add GetTwoWayPegData RPC

Author: Ash-L2L

proto/mainchain.proto

@@ -11,12 +11,22 @@ message BlockHeaderInfo {
   bytes work = 4;
 }
 
-message Deposit {
-  uint64 sequence_number = 1;
+message OutPoint {
+  bytes txid = 1;
+  uint32 vout = 2;
+}
+
+message Output {
   bytes address = 2;
   uint64 value = 3;
 }
 
+message Deposit {
+  uint64 sequence_number = 1;
+  OutPoint outpoint = 2;
+  Output output = 3;
+}
+
 enum WithdrawalBundleEventType {
   WITHDRAWAL_BUNDLE_EVENT_TYPE_SUBMITTED_UNSPECIFIED = 0;
   WITHDRAWAL_BUNDLE_EVENT_TYPE_FAILED = 1;
@@ -41,6 +51,8 @@ service Mainchain {
   rpc GetBmmHStarCommitments(GetBmmHStarCommitmentsRequest)
     returns (GetBmmHStarCommitmentsResponse);
   rpc GetChainTip(GetChainTipRequest) returns (GetChainTipResponse);
+  rpc GetTwoWayPegData(GetTwoWayPegDataRequest)
+    returns (GetTwoWayPegDataResponse);
   rpc SubscribeEvents(SubscribeEventsRequest) returns (stream EventResponse);
 }
 
@@ -53,6 +65,7 @@ message GetBlockHeaderInfoResponse {
 
 message GetBlockInfoRequest {
   bytes block_hash = 1;
+  uint32 sidechain_id = 2;
 }
 message GetBlockInfoResponse {
   BlockHeaderInfo header_info = 1;
@@ -73,7 +86,21 @@ message GetChainTipResponse {
   BlockHeaderInfo block_header_info = 1;
 }
 
+message GetTwoWayPegDataRequest {
+  uint32 sidechain_id = 1;
+  optional bytes start_block_hash = 2;
+  bytes end_block_hash = 3;
+}
+message GetTwoWayPegDataResponse {
+  message ResponseItem {
+    BlockHeaderInfo block_header_info = 1;
+    BlockInfo block_info = 2;
+  }
+  repeated ResponseItem blocks = 1;
+}
+
 message SubscribeEventsRequest {
+  uint32 sidechain_id = 1;
 }
 message EventResponse {
   message Event {