From fe27fc397f76bca53d817b8420781217e3f903bd Mon Sep 17 00:00:00 2001
From: Florian Pellissier <111426680+flopell@users.noreply.github.com>
Date: Wed, 19 Jun 2024 10:00:28 +0200
Subject: [PATCH] refactor: filter out empty tokens in address_map function

---
 substreams/ethereum-curve/src/pool_factories.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/substreams/ethereum-curve/src/pool_factories.rs b/substreams/ethereum-curve/src/pool_factories.rs
index d58dc54..0233b5b 100644
--- a/substreams/ethereum-curve/src/pool_factories.rs
+++ b/substreams/ethereum-curve/src/pool_factories.rs
@@ -566,7 +566,11 @@ pub fn address_map(
                         hash: tx.hash.clone(),
                         index: tx.index.into(),
                     }),
-                    tokens: pool_added.coins.into(),
+                    tokens: pool_added
+                        .coins
+                        .into_iter()
+                        .filter(|token| *token != [0; 20])
+                        .collect(),
                     contracts: vec![component_id.into()],
                     static_att: vec![
                         Attribute {