Add zkSync Era support

.eslintignore

@@ -1,5 +1,5 @@
 node_modules
-artifacts
-cache
+artifacts*
+cache*
 coverage
 *.js

.gitignore

@@ -5,5 +5,5 @@ coverage.json
 typechain
 
 #Hardhat files
-cache
-artifacts
+cache*
+artifacts*

.prettierignore

@@ -1,8 +1,9 @@
 node_modules
-artifacts
-cache
+artifacts*
+cache*
 coverage*
 gasReporterOutput.json
 docs/contracts
 docs/templates
-.openzeppelin
+.openzeppelin
+.upgradable

README.md

@@ -40,6 +40,7 @@ Networks can be configured in _[hardhat.config.ts](hardhat.config.ts)_. We've pr
 - `arbitrum` (Arbitrum One (Mainnet))
 - `base` (Base Mainnet)
 - `optimism` (Optimism Mainnet)
+- `zksync` (zkSync Era Mainnet)
 - `cronos` (Cronos Mainnet)
 - `mantle` (Mantle Network Mainnet)
 - `ontology` (Ontology EVM Mainnet)

hardhat.config.ts

@@ -1,3 +1,7 @@
+import "@matterlabs/hardhat-zksync-deploy";
+import "@matterlabs/hardhat-zksync-solc";
+import "@matterlabs/hardhat-zksync-upgradable";
+import "@matterlabs/hardhat-zksync-verify";
 import "@nomicfoundation/hardhat-chai-matchers";
 import "@nomicfoundation/hardhat-ethers";
 import "@nomicfoundation/hardhat-verify";
@@ -21,59 +25,80 @@ const config: HardhatUserConfig = {
     hardhat: {},
     ethereum: {
       url: `https://mainnet.infura.io/v3/${process.env.INFURA_ID}`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     goerli: {
       url: `https://goerli.infura.io/v3/${process.env.INFURA_ID}`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     sepolia: {
       url: `https://sepolia.infura.io/v3/${process.env.INFURA_ID}`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     bsc: {
       url: `https://bsc-dataseed1.binance.org`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     bsctest: {
       url: `https://data-seed-prebsc-1-s1.binance.org:8545`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     polygon: {
       url: `https://polygon-rpc.com`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     mumbai: {
       url: `https://polygon-testnet.public.blastapi.io`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     gnosis: {
       url: `https://rpc.gnosischain.com`,
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     arbitrum: {
       url: "https://arbitrum.blockpi.network/v1/rpc/public",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     base: {
       url: "https://base-mainnet.public.blastapi.io",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     optimism: {
       url: "https://optimism-mainnet.public.blastapi.io",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
+    },
+    zksync: {
+      url: "https://mainnet.era.zksync.io",
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      ethNetwork: "ethereum",
+      verifyURL: "https://zksync2-mainnet-explorer.zksync.io/contract_verification",
+      zksync: true
     },
     cronos: {
       url: "https://cronos-evm.publicnode.com",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     mantle: {
       url: "https://rpc.mantle.xyz",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     },
     ontology: {
       url: "https://dappnode2.ont.io:10339",
-      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+      zksync: false
     }
   },
   gasReporter: {