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COVER HEADER

Decentralized Lottery

Cover Subline

The decentralized lotto generated by DeepSeek runs on smart contracts and is open source at https://github.com/80wuhou/d-lottery.com .The link to the project demo video is at https://www.hackquest.io/ja/projects/d-lotterycom Players participate in the non-interactive transfer notes, based on the last transfer notes and the transfer of the entire ten blocks after the end of the hash value is the same to determine the winners, the main winners of test coins without capital profit, test coins to the main network coins address https://testnetbridge.com/sepolia (exchange security self-judgment). The game has the function of coin casting and exchange, players can cast coins to finance the game with the dealer, EthSepolia contract address 0xe77e8252290d51528d6Cbc2d0514cCa82f137e7e has been injected into the test coins. For betting analysis, the website https://d-lottery.eth.limo counts the number of occurrences of the end character of the hash value for the last 100 whole ten blocks.

GET STARTED

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1.

Minting

Transfer operation: In MetaMask, click the "Send" button, enter the DeLotGame contract address and the amount of ETH to transfer. Leave the data field blank: Ensure that the "Data" field is blank. Confirm the transaction: After checking that the transfer information is correct, click "Confirm". Minting rules: If the total token supply is 0, or the ETH balance of the contract is less than or equal to the total token supply, the number of minted tokens is equal to the amount of transferred ETH. Otherwise, the number of minted tokens is (the amount of transferred ETH * the total token supply) / the ETH balance of the contract.

2.

Participating in the Game

Preparation: Open the MetaMask plugin, connect to a network that supports the DeLotGame contract, and confirm that there is sufficient ETH in the wallet. Transfer: Click the "Send" button, enter the DeLotGame contract address in the "Recipient" field, and set the amount of ETH to transfer. Input data: Click "Advanced Options", and in the "Data" field, enter the guessed data in HEX format (composed of valid characters 0 - 9, a - f, with a length not exceeding 16 bytes) as the guessing characters. Confirm the transaction: After checking that the transfer information is correct, click "Confirm" to complete the transfer. The contract will record and process the relevant data. (II) Winning Mechanism Target block number: After each transfer with valid HEX data, the contract will calculate a target block number (i.e., the first block number ending with zero after the block number where the transfer occurs). Hash value judgment: When the current block number exceeds the target block number and the difference between the two is within 256 blocks, the contract will obtain the hash value of the target block. Winning condition: If the hash value is valid and the last character of the hash value is included in the data of the previous transfer, it is considered a win.

Reward Calculation: The formula for calculating the reward amount is (amount of ETH transferred last time * 16) / length of data transferred last time. Currently a commercial payout of 0.9x is used. If there is insufficient ETH balance in the contract, the entire balance will be paid out as a reward.

3.

Redemption

Manual Redemption Visit the website: Visit a website that supports contract interaction and find the redeem function of the DeLotGame contract. Input quantity: Enter the quantity of DLT tokens to be redeemed (greater than 0) in the function input box. Check conditions: Ensure that the total token supply is greater than 0 and the contract has sufficient ETH balance for redemption. Confirm the transaction: Click the "Write" button, and confirm the transaction information in the confirmation window popped up by MetaMask to complete the redemption. The corresponding quantity of DLT tokens will be burned, and the user will receive the corresponding amount of ETH. Direct Redemption Transfer operation: In MetaMask, click the "Send" button and fill in the contract address as the "Recipient". Input quantity: Fill in the quantity of DLT tokens to be redeemed in the "Amount" field. Confirm the transaction: After checking that it is correct, confirm the transaction to complete the direct redemption. Users can also authorize others to transfer on their behalf, call the transferFrom function, and set the receiving address as the contract address to trigger the automatic redemption logic.