Custom RPC implementation for node. (#3109)

* Allow RPCs to be customized. * Implement node-rpc extensions. * Working on a test. * Add node-testing crate. * Fix genesis test config * Fix nonce lookups. * Clean up. * Fix expected block type. * Make the RPC extension function optional. * Fix service doc test. * Bump jsonrpc. * Bump client version. * Update Cargo.lock * Update jsonrpc. * Fix build. * Remove unused imports. * Fix signed extra. * Post merge clean up. * Fix tests. * Patch hashmap-core. * Fix build. * Fix build. * Remove hashmap_core patches.
2026-04-28 08:37:56 +00:00 · 2019-08-20 11:06:35 +02:00
parent 95abffc8e4
commit 56296386ab
29 changed files with 838 additions and 278 deletions
@@ -0,0 +1,103 @@
+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Test accounts.
+
+use keyring::{AccountKeyring, Sr25519Keyring, Ed25519Keyring};
+use node_primitives::{AccountId, Balance, Index};
+use node_runtime::{CheckedExtrinsic, UncheckedExtrinsic, SessionKeys, SignedExtra};
+use sr_primitives::generic::Era;
+use codec::Encode;
+
+/// Alice's account id.
+pub fn alice() -> AccountId {
+	AccountKeyring::Alice.into()
+}
+
+/// Bob's account id.
+pub fn bob() -> AccountId {
+	AccountKeyring::Bob.into()
+}
+
+/// Charlie's account id.
+pub fn charlie() -> AccountId {
+	AccountKeyring::Charlie.into()
+}
+
+/// Dave's account id.
+pub fn dave() -> AccountId {
+	AccountKeyring::Dave.into()
+}
+
+/// Eve's account id.
+pub fn eve() -> AccountId {
+	AccountKeyring::Eve.into()
+}
+
+/// Ferdie's account id.
+pub fn ferdie() -> AccountId {
+	AccountKeyring::Ferdie.into()
+}
+
+/// Convert keyrings into `SessionKeys`.
+pub fn to_session_keys(
+	ed25519_keyring: &Ed25519Keyring,
+	sr25519_keyring: &Sr25519Keyring,
+) -> SessionKeys {
+	SessionKeys {
+		grandpa: ed25519_keyring.to_owned().public().into(),
+		babe: sr25519_keyring.to_owned().public().into(),
+		im_online: sr25519_keyring.to_owned().public().into(),
+	}
+}
+
+/// Returns transaction extra.
+pub fn signed_extra(nonce: Index, extra_fee: Balance) -> SignedExtra {
+	(
+		system::CheckVersion::new(),
+		system::CheckGenesis::new(),
+		system::CheckEra::from(Era::mortal(256, 0)),
+		system::CheckNonce::from(nonce),
+		system::CheckWeight::new(),
+		balances::TakeFees::from(extra_fee)
+	)
+}
+
+/// Sign given `CheckedExtrinsic`.
+pub fn sign(xt: CheckedExtrinsic, version: u32, genesis_hash: [u8; 32]) -> UncheckedExtrinsic {
+	match xt.signed {
+		Some((signed, extra)) => {
+			let payload = (xt.function, extra.clone(), version, genesis_hash, genesis_hash);
+			let key = AccountKeyring::from_public(&signed).unwrap();
+			let signature = payload.using_encoded(|b| {
+				if b.len() > 256 {
+					key.sign(&sr_io::blake2_256(b))
+				} else {
+					key.sign(b)
+				}
+			}).into();
+			UncheckedExtrinsic {
+				signature: Some((indices::address::Address::Id(signed), signature, extra)),
+				function: payload.0,
+			}
+		}
+		None => UncheckedExtrinsic {
+			signature: None,
+			function: xt.function,
+		},
+	}
+}
+