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Added verification for unspent coins while transaction creation.

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This commit is contained in:
M 2021-07-23 19:10:22 +03:00
parent 4418532896
commit b0724348a1
1 changed files with 5 additions and 4 deletions
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9
lib/bitcoin/electrum_wallet.dart
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@ -158,6 +158,9 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
const minAmount = 546; const minAmount = 546;
final transactionCredentials = credentials as BitcoinTransactionCredentials; final transactionCredentials = credentials as BitcoinTransactionCredentials;
final inputs = <BitcoinUnspent>[]; final inputs = <BitcoinUnspent>[];
final credentialsAmount = transactionCredentials.amount != null
? stringDoubleToBitcoinAmount(transactionCredentials.amount)
: 0;
var allInputsAmount = 0; var allInputsAmount = 0;
if (unspentCoins.isEmpty) { if (unspentCoins.isEmpty) {
@ -171,7 +174,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
} }
} }
if (inputs.isEmpty) { if (inputs.isEmpty ||
(credentialsAmount > 0 && allInputsAmount < credentialsAmount)) {
throw BitcoinTransactionNoInputsException(); throw BitcoinTransactionNoInputsException();
} }
@ -179,9 +183,6 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
feeAmountForPriority(transactionCredentials.priority, inputs.length, 1); feeAmountForPriority(transactionCredentials.priority, inputs.length, 1);
final allAmount = allInputsAmount - allAmountFee; final allAmount = allInputsAmount - allAmountFee;
final credentialsAmount = transactionCredentials.amount != null
? stringDoubleToBitcoinAmount(transactionCredentials.amount)
: 0;
final amount = transactionCredentials.amount == null || final amount = transactionCredentials.amount == null ||
allAmount - credentialsAmount < minAmount allAmount - credentialsAmount < minAmount
? allAmount ? allAmount