add coin impl equality operator overrides

lib/wallets/crypto_currency/coins/banano.dart

@@ -45,4 +45,12 @@ class Banano extends NanoCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Banano && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Banano, network);
 }

lib/wallets/crypto_currency/coins/bitcoin.dart

@@ -203,4 +203,12 @@ class Bitcoin extends Bip39HDCurrency with PaynymCurrencyInterface {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Bitcoin && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Bitcoin, network);
 }

lib/wallets/crypto_currency/coins/bitcoin_frost.dart

@@ -72,4 +72,12 @@ class BitcoinFrost extends FrostCurrency {
     // TODO: implement validateAddress for frost addresses
     return true;
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is BitcoinFrost && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(BitcoinFrost, network);
 }

lib/wallets/crypto_currency/coins/bitcoincash.dart

@@ -289,4 +289,12 @@ class Bitcoincash extends Bip39HDCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Bitcoincash && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Bitcoincash, network);
 }

lib/wallets/crypto_currency/coins/dogecoin.dart

@@ -181,4 +181,12 @@ class Dogecoin extends Bip39HDCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Dogecoin && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Dogecoin, network);
 }

lib/wallets/crypto_currency/coins/ecash.dart

@@ -269,4 +269,12 @@ class Ecash extends Bip39HDCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Ecash && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Ecash, network);
 }

lib/wallets/crypto_currency/coins/epiccash.dart

@@ -61,4 +61,12 @@ class Epiccash extends Bip39Currency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Epiccash && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Epiccash, network);
 }

lib/wallets/crypto_currency/coins/ethereum.dart

@@ -34,4 +34,12 @@ class Ethereum extends Bip39Currency {
   bool validateAddress(String address) {
     return isValidEthereumAddress(address);
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Ethereum && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Ethereum, network);
 }

lib/wallets/crypto_currency/coins/firo.dart

@@ -199,4 +199,12 @@ class Firo extends Bip39HDCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Firo && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Firo, network);
 }

lib/wallets/crypto_currency/coins/litecoin.dart

@@ -212,4 +212,12 @@ class Litecoin extends Bip39HDCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Litecoin && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Litecoin, network);
 }

lib/wallets/crypto_currency/coins/monero.dart

@@ -44,4 +44,12 @@ class Monero extends CryptonoteCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Monero && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Monero, network);
 }

lib/wallets/crypto_currency/coins/namecoin.dart

@@ -185,4 +185,12 @@ class Namecoin extends Bip39HDCurrency {
       return false;
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Namecoin && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Namecoin, network);
 }

lib/wallets/crypto_currency/coins/nano.dart

@@ -45,4 +45,12 @@ class Nano extends NanoCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Nano && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Nano, network);
 }

lib/wallets/crypto_currency/coins/particl.dart

@@ -165,4 +165,12 @@ class Particl extends Bip39HDCurrency {
       return false;
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Particl && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Particl, network);
 }

lib/wallets/crypto_currency/coins/stellar.dart

@@ -39,4 +39,12 @@ class Stellar extends Bip39Currency {
   @override
   bool validateAddress(String address) =>
       RegExp(r"^[G][A-Z0-9]{55}$").hasMatch(address);
+
+  @override
+  bool operator ==(Object other) {
+    return other is Stellar && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Stellar, network);
 }

lib/wallets/crypto_currency/coins/tezos.dart

@@ -146,4 +146,12 @@ class Tezos extends Bip39Currency {
   }
 
   // ===========================================================================
+
+  @override
+  bool operator ==(Object other) {
+    return other is Tezos && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Tezos, network);
 }

lib/wallets/crypto_currency/coins/wownero.dart

@@ -44,4 +44,12 @@ class Wownero extends CryptonoteCurrency {
         throw UnimplementedError();
     }
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is Wownero && other.network == network;
+  }
+
+  @override
+  int get hashCode => Object.hash(Wownero, network);
 }