CRITICAL ISSUES (critical, high severity): 0

HIGH ISSUES (high, medium severity): 1

ERRORS, WARNINGS (medium, low severity): 0

OPTIMIZATION (low severity): 0

RECOMMENDATIONS (very low severity): 0

High ISSUE

The system used is called ROI and must be considered as HIGH-RISK.

Users' principal deposits cannot be withdrawn, users can get dividends and referral commission. Dividends are paid from deposits of other users. Do always invest with proper knowledge and investigation.

Independent description of the smart-contract functionality

The VINEYARD smart contract provides the opportunity to invest any amount in MATIC in the contract and get daily profit on investment if the contract balance has enough funds for payment.

All dividends are calculated at the moment of request and available for withdrawal anytime

Launch Date

based on the audit date (Mar 25, 2022) the project is not launched yet. The owner has access to activate the project and the launch date is dependent on the owner's decision

Contract Owners Fee

Deposit (BuyEggs) Fee: 16%

Withdraw (SellEggs) Fee: 16%

INVESTMENT PLAN

The basic interest rate based on the audit date is 5.96% daily.

The daily rate will be changed based on the deposit and withdrawal of the other users.
The maximum deposit amount is 300 MATIC
For example:
1. Based on the such parameters
  - contract balance: 1000 MATIC
  - market eggs: 108000000000
2. if a user tries to deposit 300 MATIC
3. he will receive about 20,769 miners
4. miners will produce 1,794,461,538 eggs daily
5. daily produced eggs are equal to 19.1 MATIC
6. the user can withdraw or compound it

Deposit (Buy Miner)

Users can buy miners by MATIC token. Miner price will be calculated at the time of deposit.

Miner Price Formula: Deposit amount / ( Deposit amount + Contract Balance) * Market Eggs

Miners will produce eggs and users can sell eggs to earn profit.

Miners will work forever and users can withdraw profit until the contract has enough balance.

Market Eggs

It is an amount that will be defined in the initial of the contract and will be changed by deposit, withdrawal and compound.

The initial amount is: 108000000000
20% of each deposit or compound will be added to “Market Eggs”
The withdrawal amount will be added to “Market Eggs”
Increased of the “Market Eggs” will reduce the daily rate and increase sustainability

Withdraw (Sell Eggs)

Users can sell eggs produced by the miners.

Withdraw amount(MATIC) Formula: user eggs / ( user eggs + Market Eggs) * Contract Balance

User eggs: each miner will produce one egg each second

Miners produce eggs maximum of 12.5 days, users should try to withdraw or compound their produced eggs. After withdrawal or compound, miners will start working again.
Users can withdraw or compound many times without any limit

Compound (hatch Eggs)

Users can compound their available eggs and buy more miners.

Miner price will be calculated based on the mentioned formula in the deposit section and real-time numbers of market eggs and contract balance

Referral System (Match Bonus)

The contract pays a 12.5% referral commission over one level.

The commission is 12.5% of the referral deposit or compound eggs
The commission will be paid as eggs that users can withdraw or compound it
Users can not use their wallet as a referral for themselves