Struct sc_fast_sync_backend::Blockchain
source · pub struct Blockchain<Block: BlockT> { /* private fields */ }
Expand description
In-memory blockchain. Supports concurrent reads.
Implementations§
source§impl<Block: BlockT> Blockchain<Block>
impl<Block: BlockT> Blockchain<Block>
pub fn best_hash(&self) -> Block::Hash
sourcepub fn new() -> Blockchain<Block>
pub fn new() -> Blockchain<Block>
Create new in-memory blockchain storage.
sourcepub fn insert(
&self,
hash: Block::Hash,
header: <Block as BlockT>::Header,
justifications: Option<Justifications>,
body: Option<Vec<<Block as BlockT>::Extrinsic>>,
new_state: NewBlockState,
) -> Result<()>
pub fn insert( &self, hash: Block::Hash, header: <Block as BlockT>::Header, justifications: Option<Justifications>, body: Option<Vec<<Block as BlockT>::Extrinsic>>, new_state: NewBlockState, ) -> Result<()>
Insert a block header and associated data.
sourcepub fn blocks_count(&self) -> usize
pub fn blocks_count(&self) -> usize
Get total number of blocks.
sourcepub fn equals_to(&self, other: &Self) -> bool
pub fn equals_to(&self, other: &Self) -> bool
Compare this blockchain with another in-mem blockchain
sourcepub fn canon_equals_to(&self, other: &Self) -> bool
pub fn canon_equals_to(&self, other: &Self) -> bool
Compare canonical chain to other canonical chain.
sourcepub fn insert_cht_root(&self, block: NumberFor<Block>, cht_root: Block::Hash)
pub fn insert_cht_root(&self, block: NumberFor<Block>, cht_root: Block::Hash)
Insert header CHT root.
Trait Implementations§
source§impl<Block: BlockT> AuxStore for Blockchain<Block>
impl<Block: BlockT> AuxStore for Blockchain<Block>
source§fn insert_aux<'a, 'b: 'a, 'c: 'a, I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>, D: IntoIterator<Item = &'a &'b [u8]>>(
&self,
insert: I,
delete: D,
) -> Result<()>
fn insert_aux<'a, 'b: 'a, 'c: 'a, I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>, D: IntoIterator<Item = &'a &'b [u8]>>( &self, insert: I, delete: D, ) -> Result<()>
Insert auxiliary data into key-value store. Read more
source§impl<Block: BlockT> Backend<Block> for Blockchain<Block>
impl<Block: BlockT> Backend<Block> for Blockchain<Block>
source§fn body(
&self,
hash: Block::Hash,
) -> Result<Option<Vec<<Block as BlockT>::Extrinsic>>>
fn body( &self, hash: Block::Hash, ) -> Result<Option<Vec<<Block as BlockT>::Extrinsic>>>
Get block body. Returns
None
if block is not found.source§fn justifications(&self, hash: Block::Hash) -> Result<Option<Justifications>>
fn justifications(&self, hash: Block::Hash) -> Result<Option<Justifications>>
Get block justifications. Returns
None
if no justification exists.source§fn last_finalized(&self) -> Result<Block::Hash>
fn last_finalized(&self) -> Result<Block::Hash>
Get last finalized block hash.
source§fn leaves(&self) -> Result<Vec<Block::Hash>>
fn leaves(&self) -> Result<Vec<Block::Hash>>
Returns hashes of all blocks that are leaves of the block tree.
in other words, that have no children, are chain heads.
Results must be ordered best (longest, highest) chain first.
source§fn displaced_leaves_after_finalizing(
&self,
_finalized_block_hash: Block::Hash,
_finalized_block_number: NumberFor<Block>,
) -> Result<DisplacedLeavesAfterFinalization<Block>>
fn displaced_leaves_after_finalizing( &self, _finalized_block_hash: Block::Hash, _finalized_block_number: NumberFor<Block>, ) -> Result<DisplacedLeavesAfterFinalization<Block>>
Returns all leaves that will be displaced after the block finalization.
source§fn children(&self, _parent_hash: Block::Hash) -> Result<Vec<Block::Hash>>
fn children(&self, _parent_hash: Block::Hash) -> Result<Vec<Block::Hash>>
Return hashes of all blocks that are children of the block with
parent_hash
.source§fn indexed_transaction(&self, _hash: Block::Hash) -> Result<Option<Vec<u8>>>
fn indexed_transaction(&self, _hash: Block::Hash) -> Result<Option<Vec<u8>>>
Get single indexed transaction by content hash. Note that this will only fetch transactions
that are indexed by the runtime with
storage_index_transaction
.fn block_indexed_body(&self, _hash: Block::Hash) -> Result<Option<Vec<Vec<u8>>>>
§fn longest_containing(
&self,
base_hash: <Block as Block>::Hash,
import_lock: &RwLock<RawRwLock, ()>,
) -> Result<Option<<Block as Block>::Hash>, Error>
fn longest_containing( &self, base_hash: <Block as Block>::Hash, import_lock: &RwLock<RawRwLock, ()>, ) -> Result<Option<<Block as Block>::Hash>, Error>
Get the most recent block hash of the longest chain that contains
a block with the given
base_hash
. Read more§fn has_indexed_transaction(
&self,
hash: <Block as Block>::Hash,
) -> Result<bool, Error>
fn has_indexed_transaction( &self, hash: <Block as Block>::Hash, ) -> Result<bool, Error>
Check if indexed transaction exists.
source§impl<Block: Clone + BlockT> Clone for Blockchain<Block>
impl<Block: Clone + BlockT> Clone for Blockchain<Block>
source§fn clone(&self) -> Blockchain<Block>
fn clone(&self) -> Blockchain<Block>
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<Block: BlockT> Default for Blockchain<Block>
impl<Block: BlockT> Default for Blockchain<Block>
source§impl<Block: BlockT> HeaderBackend<Block> for Blockchain<Block>
impl<Block: BlockT> HeaderBackend<Block> for Blockchain<Block>
source§fn header(&self, hash: Block::Hash) -> Result<Option<<Block as BlockT>::Header>>
fn header(&self, hash: Block::Hash) -> Result<Option<<Block as BlockT>::Header>>
Get block header. Returns
None
if block is not found.source§fn number(&self, hash: Block::Hash) -> Result<Option<NumberFor<Block>>>
fn number(&self, hash: Block::Hash) -> Result<Option<NumberFor<Block>>>
Get block number by hash. Returns
None
if the header is not in the chain.source§fn hash(
&self,
number: <<Block as BlockT>::Header as HeaderT>::Number,
) -> Result<Option<Block::Hash>>
fn hash( &self, number: <<Block as BlockT>::Header as HeaderT>::Number, ) -> Result<Option<Block::Hash>>
Get block hash by number. Returns
None
if the header is not in the chain.§fn block_hash_from_id(
&self,
id: &BlockId<Block>,
) -> Result<Option<<Block as Block>::Hash>, Error>
fn block_hash_from_id( &self, id: &BlockId<Block>, ) -> Result<Option<<Block as Block>::Hash>, Error>
Convert an arbitrary block ID into a block hash.
§fn block_number_from_id(
&self,
id: &BlockId<Block>,
) -> Result<Option<<<Block as Block>::Header as Header>::Number>, Error>
fn block_number_from_id( &self, id: &BlockId<Block>, ) -> Result<Option<<<Block as Block>::Header as Header>::Number>, Error>
Convert an arbitrary block ID into a block hash.
§fn expect_header(
&self,
hash: <Block as Block>::Hash,
) -> Result<<Block as Block>::Header, Error>
fn expect_header( &self, hash: <Block as Block>::Hash, ) -> Result<<Block as Block>::Header, Error>
Get block header. Returns
UnknownBlock
error if block is not found.§fn expect_block_number_from_id(
&self,
id: &BlockId<Block>,
) -> Result<<<Block as Block>::Header as Header>::Number, Error>
fn expect_block_number_from_id( &self, id: &BlockId<Block>, ) -> Result<<<Block as Block>::Header as Header>::Number, Error>
Convert an arbitrary block ID into a block number. Returns
UnknownBlock
error if block is
not found.§fn expect_block_hash_from_id(
&self,
id: &BlockId<Block>,
) -> Result<<Block as Block>::Hash, Error>
fn expect_block_hash_from_id( &self, id: &BlockId<Block>, ) -> Result<<Block as Block>::Hash, Error>
Convert an arbitrary block ID into a block hash. Returns
UnknownBlock
error if block is
not found.source§impl<Block: BlockT> HeaderMetadata<Block> for Blockchain<Block>
impl<Block: BlockT> HeaderMetadata<Block> for Blockchain<Block>
fn header_metadata( &self, hash: Block::Hash, ) -> Result<CachedHeaderMetadata<Block>, Self::Error>
fn insert_header_metadata( &self, _hash: Block::Hash, _metadata: CachedHeaderMetadata<Block>, )
fn remove_header_metadata(&self, _hash: Block::Hash)
Auto Trait Implementations§
impl<Block> Freeze for Blockchain<Block>
impl<Block> !RefUnwindSafe for Blockchain<Block>
impl<Block> Send for Blockchain<Block>
impl<Block> Sync for Blockchain<Block>
impl<Block> Unpin for Blockchain<Block>
impl<Block> !UnwindSafe for Blockchain<Block>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
§fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
§fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)§impl<Block, T> ForkBackend<Block> for T
impl<Block, T> ForkBackend<Block> for T
§fn expand_forks(
&self,
fork_heads: &[<Block as Block>::Hash],
) -> Result<BTreeSet<<Block as Block>::Hash>, Error>
fn expand_forks( &self, fork_heads: &[<Block as Block>::Hash], ) -> Result<BTreeSet<<Block as Block>::Hash>, Error>
Returns block hashes for provided fork heads. It skips the fork if when blocks are missing
(e.g. warp-sync) and internal
tree_route
function fails. Read more§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more§impl<T, Outer> IsWrappedBy<Outer> for T
impl<T, Outer> IsWrappedBy<Outer> for T
§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
§fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
§fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
Consume self to return an equivalent value of
T
. Read more§impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
§fn unchecked_into(self) -> T
fn unchecked_into(self) -> T
The counterpart to
unchecked_from
.§impl<T, S> UniqueSaturatedInto<T> for S
impl<T, S> UniqueSaturatedInto<T> for S
§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of
T
.