chore(evm): print error message if contract already exists at predict…

…ed proxy address (#354)
axelarnetwork · Aug 29, 2024 · 572ff80 · 572ff80
1 parent 7c5a6f4
commit 572ff80
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/evm/deploy-amplifier-gateway.js b/evm/deploy-amplifier-gateway.js
@@ -27,6 +27,7 @@ const {
     getDeployedAddress,
     getDeployOptions,
     getDomainSeparator,
+    isContract,
 } = require('./utils');
 const { addEvmOptions } = require('./cli-utils');
 const { storeSignedTx, signTransaction, getWallet } = require('./sign-utils.js');
@@ -128,6 +129,10 @@ async function deploy(config, chain, options) {
         printWarn('This is NOT required if the deployments are done by different integrators');
     }
 
+    if (await isContract(proxyAddress, wallet.provider)) {
+        printError(`Contract already deployed at predicted address "${proxyAddress}"!`);
+    }
+
     if (predictOnly || prompt(`Does derived address match existing gateway deployments? Proceed with deployment on ${chain.name}?`, yes)) {
         return;
     }

diff --git a/evm/deploy-gateway-v6.2.x.js b/evm/deploy-gateway-v6.2.x.js
@@ -167,6 +167,10 @@ async function deploy(config, chain, options) {
 
     printInfo('Is verification enabled?', verify ? 'y' : 'n');
 
+    if (await isContract(proxyAddress, wallet.provider)) {
+        printError(`Contract already deployed at predicted address "${proxyAddress}"!`);
+    }
+
     if (predictOnly || prompt(`Does derived address match existing gateway deployments? Proceed with deployment on ${chain.name}?`, yes)) {
         return;
     }