orml-xtokens unit tests (#543)

* orml-xtokens unit tests

* fmt

* Solve feature pollution; remove pallet system.

Author: shaunxw

Cargo.dev.toml

@@ -81,6 +81,7 @@ sp-transaction-pool = { git = "https://github.com/paritytech//substrate", rev =
 sp-trie = { git = "https://github.com/paritytech//substrate", rev = "9c572625f6557dfdb19f47474369a0327d51dfbc" }
 sp-version = { git = "https://github.com/paritytech//substrate", rev = "9c572625f6557dfdb19f47474369a0327d51dfbc" }
 sp-wasm-interface = { git = "https://github.com/paritytech//substrate", rev = "9c572625f6557dfdb19f47474369a0327d51dfbc" }
+sp-utils = { git = "https://github.com/paritytech//substrate", rev = "9c572625f6557dfdb19f47474369a0327d51dfbc" }
 
 [patch.'https://github.com/paritytech/cumulus']
 cumulus-primitives-core = { git = "https://github.com/paritytech//cumulus", rev = "c5c3abf7eb9d4fdfb588d6560efaa8dca66a8dbc" }

xtokens/Cargo.toml

@@ -26,17 +26,26 @@ orml-xcm-support = { path = "../xcm-support", default-features = false }
 orml-traits = { path = "../traits", default-features = false}
 
 [dev-dependencies]
-# sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.7" }
-# polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
-# polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
-# pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.7" }
-# xcm-simulator = { git = "https://github.com/shaunxw/xcm-simulator", branch = "master" }
-# parachain-info = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
-# xcm-executor = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
-# xcm-builder = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
-
-# orml-tokens = { path = "../tokens" }
-# orml-traits = { path = "../traits" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.7" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.7" }
+
+# cumulus
+cumulus-primitives-core = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
+cumulus-pallet-dmp-queue = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
+cumulus-pallet-xcmp-queue = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
+cumulus-pallet-xcm = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
+parachain-info = { git = "https://github.com/paritytech/cumulus", branch = "polkadot-v0.9.7" }
+
+# polkadot
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+xcm = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+polkadot-runtime-parachains = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.7" }
+
+orml-tokens = { path = "../tokens" }
+xcm-simulator = { git = "https://github.com/shaunxw/xcm-simulator.git", branch = "polkadot-v0.9.7"}
 
 [features]
 default = ["std"]
@@ -55,3 +64,8 @@ std = [
 	"orml-traits/std",
 ]
 try-runtime = ["frame-support/try-runtime"]
+# Needed because of cargo feature pollution.
+runtime-benchmarks = [
+	"xcm-builder/runtime-benchmarks",
+	"pallet-xcm/runtime-benchmarks",
+]

xtokens/src/lib.rs

@@ -41,8 +41,8 @@ use xcm_executor::traits::WeightBounds;
 pub use module::*;
 use orml_traits::location::{Parse, Reserve};
 
-// mod mock;
-// mod tests;
+mod mock;
+mod tests;
 
 enum TransferKind {
 	/// Transfer self reserve asset.