From 0a6b6d70a800a7f4842e54f58805671fa5740e4a Mon Sep 17 00:00:00 2001
From: nhenin <nicolas.henin@iohk.io>
Date: Wed, 13 Dec 2023 17:32:16 +0100
Subject: [PATCH] re-enabled legacy way for defining Closed Role tokens

---
 examples/nodejs/src/escrow-flow.ts            |  7 +------
 .../rest/src/contract/rolesConfigurations.ts  | 19 +++++++++++++++----
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/examples/nodejs/src/escrow-flow.ts b/examples/nodejs/src/escrow-flow.ts
index 21323c0f..5f2b7907 100644
--- a/examples/nodejs/src/escrow-flow.ts
+++ b/examples/nodejs/src/escrow-flow.ts
@@ -7,7 +7,6 @@ import { Lucid, Blockfrost } from "lucid-cardano";
 import { readConfig } from "./config.js";
 import { datetoTimeout } from "@marlowe.io/language-core-v1";
 import { addressBech32 } from "@marlowe.io/runtime-core";
-import { mintRole } from "@marlowe.io/runtime-rest-client/contract";
 
 const args = arg({
   "--help": Boolean,
@@ -113,11 +112,7 @@ async function main(
 
   const [contractId, txId] = await runtime.contracts.createContract({
     contract: escrow,
-    roles: {
-      Buyer: mintRole(Buyer),
-      Seller: mintRole(Seller),
-      Mediator: mintRole(Mediator),
-    },
+    roles: { Buyer, Seller, Mediator },
   });
 
   console.log("Contract ID: " + contractId);
diff --git a/packages/runtime/client/rest/src/contract/rolesConfigurations.ts b/packages/runtime/client/rest/src/contract/rolesConfigurations.ts
index 3374401d..31c11669 100644
--- a/packages/runtime/client/rest/src/contract/rolesConfigurations.ts
+++ b/packages/runtime/client/rest/src/contract/rolesConfigurations.ts
@@ -4,6 +4,7 @@ import { PolicyId, RoleName } from "@marlowe.io/language-core-v1";
 
 import * as G from "@marlowe.io/language-core-v1/guards";
 import { AddressBech32, AddressBech32Guard } from "@marlowe.io/runtime-core";
+import { assertGuardEqual, proxy } from "@marlowe.io/adapter/io-ts";
 
 /**
  *  Definition a of Closed Role Tlken
@@ -148,11 +149,21 @@ export const RoleTokenConfigurationGuard: t.Type<RoleTokenConfiguration> =
 /**
  *  @category Roles Configuration
  */
-export type MintRolesTokens = { [x: RoleName]: RoleTokenConfiguration };
+export type RoleTokenConfigurations = RoleTokenConfiguration | ClosedRole;
 
-export const MintRolesTokensGuard: t.Type<MintRolesTokens> = t.record(
-  G.RoleName,
-  RoleTokenConfigurationGuard
+export const RoleConfigurationsGuard = t.union([
+  RoleTokenConfigurationGuard,
+  ClosedRoleGuard,
+]);
+
+/**
+ *  @category Roles Configuration
+ */
+export type MintRolesTokens = { [x: RoleName]: RoleTokenConfigurations };
+
+export const MintRolesTokensGuard = assertGuardEqual(
+  proxy<MintRolesTokens>(),
+  t.record(G.RoleName, RoleConfigurationsGuard)
 );
 
 /**