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Fetch changes trie roots + CHT-based proof for these roots (#896)

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* build CHT for changes tries roots

* collect chnages tries roots proof in key_changes_proof

* flush check_changes_proof

* fixed compilation

* LightDataChecker now has a ref to the blockchain

* continue passing proofs

* new light db tests

* more CHT tests

* more tests for key changes proof when headers are missing

* lost files
This commit is contained in:
Svyatoslav Nikolsky
2018-11-14 18:06:10 +03:00
committed by Gav Wood
parent 7f8ee0f53b
commit fa84cec382
19 changed files with 1035 additions and 313 deletions
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substrate/core/service/src/components.rs
+1 -1
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@@ -471,7 +471,7 @@ impl<Factory: ServiceFactory> Components for LightComponents<Factory> {
};
let db_storage = client_db::light::LightStorage::new(db_settings)?;
let light_blockchain = client::light::new_light_blockchain(db_storage);
let fetch_checker = Arc::new(client::light::new_fetch_checker::<_, Blake2Hasher>(executor));
let fetch_checker = Arc::new(client::light::new_fetch_checker::<_, Blake2Hasher, _, _, _>(light_blockchain.clone(), executor));
let fetcher = Arc::new(network::OnDemand::new(fetch_checker));
let client_backend = client::light::new_light_backend(light_blockchain, fetcher.clone());
let client = client::light::new_light(client_backend, fetcher.clone(), &config.chain_spec)?;