refactor: split api.ts

src/api/index.ts

@@ -3,3 +3,4 @@ export * from './export';
 export * from './keyring';
 export * from './request';
 export * from './response';
+export * from './transaction';

src/api/keyring.ts

@@ -4,6 +4,7 @@ import type { KeyringAccount } from './account';
 import type { KeyringAccountData } from './export';
 import type { KeyringRequest } from './request';
 import type { KeyringResponse } from './response';
+import type { Transaction } from './transaction';
 
 /**
  * Keyring interface.
@@ -44,6 +45,13 @@ export type Keyring = {
    */
   createAccount(options?: Record<string, Json>): Promise<KeyringAccount>;
 
+  /**
+   * List the transactions of an account.
+   *
+   * @param id - The ID of the account to list the transactions for.
+   */
+  listAccountTransactions?(id: string): Promise<Transaction[]>;
+
   /**
    * Filter supported chains for a given account.
    *

src/api/transaction.ts

@@ -0,0 +1,197 @@
+import type { Infer } from 'superstruct';
+import { array, enums, number, string } from 'superstruct';
+
+import { object } from '../superstruct';
+import { UuidStruct } from '../utils';
+
+/**
+ * This struct represents an asset.
+ *
+ * @example
+ * ```ts
+ * asset: {
+ *   id: 'eip155:1/slip44:60',
+ *   unit: 'ETH',
+ * },
+ * ```
+ */
+const AssetStruct = object({
+  /**
+   * Asset ID (CAIP-19).
+   */
+  id: string(),
+
+  /**
+   * Unit of the asset. This has to be one of the supported units for the
+   * asset, as defined by MetaMask.
+   */
+  unit: string(),
+});
+
+/**
+ * This struct represents an amount of an asset.
+ *
+ * @example
+ * ```ts
+ * fee: {
+ *   amount: '0.01',
+ *   asset: {
+ *     id: 'eip155:1/slip44:60',
+ *     unit: 'ETH',
+ *   },
+ * },
+ * ```
+ */
+const AmountStruct = object({
+  /**
+   * Amount in decimal string format.
+   */
+  amount: string(),
+
+  /**
+   * Asset information.
+   */
+  asset: AssetStruct,
+});
+
+/**
+ * This struct represents a participant in a transaction.
+ *
+ * @example
+ * ```ts
+ * from: [
+ *   {
+ *     address: '0x1234...',
+ *     amount: '0.01',
+ *     asset: {
+ *       id: 'eip155:1/slip44:60',
+ *       unit: 'ETH',
+ *     },
+ *   },
+ * ],
+ * ```
+ */
+const ParticipantStruct = object({
+  /**
+   * Amount transferred from or to the participant.
+   */
+  ...AmountStruct.schema,
+
+  /**
+   * Participant address.
+   */
+  address: string(),
+});
+
+/**
+ * This struct represents a blockchain transaction.
+ *
+ * @example
+ * ```ts
+ * {
+ *   "id": "f5d8ee39a430901c91a5917b9f2dc19d6d1a0e9cea205b009ca73dd04470b9a6",
+ *   "chain": "bip122:000000000019d6689c085ae165831e93",
+ *   "account": "b9beb861-9761-4b97-89ce-d992be5f34da",
+ *   "status": "confirmed",
+ *   "timestamp": 1716367781,
+ *   "type": "send",
+ *   "from": [
+ *     {
+ *       "address": "bc1qrp0yzgkf8rawkuvdlhnjfj2fnjwm0m8727kgah",
+ *       "amount": "0.2001",
+ *       "asset": {
+ *         "id": "bip122:000000000019d6689c085ae165831e93/slip44:0",
+ *         "unit": "BTC"
+ *       }
+ *     }
+ *   ],
+ *   "to": [
+ *     {
+ *       "address": "bc1qrp0yzgkf8rawkuvdlhnjfj2fnjwm0m8727kgah",
+ *       "amount": "0.1",
+ *       "asset": {
+ *         "id": "bip122:000000000019d6689c085ae165831e93/slip44:0",
+ *         "unit": "BTC"
+ *       }
+ *     },
+ *     {
+ *       "address": "bc1qrp0yzgkf8rawkuvdlhnjfj2fnjwm0m8727kgah",
+ *       "amount": "0.1",
+ *       "asset": {
+ *         "id": "bip122:000000000019d6689c085ae165831e93/slip44:0",
+ *         "unit": "BTC"
+ *       }
+ *     }
+ *   ],
+ *   "fee": {
+ *     "amount": "0.0001",
+ *     "asset": {
+ *       "id": "bip122:000000000019d6689c085ae165831e93/slip44:0",
+ *       "unit": "BTC"
+ *     }
+ *   }
+ * }
+ * ```
+ */
+export const TransactionStruct = object({
+  /**
+   * Chain-specific transaction ID.
+   */
+  id: string(),
+
+  /**
+   * Chain ID (CAIP-2).
+   */
+  chain: string(),
+
+  /**
+   * Account ID (UUIDv4).
+   */
+  account: UuidStruct,
+
+  /**
+   * Transaction status.
+   */
+  status: enums(['pending', 'confirmed', 'failed']),
+
+  /**
+   * Timestamp of when the transaction was added to the blockchain.
+   */
+  timestamp: number(),
+
+  /**
+   * Transaction type. This will be used by MetaMask to enrich the transaction
+   * details on the UI.
+   */
+  type: enums([
+    'send',
+    'receive',
+    'call',
+    'swap',
+    'bridge',
+    'stake',
+    'unstake',
+  ]),
+
+  /**
+   * Transaction sender addresses and amounts.
+   */
+  from: array(ParticipantStruct),
+
+  /**
+   * Transaction receiver addresses and amounts.
+   */
+  to: array(ParticipantStruct),
+
+  /**
+   * Transaction fee.
+   */
+  fee: AmountStruct,
+});
+
+/**
+ * Transaction object.
+ *
+ * See {@link TransactionStruct}.
+ */
+export type Transaction = Infer<typeof TransactionStruct>;