bridge: allow specifying skip_preflight in debug VAA submission

This allows forcibly submitting a failing VAA on-chain in cases where
the preflight check would hinder debugging.

It does not change behavior of guardiand.

Co-authored-by: Hendrik Hofstadt <hendrik@nexantic.com>
Change-Id: I63df22049ad27f659dc0638190edd20628b7a338

bridge/cmd/debug/solana.go

@@ -14,10 +14,12 @@ import (
 
 var (
 	agentRPC      *string
+	skipPreflight *bool
 )
 
 func init() {
 	agentRPC = postVaaSolanaCmd.Flags().String("agentRPC", "", "Solana agent sidecar gRPC socket path")
+	skipPreflight = postVaaSolanaCmd.Flags().Bool("skipPreflight", false, "Set skip_preflight flag on submission")
 	DebugCmd.AddCommand(postVaaSolanaCmd)
 }
 
@@ -32,7 +34,7 @@ var postVaaSolanaCmd = &cobra.Command{
 		}
 		supervisor.New(context.Background(), logger, func(ctx context.Context) error {
 			if err := supervisor.Run(ctx, "solvaa",
-				solana.NewSolanaVAASubmitter(*agentRPC, vaaQueue).Run); err != nil {
+				solana.NewSolanaVAASubmitter(*agentRPC, vaaQueue, *skipPreflight).Run); err != nil {
 				return err
 			}
 

bridge/cmd/guardiand/bridge.go

@@ -410,7 +410,7 @@ func runBridge(cmd *cobra.Command, args []string) {
 		}
 
 		if err := supervisor.Run(ctx, "solvaa",
-			solana.NewSolanaVAASubmitter(*agentRPC, solanaVaaC).Run); err != nil {
+			solana.NewSolanaVAASubmitter(*agentRPC, solanaVaaC, false).Run); err != nil {
 			return err
 		}
 

bridge/pkg/solana/submitter.go

@@ -44,11 +44,12 @@ type (
 	SolanaVAASubmitter struct {
 		url           string
 		vaaChan       chan *vaa.VAA
+		skipPreflight bool
 	}
 )
 
-func NewSolanaVAASubmitter(url string, vaaQueue chan *vaa.VAA) *SolanaVAASubmitter {
-	return &SolanaVAASubmitter{url: url, vaaChan: vaaQueue}
+func NewSolanaVAASubmitter(url string, vaaQueue chan *vaa.VAA, skipPreflight bool) *SolanaVAASubmitter {
+	return &SolanaVAASubmitter{url: url, vaaChan: vaaQueue, skipPreflight: skipPreflight}
 }
 
 func (e *SolanaVAASubmitter) Run(ctx context.Context) error {
@@ -112,7 +113,7 @@ func (e *SolanaVAASubmitter) Run(ctx context.Context) error {
 				h := hex.EncodeToString(m.Bytes())
 
 				timeout, cancel := context.WithTimeout(ctx, 120*time.Second)
-				res, err := c.SubmitVAA(timeout, &agentv1.SubmitVAARequest{Vaa: vaaBytes})
+				res, err := c.SubmitVAA(timeout, &agentv1.SubmitVAARequest{Vaa: vaaBytes, SkipPreflight: e.skipPreflight})
 				cancel()
 				if err != nil {
 					st, ok := status.FromError(err)

proto/agent/v1/service.proto

@@ -16,6 +16,7 @@ message Empty {
 
 message SubmitVAARequest {
   bytes vaa = 1;
+  bool skip_preflight = 2;
 }
 
 message SubmitVAAResponse {

solana/agent/src/main.rs

@@ -92,7 +92,7 @@ impl Agent for AgentImpl {
             };
 
             for mut tx in verify_txs {
-                match sign_and_send(&rpc, &mut tx, vec![&key]) {
+                match sign_and_send(&rpc, &mut tx, vec![&key], request.skip_preflight) {
                     Ok(_) => (),
                     Err(e) => {
                         return Err(Status::new(
@@ -104,7 +104,7 @@ impl Agent for AgentImpl {
             }
 
             let mut transaction2 = Transaction::new_with_payer(&[ix], Some(&key.pubkey()));
-            match sign_and_send(&rpc, &mut transaction2, vec![&key]) {
+            match sign_and_send(&rpc, &mut transaction2, vec![&key], request.skip_preflight) {
                 Ok(s) => Ok(Response::new(SubmitVaaResponse {
                     signature: s.to_string(),
                 })),
@@ -285,6 +285,7 @@ fn sign_and_send(
     rpc: &RpcClient,
     tx: &mut Transaction,
     keys: Vec<&Keypair>,
+    skip_preflight: bool,
 ) -> Result<Signature, ClientError> {
     let (recent_blockhash, _fee_calculator) = rpc.get_recent_blockhash()?;
 
@@ -296,7 +297,7 @@ fn sign_and_send(
             commitment: CommitmentLevel::Processed,
         },
         RpcSendTransactionConfig {
-            skip_preflight: false,
+            skip_preflight,
             preflight_commitment: Some(CommitmentLevel::Processed),
             encoding: None,
         },