Make TransparentUpgradeableProxy deploy its ProxyAdmin and optimize proxy interfaces (#4382)

test/helpers/account.js

@@ -0,0 +1,14 @@
+const { web3 } = require('hardhat');
+const { impersonateAccount, setBalance } = require('@nomicfoundation/hardhat-network-helpers');
+
+// Hardhat default balance
+const DEFAULT_BALANCE = web3.utils.toBN('10000000000000000000000');
+
+async function impersonate(account, balance = DEFAULT_BALANCE) {
+  await impersonateAccount(account);
+  await setBalance(account, balance);
+}
+
+module.exports = {
+  impersonate,
+};

test/helpers/create.js

@@ -0,0 +1,23 @@
+const { rlp } = require('ethereumjs-util');
+
+function computeCreateAddress(deployer, nonce) {
+  return web3.utils.toChecksumAddress(web3.utils.sha3(rlp.encode([deployer.address ?? deployer, nonce])).slice(-40));
+}
+
+function computeCreate2Address(saltHex, bytecode, deployer) {
+  return web3.utils.toChecksumAddress(
+    web3.utils
+      .sha3(
+        '0x' +
+          ['ff', deployer.address ?? deployer, saltHex, web3.utils.soliditySha3(bytecode)]
+            .map(x => x.replace(/0x/, ''))
+            .join(''),
+      )
+      .slice(-40),
+  );
+}
+
+module.exports = {
+  computeCreateAddress,
+  computeCreate2Address,
+};

test/helpers/create2.js

@@ -1,11 +0,0 @@
-function computeCreate2Address(saltHex, bytecode, deployer) {
-  return web3.utils.toChecksumAddress(
-    `0x${web3.utils
-      .sha3(`0x${['ff', deployer, saltHex, web3.utils.soliditySha3(bytecode)].map(x => x.replace(/0x/, '')).join('')}`)
-      .slice(-40)}`,
-  );
-}
-
-module.exports = {
-  computeCreate2Address,
-};