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Create opaque struct for StorageProof. (#3834)

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Passing around Vec<Vec<u8>> everywhere is gross and confusing and
breaks encapsulation.
This commit is contained in:
Jim Posen
2019-10-31 11:02:29 +01:00
committed by Bastian Köcher
parent 073040a053
commit a167f37b91
20 changed files with 246 additions and 141 deletions
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substrate/core/client/src/cht.rs
+3 -3
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@@ -30,7 +30,7 @@ use trie;
use primitives::{H256, convert_hash};
use sr_primitives::traits::{Header as HeaderT, SimpleArithmetic, Zero, One};
use state_machine::backend::InMemory as InMemoryState;
use state_machine::{MemoryDB, TrieBackend, Backend as StateBackend,
use state_machine::{MemoryDB, TrieBackend, Backend as StateBackend, StorageProof,
prove_read_on_trie_backend, read_proof_check, read_proof_check_on_proving_backend};
use crate::error::{Error as ClientError, Result as ClientResult};
@@ -88,7 +88,7 @@ pub fn build_proof<Header, Hasher, BlocksI, HashesI>(
cht_num: Header::Number,
blocks: BlocksI,
hashes: HashesI
) -> ClientResult<Vec<Vec<u8>>>
) -> ClientResult<StorageProof>
where
Header: HeaderT,
Hasher: hash_db::Hasher,
@@ -114,7 +114,7 @@ pub fn check_proof<Header, Hasher>(
local_root: Header::Hash,
local_number: Header::Number,
remote_hash: Header::Hash,
remote_proof: Vec<Vec<u8>>
remote_proof: StorageProof,
) -> ClientResult<()>
where
Header: HeaderT,