August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Understanding the ERC721 implementation
As we have seen the ERC721 standard interface, now let's look at the ERC721 basic implementation. Here, for the implementation, we are going to use the code provided in Zeppelin's openzeppelin-solidity 2.1.1 release. However, developers must keep checking for new releases of the OpenZeppelin project to ensure that any bug fixes or gas improvements are updated in the latest code. You can always check for latest releases and the included bug fixes of OpenZeppelin on https://github.com/OpenZeppelin/openzeppelin-solidity/releases.
We will look into the following in this section:
- State variables used in the ERC721 implementation
- The different functions of ERC721 and their implementation
- Internal functions ...