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The HuobiEcoNode Smart-Contract were found no vulnerabilities, no backdoors and no scam scripts.

The code was tested with compatible compilers and simulate manually reviewed for all commonly known and specific vulnerabilities.

So HuobiEcoNode Smart-Contract is safe for use in the Huobi Eco Chain main network.



This audit is only for the HuobiEcoNode smart contract codes base on the below-specified address only.


The audit makes no statements or warranties about the suitability or sustainability of the business model or regulatory regime for the business model. Do take into consideration that you are doing all financial actions & transactions at your own risk, especially if you are dealing with high-risk projects / Dapps.


CRITICAL ISSUES (critical, high severity): 0

Critical and harmful access for owners, user block ability, Bugs and vulnerabilities that enable theft of funds, lock access to funds without possibility to restore it, or lead to any other loss of funds to be transferred to any party.


ERRORS, BUGS AND WARNINGS (medium, low severity): 0

Bugs can negatively affect the usability of a program, errors that can trigger a contract failure, Lack of necessary security precautions, other warnings for owners and users, warning codes that are valid code but the compiler thinks are suspicious.


OPTIMIZATION (low severity): 0

Methods to decrease the cost of transactions in Smart-Contract.


RECOMMENDATIONS (very low severity): 0

Hint and tips to improve contract functionality and trustworthiness.



Independent description of the smart-contract functionality

The HuobiEcoNode smart-contract provides the opportunity to invest any amount in HT (from 1 HT) in the contract and get 112% to 147% return on investment in 14 to 42 days if the contract balance has enough funds for payment.

  • Dividends are paid from deposits of users.
  • All dividends are calculated at the moment of request and available for withdrawal anytime
  • Each subsequent Deposit is kept separately in the contract, in order to maintain the payment amount for each Deposit.


Launch Date: Thu Apr 01 2021 06:00:00 GMT+0000


Contract Owners Fee

NODE_FEE:              5%

DEV_FEE:                  10%

MARKET_FEE:          8%




Plans Total Return Daily Profit Days
1 147% 3.5% 42
2 140% 5% 28
3 137% 6.5% 21
4 112% 8% 14


  • The Minimum deposit amount is 1 HT


Referral System (Match Bonus)

This contract pays referrals in ten-level with a totally of 16%

  • Level one:             4%
  • Level two:             3%
  • Level three:             2%
  • Level four to ten: 1%


  • The Referral should be an active user. it means the referral address has at least one deposit
  • A referrer is specified once at the time of the first deposit with the referral address and is assigned to the user without the possibility of changing. From each subsequent Deposit, the referrer will get his percent.
  • If the user does not have a valid referrer, the owner will be set as his referrer



Hold Bonus

If users do not withdraw, they can receive 0.5% daily profit every 24 hours.

  • Each deposit hold bonus calculates separately



HUOBIECONODE Smart-Contract Functions

  • Constructor: initial plans, owner address, start date, min deposit and referral bonuses
  • _payout: calculate and update dividends
  • _updateTotalPayout: update all deposits dividends
  • _refPayout: calculate referral bonuses
  • _setUpline: set uplines
  • deposit: make a new deposit
  • withdraw: transfer dividends to user’s wallet
  • payoutOf: calculate dividends
  • contractBalance: return contract balance minus dev and insurance commission
  • claimDevIncome: withdraw dev commission
  • claimInsurance: withdraw insurance commission, the only owner can call
  • setStarttime: change contract start date, the only owner can call
  • getDevFee: return dev commission, the only owner can call
  • getInsuranceFee: return insurance commission, the only owner can call
  • userInfo: return user info
  • contractInfo: return contract info
  • investmentsInfo: return investment info
  • seperatePayoutOf: return dividends separately
  • bonusPeriod: return hold duration separately




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