chore: Add comment to keep in sync with op bindings

op-bindings/predeploys/addresses.go

@@ -2,6 +2,9 @@ package predeploys
 
 import "github.com/ethereum/go-ethereum/common"
 
+// TODO - we should get a single toml yaml or json file source of truth in @eth-optimism/bedrock package
+// This needs to be kept in sync with @eth-optimism/contracts-ts/wagmi.config.ts which also specifies this
+// To improve robustness and maintainability contracts-bedrock should export all addresses
 const (
 	L2ToL1MessagePasser           = "0x4200000000000000000000000000000000000016"
 	DeployerWhitelist             = "0x4200000000000000000000000000000000000002"

packages/contracts-ts/wagmi.config.ts

@@ -8,6 +8,7 @@ import { isDeepStrictEqual } from 'util'
 /**
  * Predeployed contract addresses
  * In future it would be nice to have a json file in contracts bedrock be generated as source of truth
+ * Keep this in sync with op-bindings/predeploys/addresses.go in meantime
  */
 const predeployContracts = {
   LegacyMessagePasser: {