New answers tagged memory
0
Here's an ethresear.ch thread covering the same topic, for anyone who may stumble upon this question (as I did): https://ethresear.ch/t/clarification-on-how-calldata-persists-on-the-blockchain-and-how-optimistic-rollups-use-it/8136
Some answers from that thread:
(barrywhitehat) Call data is stored as part of the eth chain history. If you want to validate ...
3
Strings and arrays in solidity are never passed by value. The type string memory means that the variable contains a memory pointer, so when you assign a = b you are only copying the pointer to the string, not the string itself. Therefore, there is only ever one string.
If you want a copy, you will have to manually make a copy.
This function can copy a bytes ...
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