Update watom.go

contracts/watom.go

@@ -1,27 +1,35 @@
 package contracts
 
 import (
-	_ "embed"
+	_ "embed" // Required for the go:embed directive
+	"fmt" // Added for clearer panic message
 
 	contractutils "github.com/cosmos/evm/contracts/utils"
 	evmtypes "github.com/cosmos/evm/x/vm/types"
 )
 
 var (
-	// WATOMJSON are the compiled bytes of the WATOMContract
+	// WATOMJSON embeds the raw JSON compilation artifact for the WATOM contract.
+	// This JSON file contains the contract's ABI and bytecode.
 	//
 	//go:embed solidity/WATOM.json
 	WATOMJSON []byte
 
-	// WATOMContract is the compiled watom contract
+	// WATOMContract holds the processed, compiled contract structure
+	// ready for use by the EVM module.
 	WATOMContract evmtypes.CompiledContract
 )
 
+// init runs automatically when the package is loaded. It deserializes the embedded JSON
+// into a CompiledContract struct.
 func init() {
 	var err error
+
+	// Deserialize the embedded Hardhat/Truffle JSON artifact into the EVM's internal struct.
 	if WATOMContract, err = contractutils.ConvertHardhatBytesToCompiledContract(
 		WATOMJSON,
 	); err != nil {
-		panic(err)
+		// Panic if loading or deserialization fails, as the application cannot function without core contracts.
+		panic(fmt.Errorf("failed to convert embedded WATOM JSON to CompiledContract: %w", err))
 	}
 }