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serve epoch signals over network and check them

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This commit is contained in:
Robert Habermeier
2017-08-23 15:37:35 +02:00
parent 7f3e718851
commit 2ff3dff6ea
16 changed files with 298 additions and 30 deletions
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8
ethcore/light/src/client/fetch.rs
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@@ -16,9 +16,13 @@
//! Trait for fetching chain data.
use std::sync::Arc;
use ethcore::engines::{Engine, StateDependentProof};
use ethcore::header::Header;
use ethcore::receipt::Receipt;
use futures::future::IntoFuture;
use util::H256;
/// Provides full chain data.
pub trait ChainDataFetcher: Send + Sync + 'static {
@@ -39,7 +43,7 @@ pub trait ChainDataFetcher: Send + Sync + 'static {
fn block_receipts(&self, header: &Header) -> Self::Receipts;
/// Fetch epoch transition proof at given header.
fn epoch_transition(&self, header: &Header) -> Self::Transition;
fn epoch_transition(&self, hash: H256, engine: Arc<Engine>, checker: Arc<StateDependentProof>) -> Self::Transition;
}
/// Fetcher implementation which cannot fetch anything.
@@ -63,7 +67,7 @@ impl ChainDataFetcher for Unavailable {
Err("fetching block receipts unavailable")
}
fn epoch_transition(&self, _header: &Header) -> Self::Body {
fn epoch_transition(&self, _h: H256, _e: Arc<Engine>, _check: Arc<StateDependentProof>) -> Self::Transition {
Err("fetching epoch transition proofs unavailable")
}
}