Struct polkadot_primitives::v8::AbridgedHrmpChannel
source · pub struct AbridgedHrmpChannel {
pub max_capacity: u32,
pub max_total_size: u32,
pub max_message_size: u32,
pub msg_count: u32,
pub total_size: u32,
pub mqc_head: Option<Hash>,
}
Expand description
Abridged version of HrmpChannel
(from the Hrmp
parachains host runtime module) meant to be
used by a parachain or PDK such as cumulus.
Fields§
§max_capacity: u32
The maximum number of messages that can be pending in the channel at once.
max_total_size: u32
The maximum total size of the messages that can be pending in the channel at once.
max_message_size: u32
The maximum message size that could be put into the channel.
msg_count: u32
The current number of messages pending in the channel.
Invariant: should be less or equal to max_capacity
.s`.
total_size: u32
The total size in bytes of all message payloads in the channel.
Invariant: should be less or equal to max_total_size
.
mqc_head: Option<Hash>
A head of the Message Queue Chain for this channel. Each link in this chain has a form:
(prev_head, B, H(M))
, where
prev_head
: is the previous value ofmqc_head
or zero if none.B
: is the [relay-chain] block number in which a message was appendedH(M)
: is the hash of the message being appended. This value is initialized to a special value that consists of all zeroes which indicates that no messages were previously added.
Trait Implementations§
source§impl Clone for AbridgedHrmpChannel
impl Clone for AbridgedHrmpChannel
source§fn clone(&self) -> AbridgedHrmpChannel
fn clone(&self) -> AbridgedHrmpChannel
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for AbridgedHrmpChannel
impl Debug for AbridgedHrmpChannel
source§impl Decode for AbridgedHrmpChannel
impl Decode for AbridgedHrmpChannel
source§fn decode<__CodecInputEdqy: Input>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<Self, Error>
fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>
Attempt to deserialise the value from input.
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
Attempt to deserialize the value from input into a pre-allocated piece of memory. Read more
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
Attempt to skip the encoded value from input. Read more
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
Returns the fixed encoded size of the type. Read more
source§impl Encode for AbridgedHrmpChannel
impl Encode for AbridgedHrmpChannel
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
source§fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)
fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )
Convert self to a slice and append it to the destination.
§fn using_encoded<R, F>(&self, f: F) -> R
fn using_encoded<R, F>(&self, f: F) -> R
Convert self to a slice and then invoke the given closure with it.
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl PartialEq for AbridgedHrmpChannel
impl PartialEq for AbridgedHrmpChannel
source§fn eq(&self, other: &AbridgedHrmpChannel) -> bool
fn eq(&self, other: &AbridgedHrmpChannel) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl TypeInfo for AbridgedHrmpChannel
impl TypeInfo for AbridgedHrmpChannel
impl EncodeLike for AbridgedHrmpChannel
impl StructuralPartialEq for AbridgedHrmpChannel
Auto Trait Implementations§
impl Freeze for AbridgedHrmpChannel
impl RefUnwindSafe for AbridgedHrmpChannel
impl Send for AbridgedHrmpChannel
impl Sync for AbridgedHrmpChannel
impl Unpin for AbridgedHrmpChannel
impl UnwindSafe for AbridgedHrmpChannel
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T: ?Sized,
impl<T> BorrowMut<T> for Twhere
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