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temp fix for firo infinite fee estimate

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Marco 2022-10-13 13:01:49 -06:00
parent 764c66ee08
commit 3c29b9acdf
1 changed files with 53 additions and 27 deletions
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80
lib/services/coins/firo/firo_wallet.dart
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@ -4493,6 +4493,7 @@ class FiroWallet extends CoinServiceAPI {
}
}
// TODO: investigate the bug here where chosen is null, conditions, given one mint
spendVal += chosen!.amount;
coinsToSpend.insert(coinsToSpend.length, chosen);
}
@ -4514,36 +4515,61 @@ class FiroWallet extends CoinServiceAPI {
Future<int> estimateJoinSplitFee(
int spendAmount,
) async {
int fee;
int size;
for (fee = 0;;) {
int currentRequired = spendAmount;
var map = await getCoinsToJoinSplit(currentRequired);
if (map is bool && !map) {
return 0;
}
List<DartLelantusEntry> coinsToBeSpent =
map['coinsToSpend'] as List<DartLelantusEntry>;
// 1054 is constant part, mainly Schnorr and Range proofs, 2560 is for each sigma/aux data
// 179 other parts of tx, assuming 1 utxo and 1 jmint
size = 1054 + 2560 * coinsToBeSpent.length + 180;
// uint64_t feeNeeded = GetMinimumFee(size, DEFAULT_TX_CONFIRM_TARGET);
int feeNeeded =
size; //TODO(Levon) temporary, use real estimation methods here
if (fee >= feeNeeded) {
break;
}
fee = feeNeeded;
var lelantusEntry = await _getLelantusEntry();
final balance = await availableBalance;
int spendAmount =
(balance * Decimal.fromInt(Constants.satsPerCoin)).toBigInt().toInt();
if (spendAmount == 0 || lelantusEntry.isEmpty) {
return LelantusFeeData(0, 0, []).fee;
}
ReceivePort receivePort = await getIsolate({
"function": "estimateJoinSplit",
"spendAmount": spendAmount,
"subtractFeeFromAmount": true,
"lelantusEntries": lelantusEntry,
"coin": coin,
});
return fee;
final message = await receivePort.first;
if (message is String) {
Logging.instance.log("this is a string", level: LogLevel.Error);
stop(receivePort);
throw Exception("_fetchMaxFee isolate failed");
}
stop(receivePort);
Logging.instance.log('Closing estimateJoinSplit!', level: LogLevel.Info);
return (message as LelantusFeeData).fee;
}
// int fee;
// int size;
//
// for (fee = 0;;) {
// int currentRequired = spendAmount;
//
// TODO: investigate the bug here
// var map = await getCoinsToJoinSplit(currentRequired);
// if (map is bool && !map) {
// return 0;
// }
//
// List<DartLelantusEntry> coinsToBeSpent =
// map['coinsToSpend'] as List<DartLelantusEntry>;
//
// // 1054 is constant part, mainly Schnorr and Range proofs, 2560 is for each sigma/aux data
// // 179 other parts of tx, assuming 1 utxo and 1 jmint
// size = 1054 + 2560 * coinsToBeSpent.length + 180;
// // uint64_t feeNeeded = GetMinimumFee(size, DEFAULT_TX_CONFIRM_TARGET);
// int feeNeeded =
// size; //TODO(Levon) temporary, use real estimation methods here
//
// if (fee >= feeNeeded) {
// break;
// }
//
// fee = feeNeeded;
// }
//
// return fee;
@override
Future<int> estimateFeeFor(int satoshiAmount, int feeRate) async {