Struct bitcoin_serai::wallet::Scanner

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pub struct Scanner { /* private fields */ }
Expand description

A transaction scanner capable of being used with HDKD schemes.

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impl Scanner

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pub fn new(key: ProjectivePoint) -> Option<Scanner>

Construct a Scanner for a key.

Returns None if this key can’t be scanned for.

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pub fn register_offset(&mut self, offset: Scalar) -> Option<Scalar>

Register an offset to scan for.

Due to Bitcoin’s requirement that points are even, not every offset may be used. If an offset isn’t usable, it will be incremented until it is. If this offset is already present, None is returned. Else, Some(offset) will be, with the used offset.

This means offsets are surjective, not bijective, and the order offsets are registered in may determine the validity of future offsets.

The offsets registered must be securely generated. Arbitrary offsets may introduce a script path into the output, allowing the output to be spent by satisfaction of an arbitrary script (not by the signature of the key).

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pub fn scan_transaction(&self, tx: &Transaction) -> Vec<ReceivedOutput>

Scan a transaction.

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pub fn scan_block(&self, block: &Block) -> Vec<ReceivedOutput>

Scan a block.

This will also scan the coinbase transaction which is bound by maturity. If received outputs must be immediately spendable, a post-processing pass is needed to remove those outputs. Alternatively, scan_transaction can be called on block.txdata[1 ..].

Trait Implementations§

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impl Clone for Scanner

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fn clone(&self) -> Scanner

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Scanner

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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