Update local deployment verification script

scripts/verify-deployments.ts

@@ -0,0 +1,57 @@
+import * as fs from 'node:fs';
+import * as path from 'node:path';
+
+import { go } from '@api3/promise-utils';
+import { config, deployments, ethers } from 'hardhat';
+
+// https://github.com/Arachnid/deterministic-deployment-proxy/tree/be3c5974db5028d502537209329ff2e730ed336c#proxy-address
+const CREATE2_FACTORY_ADDRESS = '0x4e59b44847b379578588920cA78FbF26c0B4956C';
+
+async function main() {
+  const network = 'ethereum';
+  const contractName = 'IrrevocableVestingFactory';
+  const provider = new ethers.JsonRpcProvider((config.networks[network] as any).url);
+  const deployment = JSON.parse(fs.readFileSync(path.join('deployments', network, `${contractName}.json`), 'utf8'));
+  const artifact = await deployments.getArtifact(contractName);
+  const constructor = artifact.abi.find((method) => method.type === 'constructor');
+  const expectedEncodedConstructorArguments = constructor
+    ? ethers.AbiCoder.defaultAbiCoder().encode(
+        constructor.inputs.map((input: any) => input.type),
+        deployment.args
+      )
+    : '0x';
+  const salt = ethers.ZeroHash;
+  const expectedDeterministicDeploymentAddress = ethers.getCreate2Address(
+    CREATE2_FACTORY_ADDRESS,
+    salt,
+    ethers.solidityPackedKeccak256(['bytes', 'bytes'], [artifact.bytecode, expectedEncodedConstructorArguments])
+  );
+  if (deployment.address === expectedDeterministicDeploymentAddress) {
+    const goFetchContractCode = await go(async () => provider.getCode(deployment.address), {
+      retries: 5,
+      attemptTimeoutMs: 10_000,
+      totalTimeoutMs: 50_000,
+      delay: {
+        type: 'random',
+        minDelayMs: 2000,
+        maxDelayMs: 5000,
+      },
+    });
+    if (!goFetchContractCode.success || !goFetchContractCode.data) {
+      throw new Error(`${network} ${contractName} (deterministic) contract code could not be fetched`);
+    }
+    if (goFetchContractCode.data === '0x') {
+      throw new Error(`${network} ${contractName} (deterministic) contract code does not exist`);
+    }
+  } else {
+    throw new Error(`${network} ${contractName} is not deployed deterministically`);
+  }
+}
+
+/* eslint-disable */
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.log(error);
+    process.exit(1);
+  });