feat(evm): add grant management for EVM wallets

useragent/lib/providers/evm_grants.g.dart

@@ -0,0 +1,54 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'evm_grants.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(EvmGrants)
+final evmGrantsProvider = EvmGrantsProvider._();
+
+final class EvmGrantsProvider
+    extends $AsyncNotifierProvider<EvmGrants, EvmGrantsState?> {
+  EvmGrantsProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'evmGrantsProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$evmGrantsHash();
+
+  @$internal
+  @override
+  EvmGrants create() => EvmGrants();
+}
+
+String _$evmGrantsHash() => r'd71ec12bbc1b412f11fdbaae27382b289f8a3538';
+
+abstract class _$EvmGrants extends $AsyncNotifier<EvmGrantsState?> {
+  FutureOr<EvmGrantsState?> build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref = this.ref as $Ref<AsyncValue<EvmGrantsState?>, EvmGrantsState?>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<AsyncValue<EvmGrantsState?>, EvmGrantsState?>,
+              AsyncValue<EvmGrantsState?>,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, build);
+  }
+}