add linea config (#263)

.env.template

@@ -77,6 +77,10 @@ CANTO_ENDPOINT=https://canto.slingshot.finance
 POLYGON_ZK_EVM_ENDPOINT=https://zkevm-rpc.com
 ANTIMATTER_B2_ENDPOINT=https://rpc.antimatter.finance/
 
+LINEA_ENDPOINT=
+LINEA_API_KEY='ABCDEF'
+LINEA_API_ENDPOINT=Https://explorer.linea.build/api
+
 KOVAN_PRIVATE_KEY=ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
 
 KMS_KEY_ID=

deploy/pegged-bridge/tokens/002_multi_bridge_token.ts

@@ -8,16 +8,17 @@ const deployFunc: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
   const { deployments, getNamedAccounts } = hre;
   const { deploy } = deployments;
   const { deployer } = await getNamedAccounts();
-
-  await deploy('MultiBridgeToken', {
+  const args = [
+    process.env.MULTI_BRIDGE_TOKEN_NAME,
+    process.env.MULTI_BRIDGE_TOKEN_SYMBOL,
+    process.env.MULTI_BRIDGE_TOKEN_DECIMALS
+  ];
+  const multiBridgeToken = await deploy('MultiBridgeToken', {
     from: deployer,
     log: true,
-    args: [
-      process.env.MULTI_BRIDGE_TOKEN_NAME,
-      process.env.MULTI_BRIDGE_TOKEN_SYMBOL,
-      process.env.MULTI_BRIDGE_TOKEN_DECIMALS
-    ]
+    args: args
   });
+  await hre.run('verify:verify', { address: multiBridgeToken.address, constructorArguments: args });
 };
 
 deployFunc.tags = ['MultiBridgeToken'];

hardhat.config.ts

@@ -231,6 +231,9 @@ const polygonZkevmPrivateKey = process.env.POLYGON_ZKEVM_PRIVATE_KEY || DEFAULT_
 const antimatterB2Endpoint = process.env.ANTIMATTER_B2_ENDPOINT || DEFAULT_ENDPOINT;
 const antimatterB2PrivateKey = process.env.ANTIMATTER_B2_PRIVATE_KEY || DEFAULT_PRIVATE_KEY;
 
+const lineaEndpoint = process.env.LINEA_ENDPOINT || DEFAULT_ENDPOINT;
+const lineaPrivateKey = process.env.LINEA_PRIVATE_KEY || DEFAULT_PRIVATE_KEY;
+
 // use kmsKeyId if it's not empty, otherwise use privateKey
 function getNetworkConfig(url: string, kmsKeyId: string, privateKey: string, gasPrice?: number): NetworkUserConfig {
   const network: NetworkUserConfig = !kmsKeyId
@@ -400,7 +403,8 @@ const config: HardhatUserConfig = {
     fvm: getNetworkConfig(fvmEndpoint, kmsKeyId, fvmPrivateKey),
     canto: getNetworkConfig(cantoEndpoint, kmsKeyId, cantoPrivateKey),
     polygonZkevm: getNetworkConfig(polygonZkevmEndpoint, kmsKeyId, polygonZkevmPrivateKey),
-    antimatterB2: getNetworkConfig(antimatterB2Endpoint, kmsKeyId, antimatterB2PrivateKey)
+    antimatterB2: getNetworkConfig(antimatterB2Endpoint, kmsKeyId, antimatterB2PrivateKey),
+    linea: getNetworkConfig(lineaEndpoint, kmsKeyId, lineaPrivateKey)
   },
   namedAccounts: {
     deployer: {
@@ -451,7 +455,8 @@ const config: HardhatUserConfig = {
       moonriver: process.env.MOONRIVER_MOONSCAN_API_KEY || '',
       moonbeam: process.env.MOONBEAM_MOONSCAN_API_KEY || '',
       heco: process.env.HECOSCAN_API_KEY || '',
-      arbitrumNova: process.env.ARBISCAN_NOVA_API_KEY || ''
+      arbitrumNova: process.env.ARBISCAN_NOVA_API_KEY || '',
+      linea: process.env.LINEA_API_KEY || ''
     },
     customChains: [
       {
@@ -461,6 +466,14 @@ const config: HardhatUserConfig = {
           apiURL: process.env.ARBITRUM_NOVA_ENDPOINT || '',
           browserURL: process.env.ARBITRUM_NOVA_EXPLORER || ''
         }
+      },
+      {
+        network: 'linea',
+        chainId: 59144,
+        urls: {
+          apiURL: process.env.LINEA_API_ENDPOINT || '',
+          browserURL: process.env.LINEA_EXPLORER || ''
+        }
       }
     ]
   }

scripts/common.ts

@@ -10,6 +10,11 @@ export async function getDeployerSigner(): Promise<SignerWithAddress> {
 
 export async function getFeeOverrides(): Promise<Overrides> {
   const feeData = await ethers.provider.getFeeData();
+  const network = await ethers.provider.getNetwork();
+  if (network.chainId == 59144) {
+    // for linea
+    return { maxFeePerGas: 5000000000, maxPriorityFeePerGas: 4900000000};
+  }
   if (feeData.maxFeePerGas) {
     return { maxFeePerGas: feeData.maxFeePerGas, maxPriorityFeePerGas: feeData.maxPriorityFeePerGas || 0 };
   }