/* * This file is part of Bitsquare. * * Bitsquare is free software: you can redistribute it and/or modify it * under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or (at * your option) any later version. * * Bitsquare is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public * License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>. */ package io.bitsquare.trade.protocol.trade.tasks.buyer; import io.bitsquare.btc.AddressEntry; import io.bitsquare.btc.FeePolicy; import io.bitsquare.btc.WalletService; import io.bitsquare.btc.data.PreparedDepositTxAndOffererInputs; import io.bitsquare.common.crypto.Hash; import io.bitsquare.common.taskrunner.TaskRunner; import io.bitsquare.trade.Trade; import io.bitsquare.trade.offer.Offer; import io.bitsquare.trade.protocol.trade.tasks.TradeTask; import org.bitcoinj.core.Address; import org.bitcoinj.core.Coin; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import static com.google.common.base.Preconditions.checkNotNull; public class OffererCreatesAndSignsDepositTxAsBuyer extends TradeTask { private static final Logger log = LoggerFactory.getLogger(OffererCreatesAndSignsDepositTxAsBuyer.class); public OffererCreatesAndSignsDepositTxAsBuyer(TaskRunner taskHandler, Trade trade) { super(taskHandler, trade); } @Override protected void run() { try { runInterceptHook(); checkNotNull(trade.getTradeAmount(), "trade.getTradeAmount() must not be null"); Offer offer = trade.getOffer(); Coin securityDeposit = FeePolicy.getSecurityDeposit(offer); Coin buyerInputAmount = securityDeposit.add(FeePolicy.getFixedTxFeeForTrades(offer)); Coin msOutputAmount = buyerInputAmount.add(securityDeposit).add(trade.getTradeAmount()); log.debug("\n\n------------------------------------------------------------\n" + "Contract as json\n" + trade.getContractAsJson() + "\n------------------------------------------------------------\n"); byte[] contractHash = Hash.getHash(trade.getContractAsJson()); trade.setContractHash(contractHash); WalletService walletService = processModel.getWalletService(); String id = processModel.getOffer().getId(); AddressEntry offererAddressEntry = walletService.getOrCreateAddressEntry(id, AddressEntry.Context.RESERVED_FOR_TRADE); AddressEntry buyerMultiSigAddressEntry = walletService.getOrCreateAddressEntry(id, AddressEntry.Context.MULTI_SIG); buyerMultiSigAddressEntry.setCoinLockedInMultiSig(buyerInputAmount.subtract(FeePolicy.getFixedTxFeeForTrades(offer))); Address changeAddress = walletService.getOrCreateAddressEntry(AddressEntry.Context.AVAILABLE).getAddress(); PreparedDepositTxAndOffererInputs result = processModel.getTradeWalletService().offererCreatesAndSignsDepositTx( true, contractHash, buyerInputAmount, msOutputAmount, processModel.tradingPeer.getRawTransactionInputs(), processModel.tradingPeer.getChangeOutputValue(), processModel.tradingPeer.getChangeOutputAddress(), offererAddressEntry.getAddress(), changeAddress, buyerMultiSigAddressEntry.getPubKey(), processModel.tradingPeer.getMultiSigPubKey(), trade.getArbitratorPubKey()); processModel.setPreparedDepositTx(result.depositTransaction); processModel.setRawTransactionInputs(result.rawOffererInputs); complete(); } catch (Throwable t) { failed(t); } } }