OEV-851 Add optional dualBroadcastParams field to TxMessage

Author: cll-gg

svr/CHANGELOG.md

@@ -1,5 +1,11 @@
 # @chainlink/svr
 
+## 1.2.0
+
+### Minor Changes
+
+- OEV-851: Add optional `dual_broadcast_params` field (8) to `TxMessage` proto. Populated with the URL-encoded MEVShare/Atlas params when a secondary (dual-broadcast) transaction is emitted.
+
 ## 1.1.0
 
 ### Minor Changes

svr/package.json

@@ -1,5 +1,5 @@
 {
   "name": "@chainlink/svr",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "private": true
 }

svr/v1/beholder_tx_message.pb.go

@@ -12,4 +12,5 @@ message TxMessage {
   int64 created_at = 5;
   string chain_id = 6;
   string feed_address = 7;
+  optional string dual_broadcast_params = 8;
 }