sc_rpc_api/author/mod.rs
1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
5
6// This program is free software: you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation, either version 3 of the License, or
9// (at your option) any later version.
10
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with this program. If not, see <https://www.gnu.org/licenses/>.
18
19//! Substrate block-author/full-node API.
20
21use error::Error;
22use jsonrpsee::proc_macros::rpc;
23use sc_transaction_pool_api::TransactionStatus;
24use sp_core::Bytes;
25
26pub mod error;
27pub mod hash;
28
29/// Output of [`AuthorApiServer::rotate_keys_with_owner`].
30#[derive(serde::Serialize, serde::Deserialize, Clone)]
31pub struct GeneratedSessionKeys {
32 /// The public session keys for registering them on chain.
33 pub keys: Bytes,
34
35 /// The `proof` for verifying ownership of the generated session keys.
36 ///
37 /// This will be `None` iff the chain doesn't support generating the `proof`.
38 #[serde(skip_serializing_if = "Option::is_none")]
39 #[serde(default)]
40 pub proof: Option<Bytes>,
41}
42
43/// Substrate authoring RPC API
44#[rpc(client, server)]
45pub trait AuthorApi<Hash, BlockHash> {
46 /// Submit hex-encoded extrinsic for inclusion in block.
47 #[method(name = "author_submitExtrinsic")]
48 async fn submit_extrinsic(&self, extrinsic: Bytes) -> Result<Hash, Error>;
49
50 /// Insert a key into the keystore.
51 #[method(name = "author_insertKey", with_extensions)]
52 fn insert_key(&self, key_type: String, suri: String, public: Bytes) -> Result<(), Error>;
53
54 /// Generate new session keys and returns the corresponding public keys.
55 #[method(name = "author_rotateKeys", with_extensions)]
56 fn rotate_keys(&self) -> Result<Bytes, Error>;
57
58 /// Generate new session keys and returns the corresponding public keys.
59 ///
60 /// The `owner` should be something that can be used on chain for verifying the ownership of the
61 /// generated keys using the returned `proof`. For example, `owner` could be set to the account
62 /// id of the account registering the returned public session keys. The actual data to pass for
63 /// `owner` depends on the runtime logic verifying the `proof`.
64 #[method(name = "author_rotateKeysWithOwner", with_extensions)]
65 fn rotate_keys_with_owner(&self, owner: Bytes) -> Result<GeneratedSessionKeys, Error>;
66
67 /// Checks if the keystore has private keys for the given session public keys.
68 ///
69 /// `session_keys` is the SCALE encoded session keys object from the runtime.
70 ///
71 /// Returns `true` iff all private keys could be found.
72 #[method(name = "author_hasSessionKeys", with_extensions)]
73 fn has_session_keys(&self, session_keys: Bytes) -> Result<bool, Error>;
74
75 /// Checks if the keystore has private keys for the given public key and key type.
76 ///
77 /// Returns `true` if a private key could be found.
78 #[method(name = "author_hasKey", with_extensions)]
79 fn has_key(&self, public_key: Bytes, key_type: String) -> Result<bool, Error>;
80
81 /// Returns all pending extrinsics, potentially grouped by sender.
82 #[method(name = "author_pendingExtrinsics")]
83 fn pending_extrinsics(&self) -> Result<Vec<Bytes>, Error>;
84
85 /// Remove given extrinsic from the pool and temporarily ban it to prevent reimporting.
86 #[method(name = "author_removeExtrinsic", with_extensions)]
87 async fn remove_extrinsic(
88 &self,
89 bytes_or_hash: Vec<hash::ExtrinsicOrHash<Hash>>,
90 ) -> Result<Vec<Hash>, Error>;
91
92 /// Submit an extrinsic to watch.
93 ///
94 /// See [`TransactionStatus`](sc_transaction_pool_api::TransactionStatus) for details on
95 /// transaction life cycle.
96 #[subscription(
97 name = "author_submitAndWatchExtrinsic" => "author_extrinsicUpdate",
98 unsubscribe = "author_unwatchExtrinsic",
99 item = TransactionStatus<Hash, BlockHash>,
100 )]
101 fn watch_extrinsic(&self, bytes: Bytes);
102}