pub struct NextProtocolConfig { /* private fields */ }Expand description
A protocol upgrade that is scheduled but not yet in effect.
Committing to an upgrade ahead of time lets clients that come online before effective_from
learn about it and update before the switch happens, instead of being blocked once it does.
Implementations§
Source§impl NextProtocolConfig
impl NextProtocolConfig
Sourcepub fn new(
effective_from: BlockNumber,
protocol_config: Word,
) -> Result<NextProtocolConfig, ProtocolConfigError>
pub fn new( effective_from: BlockNumber, protocol_config: Word, ) -> Result<NextProtocolConfig, ProtocolConfigError>
Creates a new NextProtocolConfig from the provided inputs.
§Errors
Returns an error if effective_from is BlockNumber::GENESIS. The genesis block defines
the initial configuration, so no upgrade can become effective at it, and on-chain the
genesis block number is the encoding of “no upgrade scheduled”.
Sourcepub fn effective_from(&self) -> BlockNumber
pub fn effective_from(&self) -> BlockNumber
Returns the number of the first block for which the new configuration is in effect.
Sourcepub fn protocol_config(&self) -> Word
pub fn protocol_config(&self) -> Word
Returns the commitment to the ProtocolConfig that becomes
effective.
Sourcepub fn to_commitment(&self) -> Word
pub fn to_commitment(&self) -> Word
Returns a commitment to this scheduled upgrade.
A block header without a scheduled upgrade commits to Word::empty, which this commitment
can never collide with because effective_from is never zero.
Trait Implementations§
Source§impl Clone for NextProtocolConfig
impl Clone for NextProtocolConfig
Source§fn clone(&self) -> NextProtocolConfig
fn clone(&self) -> NextProtocolConfig
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · 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 NextProtocolConfig
impl Debug for NextProtocolConfig
Source§impl Deserializable for NextProtocolConfig
impl Deserializable for NextProtocolConfig
Source§fn read_from<R>(
source: &mut R,
) -> Result<NextProtocolConfig, DeserializationError>where
R: ByteReader,
fn read_from<R>(
source: &mut R,
) -> Result<NextProtocolConfig, DeserializationError>where
R: ByteReader,
Reads a sequence of bytes from the provided
source, attempts to deserialize these bytes
into Self, and returns the result. Read moreSource§fn min_serialized_size() -> usize
fn min_serialized_size() -> usize
Returns the minimum serialized size for one instance of this type. Read more
Source§fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>
fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>
Source§fn read_from_bytes_with_budget(
bytes: &[u8],
budget: usize,
) -> Result<Self, DeserializationError>
fn read_from_bytes_with_budget( bytes: &[u8], budget: usize, ) -> Result<Self, DeserializationError>
Deserializes
Self from bytes with a byte budget limit. Read moreimpl Eq for NextProtocolConfig
Source§impl PartialEq for NextProtocolConfig
impl PartialEq for NextProtocolConfig
Source§impl Serializable for NextProtocolConfig
impl Serializable for NextProtocolConfig
Source§fn write_into<W>(&self, target: &mut W)where
W: ByteWriter,
fn write_into<W>(&self, target: &mut W)where
W: ByteWriter,
Serializes
self into bytes and writes these bytes into the target.Source§fn get_size_hint(&self) -> usize
fn get_size_hint(&self) -> usize
Returns an estimate of how many bytes are needed to represent self. Read more
impl StructuralPartialEq for NextProtocolConfig
Auto Trait Implementations§
impl Freeze for NextProtocolConfig
impl RefUnwindSafe for NextProtocolConfig
impl Send for NextProtocolConfig
impl Sync for NextProtocolConfig
impl Unpin for NextProtocolConfig
impl UnsafeUnpin for NextProtocolConfig
impl UnwindSafe for NextProtocolConfig
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