Removed @provablehq/sdk import due to ESM compatibility issues, using custom validation instead

Author: PaulvanMotman

packages/currency/package.json

@@ -43,14 +43,13 @@
   },
   "dependencies": {
     "@metamask/contract-metadata": "1.31.0",
-    "@provablehq/sdk": "^0.9.5",
     "@requestnetwork/types": "0.54.0",
     "@requestnetwork/utils": "0.54.0",
-    "@ton/core": "^0.61.0",
-    "@ton/crypto": "^3.3.0",
+    "@ton/core": "0.61.0",
+    "@ton/crypto": "3.3.0",
     "multicoin-address-validator": "0.5.15",
     "node-dijkstra": "2.5.0",
-    "starknet": "^7.6.4",
+    "starknet": "7.6.4",
     "tslib": "2.8.1"
   },
   "devDependencies": {

packages/currency/src/currencyManager.ts

@@ -2,7 +2,6 @@ import { CurrencyTypes, RequestLogicTypes } from '@requestnetwork/types';
 import { utils } from 'ethers';
 import { Address } from '@ton/core';
 import { validateAndParseAddress } from 'starknet';
-import { Address as AleoAddress } from '@provablehq/sdk';
 import addressValidator from 'multicoin-address-validator';
 import { getSupportedERC20Tokens } from './erc20';
 import { getSupportedERC777Tokens } from './erc777';
@@ -326,13 +325,20 @@ export class CurrencyManager<TMeta = unknown> implements CurrencyTypes.ICurrency
   }
 
   /**
-   * Validate an Aleo address. See https://developer.aleo.org/guides/sdk/wasm/nodejs/#addressfrom_stringaddress--address for more details.
+   * Validate an Aleo address using the official format specification.
+   * Note we do not use the @provablehq/sdk package because it is ESM-only
+   * For regex validation, see https://namespaces.chainagnostic.org/aleo/caip10 for more details.
    * @param address - The address to validate
    * @returns True if the address is valid, false otherwise
    */
   validateAleoAddress(address: string): boolean {
     try {
-      return !!AleoAddress.from_string(address);
+      if (!address || typeof address !== 'string') {
+        return false;
+      }
+
+      const aleoAddressRegex = /^aleo1[a-z0-9]{58}$/;
+      return aleoAddressRegex.test(address);
     } catch {
       return false;
     }