How ./configure Bitcoin Core build to pick up depends build and installation path at the same time?

I’m trying to build Bitcoin Core and, if I understand it correctly, the configure script uses the –prefix= option twice, once for the inclusion of the depends build (from depends/README.md): **Bitcoin Core’s configure script by default will ignore the depends output.** In order for it to pick up libraries, tools, and settings from the depends…

Re-entrancy Vulnerability?

function transferFunds(uint _value) private { uint _fee = (3*_value)/(2*100); //Perform Ether transfer method merchant.transfer(_value – _fee); admin.transfer(_fee); emit LogForwardedEther(_value, merchant, _value – _fee, admin, _fee); } function transferFunds(address _token) private { uint _value = ERC20(_token).balanceOf(address(this)); uint _fee = (3*_value)/(2*100); //Perform Token transfer method ERC20(_token).transfer(merchant, _value – _fee); ERC20(_token).transfer(admin, _fee); emit LogForwardedToken(_value, merchant, _value – _fee,…

DaoAttack not working

I am trying to replicate the famous DAO attack for a cryptocurrencies course. I have the following contract already deployed on the blockchain. pragma solidity ^0.5.4; contract EDao { address payable public student; //Events event Success(address src,uint256 ret); event Fail(address src,uint256 ret); event NotEnoughFunds(address src, uint256 req, uint256 avail, uint256 balance); //Structs struct Fund {…