34 lines
804 B
Solidity
34 lines
804 B
Solidity
// I'm a comment!
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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// pragma solidity ^0.8.0;
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// pragma solidity >=0.8.0 <0.9.0;
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contract SimpleStorage {
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uint256 myFavoriteNumber;
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struct Person {
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uint256 favoriteNumber;
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string name;
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}
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// uint256[] public anArray;
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Person[] public listOfPeople;
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mapping(string => uint256) public nameToFavoriteNumber;
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function store(uint256 _favoriteNumber) public {
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myFavoriteNumber = _favoriteNumber;
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}
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function retrieve() public view returns (uint256) {
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return myFavoriteNumber;
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}
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function addPerson(string memory _name, uint256 _favoriteNumber) public {
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listOfPeople.push(Person(_favoriteNumber, _name));
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nameToFavoriteNumber[_name] = _favoriteNumber;
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}
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}
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