From d6d66b37dd3d3f8e657f444498b21b12ee7b756b Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Sun, 27 Feb 2022 16:41:26 +0100
Subject: [PATCH] chore: add rate limit message (#971)

---
 ethers-contract/ethers-contract-abigen/src/source.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ethers-contract/ethers-contract-abigen/src/source.rs b/ethers-contract/ethers-contract-abigen/src/source.rs
index a3fc1819..346a4b94 100644
--- a/ethers-contract/ethers-contract-abigen/src/source.rs
+++ b/ethers-contract/ethers-contract-abigen/src/source.rs
@@ -279,6 +279,12 @@ fn get_etherscan_contract(address: Address, domain: &str) -> Result<String> {
     if abi.starts_with("Contract source code not verified") {
         eyre::bail!("Contract source code not verified: {:?}", address);
     }
+    if abi.starts_with('{') && abi.contains("Max rate limit reached") {
+        eyre::bail!(
+            "Max rate limit reached, please use etherscan API Key for higher rate limit: {:?}",
+            address
+        );
+    }
 
     Ok(abi)
 }