Add darwinia-fee-market pallet

Cargo.toml

@@ -38,6 +38,9 @@ members = [
 	"frame/evm/precompile/contracts/simple",
 	"frame/evm/precompile/contracts/transfer",
 	"frame/evm/precompile/contracts/sha3fips",
+	"frame/fee-market",
+	"frame/fee-market/rpc",
+	"frame/fee-market/rpc/runtime-api",
 	"frame/header-mmr",
 	"frame/header-mmr/rpc",
 	"frame/header-mmr/rpc/runtime-api",
@@ -57,6 +60,7 @@ members = [
 	"primitives/contract",
 	"primitives/ethereum",
 	"primitives/evm",
+	"primitives/fee-market",
 	"primitives/merkle-patricia-trie",
 	"primitives/relay",
 	"primitives/rpc",

docs/CODEOWNERS

@@ -47,6 +47,9 @@
 /frame/elections-phragmen/ @AurevoirXavier
 /frame/evm/ @AsceticBear @HackFisher
 /frame/evm/precompile/ @AsceticBear @HackFisher @xiaoch05
+/frame/fee-market/ @AsceticBear @HackFisher
+/frame/fee-market/rpc/ @AsceticBear
+/frame/fee-market/rpc/runtime-api/ @AsceticBear
 /frame/header-mmr/ @AurevoirXavier @HackFisher
 /frame/staking/ @AurevoirXavier @HackFisher
 /frame/staking/rpc/ @AurevoirXavier
@@ -57,6 +60,7 @@
 /primitives/consensus/ @AsceticBear
 /primitives/ethereum/ @AurevoirXavier @HackFisher
 /primitives/evm/ @AsceticBear
+/primitives/fee-market/ @AsceticBear
 /primitives/merkle-patricia-trie/ @AurevoirXavier @HackFisher
 /primitives/relay/ @AurevoirXavier
 /primitives/rpc/ @AsceticBear

frame/fee-market/Cargo.toml

@@ -0,0 +1,65 @@
+[package]
+authors     = ["Darwinia Network <hello@darwinia.network>"]
+description = "Fee Market provides suitable fee for message relaying"
+edition     = "2018"
+homepage    = "https://darwinia.network/"
+license     = "GPL-3.0"
+name        = "darwinia-fee-market"
+readme      = "README.md"
+repository  = "https://github.com/darwinia-network/darwinia-common/"
+version     = "2.6.6"
+
+[dependencies]
+# crates.io
+bitvec      = { version = "0.20", default-features = false, features = ["alloc"] }
+codec       = { package = "parity-scale-codec", version = "2.1.1", default-features = false }
+log         = { version = "0.4.14", default-features = false }
+num-traits  = { version = "0.2", default-features = false }
+# darwinia-network
+darwinia-support = { default-features = false, path = "../support" }
+dp-fee           = { default-features = false, path = "../../primitives/fee-market"}
+# paritytech
+frame-benchmarking  = { optional = true, default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+frame-support       = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+frame-system        = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+pallet-timestamp    = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-core             = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-runtime          = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-io               = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-std              = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+# parity-bridges-common
+bp-messages            = { default-features = false, git = "https://github.com/darwinia-network/parity-bridges-common", tag = "darwinia-v0.11.5-rc1" }
+bp-runtime             = { default-features = false, git = "https://github.com/darwinia-network/parity-bridges-common", tag = "darwinia-v0.11.5-rc1" }
+pallet-bridge-messages = { default-features = false, git = "https://github.com/darwinia-network/parity-bridges-common", tag = "darwinia-v0.11.5-rc1" }
+
+[dev-dependencies]
+darwinia-balances = { default-features = false, path = "../balances" }
+
+[features]
+default = ["std"]
+
+std = [
+	# crates.io
+	"bitvec/std",
+	"codec/std",
+	"log/std",
+	"num-traits/std",
+	# darwinia-network
+	"darwinia-balances/std",
+	"darwinia-support/std",
+	"dp-fee/std",
+	# paritytech
+	"frame-support/std",
+	"frame-system/std",
+	"pallet-timestamp/std",
+	"sp-core/std",
+	"sp-io/std",
+	"sp-std/std",
+	"sp-runtime/std",
+	# parity-bridges-common
+	"bp-messages/std",
+	"bp-runtime/std",
+	"pallet-bridge-messages/std",
+]
+
+runtime-benchmarks = ["frame-benchmarking"]

frame/fee-market/rpc/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+authors     = ["Darwinia Network <hello@darwinia.network>"]
+description = "Node-specific RPC methods for interaction with fee-market"
+edition     = "2018"
+homepage    = "https://darwinia.network/"
+license     = "GPL-3.0"
+name        = "darwinia-fee-market-rpc"
+readme      = "README.md"
+repository  = "https://github.com/darwinia-network/darwinia-common/"
+version     = "2.6.6"
+
+[dependencies]
+# crates.io
+codec               = { package = "parity-scale-codec", version = "2.1.1" }
+jsonrpc-core        = { version = "15.1.0" }
+jsonrpc-core-client = { version = "15.1.0" }
+jsonrpc-derive      = { version = "15.1.0" }
+# darwinia-network
+darwinia-fee-market-rpc-runtime-api = { path = "./runtime-api" }
+# paritytech
+sp-api        = { git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-blockchain = { git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-runtime    = { git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }

frame/fee-market/rpc/runtime-api/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+authors     = ["Darwinia Network <hello@darwinia.network>"]
+description = "Runtime API definition required by fee-market RPC extensions."
+edition     = "2018"
+homepage    = "https://darwinia.network/"
+license     = "GPL-3.0"
+name        = "darwinia-fee-market-rpc-runtime-api"
+readme      = "README.md"
+repository  = "https://github.com/darwinia-network/darwinia-common/"
+version     = "2.6.6"
+
+[dependencies]
+# crates.io
+codec = { package = "parity-scale-codec", version = "2.1.1", default-features = false }
+serde = { version = "1.0.127", optional = true, features = ["derive"] }
+# paritytech
+sp-api     = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+sp-runtime = { default-features = false, git = "https://github.com/darwinia-network/substrate", tag = "darwinia-v0.11.4" }
+
+[features]
+default = ["std"]
+
+std = [
+	# crates.io
+	"codec/std",
+	"serde",
+	# paritytech
+	"sp-api/std",
+	"sp-runtime/std",
+]

frame/fee-market/rpc/runtime-api/src/lib.rs

@@ -0,0 +1,79 @@
+// This file is part of Darwinia.
+//
+// Copyright (C) 2018-2021 Darwinia Network
+// SPDX-License-Identifier: GPL-3.0
+//
+// Darwinia 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.
+//
+// Darwinia 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 Darwinia. If not, see <https://www.gnu.org/licenses/>.
+
+//! Runtime API definition required by header-mmr RPC extensions.
+//!
+//! This API should be imported and implemented by the runtime,
+//! of a node that wants to use the custom RPC extension
+//! adding header-mmr access methods.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+// -- core ---
+use core::fmt::Debug;
+// --- crates.io ---
+use codec::{Codec, Decode, Encode};
+#[cfg(feature = "std")]
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+// --- paritytech ---
+use sp_api::decl_runtime_apis;
+use sp_runtime::traits::{MaybeDisplay, MaybeFromStr};
+
+#[derive(Eq, PartialEq, Encode, Decode, Default)]
+#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
+#[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
+pub struct Fee<Balance> {
+	#[cfg_attr(
+		feature = "std",
+		serde(bound(serialize = "Balance: std::fmt::Display"))
+	)]
+	#[cfg_attr(feature = "std", serde(serialize_with = "serialize_as_string"))]
+	#[cfg_attr(
+		feature = "std",
+		serde(bound(deserialize = "Balance: std::str::FromStr"))
+	)]
+	#[cfg_attr(feature = "std", serde(deserialize_with = "deserialize_from_string"))]
+	pub amount: Balance,
+}
+
+#[cfg(feature = "std")]
+fn serialize_as_string<S: Serializer, T: std::fmt::Display>(
+	t: &T,
+	serializer: S,
+) -> Result<S::Ok, S::Error> {
+	serializer.serialize_str(&t.to_string())
+}
+
+#[cfg(feature = "std")]
+fn deserialize_from_string<'de, D: Deserializer<'de>, T: std::str::FromStr>(
+	deserializer: D,
+) -> Result<T, D::Error> {
+	let s = String::deserialize(deserializer)?;
+	s.parse::<T>()
+		.map_err(|_| serde::de::Error::custom("Parse from string failed"))
+}
+
+decl_runtime_apis! {
+	pub trait FeeMarketApi<Balance>
+	where
+		Balance: Codec + MaybeDisplay + MaybeFromStr,
+	 {
+		fn market_fee(
+		) -> Option<Fee<Balance>>;
+	}
+}