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Make light client backend only work with locally available data (#3538)

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* removing fetcher dependency from light backend

* fix compilation
This commit is contained in:
Svyatoslav Nikolsky
2019-09-12 18:13:26 +03:00
committed by Gavin Wood
parent fd924c07ed
commit 634ca73e50
10 changed files with 267 additions and 563 deletions
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substrate/core/client/src/light/fetcher.rs
+5 -7
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@@ -221,15 +221,15 @@ pub trait FetchChecker<Block: BlockT>: Send + Sync {
}
/// Remote data checker.
pub struct LightDataChecker<E, H, B: BlockT, S: BlockchainStorage<B>, F> {
blockchain: Arc<Blockchain<S, F>>,
pub struct LightDataChecker<E, H, B: BlockT, S: BlockchainStorage<B>> {
blockchain: Arc<Blockchain<S>>,
executor: E,
_hasher: PhantomData<(B, H)>,
}
impl<E, H, B: BlockT, S: BlockchainStorage<B>, F> LightDataChecker<E, H, B, S, F> {
impl<E, H, B: BlockT, S: BlockchainStorage<B>> LightDataChecker<E, H, B, S> {
/// Create new light data checker.
pub fn new(blockchain: Arc<Blockchain<S, F>>, executor: E) -> Self {
pub fn new(blockchain: Arc<Blockchain<S>>, executor: E) -> Self {
Self {
blockchain, executor, _hasher: PhantomData
}
@@ -367,14 +367,13 @@ impl<E, H, B: BlockT, S: BlockchainStorage<B>, F> LightDataChecker<E, H, B, S, F
}
}
impl<E, Block, H, S, F> FetchChecker<Block> for LightDataChecker<E, H, Block, S, F>
impl<E, Block, H, S> FetchChecker<Block> for LightDataChecker<E, H, Block, S>
where
Block: BlockT,
E: CodeExecutor<H>,
H: Hasher,
H::Out: Ord + 'static,
S: BlockchainStorage<Block>,
F: Send + Sync,
{
fn check_header_proof(
&self,
@@ -563,7 +562,6 @@ pub mod tests {
Blake2Hasher,
Block,
DummyStorage,
OkCallFetcher,
>;
fn prepare_for_read_proof_check() -> (TestChecker, Header, Vec<Vec<u8>>, u32) {