Rename Palette to FRAME (#4182)

* palette -> frame * PALETTE, Palette -> FRAME * Move folder pallete -> frame * Update docs/Structure.adoc Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com> * Update docs/README.adoc Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com> * Update README.adoc
2026-06-14 09:51:10 +00:00 · 2019-11-22 19:21:25 +01:00
parent 68351da29b
commit c9175b59ff
206 changed files with 485 additions and 483 deletions
@@ -0,0 +1,108 @@
+// 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/>.
+
+//! RPC interface for the transaction payment module.
+
+use std::sync::Arc;
+use codec::{Codec, Decode};
+use client::blockchain::HeaderBackend;
+use jsonrpc_core::{Error as RpcError, ErrorCode, Result};
+use jsonrpc_derive::rpc;
+use sr_primitives::{
+	generic::BlockId,
+	traits::{Block as BlockT, ProvideRuntimeApi},
+};
+use primitives::Bytes;
+use pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo;
+pub use pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi as TransactionPaymentRuntimeApi;
+pub use self::gen_client::Client as TransactionPaymentClient;
+
+#[rpc]
+pub trait TransactionPaymentApi<BlockHash, Balance> {
+	#[rpc(name = "payment_queryInfo")]
+	fn query_info(
+		&self,
+		encoded_xt: Bytes,
+		at: Option<BlockHash>
+	) -> Result<RuntimeDispatchInfo<Balance>>;
+}
+
+/// A struct that implements the [`TransactionPaymentApi`].
+pub struct TransactionPayment<C, P> {
+	client: Arc<C>,
+	_marker: std::marker::PhantomData<P>,
+}
+
+impl<C, P> TransactionPayment<C, P> {
+	/// Create new `TransactionPayment` with the given reference to the client.
+	pub fn new(client: Arc<C>) -> Self {
+		TransactionPayment { client, _marker: Default::default() }
+	}
+}
+
+/// Error type of this RPC api.
+pub enum Error {
+	/// The transaction was not decodable.
+	DecodeError,
+	/// The call to runtime failed.
+	RuntimeError,
+}
+
+impl From<Error> for i64 {
+	fn from(e: Error) -> i64 {
+		match e {
+			Error::RuntimeError => 1,
+			Error::DecodeError => 2,
+		}
+	}
+}
+
+impl<C, Block, Balance, Extrinsic> TransactionPaymentApi<<Block as BlockT>::Hash, Balance>
+	for TransactionPayment<C, (Block, Extrinsic)>
+where
+	Block: BlockT,
+	C: Send + Sync + 'static,
+	C: ProvideRuntimeApi,
+	C: HeaderBackend<Block>,
+	C::Api: TransactionPaymentRuntimeApi<Block, Balance, Extrinsic>,
+	Balance: Codec,
+	Extrinsic: Codec + Send + Sync + 'static,
+{
+	fn query_info(
+		&self,
+		encoded_xt: Bytes,
+		at: Option<<Block as BlockT>::Hash>
+	) -> Result<RuntimeDispatchInfo<Balance>> {
+		let api = self.client.runtime_api();
+		let at = BlockId::hash(at.unwrap_or_else(||
+			// If the block hash is not supplied assume the best block.
+			self.client.info().best_hash
+		));
+
+		let encoded_len = encoded_xt.len() as u32;
+
+		let uxt: Extrinsic = Decode::decode(&mut &*encoded_xt).map_err(|e| RpcError {
+			code: ErrorCode::ServerError(Error::DecodeError.into()),
+			message: "Unable to query dispatch info.".into(),
+			data: Some(format!("{:?}", e).into()),
+		})?;
+		api.query_info(&at, uxt, encoded_len).map_err(|e| RpcError {
+			code: ErrorCode::ServerError(Error::RuntimeError.into()),
+			message: "Unable to query dispatch info.".into(),
+			data: Some(format!("{:?}", e).into()),
+		})
+	}
+}