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Blockchain · medium

32. Web3j: Smart Contract Wrappers

Type-safe contract interaction.

1 min read2 questionsup to 50 XPtopic 32/50

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Web3j generates Java classes from Solidity ABI and Bin files to provide type-safe interaction with smart contracts.

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  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
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Check your understanding

  1. 1. Tool to generate wrappers?

  2. 2. What does the wrapper need to load?

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