocked_balance'] - value_sats |
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if diff >= 0 and diff <= 10: |
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self._log.info('subfee enabled and value close to total, using sweep_all.') |
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params = {'address': addr_to} |
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if self._fee_priority > 0: |
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params['priority'] = self._fee_priority |
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rv = self.rpc_wallet('sweep_all', params) |
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return rv['tx_hash_list'][0] |
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raise ValueError('Withdraw value must be close to total to use subfee/sweep_all.') |
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params = {'destinations': [{'amount': value_sats, 'address': addr_to}]} |
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if self._fee_priority > 0: |
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params['priority'] = self._fee_priority |
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rv = self.rpc_wallet('transfer', params) |
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return rv['tx_hash'] |
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|
|
def showLockTransfers(self, kbv, Kbs, restore_height): |
|
with self._mx_wallet: |
|
try: |
|
Kbv = self.getPubkey(kbv) |
|
address_b58 = xmr_util.encode_address(Kbv, Kbs) |
|
wallet_file = address_b58 + '_spend' |
|
try: |
|
self.openWallet(wallet_file) |
|
except Exception: |
|
wallet_file = address_b58 |
|
try: |
|
self.openWallet(wallet_file) |
|
except Exception: |
|
self._log.info(f'showLockTransfers trying to create wallet for address {address_b58}.') |
|
kbv_le = kbv[::-1] |
|
params = { |
|
'restore_height': restore_height, |
|
'filename': address_b58, |
|
'address': address_b58, |
|
'viewkey': b2h(kbv_le), |
|
} |
|
self.createWallet(params) |
|
self.openWallet(address_b58) |
|
|
|
self.rpc_wallet('refresh') |
|
|
|
rv = self.rpc_wallet('get_transfers', {'in': True, 'out': True, 'pending': True, 'failed': True}) |
|
rv['filename'] = wallet_file |
|
return rv |
|
except Exception as e: |
|
return {'error': str(e)} |
|
|
|
def getSpendableBalance(self) -> int: |
|
with self._mx_wallet: |
|
self.openWallet(self._wallet_filename) |
|
|
|
self.rpc_wallet('refresh') |
|
balance_info = self.rpc_wallet('get_balance') |
|
return balance_info['unlocked_balance'] |
|
|
|
def changeWalletPassword(self, old_password, new_password): |
|
self._log.info('changeWalletPassword - {}'.format(self.ticker())) |
|
orig_password = self._wallet_password |
|
if old_password != '': |
|
self._wallet_password = old_password |
|
try: |
|
self.openWallet(self._wallet_filename) |
|
self.rpc_wallet('change_wallet_password', {'old_password': old_password, 'new_password': new_password}) |
|
except Exception as e: |
|
self._wallet_password = orig_password |
|
raise e |
|
|
|
def unlockWallet(self, password: str) -> None: |
|
self._log.info('unlockWallet - {}'.format(self.ticker())) |
|
self._wallet_password = password |
|
|
|
if not self._have_checked_seed: |
|
self._sc.checkWalletSeed(self.coin_type()) |
|
|
|
def lockWallet(self) -> None: |
|
self._log.info('lockWallet - {}'.format(self.ticker())) |
|
self._wallet_password = None |
|
|
|
def isAddressMine(self, address): |
|
# TODO |
|
return True |
|
|
|
def ensureFunds(self, amount: int) -> None: |
|
if self.getSpendableBalance() < amount: |
|
raise ValueError('Balance too low') |
|
|
|
def getTransaction(self, txid: bytes): |
|
return self.rpc2('get_transactions', {'txs_hashes': [txid.hex(), ]})
|
|
|