dex: remove duplicate declaration of WitnessData (#92)

Remove duplicate declaration of WitnessData and remove the TxHash field
in witness data since it does not need to be witnessed.

1 files changed, 1 insertions, 5 deletions

diff --git a/dex/app_test.go b/dex/app_test.go
index abe83b92a..82bf8a6f6 100644
--- a/dex/app_test.go
+++ b/dex/app_test.go
@@ -115,16 +115,12 @@ func TestPrepareWitness(t *testing.T) {
 		t.Errorf("unexpeted witness height %v", witness.Height)
 	}
 
-	var witnessData witnessData
+	var witnessData types.WitnessData
 	err = rlp.DecodeBytes(witness.Data, &witnessData)
 	if err != nil {
 		t.Errorf("rlp decode error: %v", err)
 	}
 
-	if witnessData.TxHash != currentBlock.TxHash() {
-		t.Errorf("expect tx hash %v but %v", currentBlock.TxHash(), witnessData.TxHash)
-	}
-
 	if witnessData.Root != currentBlock.Root() {
 		t.Errorf("expect root %v but %v", currentBlock.Root(), witnessData.Root)
 	}