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//SPDX-License-Identifier: MIT | |
pragma solidity 0.6.12; | |
contract Exceptions { | |
mapping(address => uint64) public balanceReceived; | |
function receiveMoney() public payable { | |
assert(msg.value == uint64(msg.value)); | |
balanceReceived[msg.sender] += uint64(msg.value); |
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//SPDX-License-Identifier: MIT | |
pragma solidity 0.8.4; | |
contract AlwaysFails { | |
function aFunction() public { | |
require(false, "Error message"); | |
} | |
} |
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//SPDX-License-Identifier: MIT | |
pragma solidity 0.8.3; | |
contract FunctionsExample { | |
mapping(address => uint) public balanceReceived; | |
address payable owner; | |
constructor() { |
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pragma solidity ^0.8.4; | |
import "./Owned.sol"; | |
contract InheritanceModifier is Owned { | |
mapping(address => uint) public tokenBalance; | |
uint tokenPrice = 1 ether; | |
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pragma solidity ^0.8.4; | |
contract Owned { | |
address owner; | |
constructor() { | |
owner = msg.sender; | |
} | |
modifier onlyOwner { |
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pragma solidity ^0.8.4; | |
contract EventExample { | |
mapping(address => uint) public tokenBalance; | |
event TokensSent(address _from, address _to, uint _amount); | |
constructor() { | |
tokenBalance[msg.sender] = 100; | |
} |
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pragma solidity ^0.8.4; | |
contract AbiExample { | |
string public myString = "hello world!"; | |
} |
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