Struct snarkvm_dpc::block::header::BlockHeader
source · [−]pub struct BlockHeader<N: Network> { /* private fields */ }
Expand description
Block header.
Implementations
sourceimpl<N: Network> BlockHeader<N>
impl<N: Network> BlockHeader<N>
sourcepub fn from(
previous_ledger_root: N::LedgerRoot,
transactions_root: N::TransactionsRoot,
metadata: BlockHeaderMetadata,
nonce: N::PoSWNonce,
proof: PoSWProof<N>
) -> Result<Self, BlockError>
pub fn from(
previous_ledger_root: N::LedgerRoot,
transactions_root: N::TransactionsRoot,
metadata: BlockHeaderMetadata,
nonce: N::PoSWNonce,
proof: PoSWProof<N>
) -> Result<Self, BlockError>
Initializes a new instance of a block header.
sourcepub fn mine<R: Rng + CryptoRng>(
block_template: &BlockTemplate<N>,
terminator: &AtomicBool,
rng: &mut R
) -> Result<Self>
pub fn mine<R: Rng + CryptoRng>(
block_template: &BlockTemplate<N>,
terminator: &AtomicBool,
rng: &mut R
) -> Result<Self>
Mines a new instance of a block header.
sourcepub fn mine_once_unchecked<R: Rng + CryptoRng>(
block_template: &BlockTemplate<N>,
terminator: &AtomicBool,
rng: &mut R
) -> Result<Self>
pub fn mine_once_unchecked<R: Rng + CryptoRng>(
block_template: &BlockTemplate<N>,
terminator: &AtomicBool,
rng: &mut R
) -> Result<Self>
Mines a new unchecked instance of a block header. WARNING - This method does not enforce the block header is valid.
sourcepub fn is_genesis(&self) -> bool
pub fn is_genesis(&self) -> bool
Returns true
if the block header is a genesis block header.
sourcepub fn previous_ledger_root(&self) -> N::LedgerRoot
pub fn previous_ledger_root(&self) -> N::LedgerRoot
Returns the previous ledger root from the block header.
sourcepub fn transactions_root(&self) -> N::TransactionsRoot
pub fn transactions_root(&self) -> N::TransactionsRoot
Returns the transactions root in the block header.
sourcepub fn difficulty_target(&self) -> u64
pub fn difficulty_target(&self) -> u64
Returns the block difficulty target.
sourcepub fn cumulative_weight(&self) -> u128
pub fn cumulative_weight(&self) -> u128
Returns the cumulative weight up to this block (inclusive).
sourcepub fn to_header_tree(&self) -> Result<MerkleTree<N::BlockHeaderRootParameters>>
pub fn to_header_tree(&self) -> Result<MerkleTree<N::BlockHeaderRootParameters>>
Returns an instance of the block header tree.
sourcepub fn to_header_inclusion_proof(
&self,
index: usize,
leaf: impl ToBytes
) -> Result<MerklePath<N::BlockHeaderRootParameters>>
pub fn to_header_inclusion_proof(
&self,
index: usize,
leaf: impl ToBytes
) -> Result<MerklePath<N::BlockHeaderRootParameters>>
Returns an instance of the block header tree.
sourcepub fn to_header_root(&self) -> Result<N::BlockHeaderRoot>
pub fn to_header_root(&self) -> Result<N::BlockHeaderRoot>
Returns the block header root.
Trait Implementations
sourceimpl<N: Clone + Network> Clone for BlockHeader<N> where
N::LedgerRoot: Clone,
N::TransactionsRoot: Clone,
N::PoSWNonce: Clone,
impl<N: Clone + Network> Clone for BlockHeader<N> where
N::LedgerRoot: Clone,
N::TransactionsRoot: Clone,
N::PoSWNonce: Clone,
sourcefn clone(&self) -> BlockHeader<N>
fn clone(&self) -> BlockHeader<N>
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl<N: Debug + Network> Debug for BlockHeader<N> where
N::LedgerRoot: Debug,
N::TransactionsRoot: Debug,
N::PoSWNonce: Debug,
impl<N: Debug + Network> Debug for BlockHeader<N> where
N::LedgerRoot: Debug,
N::TransactionsRoot: Debug,
N::PoSWNonce: Debug,
sourceimpl<'de, N: Network> Deserialize<'de> for BlockHeader<N>
impl<'de, N: Network> Deserialize<'de> for BlockHeader<N>
sourcefn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
Deserialize this value from the given Serde deserializer. Read more
sourceimpl<N: Network> Display for BlockHeader<N>
impl<N: Network> Display for BlockHeader<N>
sourceimpl<N: Network> FromBytes for BlockHeader<N>
impl<N: Network> FromBytes for BlockHeader<N>
sourceimpl<N: Network> FromStr for BlockHeader<N>
impl<N: Network> FromStr for BlockHeader<N>
sourceimpl<N: PartialEq + Network> PartialEq<BlockHeader<N>> for BlockHeader<N> where
N::LedgerRoot: PartialEq,
N::TransactionsRoot: PartialEq,
N::PoSWNonce: PartialEq,
impl<N: PartialEq + Network> PartialEq<BlockHeader<N>> for BlockHeader<N> where
N::LedgerRoot: PartialEq,
N::TransactionsRoot: PartialEq,
N::PoSWNonce: PartialEq,
sourcefn eq(&self, other: &BlockHeader<N>) -> bool
fn eq(&self, other: &BlockHeader<N>) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &BlockHeader<N>) -> bool
fn ne(&self, other: &BlockHeader<N>) -> bool
This method tests for !=
.
sourceimpl<N: Network> Serialize for BlockHeader<N>
impl<N: Network> Serialize for BlockHeader<N>
sourceimpl<N: Network> ToBytes for BlockHeader<N>
impl<N: Network> ToBytes for BlockHeader<N>
impl<N: Eq + Network> Eq for BlockHeader<N> where
N::LedgerRoot: Eq,
N::TransactionsRoot: Eq,
N::PoSWNonce: Eq,
impl<N: Network> StructuralEq for BlockHeader<N>
impl<N: Network> StructuralPartialEq for BlockHeader<N>
Auto Trait Implementations
impl<N> RefUnwindSafe for BlockHeader<N> where
<<N as Network>::InnerCurve as PairingEngine>::G1Affine: RefUnwindSafe,
<N as Network>::InnerCurve: PairingEngine<Fq = <N as Network>::OuterScalarField> + PairingEngine<Fr = <N as Network>::InnerScalarField>,
<N as Network>::InnerScalarField: RefUnwindSafe,
<N as Network>::LedgerRoot: RefUnwindSafe,
<N as Network>::PoSWNonce: RefUnwindSafe,
<N as Network>::PoSWProof: RefUnwindSafe,
<N as Network>::TransactionsRoot: RefUnwindSafe,
impl<N> Send for BlockHeader<N> where
<N as Network>::InnerCurve: PairingEngine<Fq = <N as Network>::OuterScalarField> + PairingEngine<Fr = <N as Network>::InnerScalarField>,
impl<N> Sync for BlockHeader<N> where
<N as Network>::InnerCurve: PairingEngine<Fq = <N as Network>::OuterScalarField> + PairingEngine<Fr = <N as Network>::InnerScalarField>,
impl<N> Unpin for BlockHeader<N> where
<<N as Network>::InnerCurve as PairingEngine>::G1Affine: Unpin,
<N as Network>::InnerCurve: PairingEngine<Fq = <N as Network>::OuterScalarField> + PairingEngine<Fr = <N as Network>::InnerScalarField>,
<N as Network>::InnerScalarField: Unpin,
<N as Network>::LedgerRoot: Unpin,
<N as Network>::PoSWNonce: Unpin,
<N as Network>::PoSWProof: Unpin,
<N as Network>::TransactionsRoot: Unpin,
impl<N> UnwindSafe for BlockHeader<N> where
<<N as Network>::InnerCurve as PairingEngine>::G1Affine: UnwindSafe,
<N as Network>::InnerCurve: PairingEngine<Fq = <N as Network>::OuterScalarField> + PairingEngine<Fr = <N as Network>::InnerScalarField>,
<N as Network>::InnerScalarField: UnwindSafe,
<N as Network>::LedgerRoot: UnwindSafe,
<N as Network>::PoSWNonce: UnwindSafe,
<N as Network>::PoSWProof: UnwindSafe,
<N as Network>::TransactionsRoot: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
sourcepub fn equivalent(&self, key: &K) -> bool
pub fn equivalent(&self, key: &K) -> bool
Compare self to key
and return true
if they are equal.
impl<T> Pointable for T
impl<T> Pointable for T
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more