revert(contracts): re-add script to verify contracts

packages/contracts/package.json

@@ -5,6 +5,7 @@
         "start": "hardhat node",
         "compile": "hardhat compile",
         "deploy": "hardhat deploy",
+        "verify": "hardhat run scripts/verify-contracts.ts",
         "test": "hardhat test",
         "test:report-gas": "REPORT_GAS=true hardhat test",
         "test:coverage": "hardhat coverage",

packages/contracts/scripts/verify-contracts.ts

@@ -0,0 +1,44 @@
+import { hardhatArguments, run } from "hardhat"
+import { readFileSync } from "fs"
+
+type DeployedContracts = {
+    Poseidon: string
+    Semaphore: string
+    Verifier: string
+}
+
+export function getDeployedContracts(network: string | undefined): DeployedContracts | null {
+    try {
+        return JSON.parse(readFileSync(`./deployed-contracts/${network}.json`, "utf8"))
+    } catch (error) {
+        return null
+    }
+}
+
+async function verify(address: string, constructorArguments?: any[]): Promise<void> {
+    try {
+        await run("verify:verify", {
+            address,
+            constructorArguments
+        })
+    } catch (error) {
+        console.error(error)
+    }
+}
+
+async function main() {
+    const deployedContracts = getDeployedContracts(hardhatArguments.network)
+
+    if (deployedContracts) {
+        await verify(deployedContracts.Verifier)
+        await verify(deployedContracts.Poseidon)
+        await verify(deployedContracts.Semaphore, [deployedContracts.Verifier])
+    }
+}
+
+main()
+    .then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error)
+        process.exit(1)
+    })