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Fetching multiple remote values using single message (#3612)

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* multiple remote values in single message

* keys_str: String ->keys_str: closure
This commit is contained in:
Svyatoslav Nikolsky
2019-09-16 13:30:21 +03:00
committed by GitHub
parent c45a15e559
commit 849e824652
11 changed files with 273 additions and 190 deletions
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substrate/core/rpc/src/state/state_light.rs
+18 -4
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@@ -153,9 +153,16 @@ impl<Block, F, B, E, RA> StateBackend<B, E, Block, RA> for LightState<Block, F,
Ok(header) => Either::Left(fetcher.remote_read(RemoteReadRequest {
block: header.hash(),
header,
key: key.0,
keys: vec![key.0.clone()],
retry_count: Default::default(),
}).then(|result| ready(result.map(|data| data.map(StorageData)).map_err(client_err)))),
}).then(move |result| ready(result
.map(|mut data| data
.remove(&key.0)
.expect("successful result has entry for all keys; qed")
.map(StorageData)
)
.map_err(client_err)
))),
Err(error) => Either::Right(ready(Err(error))),
});
@@ -197,9 +204,16 @@ impl<Block, F, B, E, RA> StateBackend<B, E, Block, RA> for LightState<Block, F,
block: header.hash(),
header,
storage_key: child_storage_key.0,
key: key.0,
keys: vec![key.0.clone()],
retry_count: Default::default(),
}).then(|result| ready(result.map(|data| data.map(StorageData)).map_err(client_err)))),
}).then(move |result| ready(result
.map(|mut data| data
.remove(&key.0)
.expect("successful result has entry for all keys; qed")
.map(StorageData)
)
.map_err(client_err)
))),
Err(error) => Either::Right(ready(Err(error))),
});