BullRun Staking

Smart Contract Audit Report

Audit Summary

BullRun is building a new platform where users can stake tokens and earn rewards.

For this audit, we reviewed the project team's BullRunStaking contract at 0x0f3dcd3b24f9f03fce0274a501af7de167e2202e on the Ethereum Mainnet.

Audit Findings

No findings were identified.
Date: November 3rd, 2022.

Contract Overview

• Anyone can use this contract to stake tokens and earn rewards in the form of the project team's native BRL token.
• The team will set the BRL token address and start time of the contract upon deployment.
• The owner can add a new pool at any time by specifying the staking token address, the pool's reward rate, and a number of BRL tokens to transfer to the contract as rewards.
• The owner can update the reward rate for each pool to any value at any time.
• Pending rewards are distributed to users on all deposits and withdrawals.
• A 2% deposit fee is charged and is allocated to the team's Bulldozer wallet on all deposits.
• Users can withdraw their staked tokens from a staking pool at any time.
• A 5% withdraw fee is charged and is allocated to the team's Bulldozer wallet on all withdrawals.
• Users can elect to compound their rewards which will deposit any pending rewards into the BRL staking pool.
• Users can trigger an emergency withdrawal, which will transfer all of the user's deposited tokens to their wallet address, without calculating rewards.
• The team should exercise caution when adding staking pools to not set an ERC-777 token as the staking token.
• Any user can transfer BRL tokens to the contract to be used as rewards for a specified pool at any time.
• The owner can update the team's Bulldozer wallet to any address at any time.
• The owner can update the ID associated with the BRL staking pool at any time.

Audit Results

Inheritance Chart

Function Graph

Functions Overview

 ($) = payable function
 # = non-constant function
 
 Int = Internal
 Ext = External
 Pub = Public

 + [Int] IERC20Permit 
    - [Ext] permit #
    - [Ext] nonces
    - [Ext] DOMAIN_SEPARATOR

 + [Lib] Address 
    - [Int] isContract
    - [Int] sendValue #
    - [Int] functionCall #
    - [Int] functionCall #
    - [Int] functionCallWithValue #
    - [Int] functionCallWithValue #
    - [Int] functionStaticCall
    - [Int] functionStaticCall
    - [Int] functionDelegateCall #
    - [Int] functionDelegateCall #
    - [Int] verifyCallResultFromTarget
    - [Int] verifyCallResult
    - [Prv] _revert

 + [Lib] SafeERC20 
    - [Int] safeTransfer #
    - [Int] safeTransferFrom #
    - [Int] safeApprove #
    - [Int] safeIncreaseAllowance #
    - [Int] safeDecreaseAllowance #
    - [Int] safePermit #
    - [Prv] _callOptionalReturn #

 + [Lib] EnumerableSet 
    - [Prv] _add #
    - [Prv] _remove #
    - [Prv] _contains
    - [Prv] _length
    - [Prv] _at
    - [Prv] _values
    - [Int] add #
    - [Int] remove #
    - [Int] contains
    - [Int] length
    - [Int] at
    - [Int] values
    - [Int] add #
    - [Int] remove #
    - [Int] contains
    - [Int] length
    - [Int] at
    - [Int] values
    - [Int] add #
    - [Int] remove #
    - [Int] contains
    - [Int] length
    - [Int] at
    - [Int] values

 +  Context 
    - [Int] _msgSender
    - [Int] _msgData

 + [Int] IERC20 
    - [Ext] totalSupply
    - [Ext] balanceOf
    - [Ext] transfer #
    - [Ext] allowance
    - [Ext] approve #
    - [Ext] transferFrom #

 +  Ownable (Context)
    - [Pub]  #
    - [Pub] owner
    - [Int] _checkOwner
    - [Pub] renounceOwnership #
       - modifiers: onlyOwner
    - [Pub] transferOwnership #
       - modifiers: onlyOwner
    - [Int] _transferOwnership #

 +  BullRunStaking (Ownable)
    - [Pub]  #
    - [Ext] poolLength
    - [Pub] add #
       - modifiers: onlyOwner
    - [Pub] setRewardRate #
       - modifiers: onlyOwner
    - [Ext] supplyRewards #
    - [Ext] pendingBRL
    - [Pub] massUpdatePools #
    - [Pub] updatePool #
    - [Ext] deposit #
    - [Ext] compound #
    - [Int] _compound #
    - [Ext] withdraw #
    - [Ext] emergencyWithdraw #
    - [Int] safeBRLTransfer #
    - [Ext] setBRLPoolIndex #
       - modifiers: onlyOwner
    - [Ext] setbulldozer #
       - modifiers: onlyOwner

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What is a SourceHat Audit?

Typically, a smart contract audit is a comprehensive review process designed to discover logical errors, security vulnerabilities, and optimization opportunities within code. A SourceHat Audit takes this a step further by verifying economic logic to ensure the stability of smart contracts and highlighting privileged functionality to create a report that is easy to understand for developers and community members alike.

How Do I Interpret the Findings?

Each of our Findings will be labeled with a Severity level. We always recommend the team resolve High, Medium, and Low severity findings prior to deploying the code to the mainnet. Here is a breakdown on what each Severity level means for the project:

• High severity indicates that the issue puts a large number of users' funds at risk and has a high probability of exploitation, or the smart contract contains serious logical issues which can prevent the code from operating as intended.
• Medium severity issues are those which place at least some users' funds at risk and has a medium to high probability of exploitation.
• Low severity issues have a relatively minor risk association; these issues have a low probability of occurring or may have a minimal impact.
• Informational issues pose no immediate risk, but inform the project team of opportunities for gas optimizations and following smart contract security best practices.

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