ethworks / doppelganger Goto Github PK

const abi = [
  'function transfer(address,uint256) public returns(bool)',
  'function foo() public returns(uint256,string)',
  'function bar(uint256 x) public pure returns (uint256)',
  'function bar(bool x) public pure returns (bool)',
];

async function example() {
  const doppelganger = new Doppelganger(abi);
  const { address } = await doppelganger.deploy();
  await doppelganger.methods.transfer.returns(true);
  await doppelganger.methods.transfer.returns(42, 'hello');
  // support for overloaded names. Requires identifier
  await doppelganger.methods['bar#0423a132'].returns(1337);
}

const abi = [
  'function transfer(address,uint256) public returns(bool)',
  'function foo() public returns(uint256,string)',
  'function bar(uint256 x) public pure returns (uint256)',
  'function bar(bool x) public pure returns (bool)',
];

async function example() {
  // create initially. Deploys and sets up methods
  const doppelganger = await Doppelganger.from(abi, {
    transfer: true,
    foo: [42, 'hello'],
    'bar#0423a132': 1337, // support for overloaded names. Requires identifier
  });

  // access members
  const usedAbi = doppelganger.abi;
  const contract = doppelganger.contract;
  const address = doppelganger.address;

  // change something later
  await doppelganger.mockReturn('transfer', false);
  await doppelganger.mockReturn('foo', [21, ':37']);
}