fix: add xdc token contructor

Ticket: COIN-7060

Author: at31416

modules/sdk-coin-xdc/src/register.ts

@@ -1,8 +1,15 @@
 import { BitGoBase } from '@bitgo/sdk-core';
 import { Xdc } from './xdc';
 import { Txdc } from './txdc';
+import { EthLikeErc20Token } from '@bitgo/sdk-coin-evm';
 
 export const register = (sdk: BitGoBase): void => {
   sdk.register('xdc', Xdc.createInstance);
   sdk.register('txdc', Txdc.createInstance);
+  EthLikeErc20Token.createTokenConstructors({
+    Mainnet: 'xdc',
+    Testnet: 'txdc',
+  }).forEach(({ name, coinConstructor }) => {
+    sdk.register(name, coinConstructor);
+  });
 };

modules/sdk-coin-xdc/test/unit/xdcToken.ts

@@ -0,0 +1,30 @@
+import 'should';
+import { TestBitGo, TestBitGoAPI } from '@bitgo/sdk-test';
+import { BitGoAPI } from '@bitgo/sdk-api';
+
+import { register } from '../../src';
+
+describe('XDC Token:', function () {
+  let bitgo: TestBitGoAPI;
+  let xdcTokenCoin;
+  const tokenName = 'xdc:usdc';
+
+  before(function () {
+    bitgo = TestBitGo.decorate(BitGoAPI, { env: 'prod' });
+    register(bitgo);
+    bitgo.initializeTestVars();
+    xdcTokenCoin = bitgo.coin(tokenName);
+  });
+
+  it('should return constants', function () {
+    xdcTokenCoin.getChain().should.equal('xdc:usdc');
+    xdcTokenCoin.getBaseChain().should.equal('xdc');
+    xdcTokenCoin.getFullName().should.equal('ERC20 Token');
+    xdcTokenCoin.getBaseFactor().should.equal(1e6);
+    xdcTokenCoin.type.should.equal(tokenName);
+    xdcTokenCoin.name.should.equal('USD Coin');
+    xdcTokenCoin.coin.should.equal('xdc');
+    xdcTokenCoin.network.should.equal('Mainnet');
+    xdcTokenCoin.decimalPlaces.should.equal(6);
+  });
+});

modules/sdk-core/src/bitgo/environments.ts

@@ -303,6 +303,9 @@ const mainnetBase: EnvironmentTemplate = {
     arc: {
       baseUrl: 'https://testnet.arcscan.app/api/v2', // WIN-8039 => add mainnet url when available
     },
+    xdc: {
+      baseUrl: 'https://api.etherscan.io/v2',
+    },
   },
   icpNodeUrl: 'https://ic0.app',
   worldExplorerBaseUrl: 'https://worldscan.org/',
@@ -469,6 +472,9 @@ const testnetBase: EnvironmentTemplate = {
     arc: {
       baseUrl: 'https://testnet.arcscan.app/api/v2',
     },
+    xdc: {
+      baseUrl: 'https://api.etherscan.io/v2',
+    },
   },
   stxNodeUrl: 'https://api.testnet.hiro.so',
   vetNodeUrl: 'https://sync-testnet.vechain.org',