Get all Cool Cat holders

getAllHolders.js

// THE GIST CONTAINS A DELIBERATE ERROR FOR THE PURPOSES
// OF THE ARTICLE - DO NOT BLINDLY COPY AND PASTE

async getAllHolders() {
  // Step 1 - Get the total population
  const totalSupply = await this.contract.methods.totalSupply().call();

  // Step 2 - Iterate over live tokens and log owners
  const holder = {};
  for(let i = 0; i < totalSupply; i++){
    const ownerAddress = await this.contract.methods.ownerOf(i).call();
    if(!holder[ownerAddress]){
      holder[ownerAddress] = 1;
    } else {
      holder[ownerAddress]++;
    }
  }

  // Step 3 - Saving the snapshot
  fs.writeFile('holders.json', JSON.stringify(holder),{ flag: 'w' },function (err) {
    if (err) return console.log(err);
  });
}

// THE GIST CONTAINS A DELIBERATE ERROR FOR THE PURPOSES
// OF THE ARTICLE - DO NOT BLINDLY COPY AND PASTE