cmd/guardiand: fix governance VAA serialization

And add some extra debug logging for governance-vaa-verify.

commit-id:10deaff4

node/cmd/guardiand/adminserver.go

@@ -90,7 +90,7 @@ func adminContractUpgradeToVAA(req *nodev1.ContractUpgrade, guardianSetIndex uin
 	}
 
 	newContractAddress := vaa.Address{}
-	copy(newContractAddress[:], req.NewContract)
+	copy(newContractAddress[:], b)
 
 	v := vaa.CreateGovernanceVAA(nonce, sequence, guardianSetIndex,
 		vaa.BodyContractUpgrade{

node/cmd/guardiand/adminverify.go

@@ -1,6 +1,7 @@
 package guardiand
 
 import (
+	"encoding/hex"
 	"fmt"
 	"github.com/certusone/wormhole/node/pkg/vaa"
 	"io/ioutil"
@@ -59,6 +60,13 @@ func runGovernanceVAAVerify(cmd *cobra.Command, args []string) {
 			panic(err)
 		}
 
+		b, err := v.Marshal()
+		if err != nil {
+			panic(err)
+		}
+
+		log.Printf("Serialized: %v", hex.EncodeToString(b))
+
 		log.Printf("VAA with digest %s: %+v", digest.Hex(), spew.Sdump(v))
 	}
 }