Add the pruning point proof to the wire package.

infrastructure/network/netadapter/server/grpcserver/protowire/messages.proto

@@ -44,6 +44,8 @@ message KaspadMessage {
     RequestHeadersMessage requestHeaders = 45;
     RequestBlockLocatorMessage requestBlockLocator = 46;
     PruningPointsMessage pruningPoints = 47;
+    RequestPruningPointProofMessage requestPruningPointProof = 48;
+    PruningPointProofMessage pruningPointProof = 49;
 
     GetCurrentNetworkRequestMessage getCurrentNetworkRequest = 1001;
     GetCurrentNetworkResponseMessage getCurrentNetworkResponse = 1002;

infrastructure/network/netadapter/server/grpcserver/protowire/p2p.proto

@@ -248,4 +248,11 @@ message BlockBlueWorkMessage {
 
 message PruningPointsMessage {
   repeated BlockHeader headers = 1;
-}
+}
+
+message RequestPruningPointProofMessage {
+}
+
+message PruningPointProofMessage {
+  repeated BlockHeader headers = 1;
+}

infrastructure/network/netadapter/server/grpcserver/protowire/p2p_pruning_point_proof.go

@@ -0,0 +1,44 @@
+package protowire
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/pkg/errors"
+)
+
+func (x *KaspadMessage_PruningPointProof) toAppMessage() (appmessage.Message, error) {
+	if x == nil {
+		return nil, errors.Wrapf(errorNil, "KaspadMessage_PruningPointProof is nil")
+	}
+
+	if x.PruningPointProof == nil {
+		return nil, errors.Wrapf(errorNil, "x.PruningPointProof is nil")
+	}
+
+	blockHeaders := make([]*appmessage.MsgBlockHeader, len(x.PruningPointProof.Headers))
+	for i, blockHeader := range x.PruningPointProof.Headers {
+		var err error
+		blockHeaders[i], err = blockHeader.toAppMessage()
+		if err != nil {
+			return nil, err
+		}
+	}
+	return &appmessage.MsgPruningPointProof{
+		Headers: blockHeaders,
+	}, nil
+}
+
+func (x *KaspadMessage_PruningPointProof) fromAppMessage(msgPruningPointProof *appmessage.MsgPruningPointProof) error {
+	blockHeaders := make([]*BlockHeader, len(msgPruningPointProof.Headers))
+	for i, blockHeader := range msgPruningPointProof.Headers {
+		blockHeaders[i] = &BlockHeader{}
+		err := blockHeaders[i].fromAppMessage(blockHeader)
+		if err != nil {
+			return err
+		}
+	}
+
+	x.PruningPointProof = &PruningPointProofMessage{
+		Headers: blockHeaders,
+	}
+	return nil
+}