Fix swap cancellation txn

Author: jeffyanta

pkg/code/async/swap/util.go

@@ -374,10 +374,10 @@ func (p *service) getCancellationTransaction(ctx context.Context, record *swap.R
 
 	txn := solana.NewLegacyTransaction(
 		common.GetSubsidizer().PublicKey().ToBytes(),
+		system.AdvanceNonce(nonce.PublicKey().ToBytes(), common.GetSubsidizer().PublicKey().ToBytes()),
 		compute_budget.SetComputeUnitLimit(200_000), // todo: optimize this
 		compute_budget.SetComputeUnitPrice(1_000),
 		memo.Instruction("cancel_swap_v0"),
-		system.AdvanceNonce(nonce.PublicKey().ToBytes(), common.GetSubsidizer().PublicKey().ToBytes()),
 		cvm.NewCancelSwapInstruction(
 			&cvm.CancelSwapInstructionAccounts{
 				VmAuthority: sourceVmConfig.Authority.PublicKey().ToBytes(),

pkg/solana/transaction.go

@@ -302,6 +302,7 @@ func (t *Transaction) String() string {
 	sb.WriteString(fmt.Sprintf("    NumSignatures: %d\n", t.Message.Header.NumSignatures))
 	sb.WriteString(fmt.Sprintf("    NumReadOnly: %d\n", t.Message.Header.NumReadOnly))
 	sb.WriteString(fmt.Sprintf("    NumReadOnlySigned: %d\n", t.Message.Header.NumReadonlySigned))
+	sb.WriteString(fmt.Sprintf("  Blockhash: %s\n", base58.Encode(t.Message.RecentBlockhash[:])))
 	sb.WriteString("  Accounts:\n")
 	for i, a := range t.Message.Accounts {
 		sb.WriteString(fmt.Sprintf("    %d: %s\n", i, base58.Encode(a)))