mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 03:59:23 +00:00
fix create side wallet
This commit is contained in:
Serhii
parent
d150f06b39
commit
628fb212fb
5 changed files with 270 additions and 194 deletions
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@ -1,21 +1,17 @@
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import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
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import 'package:cw_bitcoin/electrum.dart';
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import 'package:cw_bitcoin/utils.dart';
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import 'package:cw_bitcoin/bitcoin_address_record.dart';
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import 'package:cw_bitcoin/electrum.dart';
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import 'package:cw_bitcoin/electrum_wallet_addresses.dart';
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import 'package:cw_bitcoin/utils.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:flutter/foundation.dart';
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import 'package:mobx/mobx.dart';
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part 'bitcoin_wallet_addresses.g.dart';
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class BitcoinWalletAddresses = BitcoinWalletAddressesBase
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with _$BitcoinWalletAddresses;
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class BitcoinWalletAddresses = BitcoinWalletAddressesBase with _$BitcoinWalletAddresses;
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abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses
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with Store {
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BitcoinWalletAddressesBase(
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WalletInfo walletInfo,
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abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses with Store {
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BitcoinWalletAddressesBase(WalletInfo walletInfo,
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{required bitcoin.HDWallet mainHd,
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required bitcoin.HDWallet sideHd,
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required bitcoin.NetworkType networkType,
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@ -23,8 +19,7 @@ abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses
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List<BitcoinAddressRecord>? initialAddresses,
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int initialRegularAddressIndex = 0,
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int initialChangeAddressIndex = 0})
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: super(
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walletInfo,
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: super(walletInfo,
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initialAddresses: initialAddresses,
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initialRegularAddressIndex: initialRegularAddressIndex,
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initialChangeAddressIndex: initialChangeAddressIndex,
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@ -93,7 +93,7 @@ abstract class ElectrumWalletBase
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static HDWallet bitcoinCashHDWallet(Uint8List seedBytes) =>
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bitcoin.HDWallet.fromSeed(seedBytes, network: bitcoinCashNetworkType)
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.derivePath("m/44'/145'/0'/0/0");
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.derivePath("m/44'/145'/0'/0");
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static int estimatedTransactionSize(int inputsCount, int outputsCounts) =>
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inputsCount * 146 + outputsCounts * 33 + 8;
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@ -154,9 +154,7 @@ abstract class ElectrumWalletBase
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Future<void> startSync() async {
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try {
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syncStatus = AttemptingSyncStatus();
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if (walletInfo.type != WalletType.bitcoinCash) { //TODO: BCH: remove this check when supported
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await walletAddresses.discoverAddresses();
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}
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await updateTransactions();
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_subscribeForUpdates();
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await updateUnspent();
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@ -108,8 +108,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
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updateChangeAddresses();
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if (changeAddresses.isEmpty) {
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final newAddresses = await _createNewAddresses(
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(walletInfo.type != WalletType.bitcoinCash ? gap : 0), //TODO: BCH: Fix this
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final newAddresses = await _createNewAddresses(gap,
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hd: sideHd,
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startIndex: totalCountOfChangeAddresses > 0
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? totalCountOfChangeAddresses - 1
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@ -180,8 +179,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
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} else {
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addrs = await _createNewAddresses(
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isHidden
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? walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0 //TODO: BCH: Fix this
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: walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1, //TODO: BCH: Fix this
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? defaultChangeAddressesCount
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: defaultReceiveAddressesCount,
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startIndex: 0,
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hd: hd,
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isHidden: isHidden);
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@ -196,7 +195,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
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}
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final start = addrs.length;
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final count = start + (walletInfo.type != WalletType.bitcoinCash ? gap : 0); //TODO: BCH: Fix this
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final count = start + gap;
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final batch = await _createNewAddresses(
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count,
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startIndex: start,
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@ -223,8 +222,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
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countOfReceiveAddresses += 1;
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});
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if (countOfReceiveAddresses < (walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1)) { //TODO: BCH: Fix this
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final addressesCount = (walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1) - countOfReceiveAddresses;
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if (countOfReceiveAddresses < defaultReceiveAddressesCount) {
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final addressesCount = defaultReceiveAddressesCount - countOfReceiveAddresses;
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final newAddresses = await _createNewAddresses(
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addressesCount,
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startIndex: countOfReceiveAddresses,
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@ -233,8 +232,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
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addresses.addAll(newAddresses);
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}
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if (countOfHiddenAddresses < (walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0)) { //TODO: BCH: Fix this
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final addressesCount = (walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0) - countOfHiddenAddresses;
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if (countOfHiddenAddresses < defaultChangeAddressesCount) {
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final addressesCount = defaultChangeAddressesCount - countOfHiddenAddresses;
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final newAddresses = await _createNewAddresses(
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addressesCount,
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startIndex: countOfHiddenAddresses,
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@ -10,6 +10,7 @@ import 'package:cw_bitcoin/bitcoin_unspent.dart';
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import 'package:cw_bitcoin/electrum_balance.dart';
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import 'package:cw_bitcoin/electrum_wallet.dart';
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import 'package:cw_bitcoin/electrum_wallet_snapshot.dart';
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import 'package:cw_bitcoin/pending_bitcoin_transaction.dart';
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import 'package:cw_bitcoin_cash/src/pending_bitcoin_cash_transaction.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/pending_transaction.dart';
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@ -53,11 +54,22 @@ abstract class BitcoinCashWalletBase extends ElectrumWallet with Store {
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initialRegularAddressIndex: initialRegularAddressIndex,
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initialChangeAddressIndex: initialChangeAddressIndex,
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mainHd: hd,
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sideHd: hd,
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//TODO: BCH: check if this is correct
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sideHd: bitcoin.HDWallet.fromSeed(seedBytes, network: bitcoinCashNetworkType)
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.derivePath("m/44'/145'/0'/1"),
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networkType: networkType);
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}
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static bitcoin.NetworkType bitcoinCashNetworkType = bitcoin.NetworkType(
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messagePrefix: '\x18Bitcoin Signed Message:\n',
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bech32: 'bc',
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bip32: bitcoin.Bip32Type(
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public: 0x0488b21e,
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private: 0x0488ade4,
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),
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pubKeyHash: 0x00,
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scriptHash: 0x05,
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wif: 0x80);
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static Future<BitcoinCashWallet> create(
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{required String mnemonic,
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required String password,
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@ -98,158 +110,219 @@ abstract class BitcoinCashWalletBase extends ElectrumWallet with Store {
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initialChangeAddressIndex: snp.changeAddressIndex);
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}
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@override
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Future<PendingTransaction> createTransaction(Object credentials) async {
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final transactionCredentials = credentials as BitcoinTransactionCredentials;
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const minAmount = 546;
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final inputs = <BitcoinUnspent>[];
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var allInputsAmount = 0;
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final outputs = transactionCredentials.outputs;
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final hasMultiDestination = outputs.length > 1;
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if (unspentCoins.isEmpty) {
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await updateUnspent();
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}
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for (final utx in unspentCoins) {
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if (utx.isSending) {
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allInputsAmount += utx.value;
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inputs.add(utx);
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}
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}
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if (inputs.isEmpty) throw BitcoinTransactionNoInputsException();
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final int feeRate = transactionCredentials.feeRate ??
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BitcoinCashFeeRates.feeRate(transactionCredentials.priority!);
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final int allAmountFee =
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bitbox.BitcoinCash.getByteCount(inputs.length, transactionCredentials.outputs.length) *
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feeRate;
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final allAmount = allInputsAmount - allAmountFee;
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var credentialsAmount = 0;
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var amount = 0;
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var fee = 0;
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if (hasMultiDestination) {
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if (outputs.any((item) => item.sendAll || item.formattedCryptoAmount! <= 0)) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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credentialsAmount = outputs.fold(0, (acc, value) {
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return acc + value.formattedCryptoAmount!;
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});
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if (allAmount - credentialsAmount < minAmount) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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amount = credentialsAmount;
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if (transactionCredentials.feeRate != null) {
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount,
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outputsCount: outputs.length + 1);
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} else {
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fee = calculateEstimatedFee(transactionCredentials.priority, amount,
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outputsCount: outputs.length + 1);
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}
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} else {
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final output = outputs.first;
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credentialsAmount = !output.sendAll ? output.formattedCryptoAmount! : 0;
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if (credentialsAmount > allAmount) throw BitcoinTransactionWrongBalanceException(currency);
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amount = output.sendAll || allAmount - credentialsAmount < minAmount
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? allAmount
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: credentialsAmount;
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if (output.sendAll || amount == allAmount) {
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fee = allAmountFee;
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} else if (transactionCredentials.feeRate != null) {
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount);
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} else {
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fee = calculateEstimatedFee(transactionCredentials.priority, amount);
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}
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}
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if (fee == 0) throw BitcoinTransactionWrongBalanceException(currency);
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final totalAmount = amount + fee;
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if (totalAmount > balance[currency]!.confirmed || totalAmount > allInputsAmount) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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// final changeAddress = await walletAddresses.getChangeAddress(); TODO: BCH: implement change address
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var leftAmount = totalAmount;
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var totalInputAmount = 0;
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inputs.clear();
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for (final utx in unspentCoins) {
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if (utx.isSending) {
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leftAmount = leftAmount - utx.value;
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totalInputAmount += utx.value;
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inputs.add(utx);
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if (leftAmount <= 0) break;
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}
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}
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if (inputs.isEmpty) throw BitcoinTransactionNoInputsException();
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if (amount <= 0 || totalInputAmount < totalAmount) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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final builder = bitbox.Bitbox.transactionBuilder(testnet: false);
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final _wallet = hd;
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final utxoSigningData = await fetchBuildTxData(inputs, _wallet);
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List<bitbox.Utxo> _utxos = [];
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for (var element in inputs) {
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_utxos.add(bitbox.Utxo(element.hash, element.vout,
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bitbox.BitcoinCash.fromSatoshi(element.value), element.value, 0, 1));
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}
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final signatures = <Map>[];
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int totalBalance = 0;
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_utxos.forEach((bitbox.Utxo utxo) {
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builder.addInput(utxo.txid, utxo.vout);
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final ec = utxoSigningData.firstWhere((e) => e.utxo.hash == utxo.txid).keyPair!;
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final bitboxEC = bitbox.ECPair.fromWIF(ec.toWIF());
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signatures
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.add({"vin": signatures.length, "key_pair": bitboxEC, "original_amount": utxo.satoshis});
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totalBalance += utxo.satoshis;
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});
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outputs.forEach((item) {
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final outputAmount = hasMultiDestination ? item.formattedCryptoAmount : amount;
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final outputAddress = item.isParsedAddress ? item.extractedAddress! : item.address;
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builder.addOutput(outputAddress, outputAmount!);
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});
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signatures.forEach((signature) {
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builder.sign(signature["vin"], signature["key_pair"], signature["original_amount"]);
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});
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// build the transaction
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final tx = builder.build();
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return PendingBitcoinCashTransaction(tx, type,
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electrumClient: electrumClient, amount: amount, fee: fee)
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..addListener((transaction) async {
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transactionHistory.addOne(transaction);
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await updateBalance();
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});
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}
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// @override
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// Future<PendingTransaction> createTransaction(Object credentials) async {
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// final transactionCredentials = credentials as BitcoinTransactionCredentials;
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//
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// const minAmount = 546;
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// final inputs = <BitcoinUnspent>[];
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// var allInputsAmount = 0;
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// final outputs = transactionCredentials.outputs;
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// final hasMultiDestination = outputs.length > 1;
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//
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// if (unspentCoins.isEmpty) {
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// await updateUnspent();
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// }
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//
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// for (final utx in unspentCoins) {
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// if (utx.isSending) {
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// allInputsAmount += utx.value;
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// inputs.add(utx);
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// }
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// }
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//
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// if (inputs.isEmpty) throw BitcoinTransactionNoInputsException();
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//
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// final int feeRate = transactionCredentials.feeRate ??
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// BitcoinCashFeeRates.feeRate(transactionCredentials.priority!);
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//
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// final int allAmountFee =
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// bitbox.BitcoinCash.getByteCount(inputs.length, transactionCredentials.outputs.length) *
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// feeRate;
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//
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// final allAmount = allInputsAmount - allAmountFee;
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// var credentialsAmount = 0;
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// var amount = 0;
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// var fee = 0;
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//
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// if (hasMultiDestination) {
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// if (outputs.any((item) => item.sendAll || item.formattedCryptoAmount! <= 0)) {
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// throw BitcoinTransactionWrongBalanceException(currency);
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// }
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//
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// credentialsAmount = outputs.fold(0, (acc, value) {
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// return acc + value.formattedCryptoAmount!;
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// });
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//
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// if (allAmount - credentialsAmount < minAmount) {
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// throw BitcoinTransactionWrongBalanceException(currency);
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// }
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//
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// amount = credentialsAmount;
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//
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// if (transactionCredentials.feeRate != null) {
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// fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount,
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// outputsCount: outputs.length + 1);
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// } else {
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// fee = calculateEstimatedFee(transactionCredentials.priority, amount,
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// outputsCount: outputs.length + 1);
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// }
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// } else {
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// final output = outputs.first;
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// credentialsAmount = !output.sendAll ? output.formattedCryptoAmount! : 0;
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//
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// if (credentialsAmount > allAmount) throw BitcoinTransactionWrongBalanceException(currency);
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//
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// amount = output.sendAll || allAmount - credentialsAmount < minAmount
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// ? allAmount
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// : credentialsAmount;
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//
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// if (output.sendAll || amount == allAmount) {
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// fee = allAmountFee;
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// } else if (transactionCredentials.feeRate != null) {
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// fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount);
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// } else {
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// fee = calculateEstimatedFee(transactionCredentials.priority, amount);
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// }
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// }
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//
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// if (fee == 0) throw BitcoinTransactionWrongBalanceException(currency);
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//
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// final totalAmount = amount + fee;
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//
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// if (totalAmount > balance[currency]!.confirmed || totalAmount > allInputsAmount) {
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// throw BitcoinTransactionWrongBalanceException(currency);
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// }
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//
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// // final changeAddress = await walletAddresses.getChangeAddress(); TODO: BCH: implement change address
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// var leftAmount = totalAmount;
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// var totalInputAmount = 0;
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//
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// inputs.clear();
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//
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// for (final utx in unspentCoins) {
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// if (utx.isSending) {
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// leftAmount = leftAmount - utx.value;
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// totalInputAmount += utx.value;
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// inputs.add(utx);
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//
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// if (leftAmount <= 0) break;
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// }
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// }
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//
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// if (inputs.isEmpty) throw BitcoinTransactionNoInputsException();
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//
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// if (amount <= 0 || totalInputAmount < totalAmount) {
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// throw BitcoinTransactionWrongBalanceException(currency);
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// }
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//
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// final builder = bitbox.Bitbox.transactionBuilder(testnet: false);
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// final _wallet = hd;
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//
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// final utxoSigningData = await fetchBuildTxData(inputs, _wallet);
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//
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// List<bitbox.Utxo> _utxos = [];
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// for (var element in inputs) {
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// _utxos.add(bitbox.Utxo(element.hash, element.vout,
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// bitbox.BitcoinCash.fromSatoshi(element.value), element.value, 0, 1));
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// }
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//
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// final signatures = <Map>[];
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// int totalBalance = 0;
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//
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// _utxos.forEach((bitbox.Utxo utxo) {
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// builder.addInput(utxo.txid, utxo.vout);
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//
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// final ec = utxoSigningData.firstWhere((e) => e.utxo.hash == utxo.txid).keyPair!;
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//
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// final bitboxEC = bitbox.ECPair.fromWIF(ec.toWIF());
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//
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// signatures
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// .add({"vin": signatures.length, "key_pair": bitboxEC, "original_amount": utxo.satoshis});
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//
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// totalBalance += utxo.satoshis;
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// });
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//
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// outputs.forEach((item) {
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// final outputAmount = hasMultiDestination ? item.formattedCryptoAmount : amount;
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// final outputAddress = item.isParsedAddress ? item.extractedAddress! : item.address;
|
||||
// builder.addOutput(outputAddress, outputAmount!);
|
||||
// });
|
||||
//
|
||||
// signatures.forEach((signature) {
|
||||
// builder.sign(signature["vin"], signature["key_pair"], signature["original_amount"]);
|
||||
// });
|
||||
//
|
||||
// // build the transaction
|
||||
// final tx = builder.build();
|
||||
// return PendingBitcoinCashTransaction(tx, type,
|
||||
// electrumClient: electrumClient, amount: amount, fee: fee)
|
||||
// ..addListener((transaction) async {
|
||||
// transactionHistory.addOne(transaction);
|
||||
// await updateBalance();
|
||||
// });
|
||||
// }
|
||||
// @override
|
||||
// Future<PendingBitcoinTransaction> createTransaction(Object credentials) async {
|
||||
// final utxosToUse = unspentCoins.where((utxo) => utxo.isSending).toList();
|
||||
// final utxoSigningData = await fetchBuildTxData(utxosToUse, hd);
|
||||
// final builder = bitbox.Bitbox.transactionBuilder(testnet: false);
|
||||
//
|
||||
// List<bitbox.Utxo> _utxos = [];
|
||||
// for (var element in utxosToUse) {
|
||||
// _utxos.add(bitbox.Utxo(element.hash, element.vout,
|
||||
// bitbox.BitcoinCash.fromSatoshi(element.value), element.value, 0, 1));
|
||||
// }
|
||||
//
|
||||
// final signatures = <Map>[];
|
||||
// int totalBalance = 0;
|
||||
//
|
||||
// _utxos.forEach((bitbox.Utxo utxo) {
|
||||
// // add the utxo as an input for the transaction
|
||||
// builder.addInput(utxo.txid, utxo.vout);
|
||||
//
|
||||
// final ec = utxoSigningData.firstWhere((e) => e.utxo.hash == utxo.txid).keyPair!;
|
||||
//
|
||||
// final bitboxEC = bitbox.ECPair.fromWIF(ec.toWIF());
|
||||
//
|
||||
// // add a signature to the list to be used later
|
||||
// signatures
|
||||
// .add({"vin": signatures.length, "key_pair": bitboxEC, "original_amount": utxo.satoshis});
|
||||
//
|
||||
// totalBalance += utxo.satoshis;
|
||||
// });
|
||||
//
|
||||
// // set an address to send the remaining balance to
|
||||
// final outputAddress = "13Hvge9HRduGiXMfcJHFn6sggequmaKqsZ";
|
||||
//
|
||||
// // if there is an unspent balance, create a spending transaction
|
||||
// if (totalBalance > 0 && outputAddress != "") {
|
||||
// // calculate the fee based on number of inputs and one expected output
|
||||
// final fee = bitbox.BitcoinCash.getByteCount(signatures.length, 1);
|
||||
//
|
||||
// // calculate how much balance will be left over to spend after the fee
|
||||
// final sendAmount = totalBalance - fee;
|
||||
//
|
||||
// // add the output based on the address provided in the testing data
|
||||
// builder.addOutput(outputAddress, sendAmount);
|
||||
//
|
||||
// // sign all inputs
|
||||
// signatures.forEach((signature) {
|
||||
// builder.sign(signature["vin"], signature["key_pair"], signature["original_amount"]);
|
||||
// });
|
||||
//
|
||||
// // build the transaction
|
||||
// final tx = builder.build();
|
||||
//
|
||||
// // broadcast the transaction
|
||||
// final result = await electrumClient.broadcastTransaction(transactionRaw: tx.toHex());
|
||||
//
|
||||
// // Yatta!
|
||||
// print("Transaction broadcasted: $result");
|
||||
// }
|
||||
// return PendingBitcoinTransaction(Transaction(), type,
|
||||
// electrumClient: electrumClient, amount: 1, fee: 1);
|
||||
// }
|
||||
|
||||
Future<List<SigningData>> fetchBuildTxData(
|
||||
List<BitcoinUnspent> utxosToUse, HDWallet wallet) async {
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
import 'package:bitbox/bitbox.dart' as Bitbox;
|
||||
import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
|
||||
import 'package:cw_bitcoin/bitcoin_address_record.dart';
|
||||
import 'package:cw_bitcoin/electrum.dart';
|
||||
import 'package:cw_bitcoin/electrum_wallet_addresses.dart';
|
||||
import 'package:cw_bitcoin/utils.dart';
|
||||
import 'package:cw_core/wallet_info.dart';
|
||||
import 'package:mobx/mobx.dart';
|
||||
|
||||
|
|
@ -30,5 +30,16 @@ abstract class BitcoinCashWalletAddressesBase extends ElectrumWalletAddresses wi
|
|||
|
||||
@override
|
||||
String getAddress({required int index, required bitcoin.HDWallet hd}) =>
|
||||
hd.address!;
|
||||
generateP2PKHAddress(hd: hd, index: index, networkType: bitcoinCashNetworkType);
|
||||
|
||||
static bitcoin.NetworkType bitcoinCashNetworkType = bitcoin.NetworkType(
|
||||
messagePrefix: '\x18Bitcoin Signed Message:\n',
|
||||
bech32: 'bc',
|
||||
bip32: bitcoin.Bip32Type(
|
||||
public: 0x0488b21e,
|
||||
private: 0x0488ade4,
|
||||
),
|
||||
pubKeyHash: 0x00,
|
||||
scriptHash: 0x05,
|
||||
wif: 0x80);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue