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Validator API (#504)

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* Implemented more REST API endpoints.
 - Added many of the endpoints, which return 501 - Not Implemented
 - Created helper function to return a not implemented error
 - Created a parse_pubkey function to get a PublicKey from a hex string
 - Created a HTTP handler for the validator endpoints
 - Started implementing validator/duties endpoint.

* Fleshed out get validator duties.
 - Re-implemented the get validator duties function for the REST API
 - Added an 'as_hex_string' function to FakePublicKey, beacuse it was missing.

* Fixed small caching/state bug.

* Extended to array of API inputs.
 - Created  function for getting arrays from GET parameters.
 - Extended get validator duties function to support array of validator duties.

* Tidy API to be more consistent with recent decisions

* Addressing Paul's comments.
 - Cleaning up function to get list of proposers.
 - Removing unnecessary serde annotations
 - Clarifying error messages
 - Only accept pubkeys if they are '0x' prefixed.

* Fixed formatting with rustfmt.
This commit is contained in:
Luke Anderson
2019-08-28 00:40:35 +10:00
parent ce43a59fff
commit 328f11d564
7 changed files with 253 additions and 6 deletions
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46
beacon_node/rest_api/src/lib.rs
View File

@@ -10,6 +10,7 @@ mod network;
mod node;
mod spec;
mod url_query;
mod validator;
use beacon_chain::{BeaconChain, BeaconChainTypes};
use client_network::Service as NetworkService;
@@ -123,14 +124,26 @@ pub fn start_server<T: BeaconChainTypes>(
// Route the request to the correct handler.
let result = match (req.method(), path.as_ref()) {
// Methods for Beacon Node
//TODO: Remove?
//(&Method::GET, "/beacon/best_slot") => beacon::get_best_slot::<T>(req),
(&Method::GET, "/beacon/head") => beacon::get_head::<T>(req),
(&Method::GET, "/beacon/block") => beacon::get_block::<T>(req),
(&Method::GET, "/beacon/blocks") => helpers::implementation_pending_response(req),
//TODO Is the below replaced by finalized_checkpoint?
(&Method::GET, "/beacon/chainhead") => {
helpers::implementation_pending_response(req)
}
(&Method::GET, "/beacon/block_root") => beacon::get_block_root::<T>(req),
(&Method::GET, "/beacon/latest_finalized_checkpoint") => {
beacon::get_latest_finalized_checkpoint::<T>(req)
}
(&Method::GET, "/beacon/state") => beacon::get_state::<T>(req),
(&Method::GET, "/beacon/state_root") => beacon::get_state_root::<T>(req),
//TODO: Add aggreggate/filtered state lookups here, e.g. /beacon/validators/balances
// Methods for Client
(&Method::GET, "/metrics") => metrics::get_prometheus::<T>(req),
(&Method::GET, "/network/enr") => network::get_enr::<T>(req),
(&Method::GET, "/network/peer_count") => network::get_peer_count::<T>(req),
@@ -142,9 +155,40 @@ pub fn start_server<T: BeaconChainTypes>(
}
(&Method::GET, "/node/version") => node::get_version(req),
(&Method::GET, "/node/genesis_time") => node::get_genesis_time::<T>(req),
(&Method::GET, "/node/deposit_contract") => {
helpers::implementation_pending_response(req)
}
(&Method::GET, "/node/syncing") => helpers::implementation_pending_response(req),
(&Method::GET, "/node/fork") => helpers::implementation_pending_response(req),
// Methods for Network
(&Method::GET, "/network/enr") => network::get_enr::<T>(req),
(&Method::GET, "/network/peer_count") => network::get_peer_count::<T>(req),
(&Method::GET, "/network/peer_id") => network::get_peer_id::<T>(req),
(&Method::GET, "/network/peers") => network::get_peer_list::<T>(req),
(&Method::GET, "/network/listen_addresses") => {
network::get_listen_addresses::<T>(req)
}
// Methods for Validator
(&Method::GET, "/validator/duties") => validator::get_validator_duties::<T>(req),
(&Method::GET, "/validator/block") => helpers::implementation_pending_response(req),
(&Method::POST, "/validator/block") => {
helpers::implementation_pending_response(req)
}
(&Method::GET, "/validator/attestation") => {
helpers::implementation_pending_response(req)
}
(&Method::POST, "/validator/attestation") => {
helpers::implementation_pending_response(req)
}
(&Method::GET, "/spec") => spec::get_spec::<T>(req),
(&Method::GET, "/spec/slots_per_epoch") => spec::get_slots_per_epoch::<T>(req),
_ => Err(ApiError::MethodNotAllowed(path.clone())),
_ => Err(ApiError::NotFound(
"Request path and/or method not found.".to_owned(),
)),
};
let response = match result {