feat(keyring-api)!: add scopes field to KeyringAccount

README.md

@@ -54,6 +54,7 @@ linkStyle default opacity:0.5
   eth_snap_keyring --> keyring_api;
   eth_snap_keyring --> keyring_internal_api;
   eth_snap_keyring --> keyring_internal_snap_client;
+  eth_snap_keyring --> keyring_utils;
   keyring_snap_client --> keyring_api;
   keyring_snap_client --> keyring_utils;
   keyring_snap_sdk --> keyring_utils;

packages/keyring-api/src/api/account.test.ts

@@ -1,6 +1,6 @@
 import { assert } from '@metamask/superstruct';
 
-import { KeyringAccountStruct } from './account';
+import { EthAccountType, KeyringAccountStruct } from './account';
 
 const supportedKeyringAccountTypes = Object.keys(
   KeyringAccountStruct.schema.type.schema,
@@ -12,6 +12,7 @@ describe('api', () => {
   const baseAccount = {
     id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
     address: '0x000',
+    scopes: [],
     options: {},
     methods: [],
   };
@@ -33,5 +34,26 @@ describe('api', () => {
         );
       },
     );
+
+    it.each([
+      // Namespace too short (< 3):
+      '',
+      'a',
+      'ei',
+      'bi',
+      'bi:p122something',
+      // Namespace too long (> 8):
+      'eip11155111',
+      'eip11155111:11155111',
+    ])('throws an error if account scopes is: %s', (scope: string) => {
+      const account = {
+        ...baseAccount,
+        type: EthAccountType.Eoa,
+        scopes: [scope],
+      };
+      expect(() => assert(account, KeyringAccountStruct)).toThrow(
+        `At path: scopes.0 -- Expected the value to satisfy a union of \`string | string\`, but received: "${scope}"`,
+      );
+    });
   });
 });

packages/keyring-api/src/api/account.ts

@@ -1,7 +1,18 @@
 import { object, UuidStruct } from '@metamask/keyring-utils';
 import type { Infer } from '@metamask/superstruct';
-import { array, enums, record, string } from '@metamask/superstruct';
-import { JsonStruct } from '@metamask/utils';
+import {
+  nonempty,
+  array,
+  enums,
+  record,
+  string,
+  union,
+} from '@metamask/superstruct';
+import {
+  CaipChainIdStruct,
+  CaipNamespaceStruct,
+  JsonStruct,
+} from '@metamask/utils';
 
 /**
  * Supported Ethereum account types.
@@ -62,6 +73,11 @@ export const KeyringAccountStruct = object({
    */
   address: string(),
 
+  /**
+   * Account supported scopes (CAIP-2 chain IDs).
+   */
+  scopes: nonempty(array(union([CaipNamespaceStruct, CaipChainIdStruct]))),
+
   /**
    * Account options.
    */

packages/keyring-api/src/btc/constants.ts

@@ -0,0 +1,10 @@
+/* istanbul ignore file */
+
+/**
+ * Scopes for Bitcoin account type. See {@link KeyringAccount.scopes}.
+ */
+export enum BtcScopes {
+  Namespace = 'bip122',
+  Mainnet = 'bip122:000000000019d6689c085ae165831e93',
+  Testnet = 'bip122:000000000933ea01ad0ee984209779ba',
+}

packages/keyring-api/src/btc/index.ts

@@ -1 +1,2 @@
+export * from './constants';
 export * from './types';

packages/keyring-api/src/eth/constants.ts

@@ -0,0 +1,9 @@
+/* istanbul ignore file */
+
+/**
+ * Scopes for EVM account type. See {@link KeyringAccount.scopes}.
+ */
+export enum EthScopes {
+  Namespace = 'eip155',
+  Mainnet = 'eip155:1',
+}

packages/keyring-api/src/eth/index.ts

@@ -1,3 +1,4 @@
+export * from './constants';
 export * from './erc4337';
 export * from './types';
 export * from './utils';

packages/keyring-api/src/eth/types.ts

@@ -1,7 +1,8 @@
 import { object, definePattern } from '@metamask/keyring-utils';
 import type { Infer } from '@metamask/superstruct';
-import { array, enums, literal } from '@metamask/superstruct';
+import { nonempty, array, enums, literal } from '@metamask/superstruct';
 
+import { EthScopes } from '.';
 import { EthAccountType, KeyringAccountStruct } from '../api';
 
 export const EthBytesStruct = definePattern('EthBytes', /^0x[0-9a-f]*$/iu);
@@ -46,6 +47,11 @@ export const EthEoaAccountStruct = object({
    */
   type: literal(`${EthAccountType.Eoa}`),
 
+  /**
+   * Account scopes (must be ['eip155']).
+   */
+  scopes: nonempty(array(literal(EthScopes.Namespace))),
+
   /**
    * Account supported methods.
    */

packages/keyring-api/src/events.test.ts

@@ -1,6 +1,7 @@
 import { is } from '@metamask/superstruct';
 
 import { EthAccountType } from './api';
+import { EthScopes } from './eth/constants';
 import {
   AccountCreatedEventStruct,
   AccountDeletedEventStruct,
@@ -21,6 +22,7 @@ describe('events', () => {
             address: '0x0123',
             methods: [],
             options: {},
+            scopes: [EthScopes.Namespace],
             type: EthAccountType.Eoa,
           },
         },
@@ -38,6 +40,7 @@ describe('events', () => {
             address: '0x0123',
             methods: [],
             options: {},
+            scopes: [EthScopes.Namespace],
             type: EthAccountType.Eoa,
           },
         },
@@ -55,6 +58,7 @@ describe('events', () => {
             address: '0x0123',
             methods: [],
             options: {},
+            scopes: [EthScopes.Namespace],
             type: EthAccountType.Eoa,
           },
           displayConfirmation: true,
@@ -75,6 +79,7 @@ describe('events', () => {
             address: '0x0123',
             methods: [],
             options: {},
+            scopes: [EthScopes.Namespace],
             type: EthAccountType.Eoa,
           },
         },
@@ -92,6 +97,7 @@ describe('events', () => {
             address: '0x0123',
             methods: [],
             options: {},
+            scopes: [EthScopes.Namespace],
             type: EthAccountType.Eoa,
           },
         },

packages/keyring-api/src/sol/constants.ts

@@ -0,0 +1,11 @@
+/* istanbul ignore file */
+
+/**
+ * Scopes for Solana account type. See {@link KeyringAccount.scopes}.
+ */
+export enum SolScopes {
+  Namespace = 'solana',
+  Devnet = 'solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1',
+  Mainnet = 'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp',
+  Testnet = 'solana:4uhcVJyU9pJkvQyS88uRDiswHXSCkY3z',
+}

packages/keyring-api/src/sol/index.ts

@@ -1 +1,2 @@
+export * from './constants';
 export * from './types';

packages/keyring-internal-api/src/types.test.ts

@@ -1,20 +1,23 @@
 import { assert } from '@metamask/superstruct';
 
+import type { InternalAccount } from '.';
 import { InternalAccountStruct } from '.';
 
 describe('InternalAccount', () => {
   it.each([
-    { type: 'eip155:eoa', address: '0x000' },
+    { type: 'eip155:eoa', address: '0x000', scopes: ['eip155'] },
     {
       type: 'bip122:p2wpkh',
       address: 'bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4',
+      scopes: ['bip122:000000000019d6689c085ae165831e93'],
     },
-  ])('should have the correct structure: %s', ({ type, address }) => {
+  ])('should have the correct structure: %s', ({ type, address, scopes }) => {
     const account = {
       id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
       address,
       options: {},
       methods: [],
+      scopes,
       type,
       metadata: {
         keyring: {
@@ -34,6 +37,7 @@ describe('InternalAccount', () => {
       address: '0x000',
       options: {},
       methods: [],
+      scopes: ['eip155'],
       type: 'eip155:eoa',
       metadata: {
         keyring: {},
@@ -53,6 +57,7 @@ describe('InternalAccount', () => {
       address: '0x000',
       options: {},
       methods: [],
+      scopes: ['eip155'],
       type: 'eip155:eoa',
       metadata: {
         name: 'Account 1',
@@ -71,6 +76,7 @@ describe('InternalAccount', () => {
       address: '0x000',
       options: {},
       methods: [],
+      scopes: ['eip155'],
       type: 'eip155:eoa',
     };
 
@@ -79,12 +85,27 @@ describe('InternalAccount', () => {
     );
   });
 
+  it('should throw if scopes is not set', () => {
+    const account = {
+      id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
+      address: '0x000',
+      options: {},
+      methods: [],
+      type: 'eip155:eoa',
+    };
+
+    expect(() => assert(account, InternalAccountStruct)).toThrow(
+      'At path: scopes -- Expected an array value, but received: undefined',
+    );
+  });
+
   it('should throw if there are extra fields', () => {
     const account = {
       id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
       address: '0x000',
       options: {},
       methods: [],
+      scopes: ['eip155'],
       type: 'eip155:eoa',
       metadata: {
         keyring: {
@@ -102,12 +123,13 @@ describe('InternalAccount', () => {
   });
 
   it('should contain snap name, id and enabled if the snap metadata exists', () => {
-    const account = {
+    const account: InternalAccount = {
       id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
       address: '0x000',
       options: {},
       methods: [],
       type: 'eip155:eoa',
+      scopes: ['eip155'],
       metadata: {
         keyring: {
           type: 'Test Keyring',
@@ -126,13 +148,14 @@ describe('InternalAccount', () => {
   });
 
   it.each([['name', 'enabled', 'id']])(
-    'should throw if snap.%i is not set',
+    'should throw if snap.%s is not set',
     (key: string) => {
-      const account = {
+      const account: InternalAccount = {
         id: '606a7759-b0fb-48e4-9874-bab62ff8e7eb',
         address: '0x000',
         options: {},
         methods: [],
+        scopes: ['eip155'],
         type: 'eip155:eoa',
         metadata: {
           keyring: {
@@ -148,7 +171,8 @@ describe('InternalAccount', () => {
         },
       };
 
-      delete account.metadata.snap[key as keyof typeof account.metadata.snap];
+      // On `InternalAccount` the `metadata.snap` is optional, hence the `?.` here.
+      delete account.metadata.snap?.[key as keyof typeof account.metadata.snap];
 
       const regex = new RegExp(`At path: metadata.snap.${key}`, 'u');
 

packages/keyring-internal-snap-client/src/KeyringSnapControllerClient.test.ts

@@ -13,6 +13,7 @@ describe('KeyringSnapControllerClient', () => {
       address: '0xE9A74AACd7df8112911ca93260fC5a046f8a64Ae',
       options: {},
       methods: [],
+      scopes: ['eip155'],
       type: 'eip155:eoa',
     },
   ];

packages/keyring-snap-bridge/package.json

@@ -42,6 +42,7 @@
     "@metamask/keyring-api": "workspace:^",
     "@metamask/keyring-internal-api": "workspace:^",
     "@metamask/keyring-internal-snap-client": "workspace:^",
+    "@metamask/keyring-utils": "workspace:^",
     "@metamask/snaps-controllers": "^9.10.0",
     "@metamask/snaps-sdk": "^6.7.0",
     "@metamask/snaps-utils": "^8.3.0",