contracts-periphery: deploy erc721 bridge (#3621)

* ctp: deploy goerli nft bridge fixes

Test on kovan

* ctp: goerli nft bridge deployment artifacts

* ctp: delete kovan bridge artifacts

* ctp: revert deploy script

* ctp: add goerli nft bridge deployment changeset

.changeset/green-doors-brake.md

+---
+'@eth-optimism/contracts-periphery': patch
+---
+
+Goerli nft bridge deployment

packages/contracts-periphery/deploy/nft-bridge/L2ERC721BridgeProxy.ts

@@ -27,6 +27,7 @@ const deployFn: DeployFunction = async (hre) => {
   const goerliDeployer = getAddress(
     '0x5c679a57e018f5f146838138d3e032ef4913d551'
   )
+  const kovanDeployer = getAddress('0xa81224490b9fa4930a2e920550cd1c9106bb6d9e')
   const localDeployer = getAddress('0xdfc82d475833a50de90c642770f34a9db7deb725')
 
   // Deploy the L2ERC721BridgeProxy as a predeploy address
@@ -42,6 +43,10 @@ const deployFn: DeployFunction = async (hre) => {
     if (getAddress(deployer) !== localDeployer) {
       throw new Error(`Incorrect deployer: ${deployer}`)
     }
+  } else if (hre.network.name === 'optimism-kovan') {
+    if (getAddress(deployer) !== kovanDeployer) {
+      throw new Error(`Incorrect deployer: ${deployer}`)
+    }
   } else {
     throw new Error(`Unknown network: ${hre.network.name}`)
   }

packages/contracts-periphery/deploy/nft-bridge/OptimismMintableERC721FactoryImplementation.ts

@@ -36,6 +36,8 @@ const deployFn: DeployFunction = async (hre) => {
     remoteChainId = 5
   } else if (hre.network.name === 'ops-l2') {
     remoteChainId = 31337
+  } else if (hre.network.name === 'optimism-kovan') {
+    remoteChainId = 42
   } else {
     remoteChainId = hre.deployConfig.remoteChainId
   }

packages/contracts-periphery/deployments/goerli/.chainId

+5
\ No newline at end of file

packages/contracts-periphery/hardhat.config.ts

@@ -64,6 +64,9 @@ const config: HardhatUserConfig = {
           apiKey: getenv('OPTIMISTIC_ETHERSCAN_API_KEY'),
         },
       },
+      companionNetworks: {
+        l1: 'kovan',
+      },
     },
     'optimism-goerli': {
       chainId: 420,
@@ -123,6 +126,9 @@ const config: HardhatUserConfig = {
           apiKey: getenv('ETHEREUM_ETHERSCAN_API_KEY'),
         },
       },
+      companionNetworks: {
+        l2: 'optimism-kovan',
+      },
     },
     'ops-l2': {
       chainId: 17,
@@ -149,6 +155,18 @@ const config: HardhatUserConfig = {
   paths: {
     deployConfig: './config/deploy',
   },
+  external: {
+    contracts: [
+      {
+        artifacts: '../contracts/artifacts',
+      },
+    ],
+    deployments: {
+      goerli: ['../contracts/deployments/goerli'],
+      kovan: ['../contracts/deployments/kovan'],
+      ethereum: ['../contracts/deployments/mainnet'],
+    },
+  },
   deployConfigSpec: configSpec,
   mocha: {
     timeout: 50000,

packages/contracts-periphery/scripts/deploy-nft-bridge.sh

@@ -20,5 +20,5 @@ npx hardhat deploy --tags L1ERC721BridgeImplementation --network $L1_NETWORK
 # Step 5: deploy the Proxy for the OptimismMintableERC721Factory to L2
 npx hardhat deploy --tags OptimismMintableERC721FactoryProxy --network $L2_NETWORK
 
-# Step 5: deploy the OptimismMintableERC721Factory to L2
+# Step 6: deploy the OptimismMintableERC721Factory to L2
 npx hardhat deploy --tags OptimismMintableERC721FactoryImplementation --network $L2_NETWORK

packages/contracts-periphery/src/nft-bridge-deploy-helpers.ts

@@ -14,6 +14,7 @@ export const isTargetL2Network = (network: string): boolean => {
     case 'optimism':
     case 'optimism-goerli':
     case 'ops-l2':
+    case 'optimism-kovan':
       return true
     default:
       return false
@@ -25,6 +26,7 @@ export const isTargetL1Network = (network: string): boolean => {
     case 'mainnet':
     case 'goerli':
     case 'ops-l1':
+    case 'kovan':
       return true
     default:
       return false
@@ -37,6 +39,9 @@ export const getProxyAdmin = (network: string): string => {
       return l2MainnetMultisig
     case 'mainnet':
       return l1MainnetMultisig
+    case 'kovan':
+    case 'optimism-kovan':
+      return goerliAdmin
     case 'goerli':
     case 'optimism-goerli':
       return goerliAdmin