add GetTwoWayPegData RPC

Author: Ash-L2L

proto/mainchain.proto

@@ -11,10 +11,20 @@ message BlockHeaderInfo {
   bytes work = 4;
 }
 
+message OutPoint {
+  bytes txid = 1;
+  uint32 vout = 2;
+}
+
+message Output {
+  bytes address = 2;
+  uint64 value_sats = 3;
+}
+
 message Deposit {
   uint64 sequence_number = 1;
-  bytes address = 2;
-  uint64 value = 3;
+  OutPoint outpoint = 2;
+  Output output = 3;
 }
 
 enum WithdrawalBundleEventType {
@@ -28,22 +38,56 @@ message WithdrawalBundleEvent {
   WithdrawalBundleEventType withdrawal_bundle_event_type = 2;
 }
 
+// Specific to an individual sidechain slot
 message BlockInfo {
   repeated Deposit deposits = 1;
   optional WithdrawalBundleEvent withdrawal_bundle_event = 2;
-  repeated bytes bmm_hashes = 3;
+  optional bytes bmm_commitment = 3;
 }
 
 service Mainchain {
+  rpc BroadcastWithdrawalBundle(BroadcastWithdrawalBundleRequest)
+    returns (BroadcastWithdrawalBundleResponse);
+  rpc CreateBmmCriticalDataTransaction(CreateBmmCriticalDataTransactionRequest)
+    returns (CreateBmmCriticalDataTransactionResponse);
+  // Regtest only
+  rpc GenerateBlocks(GenerateBlocksRequest)
+    returns (GenerateBlocksResponse);
   rpc GetBlockHeaderInfo(GetBlockHeaderInfoRequest)
     returns (GetBlockHeaderInfoResponse);
   rpc GetBlockInfo(GetBlockInfoRequest) returns (GetBlockInfoResponse);
   rpc GetBmmHStarCommitments(GetBmmHStarCommitmentsRequest)
     returns (GetBmmHStarCommitmentsResponse);
   rpc GetChainTip(GetChainTipRequest) returns (GetChainTipResponse);
+  rpc GetTwoWayPegData(GetTwoWayPegDataRequest)
+    returns (GetTwoWayPegDataResponse);
   rpc SubscribeEvents(SubscribeEventsRequest) returns (stream EventResponse);
 }
 
+message BroadcastWithdrawalBundleRequest {
+  uint32 sidechain_id = 1;
+  bytes transaction = 2;
+}
+message BroadcastWithdrawalBundleResponse {
+}
+
+message CreateBmmCriticalDataTransactionRequest {
+  uint32 sidechain_id = 1;
+  uint64 value_sats = 2;
+  uint32 height = 3;
+  bytes critical_hash = 4;
+  bytes prev_bytes = 5;
+}
+message CreateBmmCriticalDataTransactionResponse {
+  bytes txid = 1;
+}
+
+message GenerateBlocksRequest {
+  uint32 blocks = 1;
+}
+message GenerateBlocksResponse {
+}
+
 message GetBlockHeaderInfoRequest {
   bytes block_hash = 1;
 }
@@ -53,6 +97,7 @@ message GetBlockHeaderInfoResponse {
 
 message GetBlockInfoRequest {
   bytes block_hash = 1;
+  uint32 sidechain_id = 2;
 }
 message GetBlockInfoResponse {
   BlockHeaderInfo header_info = 1;
@@ -64,7 +109,16 @@ message GetBmmHStarCommitmentsRequest {
   uint32 sidechain_id = 2;
 }
 message GetBmmHStarCommitmentsResponse {
-  repeated bytes commitments = 1;
+  message BlockNotFoundError {
+    bytes block_hash = 1;
+  }
+  message Commitments {
+    repeated bytes commitments = 1;
+  }
+  oneof result {
+    BlockNotFoundError block_not_found = 1;
+    Commitments commitments = 2;
+  }
 }
 
 message GetChainTipRequest {
@@ -73,7 +127,21 @@ 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 {