Merge pull request #24 from grassrootseconomics/williamluke4/ignore-celo-tx

Exclude CELO token transfers from graph data

Author: williamluke4

config/constants.ts

@@ -5,6 +5,9 @@
 // External addresses
 export const FAUCET_ADDRESS = "0x5523058cdFfe5F3c1EaDADD5015E55C6E00fb439";
 
+// CELO native token (ERC20) contract on Celo mainnet — excluded from graph data
+export const CELO_TOKEN_ADDRESS = "0x471EcE3750Da237f93B8E339c536989b8978a438";
+
 // External URLs
 export const CELOSCAN_BASE_URL = "https://celoscan.io";
 export const SARAFU_NETWORK_BASE_URL = "https://sarafu.network";

config/index.ts

@@ -5,6 +5,7 @@
 // Application constants
 export {
   FAUCET_ADDRESS,
+  CELO_TOKEN_ADDRESS,
   CELOSCAN_BASE_URL,
   SARAFU_NETWORK_BASE_URL,
   TWO_MONTHS_MS,

lib/api/queries/transactions.ts

@@ -3,7 +3,11 @@
  */
 
 import { federatedDB } from "@db/db";
-import { FAUCET_ADDRESS, ONE_YEAR_MS } from "@/config/constants";
+import {
+  CELO_TOKEN_ADDRESS,
+  FAUCET_ADDRESS,
+  ONE_YEAR_MS,
+} from "@/config/constants";
 
 /**
  * Fetch transactions from the database
@@ -31,6 +35,11 @@ export function fetchTransactions() {
     .where("chain_data.tx.success", "=", true)
     .where("chain_data.token_transfer.sender_address", "!=", FAUCET_ADDRESS)
     .where("chain_data.token_transfer.recipient_address", "!=", FAUCET_ADDRESS)
+    .where(
+      "chain_data.token_transfer.contract_address",
+      "!=",
+      CELO_TOKEN_ADDRESS
+    )
     .where(
       "chain_data.tx.date_block",
       ">=",