build tx

diff --git a/federation/warder.go b/federation/warder.go
index 59e761a..97e4543 100644 (file)
--- a/federation/warder.go
+++ b/federation/warder.go
@@ -37,10 +37,6 @@ func (w *warder) Run() {
        }
 }
 
-func (w *warder) proposeDestTx(tx *orm.CrossTransaction) error {
-       return nil
-}
-
 func (w *warder) validateTx(tx *orm.CrossTransaction) error {
        if tx.Status != common.CrossTxPendingStatus {
                return errors.New("cross-chain tx already proposed")
@@ -57,3 +53,17 @@ func (w *warder) validateTx(tx *orm.CrossTransaction) error {
 
        return nil
 }
+
+func (w *warder) proposeDestTx(tx *orm.CrossTransaction) error {
+       switch tx.Chain.Name {
+       case "bytom":
+               return w.buildSidechainTx(tx)
+       case "vapor":
+               return w.buildMainchainTx(tx)
+       default:
+               return errors.New("unknown source chain")
+       }
+}
+
+func (w *warder) buildSidechainTx(tx *orm.CrossTransaction) error {}
+func (w *warder) buildMainchainTx(tx *orm.CrossTransaction) error {}