diff --git a/.github/workflows/build-short.yml b/.github/workflows/build-short.yml
index b11b76e..022f8db 100644
--- a/.github/workflows/build-short.yml
+++ b/.github/workflows/build-short.yml
@@ -1,7 +1,7 @@
 name: 'Build and Test Hub'
 
-on: ["push", "pull_request"]
-
+on:
+  push:
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index 0c9f67b..4161f35 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -513,7 +513,7 @@ type HashXHistoryKey struct {
 }
 
 type HashXHistoryValue struct {
-	TxNums []uint32 `struct:"lsb" struct-while:"!_eof" json:"tx_nums"`
+	HashXes []uint16 `struct-while:"!_eof" json:"hashxes"`
 }
 
 func (k *HashXHistoryKey) String() string {
@@ -538,10 +538,10 @@ func (k *HashXHistoryKey) PackKey() []byte {
 }
 
 func (v *HashXHistoryValue) PackValue() []byte {
-	n := len(v.TxNums)
-	value := make([]byte, n*4)
-	for i, x := range v.TxNums {
-		binary.LittleEndian.PutUint32(value[i*4:], x)
+	n := len(v.HashXes)
+	value := make([]byte, n*2)
+	for i, x := range v.HashXes {
+		binary.BigEndian.PutUint16(value[i*2:], x)
 	}
 
 	return value
@@ -600,13 +600,13 @@ func HashXHistoryKeyUnpack(key []byte) *HashXHistoryKey {
 }
 
 func HashXHistoryValueUnpack(value []byte) *HashXHistoryValue {
-	n := len(value) / 4
-	txnums := make([]uint32, n)
+	n := len(value) / 2
+	hashxes := make([]uint16, n)
 	for i := 0; i < n; i++ {
-		txnums[i] = binary.LittleEndian.Uint32(value[i*4:])
+		hashxes[i] = binary.BigEndian.Uint16(value[i*2:])
 	}
 	return &HashXHistoryValue{
-		TxNums: txnums,
+		HashXes: hashxes,
 	}
 }
 
diff --git a/go.mod b/go.mod
index b64240a..2db271e 100644
--- a/go.mod
+++ b/go.mod
@@ -14,6 +14,7 @@ require (
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/sirupsen/logrus v1.8.1
+	golang.org/x/exp v0.0.0-20220907003533-145caa8ea1d0
 	golang.org/x/text v0.3.7
 	google.golang.org/grpc v1.46.0
 	google.golang.org/protobuf v1.27.1
@@ -38,7 +39,7 @@ require (
 	github.com/stretchr/testify v1.7.0 // indirect
 	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
 	google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
diff --git a/go.sum b/go.sum
index de3ce9d..d52f4a5 100644
--- a/go.sum
+++ b/go.sum
@@ -638,6 +638,8 @@ golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm0
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
 golang.org/x/exp v0.0.0-20200513190911-00229845015e/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
 golang.org/x/exp v0.0.0-20211123021643-48cbe7f80d7c/go.mod h1:b9TAUYHmRtqA6klRHApnXMnj+OyLce4yF5cZCUbk2ps=
+golang.org/x/exp v0.0.0-20220907003533-145caa8ea1d0 h1:17k44ji3KFYG94XS5QEFC8pyuOlMh3IoR+vkmTZmJJs=
+golang.org/x/exp v0.0.0-20220907003533-145caa8ea1d0/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -764,6 +766,8 @@ golang.org/x/sys v0.0.0-20210909193231-528a39cd75f3/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab h1:rfJ1bsoJQQIAoAxTxB7bme+vHrNkRw8CqfsYh9w54cw=
 golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=