OFAC Polygon List

ofac.js

// Never thought I'd have to, I'm sorry Elyx from the past

const ethers = require('ethers');


const RPC = "https://polygon.llamarpc.com";

const provider = new ethers.providers.JsonRpcProvider(RPC);


const interface = new ethers.utils.Interface([
    "event SanctionedAddressesAdded(address[] addrs)",
    "event SanctionedAddressesRemoved(address[] addrs)"
]);

const ofacCreatedBlock = 25790842;

const OFAC_POLYGON = "0x40c57923924b5c5c5455c48d93317139addac8fb";

const OFAC_CONTRACT = new ethers.Contract(OFAC_POLYGON, interface, provider);


const SANCTIONNED_TOPIC = interface.getEventTopic(interface.events["SanctionedAddressesAdded(address[])"]);
const UNSANCTIONNED_TOPIC = interface.getEventTopic(interface.events["SanctionedAddressesRemoved(address[])"]);


const eventFilter = {};

const OFAC_LIST = {};

async function main() {
    const results = await OFAC_CONTRACT.queryFilter(eventFilter,ofacCreatedBlock);
    console.log(results);
    for (const result of results) {
        if (result.topics.includes(SANCTIONNED_TOPIC)) {
            console.log(result.blockHash, 'block added sanctions');
            result.decode(result.data,result.topics).forEach(k => {
                OFAC_LIST[k] = true;
            });
        }
        if (result.topics.includes(UNSANCTIONNED_TOPIC)) {
            console.log(result.blockHash, 'block removed sanctions');
            result.decode(result.data,result.topics).forEach(k => {
                OFAC_LIST[k] = false;
            });
        }
    }
    const filtered_list = Object.keys(OFAC_LIST).filter(k => OFAC_LIST[k]);
    console.log(filtered_list);
}

main().catch(err => console.error(err));