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Introduce Option<T> type to Noir Contracts stdlib #1020

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iAmMichaelConnor opened this issue Jul 11, 2023 · 1 comment · Fixed by #1272
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Introduce Option<T> type to Noir Contracts stdlib #1020

iAmMichaelConnor opened this issue Jul 11, 2023 · 1 comment · Fixed by #1272
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@iAmMichaelConnor
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This would make the syntax for getting dummy notes tidier and uniform across apps and across custom note implementations.
I believe there's a PR in Noir to introduce this type.
@iAmMichaelConnor
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noir-lang/noir#1781 (comment) <-- recommendation from Jake

@iAmMichaelConnor iAmMichaelConnor mentioned this issue Jul 30, 2023
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iAmMichaelConnor added a commit that referenced this issue Aug 1, 2023
@iAmMichaelConnor
feat(noir-contracts): Option<T> for get_notes (#1272)
584b70f 
# Description

closes: #1020

Introduce `Option<T>` type to Noir.

Update `get_notes` logic:
- Remove the `is_real` member of some notes. `Option::is_some()` can now
be used instead.
- Remove the `is_dummy` method of the `NoteInterface`.
- When calling the `get_notes` oracle, a boolean `is_some` is injected
after the `nonce` to convey whether the note is a dummy or not.
- Change contract logic to `unwrap` `Option<Note>` types.

It's slightly more verbose in places, but it makes the notion of a dummy
note more enshrined (and actually aligns more closely to our inital
sketches of what utxo syntax might look like).

Thanks to Jake for the Option implementation!
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@iAmMichaelConnor iAmMichaelConnor

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feat(noir-contracts): Option<T> for get_notes AztecProtocol/aztec-packages
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