TokenV2.sol

Type: Standard ERC20 (Ownable)

Description: ERC20 token with (1) configurable transfer fees, (2) fee exemptions, and (3) trading lock mechanism that blocks transfers until the owner permanently enables trading (with trading-exempt bypass addresses). Includes owner-controlled mint and public burn.

State Variables

Name	Type	Visibility	Description
feeBasisPoints	uint256	public	Transfer fee in basis points (100 =1%)
MAX_FEE_BPS	uint256	public constant	Maximum fee allowed
feeCollector	address	public	Address receiving fees
feeEnabled	bool	public	Enables/disables fee logic
isFeeExempt	mapping(address => bool)	public	Fee exemption list
tradingEnabled	bool	public	Global trading switch
tradingPermanentlyEnabled	bool	public	One-way permanent trading enable flag
isTradingExempt	mapping(address => bool)	public	Trading lock exemption list
totalSupply	uint256	public	Total token supply

Access Control Matrix

Function	Public	OnlyOwner	Notes
enableTrading	❌	✅	Permanently enables trading (one-way)
setTradingExempt	❌	✅	Bypass trading lock
setFee	❌	✅	Max 300 bps
setFeeCollector	❌	✅	Non-zero address
setFeeExempt	❌	✅	Toggle fee exemption
setFeeEnabled	❌	✅	Enable/disable fee
mint	❌	✅	Unlimited mint
burn	✅	❌	Self-burn only
transfer	✅	❌	Trading lock + fee logic may apply
transferFrom	✅	❌	Trading lock + fee logic may apply