TokenLib

Git Source Library the contains helper methods for retrieving balances and transfering ERC-20 and ERC-721

Functions

balanceOf

Retrieves the balance of a specified token for a given user This function calls the balanceOf function on the token contract using the provided selector and decodes the returned data to retrieve the balance

function balanceOf(address token, address user) internal view returns (uint256);

Parameters

Name	Type	Description
`token`	`address`	The address of the token contract
`user`	`address`	The address of the user to query

Returns

Name	Type	Description
`<none>`	`uint256`	The balance of tokens held by the user

safeTransfer

Safely transfers tokens from the calling contract to a recipient Calls the transfer function on the specified token contract and checks for successful transfer

function safeTransfer(address token, address to, uint256 value) internal;

Parameters

Name	Type	Description
`token`	`address`	The contract address of the token which will be transferred
`to`	`address`	The recipient of the transfer
`value`	`uint256`	The amount of tokens to be transferred

safeTransferFrom

Safely transfers tokens from one address to another using the transferFrom function Calls the transferFrom function on the specified token contract and checks for successful transfer

function safeTransferFrom(address token, address from, address to, uint256 value) internal;

Parameters

Name	Type	Description
`token`	`address`	The contract address of the token which will be transferred
`from`	`address`	The source address from which tokens will be transferred
`to`	`address`	The recipient address to which tokens will be transferred
`value`	`uint256`	The amount of tokens to be transferred

Smart Contracts

Technical

TokenLib

TokenLib

Functions

balanceOf

safeTransfer

safeTransferFrom

​TokenLib

​Functions

​balanceOf

​safeTransfer

​safeTransferFrom

TokenLib

Functions

balanceOf

safeTransfer

safeTransferFrom