fix: check if token bridge deployed (#201)

OffchainLabs · Oct 1, 2024 · f3893a6 · f3893a6
1 parent 1084c40
commit f3893a6
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/createTokenBridgePrepareTransactionRequest.ts b/src/createTokenBridgePrepareTransactionRequest.ts
@@ -13,6 +13,7 @@ import {
 import { Prettify } from './types/utils';
 import { WithTokenBridgeCreatorAddressOverride } from './types/createTokenBridgeTypes';
 import { getTokenBridgeCreatorAddress } from './utils/getTokenBridgeCreatorAddress';
+import { isTokenBridgeDeployed } from './createTokenBridge';
 
 export type TransactionRequestRetryableGasOverrides = {
   maxSubmissionCostForFactory?: GasOverrideOptions;
@@ -50,6 +51,17 @@ export async function createTokenBridgePrepareTransactionRequest<
 }: CreateTokenBridgePrepareTransactionRequestParams<TParentChain, TOrbitChain>) {
   const chainId = validateParentChain(parentChainPublicClient);
 
+  const isTokenBridgeAlreadyDeployed = await isTokenBridgeDeployed({
+    parentChainPublicClient,
+    orbitChainPublicClient,
+    tokenBridgeCreatorAddress: tokenBridgeCreatorAddressOverride,
+    rollupAddress: params.rollup,
+  });
+
+  if (isTokenBridgeAlreadyDeployed) {
+    throw new Error(`Token bridge contracts for Rollup ${params.rollup} are already deployed`);
+  }
+
   const tokenBridgeCreatorAddress =
     tokenBridgeCreatorAddressOverride ?? getTokenBridgeCreatorAddress(parentChainPublicClient);