feat: get transfer status function

packages/sdk/src/constants.ts

@@ -3,3 +3,8 @@ export enum ConfigUrl {
   TESTNET = 'https://chainbridge-assets-stage.s3.us-east-2.amazonaws.com/shared-config-test.json',
   MAINNET = 'https://sygma-assets-mainnet.s3.us-east-2.amazonaws.com/shared-config-mainnet.json',
 }
+
+export enum IndexerUrl {
+  MAINNET = 'https://api.buildwithsygma.com',
+  TESTNET = 'https://api.test.buildwithsygma.com',
+}

packages/sdk/src/types/types.ts

@@ -82,3 +82,5 @@ export type Transfer<TransferType> = {
 };
 
 export type LiquidityError = Error & { maximumTransferAmount: bigint };
+
+export type TransferStatus = 'pending' | 'executed' | 'failed';

packages/sdk/src/utils.ts

@@ -1,4 +1,5 @@
-import { Environment } from './types';
+import { IndexerUrl } from './constants';
+import { Environment, TransferStatus } from './types';
 
 export const DEVNET_FEE_ORACLE_BASE_URL: string = 'https://fee-oracle.develop.buildwithsygma.com/';
 export const TESTNET_FEE_ORACLE_BASE_URL: string = 'https://fee-oracle.test.buildwithsygma.com/';
@@ -15,3 +16,22 @@ export function getFeeOracleBaseURL(environment?: Environment): string {
       return MAINNET_FEE_ORACLE_BASE_URL;
   }
 }
+
+export async function getTransferStatus(
+  txHash: string,
+  environment: Environment,
+): Promise<TransferStatus> {
+  let url: string;
+
+  if (environment === Environment.TESTNET) {
+    url = IndexerUrl.TESTNET;
+  } else if (environment === Environment.MAINNET) {
+    url = IndexerUrl.MAINNET;
+  } else {
+    throw new Error('Invalid environment');
+  }
+
+  const response = await fetch(`${url}/transfers/txHash/${txHash}`);
+  const data = (await response.json()) as Record<string, unknown> & { status: TransferStatus };
+  return data.status;
+}