PRAJESH174

PRAJESH174 / Calculator.sol

Created September 5, 2025 06:05 — forked from gwenf/Calculator.sol

Ethereum Supple Chain Demo

	pragma solidity ^0.5.1;

	contract Calculator {
	int public num;

	constructor() public {
	num = 1;
	}

	function getNum() view public returns(int) {

PRAJESH174 / PhoneCompany.sol

Created September 5, 2025 06:04 — forked from gwenf/PhoneCompany.sol

	pragma solidity >=0.4.22 <0.7.0;
	// phone company dapp

	// charge telemarkers coins for calls
	// whitelist people don't get charged
	// anyone not on the whitelist has to pay a small fee

	contract PhoneCompany {
	uint public chargeAmount;
	uint public coinPrice;