get-burns.js

get-burns.js

import fetch from 'node-fetch';
import ObjectsToCsv from 'objects-to-csv';
import path from 'path';

const getBurns = async(objktId) => {
    const response = await fetch(
        `https://api.tzkt.io/v1/operations/transactions?target=KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton&entrypoint=transfer&status=applied&limit=10000&parameter.[0].txs.[0].token_id=${objktId}&parameter.[0].txs.[0].to_=tz1burnburnburnburnburnburnburjAYjjX&select=id,hash,parameter`);
    const data = await response.json();
    let i = 1;
    return data.reduce((arr, d) => {
        for(const row of d.parameter.value) {
            for(const burn of row.txs) {
                if(Number(burn.token_id) === objktId) {
                    for(let j = 0; j < burn.amount; j++) {
                        arr.push({seed: `${d.hash}${j > 0 ? `_${1 + j}` : ''}`, walletId: row.from_, edition: i});
                        i++;
                    }
                }
            }
        }
        return arr;
    }, []);
};

const burns = await getBurns(103271); // Replace with the burn objkt id
await new ObjectsToCsv(burns).toDisk(path.join('csv', `burns.csv`));

console.log(burns.slice(-30));
console.log('BURNS:', burns.length);