DO NOT USE THIS CODE. THIS CODE IS USED TO DEMONSTRATE A VULNERABILITY IN A SOLIDITY CODE.

Wallet.sol

contract Wallet is WalletEvents {
  ...
  // METHODS
  // gets called when no other function matches
  function() payable {
    // just being sent some cash?
    if (msg.value > 0)
      Deposit(msg.sender, msg.value);
    else if (msg.data.length > 0)
      _walletLibrary.delegatecall(msg.data);
  }
  
  ...  
  // FIELDS
  address constant _walletLibrary = 0xcafecafecafecafecafecafecafecafecafecafe;
}