From e5d89f15bdd22b4546dd592ca95916b20569d016 Mon Sep 17 00:00:00 2001
From: julian <julian@cypherstack.com>
Date: Fri, 10 May 2024 15:54:41 -0600
Subject: [PATCH] dirty peercoin fee calc hack

---
 lib/wallets/wallet/impl/peercoin_wallet.dart  | 23 +++++++++----------
 .../electrumx_interface.dart                  |  4 +++-
 2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/lib/wallets/wallet/impl/peercoin_wallet.dart b/lib/wallets/wallet/impl/peercoin_wallet.dart
index 535f537b9..e08566f45 100644
--- a/lib/wallets/wallet/impl/peercoin_wallet.dart
+++ b/lib/wallets/wallet/impl/peercoin_wallet.dart
@@ -49,22 +49,21 @@ class PeercoinWallet extends Bip39HDWallet
 
   @override
   Amount roughFeeEstimate(int inputCount, int outputCount, int feeRatePerKB) {
-    // TODO: check ppc fee stuff
-    throw Exception("TODO");
-    // return Amount(
-    //   rawValue: BigInt.from(
-    //     ((42 + (272 * inputCount) + (128 * outputCount)) / 4).ceil() *
-    //         (feeRatePerKB / 1000).ceil(),
-    //   ),
-    //   fractionDigits: cryptoCurrency.fractionDigits,
-    // );
+    // TODO: actually do this properly for peercoin
+    // this is probably wrong for peercoin
+    return Amount(
+      rawValue: BigInt.from(
+        ((42 + (272 * inputCount) + (128 * outputCount)) / 4).ceil() *
+            (feeRatePerKB / 1000).ceil(),
+      ),
+      fractionDigits: cryptoCurrency.fractionDigits,
+    );
   }
 
+  /// we can just pretend vSize is size for peercoin
   @override
   int estimateTxFee({required int vSize, required int feeRatePerKB}) {
-    // TODO: check ppc fee stuff
-    throw Exception("TODO");
-    // return vSize * (feeRatePerKB / 1000).ceil();
+    return vSize * (feeRatePerKB / 1000).ceil();
   }
 
   // ===========================================================================
diff --git a/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart b/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
index b4fdb7a9d..026e9f5fc 100644
--- a/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
+++ b/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
@@ -24,6 +24,7 @@ import 'package:stackwallet/wallets/crypto_currency/coins/firo.dart';
 import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_hd_currency.dart';
 import 'package:stackwallet/wallets/models/tx_data.dart';
 import 'package:stackwallet/wallets/wallet/impl/bitcoin_wallet.dart';
+import 'package:stackwallet/wallets/wallet/impl/peercoin_wallet.dart';
 import 'package:stackwallet/wallets/wallet/intermediate/bip39_hd_wallet.dart';
 import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/paynym_interface.dart';
 
@@ -768,7 +769,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
 
     return txData.copyWith(
       raw: clTx.toHex(),
-      vSize: clTx.vSize(),
+      // dirty shortcut for peercoin's weirdness
+      vSize: this is PeercoinWallet ? clTx.size : clTx.vSize(),
       tempTx: TransactionV2(
         walletId: walletId,
         blockHash: null,