fixes

l1-contracts/contracts/bridge/L1ERC20Bridge.sol

@@ -87,12 +87,18 @@ contract L1ERC20Bridge is IL1Bridge, IL1BridgeLegacy, ReentrancyGuard {
         uint256 _deployBridgeProxyFee,
         uint256 _amount
     ) external payable reentrancyGuardInitializer {
+        bool nativeErc20 = _amount != 0;
+
         require(_l2TokenBeacon != address(0), "nf");
         require(_governor != address(0), "nh");
         // We are expecting to see the exact three bytecodes that are needed to initialize the bridge
         require(_factoryDeps.length == 3, "mk");
         // The caller miscalculated deploy transactions fees
-        require(_amount == _deployBridgeImplementationFee + _deployBridgeProxyFee, "fee");
+        if (nativeErc20) {
+            require(_amount == _deployBridgeImplementationFee + _deployBridgeProxyFee, "fee");
+        } else {
+            require(msg.value == _deployBridgeImplementationFee + _deployBridgeProxyFee, "fee");
+        }
         l2TokenProxyBytecodeHash = L2ContractHelper.hashL2Bytecode(_factoryDeps[2]);
         l2TokenBeacon = _l2TokenBeacon;
 

l1-contracts/scripts/initialize-bridges.ts

@@ -61,6 +61,7 @@ async function main() {
     .option("--gas-price <gas-price>")
     .option("--nonce <nonce>")
     .option("--erc20-bridge <erc20-bridge>")
+    .option("--native-erc20")
     .action(async (cmd) => {
       const deployWallet = cmd.privateKey
         ? new Wallet(cmd.privateKey, provider)
@@ -70,6 +71,10 @@ async function main() {
           ).connect(provider);
       console.log(`Using deployer wallet: ${deployWallet.address}`);
 
+      // check if native erc20 is enabled
+      const nativeErc20impl = cmd.nativeErc20 ? true : false;
+      console.log(`Using native erc20: ${nativeErc20impl}`);
+
       const gasPrice = cmd.gasPrice ? parseUnits(cmd.gasPrice, "gwei") : await provider.getGasPrice();
       console.log(`Using gas price: ${formatUnits(gasPrice, "gwei")} gwei`);
 
@@ -152,7 +157,7 @@ async function main() {
         zkSync.requestL2Transaction(
           ethers.constants.AddressZero,
           0,
-          requiredValueToPublishBytecodes,
+          nativeErc20impl ? requiredValueToPublishBytecodes : 0,
           "0x",
           priorityTxMaxGasLimit,
           SYSTEM_CONFIG.requiredL2GasPricePerPubdata,
@@ -166,15 +171,14 @@ async function main() {
           l2GovernorAddress,
           requiredValueToInitializeBridge,
           requiredValueToInitializeBridge,
-          requiredValueToInitializeBridge.mul(2),
+          nativeErc20impl ? requiredValueToInitializeBridge.mul(2) : 0,
           {
             gasPrice,
             nonce: nonce + 1,
             value: requiredValueToInitializeBridge.mul(2),
           }
         ),
       ];
-
       const txs = await Promise.all(independentInitialization);
       for (const tx of txs) {
         console.log(`Transaction sent with hash ${tx.hash} and nonce ${tx.nonce}. Waiting for receipt...`);