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# -*- coding: utf-8 -*-
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# Copyright (c) 2020 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 sqlalchemy.orm import scoped_session
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from basicswap.util import (
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ensure,
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)
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from basicswap.chainparams import (
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Coins,
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)
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from basicswap.basicswap_util import (
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KeyTypes,
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EventLogTypes,
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)
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def addLockRefundSigs(self, xmr_swap, ci):
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self.log.debug('Setting lock refund tx sigs')
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witness_stack = [
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b'',
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xmr_swap.al_lock_refund_tx_sig,
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xmr_swap.af_lock_refund_tx_sig,
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xmr_swap.a_lock_tx_script,
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]
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signed_tx = ci.setTxSignature(xmr_swap.a_lock_refund_tx, witness_stack)
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ensure(signed_tx, 'setTxSignature failed')
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xmr_swap.a_lock_refund_tx = signed_tx
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def recoverNoScriptTxnWithKey(self, bid_id, encoded_key):
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self.log.info('Manually recovering %s', bid_id.hex())
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# Manually recover txn if other key is known
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session = scoped_session(self.session_factory)
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try:
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bid, xmr_swap = self.getXmrBidFromSession(session, bid_id)
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ensure(bid, 'Bid not found: {}.'.format(bid_id.hex()))
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ensure(xmr_swap, 'XMR swap not found: {}.'.format(bid_id.hex()))
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offer, xmr_offer = self.getXmrOfferFromSession(session, bid.offer_id, sent=False)
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ensure(offer, 'Offer not found: {}.'.format(bid.offer_id.hex()))
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ensure(xmr_offer, 'XMR offer not found: {}.'.format(bid.offer_id.hex()))
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ci_to = self.ci(offer.coin_to)
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for_ed25519 = True if Coins(offer.coin_to) == Coins.XMR else False
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if bid.was_sent:
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kbsl = ci_to.decodeKey(encoded_key)
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kbsf = self.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, KeyTypes.KBSF, for_ed25519)
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else:
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kbsl = self.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, KeyTypes.KBSL, for_ed25519)
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kbsf = ci_to.decodeKey(encoded_key)
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ensure(ci_to.verifyKey(kbsl), 'Invalid kbsl')
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ensure(ci_to.verifyKey(kbsf), 'Invalid kbsf')
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vkbs = ci_to.sumKeys(kbsl, kbsf)
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if offer.coin_to == Coins.XMR:
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address_to = self.getCachedMainWalletAddress(ci_to)
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else:
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address_to = self.getCachedStealthAddressForCoin(offer.coin_to)
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amount = bid.amount_to
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txid = ci_to.spendBLockTx(xmr_swap.b_lock_tx_id, address_to, xmr_swap.vkbv, vkbs, bid.amount_to, xmr_offer.b_fee_rate, bid.chain_b_height_start, spend_actual_balance=True)
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self.log.debug('Submitted lock B spend txn %s to %s chain for bid %s', txid.hex(), ci_to.coin_name(), bid_id.hex())
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self.logBidEvent(bid.bid_id, EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED, txid.hex(), session)
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session.commit()
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return txid
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finally:
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session.close()
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session.remove()
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def getChainBSplitKey(swap_client, bid, xmr_swap, offer):
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ci_to = swap_client.ci(offer.coin_to)
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key_type = KeyTypes.KBSF if bid.was_sent else KeyTypes.KBSL
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return ci_to.encodeKey(swap_client.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, key_type, True if offer.coin_to == Coins.XMR else False))
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