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feat: increase difficulty to 40m hash #224

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feat: increase difficulty to 40m hash #224

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70e8729
feat: increase difficulty to 40m hash
Jul 3, 2024
c1390b3
Merge branch 'main' into feat/increase_difficulty
alvin-reyes Aug 27, 2024
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14 changes: 6 additions & 8 deletions hardhat/contracts/LilypadPow.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,7 @@ contract LilypadPow is Initializable, OwnableUpgradeable {
uint256 timestamp;
}

// todo difficulty may need to adjust in test
// this difficulty was calculate with this tool https://github.com/hunjixin/pow-tool/tree/main/difficulty
// Theoretically A machine with a hash rate of 8M has a probability of no more than 0.01% of not finding a nonce that meets the difficulty within 20 blocks.
// However, this issue has not been well validated in practice. it can solve nonce within one minute most of the time.
uint256 public targetDifficulty; // =
//555460709263765739036470010701196062214039696708679004195670928130048;
uint256 public targetDifficulty;
mapping(address => POWSubmission[]) public powSubmissions;
address[] public miners;

Expand All @@ -44,7 +39,9 @@ contract LilypadPow is Initializable, OwnableUpgradeable {
// https://docs.openzeppelin.com/upgrades-plugins/1.x/writing-upgradeable
function initialize() public initializer {
__Ownable_init();
targetDifficulty = 555460709263765739036470010701196062214039696708679004195670928130048;
// this difficulty was calculate with this tool https://github.com/hunjixin/pow-tool/tree/main/difficulty
// Theoretically A machine with a hash rate of 40M has a probability of no more than 0.00001 of not finding a nonce that meets the difficulty within 36 blocks.
targetDifficulty = 92576780592126171815437600338300430792573009392238517278497593884672;
}

function getMinerCount() public view returns (uint256) {
Expand Down Expand Up @@ -154,7 +151,8 @@ contract LilypadPow is Initializable, OwnableUpgradeable {

function triggerNewPowRound() external onlyOwner {
window_start = block.number;
window_end = block.number + 30; //todo arbitary value , need to discuss
// give 6 block time to confirm challenge, 30 block time used to calculate proof
window_end = block.number + 36;
emit NewPowRound();
}

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