Fungibles runtime api for statemine/statemint/westmint (#5584)

* Fungibles runtime api for statemine/statemint/westmint

* Update packages/types/src/interfaces/fungibles/definitions.ts

* export `./fungibles/definitions.js`

---------

Co-authored-by: Jaco <jacogr@gmail.com>

packages/types/src/interfaces/definitions.ts

@@ -22,6 +22,7 @@ export { default as elections } from './elections/definitions.js';
 export { default as engine } from './engine/definitions.js';
 export { default as evm } from './evm/definitions.js';
 export { default as extrinsics } from './extrinsics/definitions.js';
+export { default as fungibles } from './fungibles/definitions.js';
 export { default as genericAsset } from './genericAsset/definitions.js';
 export { default as gilt } from './gilt/definitions.js';
 export { default as grandpa } from './grandpa/definitions.js';

packages/types/src/interfaces/fungibles/definitions.ts

@@ -0,0 +1,19 @@
+// Copyright 2017-2023 @polkadot/types authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// order important in structs... :)
+/* eslint-disable sort-keys */
+
+import type { Definitions } from '../../types/index.js';
+
+import { runtime } from './runtime.js';
+
+export default {
+  rpc: {},
+  runtime,
+  types: {
+    FungiblesAccessError: {
+      _enum: ['AssetIdConversionFailed', 'AmountToBalanceConversionFailed']
+    }
+  }
+} as Definitions;

packages/types/src/interfaces/fungibles/index.ts

@@ -0,0 +1,4 @@
+// Auto-generated via `yarn polkadot-types-from-defs`, do not edit
+/* eslint-disable */
+
+export * from './types.js';

packages/types/src/interfaces/fungibles/runtime.ts

@@ -0,0 +1,24 @@
+// Copyright 2017-2023 @polkadot/types authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { DefinitionsCall } from '../../types/index.js';
+
+export const runtime: DefinitionsCall = {
+  FungiblesApi: [
+    {
+      methods: {
+        query_account_balances: {
+          description: 'Returns the list of all `MultiAsset` that an `AccountId` has',
+          params: [
+            {
+              name: 'account',
+              type: 'AccountId'
+            }
+          ],
+          type: 'Result<Vec<MultiAsset>, FungiblesAccessError>'
+        }
+      },
+      version: 1
+    }
+  ]
+};

packages/types/src/interfaces/fungibles/types.ts

@@ -0,0 +1,4 @@
+// Auto-generated via `yarn polkadot-types-from-defs`, do not edit
+/* eslint-disable */
+
+