IamMugiChan

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Selling Some GOODS

Created July 7, 2021 08:08

Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.6.12+commit.27d51765.js&optimize=false&runs=200&gist=

	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	import "../utils/EnumerableSet.sol";
	import "../utils/Address.sol";
	import "../utils/Context.sol";

	/**
	* @dev Contract module that allows children to implement role-based access

Created July 7, 2021 07:33

	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	import "../utils/EnumerableSet.sol";
	import "../utils/Address.sol";
	import "../utils/Context.sol";

	/**
	* @dev Contract module that allows children to implement role-based access