feat(express): migrate createAddress to typed routes

modules/express/src/clientRoutes.ts

@@ -660,11 +660,11 @@ export async function handleV2GenerateWallet(req: express.Request) {
  * handle new address creation
  * @param req
  */
-export async function handleV2CreateAddress(req: express.Request) {
+export async function handleV2CreateAddress(req: ExpressApiRouteRequest<'express.v2.wallet.createAddress', 'post'>) {
   const bitgo = req.bitgo;
-  const coin = bitgo.coin(req.params.coin);
-  const wallet = await coin.wallets().get({ id: req.params.id });
-  return wallet.createAddress(req.body);
+  const coin = bitgo.coin(req.decoded.coin);
+  const wallet = await coin.wallets().get({ id: req.decoded.walletId });
+  return wallet.createAddress(req.decoded);
 }
 
 /**
@@ -1626,8 +1626,7 @@ export function setupAPIRoutes(app: express.Application, config: Config): void {
     promiseWrapper(handleKeychainChangePassword)
   );
 
-  // create address
-  app.post('/api/v2/:coin/wallet/:id/address', parseBody, prepareBitGo(config), promiseWrapper(handleV2CreateAddress));
+  router.post('express.v2.wallet.createAddress', [prepareBitGo(config), typedPromiseWrapper(handleV2CreateAddress)]);
 
   // share wallet
   app.post('/api/v2/:coin/wallet/:id/share', parseBody, prepareBitGo(config), promiseWrapper(handleV2ShareWallet));

modules/express/src/typedRoutes/api/index.ts

@@ -22,6 +22,7 @@ import { PostDeriveLocalKeyChain } from './v1/deriveLocalKeyChain';
 import { PostCreateLocalKeyChain } from './v1/createLocalKeyChain';
 import { PutConstructPendingApprovalTx } from './v1/constructPendingApprovalTx';
 import { PutConsolidateUnspents } from './v1/consolidateUnspents';
+import { PostCreateAddress } from './v2/createAddress';
 
 export const ExpressApi = apiSpec({
   'express.ping': {
@@ -69,6 +70,9 @@ export const ExpressApi = apiSpec({
   'express.verifycoinaddress': {
     post: PostVerifyCoinAddress,
   },
+  'express.v2.wallet.createAddress': {
+    post: PostCreateAddress,
+  },
   'express.calculateminerfeeinfo': {
     post: PostCalculateMinerFeeInfo,
   },

modules/express/src/typedRoutes/api/v2/createAddress.ts

@@ -0,0 +1,75 @@
+import * as t from 'io-ts';
+import { httpRoute, httpRequest, optional } from '@api-ts/io-ts-http';
+import { BitgoExpressError } from '../../schemas/error';
+import { EIP1559, ForwarderVersion, CreateAddressFormat } from '../../schemas/address';
+
+/**
+ * Path parameters for creating a wallet address
+ */
+export const CreateAddressParams = {
+  /** Coin ticker / chain identifier */
+  coin: t.string,
+  /** The ID of the wallet. */
+  walletId: t.string,
+} as const;
+
+/**
+ * Request body for creating a wallet address
+ */
+export const CreateAddressBody = {
+  /** Address type for chains that support multiple address types */
+  type: optional(t.string),
+  /** Chain on which the new address should be created. Default: 1 */
+  chain: optional(t.number),
+  /**
+   * (ETH only) Specify forwarder version to use in address creation.
+   * 0: legacy forwarder;
+   * 1: fee-improved forwarder;
+   * 2: NFT-supported forwarder (v2 wallets);
+   * 3: MPC wallets;
+   * 4: EVM variants;
+   * 5: new MPC wallets with wallet-version 6
+   */
+  forwarderVersion: optional(ForwarderVersion),
+  /** EVM keyring reference address (EVM only) */
+  evmKeyRingReferenceAddress: optional(t.string),
+  /** Create an address for the given token (OFC only) (eg. ofcbtc) */
+  onToken: optional(t.string),
+  /** A human-readable label for the address (Max length: 250) */
+  label: optional(t.string),
+  /** Whether the deployment should use a low priority fee key (ETH only) Default: false */
+  lowPriority: optional(t.boolean),
+  /** Explicit gas price to use when deploying the forwarder contract (ETH only) */
+  gasPrice: optional(t.union([t.number, t.string])),
+  /** EIP1559 fee parameters (ETH forwarderVersion: 0 wallets only) */
+  eip1559: optional(EIP1559),
+  /** Format to use for the new address (e.g., 'cashaddr' for BCH) */
+  format: optional(CreateAddressFormat),
+  /** Number of new addresses to create (maximum 250) */
+  count: optional(t.number),
+  /** Base address of the wallet (if applicable) */
+  baseAddress: optional(t.string),
+  /** When false, throw error if address verification is skipped */
+  allowSkipVerifyAddress: optional(t.boolean),
+} as const;
+
+/** Response for creating a wallet address */
+export const CreateAddressResponse = {
+  200: t.unknown,
+  400: BitgoExpressError,
+} as const;
+
+/**
+ * Create address for a wallet
+ *
+ * @operationId express.v2.wallet.createAddress
+ */
+export const PostCreateAddress = httpRoute({
+  path: '/api/v2/{coin}/wallet/{walletId}/address',
+  method: 'POST',
+  request: httpRequest({
+    params: CreateAddressParams,
+    body: CreateAddressBody,
+  }),
+  response: CreateAddressResponse,
+});

modules/express/src/typedRoutes/schemas/address.ts

@@ -0,0 +1,10 @@
+import * as t from 'io-ts';
+
+export const ForwarderVersion = t.union([t.literal(0), t.literal(1), t.literal(2), t.literal(3), t.literal(4)]);
+
+export const EIP1559 = t.type({
+  maxFeePerGas: t.number,
+  maxPriorityFeePerGas: t.number,
+});
+
+export const CreateAddressFormat = t.union([t.literal('base58'), t.literal('cashaddr')]);

modules/express/test/unit/clientRoutes/createAddress.ts

@@ -4,11 +4,12 @@ import 'should-http';
 import 'should-sinon';
 import '../../lib/asserts';
 
-import * as express from 'express';
-
 import { handleV2CreateAddress } from '../../../src/clientRoutes';
 
 import { BitGo } from 'bitgo';
+import { ExpressApiRouteRequest } from '../../../src/typedRoutes/api';
+import { CreateAddressResponse } from '../../../src/typedRoutes/api/v2/createAddress';
+import { decodeOrElse } from '@bitgo/sdk-core';
 
 describe('Create Address', () => {
   function createAddressMocks(res) {
@@ -30,14 +31,22 @@ describe('Create Address', () => {
       bitgo: bitgoStub,
       params: {
         coin: 'tbtc',
-        id: '23423423423423',
+        walletId: '23423423423423',
       },
       query: {},
       body: {
         chain: 0,
       },
-    } as unknown as express.Request;
+      decoded: {
+        coin: 'tbtc',
+        walletId: '23423423423423',
+        chain: 0,
+      },
+    } as unknown as ExpressApiRouteRequest<'express.v2.wallet.createAddress', 'post'>;
 
-    await handleV2CreateAddress(req).should.be.resolvedWith(res);
+    const result = await handleV2CreateAddress(req).should.be.resolvedWith(res);
+    decodeOrElse('express.v2.wallet.createAddress', CreateAddressResponse[200], result, (errors) => {
+      throw new Error(`Response did not match expected codec: ${errors}`);
+    });
   });
 });

modules/express/test/unit/typedRoutes/decode.ts

@@ -13,6 +13,7 @@ import {
   LightningInitWalletParams,
 } from '../../../src/typedRoutes/api/v2/lightningInitWallet';
 import { UnlockLightningWalletBody, UnlockLightningWalletParams } from '../../../src/typedRoutes/api/v2/unlockWallet';
+import { CreateAddressBody, CreateAddressParams } from '../../../src/typedRoutes/api/v2/createAddress';
 
 export function assertDecode<T>(codec: t.Type<T, unknown>, input: unknown): T {
   const result = codec.decode(input);
@@ -190,4 +191,23 @@ describe('io-ts decode tests', function () {
     // valid body
     assertDecode(t.type(UnlockLightningWalletBody), { passphrase: 'secret' });
   });
+
+  it('express.v2.wallet.createAddress params', function () {
+    // missing walletId
+    assert.throws(() => assertDecode(t.type(CreateAddressParams), { coin: 'btc' }));
+    // coin must be string
+    assert.throws(() =>
+      assertDecode(t.type(CreateAddressParams), { coin: 123, walletId: '59cd72485007a239fb00282ed480da1f' })
+    );
+    // walletId must be string
+    assert.throws(() => assertDecode(t.type(CreateAddressParams), { coin: 'btc', walletId: 123 }));
+    // valid params
+    assertDecode(t.type(CreateAddressParams), { coin: 'btc', walletId: '59cd72485007a239fb00282ed480da1f' });
+    // invalid body
+    assert.throws(() => assertDecode(t.type(CreateAddressBody), { chain: '1' }));
+    assert.throws(() => assertDecode(t.type(CreateAddressBody), { format: 'invalid' }));
+    // valid body
+    assertDecode(t.type(CreateAddressBody), { eip1559: { maxFeePerGas: 1, maxPriorityFeePerGas: 1 } });
+    assertDecode(t.type(CreateAddressBody), {});
+  });
 });