From 4e114333257c24d85680082a978f20d43a344d54 Mon Sep 17 00:00:00 2001
From: Jonathan Moody <103143855+moodyjon@users.noreply.github.com>
Date: Fri, 26 Aug 2022 10:18:01 -0400
Subject: [PATCH 1/2] Payload of HashXHistoryValue should be an array of uint32
 representing "txnums".

---
 db/prefixes/prefixes.go | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index 4161f35..eee6495 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -513,7 +513,7 @@ type HashXHistoryKey struct {
 }
 
 type HashXHistoryValue struct {
-	HashXes []uint16 `struct-while:"!_eof" json:"hashxes"`
+	TxNums []uint32 `struct-while:"!_eof" json:"tx_nums"`
 }
 
 func (k *HashXHistoryKey) String() string {
@@ -538,10 +538,10 @@ func (k *HashXHistoryKey) PackKey() []byte {
 }
 
 func (v *HashXHistoryValue) PackValue() []byte {
-	n := len(v.HashXes)
-	value := make([]byte, n*2)
-	for i, x := range v.HashXes {
-		binary.BigEndian.PutUint16(value[i*2:], x)
+	n := len(v.TxNums)
+	value := make([]byte, n*4)
+	for i, x := range v.TxNums {
+		binary.BigEndian.PutUint32(value[i*4:], x)
 	}
 
 	return value
@@ -600,13 +600,13 @@ func HashXHistoryKeyUnpack(key []byte) *HashXHistoryKey {
 }
 
 func HashXHistoryValueUnpack(value []byte) *HashXHistoryValue {
-	n := len(value) / 2
-	hashxes := make([]uint16, n)
+	n := len(value) / 4
+	txnums := make([]uint32, n)
 	for i := 0; i < n; i++ {
-		hashxes[i] = binary.BigEndian.Uint16(value[i*2:])
+		txnums[i] = binary.BigEndian.Uint32(value[i*4:])
 	}
 	return &HashXHistoryValue{
-		HashXes: hashxes,
+		TxNums: txnums,
 	}
 }
 

From e46ac7c913d684d59950b28d91b737f77fef4814 Mon Sep 17 00:00:00 2001
From: Jonathan Moody <103143855+moodyjon@users.noreply.github.com>
Date: Thu, 1 Sep 2022 12:58:41 -0500
Subject: [PATCH 2/2] HashXHistoryValue TxNums are unique in that they are
 little-endian (at least when written by Python scribe on ARM64 Mac or x86).

---
 db/prefixes/prefixes.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index eee6495..b6d4a7d 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -541,7 +541,7 @@ func (v *HashXHistoryValue) PackValue() []byte {
 	n := len(v.TxNums)
 	value := make([]byte, n*4)
 	for i, x := range v.TxNums {
-		binary.BigEndian.PutUint32(value[i*4:], x)
+		binary.LittleEndian.PutUint32(value[i*4:], x)
 	}
 
 	return value
@@ -603,7 +603,7 @@ func HashXHistoryValueUnpack(value []byte) *HashXHistoryValue {
 	n := len(value) / 4
 	txnums := make([]uint32, n)
 	for i := 0; i < n; i++ {
-		txnums[i] = binary.BigEndian.Uint32(value[i*4:])
+		txnums[i] = binary.LittleEndian.Uint32(value[i*4:])
 	}
 	return &HashXHistoryValue{
 		TxNums: txnums,