diff --git a/Cargo.lock b/Cargo.lock
index d6c46ad9975e74ae945f81dd8f62423474ab279b..307a6a52329ce9a211db68fc809314b1ef1a963d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9423,6 +9423,7 @@ dependencies = [
"frame-system",
"parity-scale-codec",
"scale-info",
+ "sp-api",
"sp-arithmetic",
"sp-core",
"sp-io",
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/lib.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/lib.rs
index 1c67740ee54008cc78d5c18f553e53847852c835..9f01d397598cb3918565ea79c0edacb649cae395 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/lib.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/lib.rs
@@ -64,7 +64,7 @@ use sp_runtime::{
create_runtime_str, generic, impl_opaque_keys,
traits::Block as BlockT,
transaction_validity::{TransactionSource, TransactionValidity},
- ApplyExtrinsicResult, MultiAddress, Perbill,
+ ApplyExtrinsicResult, DispatchError, MultiAddress, Perbill,
};
use sp_std::prelude::*;
#[cfg(feature = "std")]
@@ -593,6 +593,12 @@ impl_runtime_apis! {
}
}
+ impl pallet_broker::runtime_api::BrokerApi<Block, Balance> for Runtime {
+ fn sale_price() -> Result<Balance, DispatchError> {
+ Broker::current_price()
+ }
+ }
+
impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
fn query_info(
uxt: <Block as BlockT>::Extrinsic,
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/lib.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/lib.rs
index 696618c37a28bd5ec110c67e79d851c4fa8e58df..29d348c1cd90ebfc96b6958fb7630cf741568862 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/lib.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/lib.rs
@@ -64,7 +64,7 @@ use sp_runtime::{
create_runtime_str, generic, impl_opaque_keys,
traits::Block as BlockT,
transaction_validity::{TransactionSource, TransactionValidity},
- ApplyExtrinsicResult, MultiAddress, Perbill,
+ ApplyExtrinsicResult, DispatchError, MultiAddress, Perbill,
};
use sp_std::prelude::*;
#[cfg(feature = "std")]
@@ -584,6 +584,12 @@ impl_runtime_apis! {
}
}
+ impl pallet_broker::runtime_api::BrokerApi<Block, Balance> for Runtime {
+ fn sale_price() -> Result<Balance, DispatchError> {
+ Broker::current_price()
+ }
+ }
+
impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
fn query_info(
uxt: <Block as BlockT>::Extrinsic,
diff --git a/prdoc/pr_3485.prdoc b/prdoc/pr_3485.prdoc
new file mode 100644
index 0000000000000000000000000000000000000000..2add8867c4cdb8215fcfeb2e249572d110320aea
--- /dev/null
+++ b/prdoc/pr_3485.prdoc
@@ -0,0 +1,20 @@
+# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0
+# See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json
+
+title: "Broker: sale price runtime api"
+
+doc:
+ - audience: Runtime Dev
+ description: |
+ Defines a runtime api for `pallet-broker` for getting the current price
+ of a core in the ongoing sale.
+
+ - audience: Runtime User
+ description: |
+ Defines a runtime api for `pallet-broker` for getting the current price
+ of a core in the ongoing sale.
+
+crates:
+ - name: pallet-broker
+ - name: coretime-rococo-runtime
+ - name: coretime-westend-runtime
diff --git a/substrate/frame/broker/Cargo.toml b/substrate/frame/broker/Cargo.toml
index 3b6bd2019cc1770247d27da74ab2e52603ff2cf9..969f13e269de4208a220150d688a21ffcc0191f1 100644
--- a/substrate/frame/broker/Cargo.toml
+++ b/substrate/frame/broker/Cargo.toml
@@ -18,6 +18,7 @@ targets = ["x86_64-unknown-linux-gnu"]
codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
scale-info = { version = "2.11.1", default-features = false, features = ["derive"] }
bitvec = { version = "1.0.0", default-features = false }
+sp-api = { path = "../../primitives/api", default-features = false }
sp-std = { path = "../../primitives/std", default-features = false }
sp-arithmetic = { path = "../../primitives/arithmetic", default-features = false }
sp-core = { path = "../../primitives/core", default-features = false }
@@ -39,6 +40,7 @@ std = [
"frame-support/std",
"frame-system/std",
"scale-info/std",
+ "sp-api/std",
"sp-arithmetic/std",
"sp-core/std",
"sp-io/std",
diff --git a/substrate/frame/broker/src/dispatchable_impls.rs b/substrate/frame/broker/src/dispatchable_impls.rs
index a87618147fea2667fe7d83937b543eb691da9b08..ef20bc8fb80b19eaddef8fa6011dac17ffa22609 100644
--- a/substrate/frame/broker/src/dispatchable_impls.rs
+++ b/substrate/frame/broker/src/dispatchable_impls.rs
@@ -105,8 +105,8 @@ impl<T: Config> Pallet<T> {
) -> Result<RegionId, DispatchError> {
let status = Status::<T>::get().ok_or(Error::<T>::Uninitialized)?;
let mut sale = SaleInfo::<T>::get().ok_or(Error::<T>::NoSales)?;
- ensure!(sale.first_core < status.core_count, Error::<T>::Unavailable);
- ensure!(sale.cores_sold < sale.cores_offered, Error::<T>::SoldOut);
+ Self::ensure_cores_for_sale(&status, &sale)?;
+
let now = frame_system::Pallet::<T>::block_number();
ensure!(now > sale.sale_start, Error::<T>::TooEarly);
let price = Self::sale_price(&sale, now);
@@ -131,8 +131,7 @@ impl<T: Config> Pallet<T> {
let config = Configuration::<T>::get().ok_or(Error::<T>::Uninitialized)?;
let status = Status::<T>::get().ok_or(Error::<T>::Uninitialized)?;
let mut sale = SaleInfo::<T>::get().ok_or(Error::<T>::NoSales)?;
- ensure!(sale.first_core < status.core_count, Error::<T>::Unavailable);
- ensure!(sale.cores_sold < sale.cores_offered, Error::<T>::SoldOut);
+ Self::ensure_cores_for_sale(&status, &sale)?;
let renewal_id = AllowedRenewalId { core, when: sale.region_begin };
let record = AllowedRenewals::<T>::get(renewal_id).ok_or(Error::<T>::NotAllowed)?;
@@ -456,4 +455,25 @@ impl<T: Config> Pallet<T> {
Ok(())
}
+
+ pub(crate) fn ensure_cores_for_sale(
+ status: &StatusRecord,
+ sale: &SaleInfoRecordOf<T>,
+ ) -> Result<(), DispatchError> {
+ ensure!(sale.first_core < status.core_count, Error::<T>::Unavailable);
+ ensure!(sale.cores_sold < sale.cores_offered, Error::<T>::SoldOut);
+
+ Ok(())
+ }
+
+ /// If there is an ongoing sale returns the current price of a core.
+ pub fn current_price() -> Result<BalanceOf<T>, DispatchError> {
+ let status = Status::<T>::get().ok_or(Error::<T>::Uninitialized)?;
+ let sale = SaleInfo::<T>::get().ok_or(Error::<T>::NoSales)?;
+
+ Self::ensure_cores_for_sale(&status, &sale)?;
+
+ let now = frame_system::Pallet::<T>::block_number();
+ Ok(Self::sale_price(&sale, now))
+ }
}
diff --git a/substrate/frame/broker/src/lib.rs b/substrate/frame/broker/src/lib.rs
index d059965a392acd438203c08c6cd4a46a11370545..a39576b09013f7fef9893ff87ae093eae467af5d 100644
--- a/substrate/frame/broker/src/lib.rs
+++ b/substrate/frame/broker/src/lib.rs
@@ -36,6 +36,8 @@ mod tick_impls;
mod types;
mod utility_impls;
+pub mod runtime_api;
+
pub mod weights;
pub use weights::WeightInfo;
@@ -132,7 +134,7 @@ pub mod pallet {
pub type AllowedRenewals<T> =
StorageMap<_, Twox64Concat, AllowedRenewalId, AllowedRenewalRecordOf<T>, OptionQuery>;
- /// The current (unassigned) Regions.
+ /// The current (unassigned or provisionally assigend) Regions.
#[pallet::storage]
pub type Regions<T> = StorageMap<_, Blake2_128Concat, RegionId, RegionRecordOf<T>, OptionQuery>;
diff --git a/substrate/frame/broker/src/runtime_api.rs b/substrate/frame/broker/src/runtime_api.rs
new file mode 100644
index 0000000000000000000000000000000000000000..6faab615650386205b95e60b4ffc623e6510af64
--- /dev/null
+++ b/substrate/frame/broker/src/runtime_api.rs
@@ -0,0 +1,31 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Runtime API definition for the FRAME Broker pallet.
+
+use codec::Codec;
+use sp_runtime::DispatchError;
+
+sp_api::decl_runtime_apis! {
+ pub trait BrokerApi<Balance>
+ where
+ Balance: Codec
+ {
+ /// If there is an ongoing sale returns the current price of a core.
+ fn sale_price() -> Result<Balance, DispatchError>;
+ }
+}