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Blockchain · hard

42. go-ethereum as a Library

ethclient, ABI binding and transactions.

The ethclient package dials an RPC endpoint to read blocks, logs and balances. abigen generates typed Go bindings from an ABI so contract calls are compile-time checked. Signing needs a key and chain id; always simulate with CallContract before sending.

Check your understanding

  1. 1. Which tool generates typed contract bindings?

  2. 2. Chain id in a signature prevents…