From ef72ca7ff439c596702cd78bc1b74fca7fb99c6c Mon Sep 17 00:00:00 2001
From: Pia <gayeongparkk@gmail.com>
Date: Fri, 26 Jul 2024 11:42:50 -0400
Subject: [PATCH] hotfix: hex string to mmr id

---
 crates/primitives/src/block/header.rs        |  8 ++++----
 crates/primitives/src/processed_types/mmr.rs | 15 ++-------------
 crates/primitives/src/utils.rs               | 11 +++++++++++
 3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/crates/primitives/src/block/header.rs b/crates/primitives/src/block/header.rs
index dc27ef9c..8426d93c 100644
--- a/crates/primitives/src/block/header.rs
+++ b/crates/primitives/src/block/header.rs
@@ -7,7 +7,7 @@ use alloy::{
 use alloy_rlp::{length_of_length, BufMut, Decodable, Encodable};
 use serde::{Deserialize, Serialize};
 
-use crate::processed_types::mmr::MMRMeta;
+use crate::{processed_types::mmr::MMRMeta, utils::hex_string_to_uint};
 
 // =============================================================================
 // Header (credit: https://github.com/paradigmxyz/reth/blob/main/crates/primitives/src/header.rs#L133)
@@ -441,7 +441,7 @@ pub struct MMRDataFromIndexer {
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct MMRMetaFromIndexer {
-    pub mmr_id: u64,
+    pub mmr_id: String,
     pub mmr_peaks: Vec<String>,
     pub mmr_root: String,
     pub mmr_size: u64,
@@ -450,7 +450,7 @@ pub struct MMRMetaFromIndexer {
 impl From<&MMRMetaFromIndexer> for MMRMeta {
     fn from(value: &MMRMetaFromIndexer) -> Self {
         Self {
-            id: value.mmr_id,
+            id: hex_string_to_uint(&value.mmr_id),
             peaks: value.mmr_peaks.clone(),
             root: value.mmr_root.to_string(),
             size: value.mmr_size,
@@ -483,7 +483,7 @@ pub struct MMRDataFromNewIndexer {
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 pub struct MMRMetaFromNewIndexer {
-    pub mmr_id: u64,
+    pub mmr_id: String,
     pub mmr_peaks: Vec<String>,
     pub mmr_root: String,
     pub mmr_size: u64,
diff --git a/crates/primitives/src/processed_types/mmr.rs b/crates/primitives/src/processed_types/mmr.rs
index 403f319e..d01cfb3b 100644
--- a/crates/primitives/src/processed_types/mmr.rs
+++ b/crates/primitives/src/processed_types/mmr.rs
@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-use crate::block::header::MMRMetaFromNewIndexer;
+use crate::{block::header::MMRMetaFromNewIndexer, utils::hex_string_to_uint};
 
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Eq, Hash)]
 pub struct MMRMeta {
@@ -22,21 +22,10 @@ impl MMRMeta {
     }
 }
 
-impl From<MMRMeta> for MMRMetaFromNewIndexer {
-    fn from(val: MMRMeta) -> Self {
-        MMRMetaFromNewIndexer {
-            mmr_id: val.id,
-            mmr_root: val.root,
-            mmr_size: val.size,
-            mmr_peaks: val.peaks,
-        }
-    }
-}
-
 impl From<MMRMetaFromNewIndexer> for MMRMeta {
     fn from(val: MMRMetaFromNewIndexer) -> Self {
         MMRMeta {
-            id: val.mmr_id,
+            id: hex_string_to_uint(&val.mmr_id),
             root: val.mmr_root,
             size: val.mmr_size,
             peaks: val.mmr_peaks,
diff --git a/crates/primitives/src/utils.rs b/crates/primitives/src/utils.rs
index fe2eddbd..1178cf9a 100644
--- a/crates/primitives/src/utils.rs
+++ b/crates/primitives/src/utils.rs
@@ -44,6 +44,11 @@ pub fn tx_index_to_tx_key(tx_index: u64) -> String {
     format!("0x{}", hex::encode(binding))
 }
 
+pub fn hex_string_to_uint(hex_string: &str) -> u64 {
+    let hex_string = hex_string.trim_start_matches("0x");
+    u64::from_str_radix(hex_string, 16).expect("Cannot convert hex string to uint")
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -122,4 +127,10 @@ mod tests {
 
         assert_eq!(tx_key, expected_tx_key);
     }
+    #[test]
+    fn test_hex_string_to_uint() {
+        let hex_string = "0x1b";
+        let result = hex_string_to_uint(hex_string);
+        assert_eq!(result, 27);
+    }
 }