Merge pull request #95 from ava-labs/fix/mempool-limit

Limit requests
ava-labs · May 3, 2023 · cd1fb96 · cd1fb96
2 parents 7720602 + ef016f4
commit cd1fb96
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/config.json b/config.json
@@ -18,7 +18,7 @@
             "CHAINID": 43113,
             "EXPLORER": "https://testnet.snowtrace.io",
             "IMAGE": "https://glacier-api.avax.network/proxy/chain-assets/main/chains/43113/chain-logo.png",
-            "MAX_PRIORITY_FEE": "2000000000",
+            "MAX_PRIORITY_FEE": "2500000000",
             "MAX_FEE": "100000000000",
             "DRIP_AMOUNT": 2,
             "DECIMALS": 18,

diff --git a/vms/evm.ts b/vms/evm.ts
@@ -116,6 +116,12 @@ export default class EVM {
             return
         }
 
+        // do not accept any request if mempool limit reached
+        if (this.pendingTxNonces.size >= MEMPOOL_LIMIT) {
+            cb({ status: 400, message: "High faucet usage! Please try after sometime" })
+            return
+        }
+
         let amount: BN = this.DRIP_AMOUNT
 
         // If id is provided, then it is ERC20 token transfer, so update the amount