Struct hdk::prelude::OpenChain

pub struct OpenChain {
    pub author: HoloHash<Agent>,
    pub timestamp: Timestamp,
    pub header_seq: u32,
    pub prev_header: HoloHash<Header>,
    pub prev_dna_hash: HoloHash<Dna>,
}

When migrating to a new version of a DNA, this header is committed to the new chain to declare the migration path taken. Currently unused

Fields

author: HoloHash<Agent>

timestamp: Timestamp

header_seq: u32

prev_header: HoloHash<Header>

prev_dna_hash: HoloHash<Dna>

Implementations

impl OpenChain

pub fn from_builder(
    common: HeaderBuilderCommon,
    prev_dna_hash: HoloHash<Dna>
) -> OpenChain

Trait Implementations

impl Clone for OpenChain

pub fn clone(&self) -> OpenChain

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for OpenChain

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for OpenChain

pub fn deserialize<__D>(
    __deserializer: __D
) -> Result<OpenChain, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Eq for OpenChain

impl From<(OpenChain, HeaderBuilderCommon)> for OpenChain

pub fn from((OpenChain, HeaderBuilderCommon)) -> OpenChain

Performs the conversion.

impl HeaderBuilder<OpenChain> for OpenChain

pub fn build(self, common: HeaderBuilderCommon) -> OpenChain

impl HeaderInner for OpenChain

pub fn into_header(self) -> Header

Get a full header from the subset

impl PartialEq<OpenChain> for OpenChain

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Serialize for OpenChain

pub fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralEq for OpenChain

impl StructuralPartialEq for OpenChain

impl<'_> TryFrom<&'_ OpenChain> for SerializedBytes

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(t: &OpenChain) -> Result<SerializedBytes, SerializedBytesError>

Performs the conversion.

impl TryFrom<OpenChain> for SerializedBytes

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(t: OpenChain) -> Result<SerializedBytes, SerializedBytesError>

Performs the conversion.

impl TryFrom<SerializedBytes> for OpenChain

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(sb: SerializedBytes) -> Result<OpenChain, SerializedBytesError>

Performs the conversion.