Function createSignedTx

tests/helpers.js:6–12

(amount = 10)

const signingKey = ec.keyFromPrivate('3d6f54430830d388052865b95c10b4aeb1bbe33c01334cf2cfa8b520062a0ce3');

function createSignedTx(amount = 10) {
  const txObject = new Transaction(signingKey.getPublic('hex'), 'wallet2', amount);
  txObject.timestamp = 1;
  txObject.sign(signingKey);

  return txObject;
}

function createBCWithMined() {
  const blockchain = new Blockchain();