From 65aaa4fbcec4bbaad89bb93702cf536fc2bbe270 Mon Sep 17 00:00:00 2001
From: Denis Carriere <carriere.denis@gmail.com>
Date: Fri, 3 May 2024 21:45:38 +0200
Subject: [PATCH] ignore eosio incoming transfers

---
 README.md      | 10 +++++++++-
 eosio.bpay.cpp |  2 ++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a0dc002..adcd78f 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,15 @@
 
 ## Overview
 
-The `eosio.bpay` contract handles system block pay distribution.
+The `eosio.bpay` contract handles system block pay distribution earned by fees.
+
+```mermaid
+stateDiagram-v2
+    [*] --> eosio
+    eosio --> eosio.fees
+    eosio.fees --> eosio.bpay
+    eosio.bpay --> [*]
+```
 
 ## Development and Testing
 
diff --git a/eosio.bpay.cpp b/eosio.bpay.cpp
index f735f1f..cdae137 100644
--- a/eosio.bpay.cpp
+++ b/eosio.bpay.cpp
@@ -26,6 +26,8 @@ void bpay::on_transfer( const name from, const name to, const asset quantity, co
     if (from == get_self() || to != get_self()) {
         return;
     }
+    // ignore eosio system incoming transfers (caused by bpay income transfers eosio => eosio.bpay => producer)
+    if ( from == "eosio"_n) return;
 
     check( get_first_receiver() == "eosio.token"_n, "only eosio.token allowed") ;
     check( quantity.symbol == eosio::symbol("EOS", 4), "only EOS token allowed" );