Revert "fix goimports error"

This reverts commit 30d17a77fd.

crypto/vrf/bls/bls_vrf.go

@@ -4,7 +4,6 @@ import (
 	"crypto"
 	"crypto/sha256"
 	"errors"
-
 	"github.com/harmony-one/bls/ffi/go/bls"
 	"github.com/harmony-one/harmony/crypto/vrf"
 )
@@ -53,6 +52,7 @@ func NewVRFSigner(seck *bls.SecretKey) vrf.PrivateKey {
 	return &PrivateKey{seck}
 }
 
+
 // Evaluate returns the verifiable unpredictable function evaluated using alpha
 // verifiable unpredictable function using BLS
 // reference:  https://tools.ietf.org/html/draft-goldbe-vrf-01
@@ -95,4 +95,4 @@ func (pk *PublicKey) ProofToHash(alpha, pi []byte) ([32]byte, error) {
 	}
 
 	return sha256.Sum256(pi), nil
-}
+}

crypto/vrf/bls/bls_vrf_test.go

@@ -24,7 +24,7 @@ func TestVRF1(t *testing.T) {
 	}
 
 	if hash != vrf {
-		t.Errorf("error hash doesn't match")
+		t.Errorf("error hash doesn't match");
 	}
 }
 
@@ -65,6 +65,7 @@ func TestVRF2(t *testing.T) {
 	}
 }
 
+
 func TestRightTruncateProof(t *testing.T) {
 	blsSk := bls.RandPrivateKey()
 

go.mod

@@ -0,0 +1,62 @@
+module github.com/harmony-one/harmony
+
+go 1.12
+
+require (
+	github.com/StackExchange/wmi v0.0.0-20181212234831-e0a55b97c705 // indirect
+	github.com/Workiva/go-datastructures v1.0.50
+	github.com/allegro/bigcache v1.2.0 // indirect
+	github.com/aristanetworks/goarista v0.0.0-20190308231643-e9fb69a13f45 // indirect
+	github.com/btcsuite/btcutil v0.0.0-20190207003914-4c204d697803
+	github.com/cespare/cp v1.1.1
+	github.com/davecgh/go-spew v1.1.1
+	github.com/deckarep/golang-set v1.7.1
+	github.com/edsrzf/mmap-go v1.0.0 // indirect
+	github.com/ethereum/go-ethereum v1.8.27
+	github.com/fjl/memsize v0.0.0-20180929194037-2a09253e352a
+	github.com/garslo/gogen v0.0.0-20170307003452-d6ebae628c7c // indirect
+	github.com/go-ole/go-ole v1.2.4 // indirect
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/golang/mock v1.2.0
+	github.com/golang/protobuf v1.3.0
+	github.com/golangci/golangci-lint v1.16.1-0.20190402065613-de1d1ad903cd
+	github.com/gorilla/handlers v1.4.0
+	github.com/gorilla/mux v1.7.0
+	github.com/harmony-ek/gencodec v0.0.0-20190215044613-e6740dbdd846
+	github.com/harmony-one/bls v0.0.1
+	github.com/hashicorp/golang-lru v0.5.1
+	github.com/iancoleman/strcase v0.0.0-20190422225806-e506e3ef7365
+	github.com/ipfs/go-datastore v0.0.1
+	github.com/ipfs/go-log v0.0.1
+	github.com/karalabe/hid v0.0.0-20181128192157-d815e0c1a2e2 // indirect
+	github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 // indirect
+	github.com/libp2p/go-libp2p v0.0.2
+	github.com/libp2p/go-libp2p-crypto v0.0.1
+	github.com/libp2p/go-libp2p-discovery v0.0.1
+	github.com/libp2p/go-libp2p-host v0.0.1
+	github.com/libp2p/go-libp2p-kad-dht v0.0.4
+	github.com/libp2p/go-libp2p-net v0.0.1
+	github.com/libp2p/go-libp2p-peer v0.0.1
+	github.com/libp2p/go-libp2p-peerstore v0.0.1
+	github.com/libp2p/go-libp2p-pubsub v0.0.1
+	github.com/multiformats/go-multiaddr v0.0.2
+	github.com/multiformats/go-multiaddr-net v0.0.1
+	github.com/pborman/uuid v1.2.0
+	github.com/pkg/errors v0.8.1
+	github.com/rjeczalik/notify v0.9.2
+	github.com/rs/cors v1.6.0 // indirect
+	github.com/shirou/gopsutil v2.18.12+incompatible
+	github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a // indirect
+	github.com/stretchr/testify v1.3.0
+	github.com/syndtr/goleveldb v1.0.0
+	github.com/tendermint/tendermint v0.31.7
+	github.com/whyrusleeping/go-logging v0.0.0-20170515211332-0457bb6b88fc
+	golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a
+	golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3
+	golang.org/x/tools v0.0.0-20190328211700-ab21143f2384
+	google.golang.org/grpc v1.19.0
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127
+	gopkg.in/ini.v1 v1.42.0
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+	gopkg.in/urfave/cli.v1 v1.20.0 // indirect
+)