Check address is valid

ZakGriffith · Sep 13, 2022 · 5f0f9f5 · 5f0f9f5
1 parent e8d69e9
commit 5f0f9f5
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Showing 3 changed files with 465 additions and 1 deletion.
diff --git a/package.json b/package.json
@@ -4,6 +4,7 @@
     "body-parser": "^1.19.1",
     "cors": "^2.8.5",
     "dotenv": "^11.0.0",
+    "ethers": "^5.7.0",
     "express": "^4.17.2",
     "https": "^1.0.0",
     "nodemon": "^2.0.15"

diff --git a/utils/contract.js b/utils/contract.js
@@ -4,6 +4,7 @@ const { allowedNetworks, ETHERSCAN_API_KEY } = require("./config");
 const fs = require("fs");
 const util = require("util");
 const { MESSAGES } = require("./messages");
+const { ethers } = require("ethers");
 const exec = util.promisify(require("child_process").exec);
 
 let challenges = JSON.parse(fs.readFileSync("challenges.json").toString());
@@ -106,6 +107,10 @@ const testChallenge = async ({ challenge, network, address }) => {
 };
 
 const downloadAndTestContract = async (challengeId, network, address) => {
+  if (!ethers.utils.isAddress(address)) {
+    throw new Error(`${address} is not a valid address.`);
+  }
+
   if (!challenges[challengeId]) {
     throw new Error(`Challenge "${challengeId}" not found.`);
   }