Add etherscan verification script

package.json

@@ -63,12 +63,14 @@
     "@uniswap/v2-core": "^1.0.1",
     "ajv": "^6.10.0",
     "aws-sdk": "^2.787.0",
+    "child_process": "^1.0.2",
     "ethers": "^5.0.19",
     "fs": "0.0.1-security",
     "inquirer": "^7.0.0",
     "node-fetch": "^2.6.1",
     "openzeppelin-solidity": "2.3",
-    "semver": "^7.1.3"
+    "semver": "^7.1.3",
+    "util": "^0.12.3"
   },
   "devDependencies": {
     "-": "0.0.1",
@@ -95,7 +97,7 @@
     "truffle": "^5.1.48",
     "truffle-assertions": "^0.9.2",
     "truffle-flatten": "^1.0.8",
-    "truffle-plugin-verify": "^0.5.0",
+    "truffle-plugin-verify": "^0.5.2",
     "web3": "^1.3.0",
     "web3-eth-abi": "^1.3.0"
   }

scripts/verify.js

@@ -0,0 +1,55 @@
+// ///////////////////////////////////////////////////////////////////
+// Script to verify in EtherScan all contracts from the configuration file's
+// "contracts" and "modules" sections.
+// Can be executed (from the project root as we're loading .env file from root via `dotenv`) as:
+// bash ./scripts/execute_script.sh --no-compile scripts/verify.js test
+//
+// where:
+//     - network = [test, staging, prod]
+// ////////////////////////////////////////////////////////////////////
+require("dotenv").config();
+
+const util = require("util");
+const exec = util.promisify(require("child_process").exec);
+
+const ConfiguratorLoader = require("../utils/configurator-loader.js");
+const Configurator = require("../utils/configurator.js");
+
+async function execVerify(contractName, contractAddress, network) {
+  const res = await exec(`npx truffle run verify ${contractName}@${contractAddress} --network ${network}`).catch((e) => e);
+  console.log(res.stdout);
+}
+
+async function main() {
+  const idx = process.argv.indexOf("--network");
+  const network = process.argv[idx + 1];
+  const remotelyManagedNetworks = (process.env.S3_BUCKET_SUFFIXES || "").split(":");
+
+  // Ensure a supported network is requested
+  if (!remotelyManagedNetworks.includes(network)) {
+    console.error("Error: Invalid network selected");
+    return;
+  }
+
+  const bucket = `${process.env.S3_BUCKET_PREFIX}-${network}`;
+  const key = process.env.S3_CONFIG_KEY;
+  const configLoader = new ConfiguratorLoader.S3(bucket, key);
+
+  const configurator = new Configurator(configLoader);
+
+  // This will allow the config to be printed regardless of whether it's valid or not
+  await configurator.load(false);
+  const configuration = configurator.copyConfig();
+
+  for (const [contractName, contractAddress] of Object.entries(configuration.contracts)) {
+    await execVerify(contractName, contractAddress, network);
+  }
+
+  for (const [moduleName, moduleAddress] of Object.entries(configuration.modules)) {
+    await execVerify(moduleName, moduleAddress, network);
+  }
+}
+
+main().catch((err) => {
+  throw err;
+});