GitHub: ERC20ACL

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Overview

The ERC20ACL contract provides access control mechanisms for ERC20 token operations. It includes modifiers to restrict certain actions based on conditions such as whether an address is a module address or a blocked address.

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Constants

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CHAIN_ADDRESS

The address of the chain signer. 
address constant CHAIN_ADDRESS = 0x0000000000000000000000000000000000000001;

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Modifiers

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onlyChain

Restricts the function to be called only by the chain signer. 
modifier onlyChain() {
    require(msg.sender == CHAIN_ADDRESS, "ERC20: caller is not the chain");
    _;
}

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burnable

Restricts the function to ensure the sender is not a module address. 
modifier burnable(address from) {
    require(!COSMOS_CONTRACT.is_module_address(from), "ERC20: burn from module address");
    _;
}

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Parameters

NameTypeDescription
fromaddressThe address to check

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mintable

Restricts the function to ensure the recipient is not a blocked address. 
modifier mintable(address to) {
    require(!COSMOS_CONTRACT.is_blocked_address(to), "ERC20: mint to blocked address");
    _;
}

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Parameters

NameTypeDescription
toaddressThe address to check

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transferable

Restricts the function to ensure the recipient is not a blocked address. 
modifier transferable(address to) {
    require(!COSMOS_CONTRACT.is_blocked_address(to), "ERC20: transfer to blocked address");
    _;
}

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Parameters

NameTypeDescription
toaddressThe address to check