transaction-handling.js

transaction-handling.js

contract
  .purchase(edition.edition, {
    from: account,
    value: priceInWei
  })
  .on('transactionHash', hash => {
    console.log('Purchase transaction submitted', hash);
  })
  .on('receipt', receipt => {
    console.log('Purchase successful - Ive been mined', receipt);
  })
  .on('error', error => {
    console.log('Purchase error', error);
  })
  .on('confirmation', (confNumber, receipt) => {
    console.log(`Confirmation [${confNumber}]`, receipt);
  })
  .catch((error) => {
    console.log('Purchase error', error);
  })
  .finally(() => {
      ...do something when its all finished
  });