Trait reth::providers::HeaderProvider
pub trait HeaderProvider: Send + Sync {
// Required methods
fn header(
&self,
block_hash: &FixedBytes<32>,
) -> Result<Option<Header>, ProviderError>;
fn header_by_number(
&self,
num: u64,
) -> Result<Option<Header>, ProviderError>;
fn header_td(
&self,
hash: &FixedBytes<32>,
) -> Result<Option<Uint<256, 4>>, ProviderError>;
fn header_td_by_number(
&self,
number: u64,
) -> Result<Option<Uint<256, 4>>, ProviderError>;
fn headers_range(
&self,
range: impl RangeBounds<u64>,
) -> Result<Vec<Header>, ProviderError>;
fn sealed_header(
&self,
number: u64,
) -> Result<Option<SealedHeader>, ProviderError>;
fn sealed_headers_while(
&self,
range: impl RangeBounds<u64>,
predicate: impl FnMut(&SealedHeader) -> bool,
) -> Result<Vec<SealedHeader>, ProviderError>;
// Provided methods
fn is_known(
&self,
block_hash: &FixedBytes<32>,
) -> Result<bool, ProviderError> { ... }
fn header_by_hash_or_number(
&self,
hash_or_num: BlockHashOrNumber,
) -> Result<Option<Header>, ProviderError> { ... }
fn sealed_headers_range(
&self,
range: impl RangeBounds<u64>,
) -> Result<Vec<SealedHeader>, ProviderError> { ... }
}Expand description
Client trait for fetching Header related data.
Required Methods§
fn header(
&self,
block_hash: &FixedBytes<32>,
) -> Result<Option<Header>, ProviderError>
fn header( &self, block_hash: &FixedBytes<32>, ) -> Result<Option<Header>, ProviderError>
Get header by block hash
fn header_by_number(&self, num: u64) -> Result<Option<Header>, ProviderError>
fn header_by_number(&self, num: u64) -> Result<Option<Header>, ProviderError>
Get header by block number
fn header_td(
&self,
hash: &FixedBytes<32>,
) -> Result<Option<Uint<256, 4>>, ProviderError>
fn header_td( &self, hash: &FixedBytes<32>, ) -> Result<Option<Uint<256, 4>>, ProviderError>
Get total difficulty by block hash.
fn header_td_by_number(
&self,
number: u64,
) -> Result<Option<Uint<256, 4>>, ProviderError>
fn header_td_by_number( &self, number: u64, ) -> Result<Option<Uint<256, 4>>, ProviderError>
Get total difficulty by block number.
fn headers_range(
&self,
range: impl RangeBounds<u64>,
) -> Result<Vec<Header>, ProviderError>
fn headers_range( &self, range: impl RangeBounds<u64>, ) -> Result<Vec<Header>, ProviderError>
Get headers in range of block numbers
fn sealed_header(
&self,
number: u64,
) -> Result<Option<SealedHeader>, ProviderError>
fn sealed_header( &self, number: u64, ) -> Result<Option<SealedHeader>, ProviderError>
Get a single sealed header by block number.
fn sealed_headers_while(
&self,
range: impl RangeBounds<u64>,
predicate: impl FnMut(&SealedHeader) -> bool,
) -> Result<Vec<SealedHeader>, ProviderError>
fn sealed_headers_while( &self, range: impl RangeBounds<u64>, predicate: impl FnMut(&SealedHeader) -> bool, ) -> Result<Vec<SealedHeader>, ProviderError>
Get sealed headers while predicate returns true or the range is exhausted.
Provided Methods§
fn is_known(&self, block_hash: &FixedBytes<32>) -> Result<bool, ProviderError>
fn is_known(&self, block_hash: &FixedBytes<32>) -> Result<bool, ProviderError>
Check if block is known
fn header_by_hash_or_number(
&self,
hash_or_num: BlockHashOrNumber,
) -> Result<Option<Header>, ProviderError>
fn header_by_hash_or_number( &self, hash_or_num: BlockHashOrNumber, ) -> Result<Option<Header>, ProviderError>
Get header by block number or hash
fn sealed_headers_range(
&self,
range: impl RangeBounds<u64>,
) -> Result<Vec<SealedHeader>, ProviderError>
fn sealed_headers_range( &self, range: impl RangeBounds<u64>, ) -> Result<Vec<SealedHeader>, ProviderError>
Get headers in range of block numbers.
Object Safety§
This trait is not object safe.