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vbalko/rand.sol

Created October 21, 2021 20:57
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random function in solidity
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rand.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.0 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
*/
contract rand {
uint256 number;
function roll(uint _a, uint _b, uint _dx) public view returns (uint) {
return uint(keccak256(abi.encodePacked(block.timestamp, _a, _b)))%_dx + 1;
}
}
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