cheackpoint-solidity v1.0.0

Checkpoint Solidity

Reentrancy Guard Example

mapping(address => bool) calling ;
function call() public payable {
  require(!calling[msg.sender], 'Reentrancy detected');
  calling[msg.sender] = true ;
  /* your code */
}

Then What is the problem ?

Checkpoint Solidity

1 NPM

 $  npm i checkpoint-solidity 

Usage

import './node_modules/checkpoint-solidity/checkpoint.sol 

2 importing dericty from repository when using remix IDE.

  import "https://github.com/FreenetProject/Cheackpoint-Solidity/checkpoint.sol"

3 clone

$ git clone "https://github.com/FreenetProject/Cheackpoint-Solidity";
$ cd Cheackpoint-Solidity

Usage

import "./Cheackpoint-Solidity/checkpoint.sol"

}