impl rate limit for xtokens (#854)

* poc

* add RateLimiter for xtokens

* impl new pallet orml-rate-limit

* add unit tests

* add comment

* add weight

* update

* use explicit call index

* fix features

* update Cargo.toml

---------

Co-authored-by: Bryan Chen <xlchen1291@gmail.com>
Co-authored-by: zjb0807 <zjb0807@qq.com>

Cargo.dev.toml

@@ -12,6 +12,7 @@ members = [
 	"oracle/runtime-api",
 	"parameters",
 	"payments",
+	"rate-limit",
 	"rewards",
 	"tokens",
 	"tokens/runtime-api",
@@ -47,6 +48,7 @@ pallet-message-queue = { version = "32.0.0", default-features = false }
 pallet-preimage = { version = "29.0.0", default-features = false }
 pallet-root-testing = { version = "5.0.0", default-features = false }
 pallet-scheduler = { version = "30.0.0", default-features = false }
+pallet-timestamp = { version = "28.0.0", default-features = false }
 pallet-treasury = { version = "28.0.0", default-features = false }
 pallet-xcm = { version = "8.0.0", default-features = false }
 polkadot-parachain-primitives = { version = "7.0.0", default-features = false }

asset-registry/src/mock/para.rs

@@ -325,6 +325,8 @@ impl orml_xtokens::Config for Runtime {
 	type UniversalLocation = UniversalLocation;
 	type MaxAssetsForTransfer = MaxAssetsForTransfer;
 	type ReserveProvider = RelativeReserveProvider;
+	type RateLimiter = ();
+	type RateLimiterId = ();
 }
 
 impl orml_xcm::Config for Runtime {

rate-limit/Cargo.toml

@@ -0,0 +1,52 @@
+[package]
+name = "orml-rate-limit"
+description = "Provides way to config rate limiter for limit some operation."
+repository = "https://github.com/open-web3-stack/open-runtime-module-library/tree/master/rate-limit"
+license = "Apache-2.0"
+version = "0.7.0"
+authors = ["Laminar Developers <hello@laminar.one>"]
+edition = "2021"
+
+[dependencies]
+parity-scale-codec = { workspace = true }
+scale-info = { workspace = true }
+serde = { workspace = true, optional = true }
+
+frame-support = { workspace = true }
+frame-system = { workspace = true }
+sp-core = { workspace = true }
+sp-io = { workspace = true }
+sp-runtime = { workspace = true }
+sp-std = { workspace = true }
+
+orml-traits = { path = "../traits", version = "0.7.0", default-features = false }
+orml-utilities = { path = "../utilities", version = "0.7.0", default-features = false }
+
+[dev-dependencies]
+pallet-timestamp = { workspace = true, features = ["std"] }
+
+[features]
+default = [ "std" ]
+std = [
+	"frame-support/std",
+	"frame-system/std",
+	"orml-traits/std",
+	"orml-utilities/std",
+	"parity-scale-codec/std",
+	"scale-info/std",
+	"serde",
+	"sp-core/std",
+	"sp-io/std",
+	"sp-runtime/std",
+	"sp-std/std",
+]
+runtime-benchmarks = [
+	"frame-support/runtime-benchmarks",
+	"frame-system/runtime-benchmarks",
+	"sp-runtime/runtime-benchmarks",
+]
+try-runtime = [
+	"frame-support/try-runtime",
+	"frame-system/try-runtime",
+	"sp-runtime/try-runtime",
+]