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handle fee rounding error

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julian 2023-01-31 10:37:03 -06:00
parent 3940c88e44
commit c06c3935ca
1 changed files with 13 additions and 1 deletions
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14
lib/services/mixins/paynym_wallet_interface.dart
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@ -455,7 +455,7 @@ mixin PaynymWalletInterface {
// check estimates are correct and build notification tx // check estimates are correct and build notification tx
if (changeAmount >= _dustLimitP2PKH && if (changeAmount >= _dustLimitP2PKH &&
satoshisBeingUsed - amountToSend - changeAmount == feeForWithChange) { satoshisBeingUsed - amountToSend - changeAmount == feeForWithChange) {
final txn = await _createNotificationTx( var txn = await _createNotificationTx(
targetPaymentCodeString: targetPaymentCodeString, targetPaymentCodeString: targetPaymentCodeString,
utxosToUse: utxoObjectsToUse, utxosToUse: utxoObjectsToUse,
utxoSigningData: utxoSigningData, utxoSigningData: utxoSigningData,
@ -464,6 +464,18 @@ mixin PaynymWalletInterface {
int feeBeingPaid = satoshisBeingUsed - amountToSend - changeAmount; int feeBeingPaid = satoshisBeingUsed - amountToSend - changeAmount;
// make sure minimum fee is accurate if that is being used
if (txn.item2 - feeBeingPaid == 1) {
changeAmount -= 1;
feeBeingPaid += 1;
txn = await _createNotificationTx(
targetPaymentCodeString: targetPaymentCodeString,
utxosToUse: utxoObjectsToUse,
utxoSigningData: utxoSigningData,
change: changeAmount,
);
}
Map<String, dynamic> transactionObject = { Map<String, dynamic> transactionObject = {
"hex": txn.item1, "hex": txn.item1,
"recipientPaynym": targetPaymentCodeString, "recipientPaynym": targetPaymentCodeString,