From 4301ba96e56440d030f063877a4aa2d8ccf18910 Mon Sep 17 00:00:00 2001
From: julian <julian@cypherstack.com>
Date: Wed, 17 Jan 2024 11:12:36 -0600
Subject: [PATCH] fix dogecoin absurd fees send error

---
 lib/wallets/wallet/impl/dogecoin_wallet.dart                   | 3 +++
 .../wallet/wallet_mixin_interfaces/electrumx_interface.dart    | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/lib/wallets/wallet/impl/dogecoin_wallet.dart b/lib/wallets/wallet/impl/dogecoin_wallet.dart
index 2d21572f4..210ca64cd 100644
--- a/lib/wallets/wallet/impl/dogecoin_wallet.dart
+++ b/lib/wallets/wallet/impl/dogecoin_wallet.dart
@@ -17,6 +17,9 @@ class DogecoinWallet extends Bip39HDWallet
     with ElectrumXInterface, CoinControlInterface {
   DogecoinWallet(CryptoCurrencyNetwork network) : super(Dogecoin(network));
 
+  @override
+  int get maximumFeerate => 2500000; // 1000x default value
+
   @override
   int get isarTransactionVersion => 2;
 
diff --git a/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart b/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
index 4257c0f7c..1f425d498 100644
--- a/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
+++ b/lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
@@ -31,6 +31,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
   late ElectrumXClient electrumXClient;
   late CachedElectrumXClient electrumXCachedClient;
 
+  int? get maximumFeerate => null;
+
   static const _kServerBatchCutoffVersion = [1, 6];
   List<int>? _serverVersion;
   bool get serverCanBatch {
@@ -678,6 +680,7 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
         scriptHash: cryptoCurrency.networkParams.p2shPrefix,
         wif: cryptoCurrency.networkParams.wifPrefix,
       ),
+      maximumFeeRate: maximumFeerate,
     );
     const version = 1; // TODO possibly override this for certain coins?
     txb.setVersion(version);