From 24b9260fa0595b48ade8db00c14ad70ebeb08396 Mon Sep 17 00:00:00 2001
From: danielzhao122 <danielzhao122@bitgo.com>
Date: Tue, 7 Oct 2025 15:47:08 -0400
Subject: [PATCH] refactor: add missing codec defintions

ticket: WP-6196
---
 modules/express/openapi-generator.rc.js       | 29 +++++++++++++++++++
 modules/express/package.json                  |  1 +
 .../api/common/calculateMinerFeeInfo.ts       |  1 +
 .../src/typedRoutes/api/common/decrypt.ts     |  1 +
 .../src/typedRoutes/api/common/encrypt.ts     |  1 +
 .../src/typedRoutes/api/common/login.ts       |  1 +
 .../src/typedRoutes/api/common/ping.ts        |  1 +
 .../src/typedRoutes/api/common/pingExpress.ts |  1 +
 .../typedRoutes/api/common/verifyAddress.ts   |  1 +
 .../src/typedRoutes/api/v1/acceptShare.ts     |  2 +-
 .../typedRoutes/api/v1/consolidateUnspents.ts |  2 +-
 .../api/v1/constructPendingApprovalTx.ts      |  2 +-
 .../typedRoutes/api/v1/createLocalKeyChain.ts |  2 +-
 .../typedRoutes/api/v1/deriveLocalKeyChain.ts |  2 +-
 .../src/typedRoutes/api/v1/fanoutUnspents.ts  |  2 +-
 .../src/typedRoutes/api/v1/pendingApproval.ts |  2 +-
 .../src/typedRoutes/api/v1/signTransaction.ts |  2 +-
 .../src/typedRoutes/api/v1/simpleCreate.ts    |  2 +-
 .../src/typedRoutes/api/v2/createAddress.ts   |  2 +-
 .../typedRoutes/api/v2/expressWalletUpdate.ts |  1 +
 .../api/v2/keychainChangePassword.ts          |  1 +
 .../src/typedRoutes/api/v2/keychainLocal.ts   |  2 +-
 .../typedRoutes/api/v2/lightningInitWallet.ts |  2 +-
 .../src/typedRoutes/api/v2/lightningState.ts  |  2 +-
 .../src/typedRoutes/api/v2/ofcSignPayload.ts  |  7 +++--
 .../src/typedRoutes/api/v2/shareWallet.ts     |  1 +
 .../src/typedRoutes/api/v2/unlockWallet.ts    |  2 +-
 .../src/typedRoutes/api/v2/verifyAddress.ts   |  2 +-
 .../schemas/jsonFromStringifiedJson.ts        |  4 +++
 29 files changed, 63 insertions(+), 18 deletions(-)
 create mode 100644 modules/express/openapi-generator.rc.js
 create mode 100644 modules/express/src/typedRoutes/schemas/jsonFromStringifiedJson.ts

diff --git a/modules/express/openapi-generator.rc.js b/modules/express/openapi-generator.rc.js
new file mode 100644
index 0000000000..d8be232dac
--- /dev/null
+++ b/modules/express/openapi-generator.rc.js
@@ -0,0 +1,29 @@
+/**
+ * OpenAPI Generator Configuration
+ * Custom codec handlers for OpenAPI generation
+ */
+
+module.exports = (E) => {
+  return {
+    '.': {
+      JsonFromStringifiedJson: () => E.right({ type: 'string' }),
+      Optional: (args) => E.right({ ...args[0], nullable: true }),
+    },
+    'io-ts-types': {
+      Json: () => E.right({ type: 'object', properties: {}, required: [] }),
+      NonEmptyString: () => E.right({ type: 'string', minLength: 1 }),
+      DateFromISOString: () => E.right({ type: 'string', format: 'date-time' }),
+      BigIntFromString: () => E.right({ type: 'string' }),
+    },
+    'io-ts-bigint': {
+      BigIntFromString: () => E.right({ type: 'string' }),
+      NegativeBigIntFromString: () => E.right({ type: 'string' }),
+      PositiveBigIntFromString: () => E.right({ type: 'string' }),
+      NonZeroBigIntFromString: () => E.right({ type: 'string' }),
+      NonNegativeBigIntFromString: () => E.right({ type: 'string' }),
+    },
+    'io-ts-numbers': {
+      NumberFromString: () => E.right({ type: 'string' }),
+    },
+  };
+};
diff --git a/modules/express/package.json b/modules/express/package.json
index 3b978c5d78..1ca8f0a07f 100644
--- a/modules/express/package.json
+++ b/modules/express/package.json
@@ -4,6 +4,7 @@
   "private": true,
   "description": "Local signing server and proxy for the BitGo platform",
   "main": "./dist/src/index.js",
+  "source": "src/typedRoutes/api/index.ts",
   "types": "./dist/src/index.d.ts",
   "bin": {
     "bitgo-express": "./bin/bitgo-express"
diff --git a/modules/express/src/typedRoutes/api/common/calculateMinerFeeInfo.ts b/modules/express/src/typedRoutes/api/common/calculateMinerFeeInfo.ts
index bfac7395d9..39f73e7c3f 100644
--- a/modules/express/src/typedRoutes/api/common/calculateMinerFeeInfo.ts
+++ b/modules/express/src/typedRoutes/api/common/calculateMinerFeeInfo.ts
@@ -39,6 +39,7 @@ export const CalculateMinerFeeInfoResponse = t.type({
  * 4. The fee rate (in satoshis per kilobyte)
  *
  * @operationId express.calculateminerfeeinfo
+ * @tag express
  */
 export const PostCalculateMinerFeeInfo = httpRoute({
   path: '/api/v[12]/calculateminerfeeinfo',
diff --git a/modules/express/src/typedRoutes/api/common/decrypt.ts b/modules/express/src/typedRoutes/api/common/decrypt.ts
index 62a8a0ab1e..d7ad264169 100644
--- a/modules/express/src/typedRoutes/api/common/decrypt.ts
+++ b/modules/express/src/typedRoutes/api/common/decrypt.ts
@@ -11,6 +11,7 @@ export const DecryptRequestBody = {
  * Decrypt
  *
  * @operationId express.decrypt
+ * @tag express
  */
 export const PostDecrypt = httpRoute({
   path: '/api/v[12]/decrypt',
diff --git a/modules/express/src/typedRoutes/api/common/encrypt.ts b/modules/express/src/typedRoutes/api/common/encrypt.ts
index 7cb2c5e964..0a8d46daea 100644
--- a/modules/express/src/typedRoutes/api/common/encrypt.ts
+++ b/modules/express/src/typedRoutes/api/common/encrypt.ts
@@ -12,6 +12,7 @@ export const EncryptRequestBody = {
  * Encrypt
  *
  * @operationId express.encrypt
+ * @tag express
  */
 export const PostEncrypt = httpRoute({
   path: '/api/v[12]/encrypt',
diff --git a/modules/express/src/typedRoutes/api/common/login.ts b/modules/express/src/typedRoutes/api/common/login.ts
index 063a764f62..dcffab2523 100644
--- a/modules/express/src/typedRoutes/api/common/login.ts
+++ b/modules/express/src/typedRoutes/api/common/login.ts
@@ -42,6 +42,7 @@ export const LoginRequest = {
  * Login
  *
  * @operationId express.login
+ * @tag express
  */
 export const PostLogin = httpRoute({
   path: '/api/v[12]/user/login',
diff --git a/modules/express/src/typedRoutes/api/common/ping.ts b/modules/express/src/typedRoutes/api/common/ping.ts
index 9f86a8d6fc..426adefdae 100644
--- a/modules/express/src/typedRoutes/api/common/ping.ts
+++ b/modules/express/src/typedRoutes/api/common/ping.ts
@@ -6,6 +6,7 @@ import { BitgoExpressError } from '../../schemas/error';
  * Ping
  *
  * @operationId express.ping
+ * @tag express
  */
 export const GetPing = httpRoute({
   path: '/api/v[12]/ping',
diff --git a/modules/express/src/typedRoutes/api/common/pingExpress.ts b/modules/express/src/typedRoutes/api/common/pingExpress.ts
index be694f5210..3b3e80ccf3 100644
--- a/modules/express/src/typedRoutes/api/common/pingExpress.ts
+++ b/modules/express/src/typedRoutes/api/common/pingExpress.ts
@@ -6,6 +6,7 @@ import { BitgoExpressError } from '../../schemas/error';
  * Ping Express
  *
  * @operationId express.pingExpress
+ * @tag express
  */
 export const GetPingExpress = httpRoute({
   path: '/api/v[12]/pingexpress',
diff --git a/modules/express/src/typedRoutes/api/common/verifyAddress.ts b/modules/express/src/typedRoutes/api/common/verifyAddress.ts
index 960ac22397..ecbf780562 100644
--- a/modules/express/src/typedRoutes/api/common/verifyAddress.ts
+++ b/modules/express/src/typedRoutes/api/common/verifyAddress.ts
@@ -10,6 +10,7 @@ export const VerifyAddressBody = {
  * Verify Address
  *
  * @operationId express.verifyaddress
+ * @tag express
  */
 export const PostVerifyAddress = httpRoute({
   path: '/api/v[12]/verifyaddress',
diff --git a/modules/express/src/typedRoutes/api/v1/acceptShare.ts b/modules/express/src/typedRoutes/api/v1/acceptShare.ts
index 1fc74f9147..27759027f9 100644
--- a/modules/express/src/typedRoutes/api/v1/acceptShare.ts
+++ b/modules/express/src/typedRoutes/api/v1/acceptShare.ts
@@ -22,8 +22,8 @@ export const AcceptShareRequestBody = {
  * When a wallet is shared with a user, they need to accept the share to gain access
  * to the wallet according to the permissions granted by the sharing user.
  *
- * @tag express
  * @operationId express.v1.wallet.acceptShare
+ * @tag express
  */
 export const PostAcceptShare = httpRoute({
   path: '/api/v1/walletshare/{shareId}/acceptShare',
diff --git a/modules/express/src/typedRoutes/api/v1/consolidateUnspents.ts b/modules/express/src/typedRoutes/api/v1/consolidateUnspents.ts
index 96525c58ca..5bfa3be7a0 100644
--- a/modules/express/src/typedRoutes/api/v1/consolidateUnspents.ts
+++ b/modules/express/src/typedRoutes/api/v1/consolidateUnspents.ts
@@ -71,8 +71,8 @@ export const ConsolidateUnspentsResponse = t.array(
  * multiple inputs to a single output. This is useful for reducing the number of UTXOs in a wallet,
  * which can improve performance and reduce transaction fees.
  *
- * @tag express
  * @operationId express.v1.wallet.consolidateunspents
+ * @tag express
  */
 export const PutConsolidateUnspents = httpRoute({
   path: '/api/v1/wallet/{id}/consolidateunspents',
diff --git a/modules/express/src/typedRoutes/api/v1/constructPendingApprovalTx.ts b/modules/express/src/typedRoutes/api/v1/constructPendingApprovalTx.ts
index bbdbfb8af3..a0a8352124 100644
--- a/modules/express/src/typedRoutes/api/v1/constructPendingApprovalTx.ts
+++ b/modules/express/src/typedRoutes/api/v1/constructPendingApprovalTx.ts
@@ -59,8 +59,8 @@ export const ConstructPendingApprovalTxResponse = t.type({
  * For transaction request type approvals, either a wallet passphrase or xprv must be provided to sign the transaction.
  * You can optionally specify fee-related parameters to customize the transaction fee.
  *
- * @tag express
  * @operationId express.v1.pendingapproval.constructTx
+ * @tag express
  */
 export const PutConstructPendingApprovalTx = httpRoute({
   path: '/api/v1/pendingapprovals/{id}/constructTx',
diff --git a/modules/express/src/typedRoutes/api/v1/createLocalKeyChain.ts b/modules/express/src/typedRoutes/api/v1/createLocalKeyChain.ts
index ef4a9475dd..8113bf1e99 100644
--- a/modules/express/src/typedRoutes/api/v1/createLocalKeyChain.ts
+++ b/modules/express/src/typedRoutes/api/v1/createLocalKeyChain.ts
@@ -33,8 +33,8 @@ export const CreateLocalKeyChainResponse = t.type({
  * For security reasons, it is highly recommended that you encrypt and destroy
  * the original xprv immediately to prevent theft.
  *
- * @tag express
  * @operationId express.v1.keychain.local
+ * @tag express
  */
 export const PostCreateLocalKeyChain = httpRoute({
   path: '/api/v1/keychain/local',
diff --git a/modules/express/src/typedRoutes/api/v1/deriveLocalKeyChain.ts b/modules/express/src/typedRoutes/api/v1/deriveLocalKeyChain.ts
index eaa4112c73..288c523d50 100644
--- a/modules/express/src/typedRoutes/api/v1/deriveLocalKeyChain.ts
+++ b/modules/express/src/typedRoutes/api/v1/deriveLocalKeyChain.ts
@@ -44,8 +44,8 @@ export const DeriveLocalKeyChainResponse = t.type({
  * both the derived xprv and xpub are returned. If xpub is provided, only the
  * derived xpub is returned.
  *
- * @tag express
  * @operationId express.v1.keychain.derive
+ * @tag express
  */
 export const PostDeriveLocalKeyChain = httpRoute({
   path: '/api/v1/keychain/derive',
diff --git a/modules/express/src/typedRoutes/api/v1/fanoutUnspents.ts b/modules/express/src/typedRoutes/api/v1/fanoutUnspents.ts
index 0c57342280..904c401e3e 100644
--- a/modules/express/src/typedRoutes/api/v1/fanoutUnspents.ts
+++ b/modules/express/src/typedRoutes/api/v1/fanoutUnspents.ts
@@ -59,8 +59,8 @@ export const FanoutUnspentsResponse = t.type({
  * multiple inputs to multiple outputs. This is useful for increasing the number of UTXOs
  * in a wallet, which can improve transaction parallelization.
  *
- * @tag express
  * @operationId express.v1.wallet.fanoutunspents
+ * @tag express
  */
 export const PutFanoutUnspents = httpRoute({
   path: '/api/v1/wallet/{id}/fanoutunspents',
diff --git a/modules/express/src/typedRoutes/api/v1/pendingApproval.ts b/modules/express/src/typedRoutes/api/v1/pendingApproval.ts
index 7490377f86..381a957bb3 100644
--- a/modules/express/src/typedRoutes/api/v1/pendingApproval.ts
+++ b/modules/express/src/typedRoutes/api/v1/pendingApproval.ts
@@ -28,8 +28,8 @@ export const pendingApprovalRequestBody = {
  * Handles various approval scenarios including transaction approvals, policy rule changes,
  * and user change requests.
  *
- * @tag express
  * @operationId express.v1.pendingapprovals
+ * @tag express
  */
 
 export const PutPendingApproval = httpRoute({
diff --git a/modules/express/src/typedRoutes/api/v1/signTransaction.ts b/modules/express/src/typedRoutes/api/v1/signTransaction.ts
index 2145fb8f71..d8c147f5db 100644
--- a/modules/express/src/typedRoutes/api/v1/signTransaction.ts
+++ b/modules/express/src/typedRoutes/api/v1/signTransaction.ts
@@ -31,8 +31,8 @@ export const signTransactionRequestBody = {
  * signTransaction
  * Sign a previously created transaction with a keychain
  *
- * @tag express
  * @operationId express.v1.wallet.signTransaction
+ * @tag express
  */
 export const PostSignTransaction = httpRoute({
   path: '/api/v1/wallet/{id}/signtransaction',
diff --git a/modules/express/src/typedRoutes/api/v1/simpleCreate.ts b/modules/express/src/typedRoutes/api/v1/simpleCreate.ts
index a1928f68ba..2186b65e59 100644
--- a/modules/express/src/typedRoutes/api/v1/simpleCreate.ts
+++ b/modules/express/src/typedRoutes/api/v1/simpleCreate.ts
@@ -31,8 +31,8 @@ export const SimpleCreateRequestBody = {
  * 4. Creates the BitGo key on the service
  * 5. Creates the wallet on BitGo with the 3 public keys above
  *
- * @tag express
  * @operationId express.v1.wallet.simplecreate
+ * @tag express
  */
 export const PostSimpleCreate = httpRoute({
   path: '/api/v1/wallets/simplecreate',
diff --git a/modules/express/src/typedRoutes/api/v2/createAddress.ts b/modules/express/src/typedRoutes/api/v2/createAddress.ts
index 9897c10abd..ec2ed2f6de 100644
--- a/modules/express/src/typedRoutes/api/v2/createAddress.ts
+++ b/modules/express/src/typedRoutes/api/v2/createAddress.ts
@@ -62,8 +62,8 @@ export const CreateAddressResponse = {
 /**
  * Create address for a wallet
  *
- * @tag express
  * @operationId express.v2.wallet.createAddress
+ * @tag express
  */
 export const PostCreateAddress = httpRoute({
   path: '/api/v2/{coin}/wallet/{id}/address',
diff --git a/modules/express/src/typedRoutes/api/v2/expressWalletUpdate.ts b/modules/express/src/typedRoutes/api/v2/expressWalletUpdate.ts
index c3119eeac5..dcd56c5743 100644
--- a/modules/express/src/typedRoutes/api/v2/expressWalletUpdate.ts
+++ b/modules/express/src/typedRoutes/api/v2/expressWalletUpdate.ts
@@ -47,6 +47,7 @@ export const ExpressWalletUpdateResponse = {
  * For other coins, use the standard wallet update endpoint.
  *
  * @operationId express.wallet.update
+ * @tag express
  */
 export const PutExpressWalletUpdate = httpRoute({
   path: '/express/api/v2/{coin}/wallet/{id}',
diff --git a/modules/express/src/typedRoutes/api/v2/keychainChangePassword.ts b/modules/express/src/typedRoutes/api/v2/keychainChangePassword.ts
index 7e55887a83..6aff9f5555 100644
--- a/modules/express/src/typedRoutes/api/v2/keychainChangePassword.ts
+++ b/modules/express/src/typedRoutes/api/v2/keychainChangePassword.ts
@@ -39,6 +39,7 @@ export const KeychainChangePasswordResponse = {
  * Change a keychain's passphrase, re-encrypting the key to a new password.
  *
  * @operationId express.v2.keychain.changePassword
+ * @tag express
  */
 export const PostKeychainChangePassword = httpRoute({
   path: '/api/v2/{coin}/keychain/{id}/changepassword',
diff --git a/modules/express/src/typedRoutes/api/v2/keychainLocal.ts b/modules/express/src/typedRoutes/api/v2/keychainLocal.ts
index 2a04acb235..19860b4a34 100644
--- a/modules/express/src/typedRoutes/api/v2/keychainLocal.ts
+++ b/modules/express/src/typedRoutes/api/v2/keychainLocal.ts
@@ -33,8 +33,8 @@ export const KeychainLocalResponse = {
  *
  * For security reasons, it is highly recommended that you encrypt and destroy the original xprv immediately to prevent theft.
  *
- * @tag express
  * @operationId express.keychain.local
+ * @tag express
  */
 export const PostKeychainLocal = httpRoute({
   path: '/api/v2/{coin}/keychain/local',
diff --git a/modules/express/src/typedRoutes/api/v2/lightningInitWallet.ts b/modules/express/src/typedRoutes/api/v2/lightningInitWallet.ts
index da67f9a20c..e5dc149be1 100644
--- a/modules/express/src/typedRoutes/api/v2/lightningInitWallet.ts
+++ b/modules/express/src/typedRoutes/api/v2/lightningInitWallet.ts
@@ -36,8 +36,8 @@ export const LightningInitWalletResponse = {
  * Lightning - This is only used for self-custody lightning. Initialize a newly created Lightning Network Daemon (LND) for the first time.
  * Returns the updated wallet with the encrypted admin macaroon in the `coinSpecific` response field.
  *
- * @tag express
  * @operationId express.lightning.initWallet
+ * @tag express
  */
 export const PostLightningInitWallet = httpRoute({
   path: '/api/v2/{coin}/wallet/{walletId}/initwallet',
diff --git a/modules/express/src/typedRoutes/api/v2/lightningState.ts b/modules/express/src/typedRoutes/api/v2/lightningState.ts
index fea0e823cc..bea550427a 100644
--- a/modules/express/src/typedRoutes/api/v2/lightningState.ts
+++ b/modules/express/src/typedRoutes/api/v2/lightningState.ts
@@ -32,8 +32,8 @@ export const LightningStateResponse = {
  *
  * This is only used for self-custody lightning. Get the current state of the lightning node.
  *
- * @tag express
  * @operationId express.lightning.getState
+ * @tag express
  */
 export const GetLightningState = httpRoute({
   method: 'GET',
diff --git a/modules/express/src/typedRoutes/api/v2/ofcSignPayload.ts b/modules/express/src/typedRoutes/api/v2/ofcSignPayload.ts
index b848b23f00..4aa0671c6d 100644
--- a/modules/express/src/typedRoutes/api/v2/ofcSignPayload.ts
+++ b/modules/express/src/typedRoutes/api/v2/ofcSignPayload.ts
@@ -1,7 +1,8 @@
 import * as t from 'io-ts';
-import { Json, NonEmptyString, JsonFromString } from 'io-ts-types';
+import { Json, NonEmptyString } from 'io-ts-types';
 import { httpRoute, httpRequest, optional } from '@api-ts/io-ts-http';
 import { BitgoExpressError } from '../../schemas/error';
+import { JsonFromStringifiedJson } from '../../schemas/jsonFromStringifiedJson';
 
 /**
  * Sign an arbitrary payload using an OFC trading account key.
@@ -10,7 +11,7 @@ export const OfcSignPayloadBody = {
   /** The ID of the OFC wallet to sign the payload with. */
   walletId: NonEmptyString,
   /** The payload to sign. The input can either be a stringified JSON, or a JSON object. */
-  payload: t.union([Json, t.string.pipe(JsonFromString)]),
+  payload: t.union([Json, JsonFromStringifiedJson]),
   /** The passphrase to decrypt the user key. */
   walletPassphrase: optional(t.string),
 } as const;
@@ -35,8 +36,8 @@ export const OfcSignPayloadResponse = {
 /** Sign payload with an OFC wallet key.
  * Signs an arbitrary payload with an OFC wallet key.
  *
- * @tag express
  * @operationId express.ofc.signPayload
+ * @tag express
  */
 export const PostOfcSignPayload = httpRoute({
   path: '/api/v2/ofc/signPayload',
diff --git a/modules/express/src/typedRoutes/api/v2/shareWallet.ts b/modules/express/src/typedRoutes/api/v2/shareWallet.ts
index e4bd1b2bba..9211330bf7 100644
--- a/modules/express/src/typedRoutes/api/v2/shareWallet.ts
+++ b/modules/express/src/typedRoutes/api/v2/shareWallet.ts
@@ -76,6 +76,7 @@ export const ShareWalletResponse = {
  * Share this wallet with another BitGo user.
  *
  * @operationId express.v2.wallet.share
+ * @tag express
  */
 export const PostShareWallet = httpRoute({
   path: '/api/v2/{coin}/wallet/{id}/share',
diff --git a/modules/express/src/typedRoutes/api/v2/unlockWallet.ts b/modules/express/src/typedRoutes/api/v2/unlockWallet.ts
index 2f655c20a3..4dd05fd2c4 100644
--- a/modules/express/src/typedRoutes/api/v2/unlockWallet.ts
+++ b/modules/express/src/typedRoutes/api/v2/unlockWallet.ts
@@ -42,8 +42,8 @@ export const UnlockLightningWalletResponse = {
  *
  * This is only used for self-custody lightning. Unlock the Lightning Network Daemon (LND) node with the given wallet password.
  *
- * @tag express
  * @operationId express.lightning.unlockWallet
+ * @tag express
  */
 export const PostUnlockLightningWallet = httpRoute({
   method: 'POST',
diff --git a/modules/express/src/typedRoutes/api/v2/verifyAddress.ts b/modules/express/src/typedRoutes/api/v2/verifyAddress.ts
index f8a8206af2..9400ddeb29 100644
--- a/modules/express/src/typedRoutes/api/v2/verifyAddress.ts
+++ b/modules/express/src/typedRoutes/api/v2/verifyAddress.ts
@@ -30,8 +30,8 @@ export const VerifyAddressV2Body = {
  * Returns whether the address is valid for the specified coin.
  * For UTXO coins, an optional legacy script hash flag can be provided to allow previous script hash versions.
  *
- * @tag express
  * @operationId express.verifycoinaddress
+ * @tag express
  */
 export const PostVerifyCoinAddress = httpRoute({
   path: '/api/v2/{coin}/verifyaddress',
diff --git a/modules/express/src/typedRoutes/schemas/jsonFromStringifiedJson.ts b/modules/express/src/typedRoutes/schemas/jsonFromStringifiedJson.ts
new file mode 100644
index 0000000000..c050d476e9
--- /dev/null
+++ b/modules/express/src/typedRoutes/schemas/jsonFromStringifiedJson.ts
@@ -0,0 +1,4 @@
+import * as t from 'io-ts';
+import { JsonFromString } from 'io-ts-types';
+
+export const JsonFromStringifiedJson = t.string.pipe(JsonFromString);