From ac5b4cdf8a8b47255af56ac3585212ee42e91ed9 Mon Sep 17 00:00:00 2001
From: Dev Bear <itsdevbear@gmail.com>
Date: Thu, 8 May 2025 12:14:05 -0400
Subject: [PATCH] bet

---
 crates/freeze/src/datasets/erc20_transfers.rs  | 2 +-
 crates/freeze/src/types/chunks/number_chunk.rs | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/crates/freeze/src/datasets/erc20_transfers.rs b/crates/freeze/src/datasets/erc20_transfers.rs
index 6881266b..da83f96b 100644
--- a/crates/freeze/src/datasets/erc20_transfers.rs
+++ b/crates/freeze/src/datasets/erc20_transfers.rs
@@ -101,7 +101,7 @@ impl CollectByTransaction for Erc20Transfers {
 fn is_erc20_transfer(log: &Log) -> bool {
     log.topics().len() == 3 &&
         log.data().data.len() == 32 &&
-        log.topics()[0] == ERC20::Approval::SIGNATURE_HASH
+        log.topics()[0] == ERC20::Transfer::SIGNATURE_HASH
 }
 
 /// process block into columns
diff --git a/crates/freeze/src/types/chunks/number_chunk.rs b/crates/freeze/src/types/chunks/number_chunk.rs
index bb68d1f4..87e08cd5 100644
--- a/crates/freeze/src/types/chunks/number_chunk.rs
+++ b/crates/freeze/src/types/chunks/number_chunk.rs
@@ -74,6 +74,11 @@ impl NumberChunk {
 
     /// align boundaries of chunk to clean boundaries
     pub fn align(self, chunk_size: u64) -> Option<NumberChunk> {
+        if chunk_size == 0 {
+            // Cannot align with a chunk_size of 0, return None or self based on desired behavior.
+            // Returning None seems appropriate as alignment isn't possible.
+            return None;
+        }
         match self {
             NumberChunk::Numbers(numbers) => Some(NumberChunk::Numbers(numbers)),
             NumberChunk::Range(start, end) => {