From 057ef8c1c4683a352971d440041710f62cf01c2a Mon Sep 17 00:00:00 2001
From: Yaroslav Bolyukin <iam@lach.pw>
Date: Fri, 14 May 2021 13:00:02 +0000
Subject: [PATCH] fix: fungible amount is not indexed


---
--- a/pallets/nft/src/eth/mod.rs
+++ b/pallets/nft/src/eth/mod.rs
@@ -263,9 +263,9 @@
 pub const APPROVAL_NFT_TOPIC: H256 = H256(hex_literal::hex!("8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925"));
 // TODO: event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
 
-/// event Transfer(address indexed from, address indexed to, uint256 indexed amount);
+/// event Transfer(address indexed from, address indexed to, uint256 amount);
 pub const TRANSFER_FUNGIBLE_TOPIC: H256 = H256(hex_literal::hex!("ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"));
-/// event Approval(address indexed owner, address indexed approved, uint256 indexed amount);
+/// event Approval(address indexed owner, address indexed approved, uint256 amount);
 pub const APPROVAL_FUNGIBLE_TOPIC: H256 = H256(hex_literal::hex!("8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925"));
 
 pub fn address_to_topic(address: &H160) -> H256 {
@@ -274,6 +274,12 @@
 	H256(output)
 }
 
+pub fn u32_to_topic(id: u32) -> H256 {
+	let mut output = [0; 32];
+	output[28..32].copy_from_slice(&id.to_be_bytes());
+	H256(output)
+}
+
 
 // TODO: This function is slow, and output can be memoized
 pub fn generate_transaction(collection_id: u32, chain_id: u64) -> ethereum::Transaction {

-- 
gitstuff