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CountedHeader

zebra_chain::block::header

Struct CountedHeader 

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pub struct CountedHeader {
    pub header: Arc<Header>,
}
Expand description

A header with a count of the number of transactions in its block. This structure is used in the Bitcoin network protocol.

The transaction count field is always zero, so we don’t store it in the struct.

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§header: Arc<Header>

The header for a block

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impl Arbitrary for CountedHeader

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type Parameters = <Arc<Header> as Arbitrary>::Parameters

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.
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type Strategy = Map<<Arc<Header> as Arbitrary>::Strategy, fn(Arc<Header>) -> CountedHeader>

The type of Strategy used to generate values of type Self.
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fn arbitrary_with(_top: Self::Parameters) -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). The strategy is passed the arguments given in args. Read more
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fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). Read more
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impl Clone for CountedHeader

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fn clone(&self) -> CountedHeader

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more
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impl Eq for CountedHeader

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impl PartialEq for CountedHeader

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fn eq(&self, other: &CountedHeader) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for CountedHeader

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impl TrustedPreallocate for CountedHeader

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fn max_allocation() -> u64

Cap CountedHeader preallocation at the existing protocol-level constant MAX_HEADERS_PER_MESSAGE = 160. The previous return value was derived from MAX_PROTOCOL_MESSAGE_LEN, allowing peer-controlled preallocation amplification — same shape as GHSA-xr93-pcq3-pxf8 for AddrV1/AddrV2 (PR #10494).

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impl ZcashDeserialize for CountedHeader

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fn zcash_deserialize<R: Read>(reader: R) -> Result<Self, SerializationError>

Try to read self from the given reader. Read more
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impl ZcashSerialize for CountedHeader

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fn zcash_serialize<W: Write>(&self, writer: W) -> Result<(), Error>

Write self to the given writer using the canonical format. Read more
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fn zcash_serialize_to_vec(&self) -> Result<Vec<u8>, Error>

Helper function to construct a vec to serialize the current struct into
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fn zcash_serialized_size(&self) -> usize

Get the size of self by using a fake writer.

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Size: 8 bytes