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Make HashDB generic (#8739)

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The `patricia_trie` crate is generic over the hasher (by way of HashDB) and node encoding scheme. Adds a new `patricia_trie_ethereum` crate with concrete impls for Keccak/RLP.
This commit is contained in:
David
2018-07-02 18:50:05 +02:00
committed by GitHub
parent 202c54d423
commit 9caa868603
89 changed files with 1962 additions and 1282 deletions
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19
ethcore/light/src/client/header_chain.rs
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@@ -28,28 +28,21 @@
use std::collections::BTreeMap;
use std::sync::Arc;
use cache::Cache;
use cht;
use ethcore::block_status::BlockStatus;
use ethcore::error::{Error, BlockImportError, BlockImportErrorKind, BlockError};
use ethcore::encoded;
use ethcore::engines::epoch::{Transition as EpochTransition, PendingTransition as PendingEpochTransition};
use ethcore::error::{Error, BlockImportError, BlockImportErrorKind, BlockError};
use ethcore::header::Header;
use ethcore::ids::BlockId;
use ethcore::spec::{Spec, SpecHardcodedSync};
use ethcore::engines::epoch::{
Transition as EpochTransition,
PendingTransition as PendingEpochTransition
};
use rlp::{Encodable, Decodable, DecoderError, RlpStream, Rlp};
use heapsize::HeapSizeOf;
use ethereum_types::{H256, H264, U256};
use plain_hasher::H256FastMap;
use heapsize::HeapSizeOf;
use kvdb::{DBTransaction, KeyValueDB};
use cache::Cache;
use parking_lot::{Mutex, RwLock};
use plain_hasher::H256FastMap;
use rlp::{Encodable, Decodable, DecoderError, RlpStream, Rlp};
use smallvec::SmallVec;
/// Store at least this many candidate headers at all times.