BFIC COIN - Audit Report

Summary

BFIC COIN Audit Report

BFIC COIN ($BFIC) is a new BEP-20 token on the Binance Smart Chain.

We reviewed the BFIC contract at 0x50e6D27B775F07e7fa30a1Bd47A6F05E276c37bF on the Binance Smart Chain mainnet.

Notes on the Contract:
The total supply of the token is set to 210 million $BFIC [210,000,000].
No mint functions are accessible beyond deployment.
Any user can burn their own tokens to reduce the total supply.
The total supply was split amongst seven team wallets upon deployment.

There is a 1% burn fee charged on all transfers. The tokens collected from the burn fee are removed from the total supply.
Any address that owns the old version of the $BFIC token is able to convert their tokens to new $BFIC tokens via the exchange() function. The ratio of old $BFIC to new $BFIC is 10:1. The old $BFIC token contract was out of scope for the purpose of this audit.
The team must ensure that a sufficient amount of tokens are held in the new contract to ensure users' conversions are successful.
Users will have to grant the new contract an approval for their entire old $BFIC token balance in order for an exchange to be successful.
If an exchange is successful, the user's old tokens will be sent to the 0x..dead address.
The 1% burn fee is applied on each exchange.
The contract complies with the BEP-20 token standard.
As the contract is deployed with Solidity v0.8.10 it is protected from overflows/underflows.

Audit Findings Summary
No external threats were identified.
Please ensure trust in the team prior to investing as they currently own a large portion of the total supply.
Further, ensure trust in the team as they are responsible for supplying the contract address with a sufficient amount of tokens in order for a user's token conversion to be successful.
Date: January 21st, 2022.

Audit Results

Vulnerability Category	Notes	Result
Arbitrary Storage Write	N/A	PASS
Arbitrary Jump	N/A	PASS
Centralization of Control	The team currently owns a large portion of the total supply.	PASS
Delegate Call to Untrusted Contract	N/A	PASS
Dependence on Predictable Variables	N/A	PASS
Deprecated Opcodes	N/A	PASS
Ether Thief	N/A	PASS
Exceptions	N/A	PASS
External Calls	N/A	PASS
Flash Loans	N/A	PASS
Integer Over/Underflow	N/A	PASS
Multiple Sends	N/A	PASS
Oracles	N/A	PASS
Suicide	N/A	PASS
State Change External Calls	N/A	PASS
Unchecked Retval	N/A	PASS
User Supplied Assertion	N/A	PASS
Critical Solidity Compiler	N/A	PASS
Overall Contract Safety		PASS

Function Graph

ERC20 Token Graph

Inheritance Chart

Multi-file Token

Functions Overview


 ($) = payable function
 # = non-constant function
 
 + [Int] IERC20 
    - [Ext] totalSupply
    - [Ext] balanceOf
    - [Ext] transfer #
    - [Ext] allowance
    - [Ext] approve #
    - [Ext] transferFrom #

 + [Int] IERC20Metadata (IERC20)
    - [Ext] name
    - [Ext] symbol
    - [Ext] decimals

 + [Int] OldCoin 
    - [Ext] transferFrom #
    - [Ext] balanceOf
    - [Ext] burn #

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

 +  BFIC (Context, IERC20, IERC20Metadata)
    - [Pub]  #
    - [Ext] exchange #
    - [Pub] name
    - [Pub] symbol
    - [Pub] decimals
    - [Pub] totalSupply
    - [Pub] balanceOf
    - [Pub] transfer #
    - [Pub] allowance
    - [Pub] approve #
    - [Pub] transferFrom #
    - [Pub] increaseAllowance #
    - [Pub] decreaseAllowance #
    - [Int] _transfer #
    - [Int] _mint #
    - [Int] _burn #
    - [Ext] burn #
    - [Int] _approve #
    - [Int] _beforeTokenTransfer #
    - [Int] _afterTokenTransfer #

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