August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Ethereum transaction
A transaction on an Ethereum blockchain is required to transfer ETH from EOA or for smart contracts to change state, perform an action, or read a state of a contract. A transaction can only be initiated from an EOA and it can further initiate other internal transactions.
For example, an EOA wallet initiates a transaction to call a function of contract A, and this contract calls another function of contract B. In this case, a transaction is initiated from an EOA to contract A and then an internal transaction is initiated from contract A to contract B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.