//! Adapters that make one or more [`BlockSource`]s simpler to poll for new chain tip transitions.
-use crate::{AsyncBlockSourceResult, BlockHeaderData, BlockSource, BlockSourceError, BlockSourceResult};
+use crate::{AsyncBlockSourceResult, BlockData, BlockHeaderData, BlockSource, BlockSourceError, BlockSourceResult};
-use bitcoin::blockdata::block::Block;
use bitcoin::hash_types::BlockHash;
use bitcoin::network::constants::Network;
type T = ValidatedBlockHeader;
fn validate(self, block_hash: BlockHash) -> BlockSourceResult<Self::T> {
- self.header
+ let pow_valid_block_hash = self.header
.validate_pow(&self.header.target())
.or_else(|e| Err(BlockSourceError::persistent(e)))?;
- // TODO: Use the result of validate_pow instead of recomputing the block hash once upstream.
- if self.header.block_hash() != block_hash {
+ if pow_valid_block_hash != block_hash {
return Err(BlockSourceError::persistent("invalid block hash"));
}
}
}
-impl Validate for Block {
+impl Validate for BlockData {
type T = ValidatedBlock;
fn validate(self, block_hash: BlockHash) -> BlockSourceResult<Self::T> {
- self.header
- .validate_pow(&self.header.target())
+ let header = match &self {
+ BlockData::FullBlock(block) => &block.header,
+ BlockData::HeaderOnly(header) => header,
+ };
+
+ let pow_valid_block_hash = header
+ .validate_pow(&header.target())
.or_else(|e| Err(BlockSourceError::persistent(e)))?;
- // TODO: Use the result of validate_pow instead of recomputing the block hash once upstream.
- if self.block_hash() != block_hash {
+ if pow_valid_block_hash != block_hash {
return Err(BlockSourceError::persistent("invalid block hash"));
}
- if !self.check_merkle_root() {
- return Err(BlockSourceError::persistent("invalid merkle root"));
- }
+ if let BlockData::FullBlock(block) = &self {
+ if !block.check_merkle_root() {
+ return Err(BlockSourceError::persistent("invalid merkle root"));
+ }
- if !self.check_witness_commitment() {
- return Err(BlockSourceError::persistent("invalid witness commitment"));
+ if !block.check_witness_commitment() {
+ return Err(BlockSourceError::persistent("invalid witness commitment"));
+ }
}
Ok(ValidatedBlock { block_hash, inner: self })
/// A block with validated data against its transaction list and corresponding block hash.
pub struct ValidatedBlock {
pub(crate) block_hash: BlockHash,
- inner: Block,
+ inner: BlockData,
}
impl std::ops::Deref for ValidatedBlock {
- type Target = Block;
+ type Target = BlockData;
fn deref(&self) -> &Self::Target {
&self.inner
pub trait Validate {}
impl Validate for crate::BlockHeaderData {}
- impl Validate for bitcoin::blockdata::block::Block {}
+ impl Validate for crate::BlockData {}
}
/// The canonical `Poll` implementation used for a single `BlockSource`.
///
/// Other `Poll` implementations should be built using `ChainPoller` as it provides the simplest way
/// of validating chain data and checking consistency.
-pub struct ChainPoller<B: Deref<Target=T> + Sized, T: BlockSource> {
+pub struct ChainPoller<B: Deref<Target=T> + Sized + Send + Sync, T: BlockSource + ?Sized> {
block_source: B,
network: Network,
}
-impl<B: Deref<Target=T> + Sized, T: BlockSource> ChainPoller<B, T> {
+impl<B: Deref<Target=T> + Sized + Send + Sync, T: BlockSource + ?Sized> ChainPoller<B, T> {
/// Creates a new poller for the given block source.
///
/// If the `network` parameter is mainnet, then the difficulty between blocks is checked for
}
}
-impl<B: Deref<Target=T> + Sized + Send + Sync, T: BlockSource> Poll for ChainPoller<B, T> {
+impl<B: Deref<Target=T> + Sized + Send + Sync, T: BlockSource + ?Sized> Poll for ChainPoller<B, T> {
fn poll_chain_tip<'a>(&'a self, best_known_chain_tip: ValidatedBlockHeader) ->
AsyncBlockSourceResult<'a, ChainTip>
{