Packages

etherex

1.0.0
1.1.0 1.0.0 1.0.0-rc19 retired 1.0.0-rc18 retired

Etherex is an Elixir high level library for the Ethereum blockchain based on the Ethereum Json RPC API

HexDocs

Current section

Files

Jump to
Readme
4 Versions
4 Dependencies
0 Dependants
Files
Activity
etherex priv solidity Counter.sol
Raw

priv/solidity/Counter.sol 

// SPDX-License-Identifier: MIT
pragma solidity >=0.4.22 <0.9.0;
contract Counter {
    int public value;
    constructor() { value = 0; }
    event Incremented(int v);
    event Decremented(int v);
    function inc() public {
        value += 1;
        emit Incremented(value);
    }
    function dec() public {
        require(value > 0, "counter is not positive");
        value -= 1;
        emit Decremented(value);
    }
    function get() public view returns (int256) {
        return value;
    }
}