core, dex/downloader: polish headers verification and blocks insertion logic (#168)

Refactor GenerateDexonChain function, move governance tx logic to
the user of GenerateDexonChain (testchain_test.go) and move fake node set
code to FakeDexcon.

1 files changed, 2 insertions, 2 deletions

diff --git a/core/blockchain_test.go b/core/blockchain_test.go
index 967d0d3c5..1f5197002 100644
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@@ -1729,7 +1729,7 @@ func TestProcessBlock(t *testing.T) {
 		Height: processNum + 1,
 		Data:   witnessDataBytes,
 	})
-	if err == nil || !strings.Contains(err.Error(), "can not find block") {
+	if err != consensus.ErrWitnessMismatch {
 		t.Fatalf("not expected fail: %v", err)
 	}
 
@@ -1748,7 +1748,7 @@ func TestProcessBlock(t *testing.T) {
 		Height: processNum - 1,
 		Data:   witnessDataBytes,
 	})
-	if err == nil || !strings.Contains(err.Error(), "invalid witness block") {
+	if err != consensus.ErrWitnessMismatch {
 		t.Fatalf("not expected fail: %v", err)
 	}