August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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The ERC20 token standard library
ERC20 is a token standard that's used in the Ethereum blockchain. It defines some standard functions and events that should be implemented by a contract if there is a need for a token.
The OpenZeppelin library includes contract files for the full implementation of the ERC20 token standard. Some other relevant ERC20 feature-related files are also present; using these files, you can decorate your ERC20 token contract and add more optional features to it. For example, with the Mintable and Pausable features, you can add token-minting and token-transfer-pause features to your ERC20 token contract.
All of the roles-related files are present in the Chapter09/openzeppelin-solidity/contracts/token/ERC20 folder of ...
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