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Updating REST API.

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- Made /beacon/state return the current 'head' state when no parameters are provided.
 - Added some of the YAML api spec stuff to the /beacon/state endpoint in the rest_api spec.
This commit is contained in:
Luke Anderson
2019-09-03 16:30:04 +10:00
parent 632c13a9ec
commit c13f27e245
2 changed files with 60 additions and 3 deletions
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22
beacon_node/rest_api/src/beacon.rs
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@@ -163,8 +163,26 @@ pub fn get_state<T: BeaconChainTypes + 'static>(req: Request<Body>) -> ApiResult
.get::<Arc<BeaconChain<T>>>()
.ok_or_else(|| ApiError::ServerError("Beacon chain extension missing".to_string()))?;
let query_params = ["root", "slot"];
let (key, value) = UrlQuery::from_request(&req)?.first_of(&query_params)?;
let (key, value) = match UrlQuery::from_request(&req) {
Ok(query) => {
// We have *some* parameters, check them.
let query_params = ["root", "slot"];
match query.first_of(&query_params) {
Ok((k, v)) => (k, v),
Err(e) => {
// Wrong parameters provided, or another error, return the error.
return Err(e);
}
}
},
Err(ApiError::InvalidQueryParams(_)) => {
// No parameters provided at all, use current slot.
(String::from("slot"), beacon_chain.head().beacon_state.slot.to_string())
}
Err(e) => {
return Err(e);
}
};
let (root, state): (Hash256, BeaconState<T::EthSpec>) = match (key.as_ref(), value) {
("slot", value) => state_at_slot(&beacon_chain, parse_slot(&value)?)?,