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line18.sol
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line18.sol
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// SPDX-License-Identifier: MIT
//SPDX-License-Idetifier: Unlicensed
// Units
//assert(1 wei == 1)
//assert(1 ether == 1e18 wei)
//assert(1 szabo == 1e12)
//assert(1 finney == 1e15)
//assert(2 ether == 2000 fenny)
//Time Units
//assert(1 seconds == 1)
//assert(1 minutes == 60 seconds)
//assert(1 hours == 60 minutes)
//assert(1 days == 24 hours)
//assert(1 weeks == 7 days)
pragma solidity >=0.7.0;
contract units {
modifier amount {
require(msg.value > 1 ether);
_;
}
function send() public payable amount {
}
}
//time unit
contract time {
function f() public view {
uint x = block.timestamp;
uint y = block.number;
uint z = block.difficulty;
address a = block.coinbase;
}
function g() public view {
uint x = block.timestamp;
assert(x + 1 minutes > x);
}
function h() public view {
uint x = block.timestamp;
assert(x + 1 minutes > x);
}
}