Save your Curation Rewards sorted by date to a readable JSON file using Node JS

curation-rewards.js

const { Client } = require('dsteem');
const fs = require('fs');

const client = new Client('https://api.steemit.com');

const curationReward = [];
let steemPerMvests = 0;

const getCuration = async (account, start, callback) => {
  let lastTrans = start;

  await client.database.call('get_account_history', [account, start, (start < 0) ? 5000 : Math.min(start, 5000)])
    .then((result) => {
      result.reverse();

      for (let i = 0; i < result.length; i += 1) {
        const trans = result[i];
        const { op } = trans[1];

        // Checking on curation rewards and pushing them to an array by their date
        if (op[0] === 'curation_reward') {
          const rdate = new Date(`${trans[1].timestamp}Z`);
          const ndate = `${rdate.getMonth() + 1}/${rdate.getDate()}/${rdate.getFullYear()}`;

          curationReward.push({ time: ndate, reward: op[1].reward });
        }

        // Save the ID of the last transaction that was processed.
        [lastTrans] = trans;
      }

      if (lastTrans > 0 && lastTrans !== start) {
        // Looping through all the account history
        getCuration(account, lastTrans, callback);
      } else {
        // Grouping the rewards by date and making a new object
        callback(curationReward.reduce((acc, obj) => {
          const key = obj.time;
          if (!acc[key]) {
            acc[key] = [];
          }
          acc[key].push(obj.reward.replace(' VESTS', ''));
          return acc;
        }, {}));
      }
    });
};

(async () => {
  // Getting STEEM per VEST number to calculate rewards in SP
  await client.database.getDynamicGlobalProperties()
    .then((r) => {
      const totalVestingFund = parseFloat(r.total_vesting_fund_steem.replace(' STEEM', ''));
      const totalVestingShares = parseFloat(r.total_vesting_shares.replace(' VESTS', ''));
      steemPerMvests = ((totalVestingFund / totalVestingShares) * 1000000);
    })
    .catch(e => console.log(`Error loading global properties: ${e}`));

  const vestToSP = vests => parseFloat(vests / 1000000 * steemPerMvests).toFixed(3);

  // Replace `reazuliqbal` with your username
  await getCuration('reazuliqbal', -1, (data) => {
    const rewards = [];

    // Adding all rewards for each day and converting them to SP
    Object.keys(data).forEach((d) => {
      const reward = data[d].reduce((a, b) => a + parseFloat(b), 0);
      rewards.push({ date: d, reward: `${vestToSP(reward)} SP` });
    });

    // Writing the result to a readable JSON file
    fs.writeFileSync('rewards.json', JSON.stringify(rewards, null, 4));
  });
})();