fix test

Makefile

 CHAIN33=gitlab.33.cn/chain33/chain33
 MKPATH=$(abspath $(lastword $(MAKEFILE_LIST)))
 MKDIR=$(dir $(MKPATH))
+PKG_LIST := `go list ./... | grep -v "vendor" | grep -v "chain33/test" | grep -v "mocks" | grep -v "pbft"`
 
 all: build
 
@@ -34,3 +35,7 @@ clean:
 	@rm -rf plugin/dapp/init
 	@rm -rf plugin/crypto/init
 	@rm -rf plugin/store/init
+
+test: ## Run unittests
+	@go test -race $(PKG_LIST)
+

plugin/dapp/relay/cmd/relayd/relayd/btcd.go

@@ -387,7 +387,7 @@ func (b *btcdClient) GetBlockHeader(height uint64) (*ty.BtcHeader, error) {
 
 	h := &ty.BtcHeader{
 		Hash:          header.Hash,
-		Confirmations: header.Confirmations,
+		Confirmations: uint64(header.Confirmations),
 		Height:        uint64(header.Height),
 		MerkleRoot:    header.MerkleRoot,
 		Time:          header.Time,