feat: Upgrade solidity to 0.8.30

contracts/SpokePool.sol

@@ -1673,8 +1673,23 @@ abstract contract SpokePool is
         if (fillStatuses[relayHash] == uint256(FillStatus.Filled)) revert RelayFilled();
         fillStatuses[relayHash] = uint256(FillStatus.Filled);
 
-        // @dev Before returning early, emit events to assist the dataworker in being able to know which fills were
-        // successful.
+        _emitFilledRelayEvent(relayExecution, relayData, relayer, fillType);
+        _transferTokensToRecipient(relayExecution, relayData, isSlowFill);
+    }
+
+    /**
+     * @notice Emits the FilledRelay event for a completed relay fill.
+     * @param relayExecution The relay execution parameters.
+     * @param relayData The relay data.
+     * @param relayer The relayer address.
+     * @param fillType The type of fill being executed.
+     */
+    function _emitFilledRelayEvent(
+        V3RelayExecutionParams memory relayExecution,
+        V3RelayData memory relayData,
+        bytes32 relayer,
+        FillType fillType
+    ) internal {
         emit FilledRelay(
             relayData.inputToken,
             relayData.outputToken,
@@ -1697,13 +1712,25 @@ abstract contract SpokePool is
                 fillType: fillType
             })
         );
+    }
 
+    /**
+     * @notice Transfers tokens to the recipient based on the relay execution parameters.
+     * @param relayExecution The relay execution parameters.
+     * @param relayData The relay data.
+     * @param isSlowFill Whether this is a slow fill execution.
+     */
+    function _transferTokensToRecipient(
+        V3RelayExecutionParams memory relayExecution,
+        V3RelayData memory relayData,
+        bool isSlowFill
+    ) internal {
         address outputToken = relayData.outputToken.toAddress();
         uint256 amountToSend = relayExecution.updatedOutputAmount;
         address recipientToSend = relayExecution.updatedRecipient.toAddress();
+
         // If relay token is wrappedNativeToken then unwrap and send native token.
-        // Stack too deep.
-        if (relayData.outputToken.toAddress() == address(wrappedNativeToken)) {
+        if (outputToken == address(wrappedNativeToken)) {
             // Note: useContractFunds is True if we want to send funds to the recipient directly out of this contract,
             // otherwise we expect the caller to send funds to the recipient. If useContractFunds is True and the
             // recipient wants wrappedNativeToken, then we can assume that wrappedNativeToken is already in the

foundry.toml

@@ -27,11 +27,11 @@ remappings = [
 ]
 via_ir = true
 optimizer_runs = 800
-solc_version = "0.8.24"
+solc_version = "0.8.30"
 revert_strings = "strip"
 fs_permissions = [{ access = "read", path = "./"}]
 
-solc = "0.8.24"
+solc = "0.8.30"
 evm_version = "prague"
 
 [profile.zksync.zksync]

hardhat.config.ts

@@ -56,7 +56,10 @@ const isTest = process.env.IS_TEST === "true" || process.env.CI === "true";
 // the following config is true.
 const compileZk = process.env.COMPILE_ZK === "true";
 
-const solcVersion = "0.8.24";
+const solcVersion = "0.8.30";
+
+// Hardhat 2.14.0 doesn't support prague yet, so we use paris instead (need to upgrade to v3 to use prague)
+const evmVersion = isTest ? "paris" : "prague";
 
 // Compilation settings are overridden for large contracts to allow them to compile without going over the bytecode
 // limit.
@@ -65,6 +68,7 @@ const LARGE_CONTRACT_COMPILER_SETTINGS = {
   settings: {
     optimizer: { enabled: true, runs: 800 },
     viaIR: true,
+    evmVersion,
     debug: { revertStrings: isTest ? "debug" : "strip" },
   },
 };
@@ -73,6 +77,7 @@ const DEFAULT_CONTRACT_COMPILER_SETTINGS = {
   settings: {
     optimizer: { enabled: true, runs: 1000000 },
     viaIR: true,
+    evmVersion,
     // Only strip revert strings if not testing or in ci.
     debug: { revertStrings: isTest ? "debug" : "strip" },
   },
@@ -83,6 +88,7 @@ const LARGEST_CONTRACT_COMPILER_SETTINGS = {
   settings: {
     optimizer: { enabled: true, runs: 50 },
     viaIR: true,
+    evmVersion,
     debug: { revertStrings: isTest ? "debug" : "strip" },
   },
 };