feat(exchange): add Chainflip provider

.github/workflows/test.yaml

@@ -81,6 +81,7 @@ jobs:
           const kCypherGoatAffiliate = "";
           const kTrocadorApiKey = "";
           const kTrocadorRefCode = "";
+          const kChainflipApiKey = "";
           EOF
           fi
 

lib/models/isar/exchange_cache/currency.dart

@@ -11,6 +11,7 @@
 import 'package:isar_community/isar.dart';
 
 import '../../../app_config.dart';
+import '../../../services/exchange/chainflip/chainflip_exchange.dart';
 import '../../../services/exchange/change_now/change_now_exchange.dart';
 import '../../../services/exchange/cyphergoat/cyphergoat_exchange.dart';
 import '../../../services/exchange/exchange.dart';
@@ -80,9 +81,8 @@ class Currency {
       return ticker.toLowerCase();
     }
 
-    return _fuzzyCache ??= switch (Exchange.fromName(
-      exchangeName,
-    ).runtimeType) {
+    return _fuzzyCache ??= switch (Exchange.fromName(exchangeName)
+        .runtimeType) {
       // already lower case ticker basically
       const (ChangeNowExchange) => network,
 
@@ -108,6 +108,8 @@ class Currency {
       const (CypherGoatExchange) =>
         network.isNotEmpty ? network.toLowerCase() : ticker.toLowerCase(),
 
+      const (ChainflipExchange) => _chainflipFuzzyNet(network, externalId),
+
       _ => throw Exception("Unknown exchange: $exchangeName"),
     };
   }
@@ -206,3 +208,14 @@ class Currency {
     return "Currency: ${toJson()}";
   }
 }
+
+/// Chainflip `network` values are display names ("Bitcoin", "Ethereum",
+/// "Solana"). Cross-provider grouping uses the asset-id suffix ("btc", "eth",
+/// "sol"), the short codes the default pair and sibling providers use;
+/// otherwise the Chainflip rows never join the shared currency rows.
+String _chainflipFuzzyNet(String network, String? externalId) {
+  if (externalId != null && externalId.contains(".")) {
+    return externalId.split(".").last;
+  }
+  return network.toLowerCase();
+}

lib/pages/exchange_view/exchange_form.dart

@@ -25,6 +25,7 @@ import '../../models/isar/exchange_cache/currency.dart';
 import '../../models/isar/models/ethereum/eth_contract.dart';
 import '../../pages_desktop_specific/desktop_exchange/exchange_steps/step_scaffold.dart';
 import '../../providers/providers.dart';
+import '../../services/exchange/chainflip/chainflip_exchange.dart';
 import '../../services/exchange/change_now/change_now_exchange.dart';
 import '../../services/exchange/cyphergoat/cyphergoat_exchange.dart';
 import '../../services/exchange/exchange.dart';
@@ -90,6 +91,7 @@ class _ExchangeFormState extends ConsumerState<ExchangeForm> {
         NanswapExchange.instance,
         WizardSwapExchange.instance,
         CypherGoatExchange.instance,
+        ChainflipExchange.instance,
       ];
     }
   }

lib/pages/exchange_view/sub_widgets/exchange_provider_options.dart

@@ -13,6 +13,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../../../models/exchange/aggregate_currency.dart';
 import '../../../providers/providers.dart';
+import '../../../services/exchange/chainflip/chainflip_exchange.dart';
 import '../../../services/exchange/change_now/change_now_exchange.dart';
 import '../../../services/exchange/cyphergoat/cyphergoat_exchange.dart';
 import '../../../services/exchange/exchange.dart';
@@ -115,6 +116,11 @@ class _ExchangeProviderOptionsState
       sendCurrency: sendCurrency,
       receiveCurrency: receivingCurrency,
     );
+    final showChainflip = exchangeSupported(
+      exchangeName: ChainflipExchange.exchangeName,
+      sendCurrency: sendCurrency,
+      receiveCurrency: receivingCurrency,
+    );
 
     return RoundedWhiteContainer(
       padding: isDesktop ? const EdgeInsets.all(0) : const EdgeInsets.all(12),
@@ -130,6 +136,7 @@ class _ExchangeProviderOptionsState
           if (showNanswap) NanswapExchange.instance,
           if (showWizardSwap) WizardSwapExchange.instance,
           if (showCypherGoat) CypherGoatExchange.instance,
+          if (showChainflip) ChainflipExchange.instance,
         ],
         fixedRate: widget.fixedRate,
         reversed: widget.reversed,