Verify proxy/implementation on etherscan

packages/contracts/deploy/verification/99_conclude/10_verify-contracts.ts

@@ -27,7 +27,7 @@ const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
   }
 };
 export default func;
-func.tags = ['New', 'Verify'];
+func.tags = ['New', 'Verify', 'VerifyContracts'];
 func.runAtTheEnd = true;
 func.skip = (hre: HardhatRuntimeEnvironment) =>
   Promise.resolve(isLocal(hre.network));

packages/contracts/deploy/verification/99_conclude/11_verify-proxies.ts

@@ -0,0 +1,40 @@
+import {
+  collectProxyWithImplementation,
+  generateExplorerIsThisAProxyURL,
+  handleLinkProxyRequest,
+} from '../../../utils/etherscan';
+import {DeployFunction} from 'hardhat-deploy/types';
+import {HardhatRuntimeEnvironment} from 'hardhat/types';
+
+/**
+ * This script runs after contract verification.
+ * It searches deployments for proxies and their implementations and links them on Etherscan.
+ * This avoids the need to call 'Is this a proxy?' for each contract using the UI.
+ * This script can also be run as a standalone by invoking the 'VerifyProxies' tag.
+ */
+const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
+  console.log('\nLinking Proxies on Etherscan');
+
+  const url = generateExplorerIsThisAProxyURL(hre);
+  const verifyData = collectProxyWithImplementation(
+    await hre.deployments.all()
+  );
+
+  console.log(
+    `Linking ${verifyData.length} proxies on Etherscan, please be patient.`
+  );
+
+  for (const {proxy, implementation} of verifyData) {
+    await handleLinkProxyRequest(url, proxy, implementation);
+  }
+};
+export default func;
+func.tags = ['New', 'Verify', 'VerifyProxies'];
+func.dependencies = ['VerifyContracts'];
+func.runAtTheEnd = true;
+func.skip = (hre: HardhatRuntimeEnvironment) =>
+  Promise.resolve(
+    hre.network.name === 'localhost' ||
+      hre.network.name === 'hardhat' ||
+      hre.network.name === 'coverage'
+  );