Merge pull request #76 from OriginTrail/feature/proxy

Add Proxy pallet

runtime/Cargo.toml

@@ -38,6 +38,7 @@ pallet-aura = { git = "https://github.com/paritytech/substrate", default-feature
 pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.40" }
 pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.40" }
 pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.40" }
+pallet-proxy = { git = "https://github.com/paritytech/substrate.git", default-features = false, branch = "polkadot-v0.9.40" }
 pallet-scheduler = { git = "https://github.com/paritytech/substrate.git", default-features = false, branch = "polkadot-v0.9.40" }
 pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.40" }
 pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.40" }
@@ -134,6 +135,7 @@ std = [
 	"pallet-ethereum/std",
 	"pallet-identity/std",
 	"pallet-preimage/std",
+	"pallet-proxy/std",
 	"pallet-multisig/std",
 	"pallet-scheduler/std",
 	"pallet-session/std",
@@ -179,6 +181,7 @@ runtime-benchmarks = [
 	"pallet-ethereum/runtime-benchmarks",
 	"pallet-identity/runtime-benchmarks",
 	"pallet-preimage/runtime-benchmarks",
+	"pallet-proxy/runtime-benchmarks",
 	"pallet-scheduler/runtime-benchmarks",
 	"pallet-timestamp/runtime-benchmarks",
 	"pallet-treasury/runtime-benchmarks",
@@ -209,6 +212,7 @@ try-runtime = [
 	"pallet-democracy/runtime-benchmarks",
 	"pallet-identity/runtime-benchmarks",
 	"pallet-preimage/try-runtime",
+	"pallet-proxy/try-runtime",
 	"pallet-scheduler/try-runtime",
 	"pallet-session/try-runtime",
 	"pallet-utility/try-runtime",

runtime/src/lib.rs

@@ -23,22 +23,21 @@ use sp_runtime::{
     transaction_validity::{
         TransactionSource, TransactionValidity, TransactionValidityError
     },
-    ApplyExtrinsicResult, MultiSignature,
+    ApplyExtrinsicResult, MultiSignature, RuntimeDebug,
 };
 
 use sp_std::prelude::*;
 #[cfg(feature = "std")]
 use sp_version::NativeVersion;
 use sp_version::RuntimeVersion;
 
-use codec::{Encode};
-pub use frame_support::traits::EqualPrivilegeOnly;
+use codec::{Encode, Decode, MaxEncodedLen};
 use frame_support::{
     construct_runtime, parameter_types, transactional,
     traits::{
-        AsEnsureOriginWithArg, Currency as PalletCurrency, EitherOfDiverse, Everything, FindAuthor,
-        ReservableCurrency, Imbalance, OnUnbalanced, ConstU128, ConstU32, ConstU64, ConstU8,
-        WithdrawReasons
+        AsEnsureOriginWithArg, Currency as PalletCurrency, EqualPrivilegeOnly, EitherOfDiverse, 
+        Everything, FindAuthor, ReservableCurrency, Imbalance, InstanceFilter, OnUnbalanced, 
+        ConstU128, ConstU32, ConstU64, ConstU8, WithdrawReasons, 
     },
     dispatch::DispatchClass,
     weights::{
@@ -1052,6 +1051,83 @@ impl pallet_identity::Config for Runtime {
 	type WeightInfo = pallet_identity::weights::SubstrateWeight<Runtime>;
 }
 
+parameter_types! {
+	// One storage item; key size 32, value size 8; .
+	pub const ProxyDepositBase: Balance = deposit(1, 8);
+	// Additional storage item size of 33 bytes.
+	pub const ProxyDepositFactor: Balance = deposit(0, 33);
+	pub const AnnouncementDepositBase: Balance = deposit(1, 8);
+	pub const AnnouncementDepositFactor: Balance = deposit(0, 66);
+}
+
+/// The type used to represent the kinds of proxying allowed.
+#[derive(
+	Copy,
+	Clone,
+	Eq,
+	PartialEq,
+	Ord,
+	PartialOrd,
+	Encode,
+	Decode,
+	RuntimeDebug,
+	MaxEncodedLen,
+	scale_info::TypeInfo,
+)]
+pub enum ProxyType {
+	Any,
+	NonTransfer,
+	Governance,
+}
+impl Default for ProxyType {
+	fn default() -> Self {
+		Self::Any
+	}
+}
+impl InstanceFilter<RuntimeCall> for ProxyType {
+	fn filter(&self, c: &RuntimeCall) -> bool {
+		match self {
+			ProxyType::Any => true,
+			ProxyType::NonTransfer => !matches!(
+				c,
+				RuntimeCall::Balances(..) |
+					RuntimeCall::Assets(..) |
+					RuntimeCall::Vesting(pallet_vesting::Call::vested_transfer { .. })
+			),
+			ProxyType::Governance => matches!(
+				c,
+				RuntimeCall::Democracy(..) |
+					RuntimeCall::Council(..) |
+					RuntimeCall::Treasury(..)
+			),
+		}
+	}
+	fn is_superset(&self, o: &Self) -> bool {
+		match (self, o) {
+			(x, y) if x == y => true,
+			(ProxyType::Any, _) => true,
+			(_, ProxyType::Any) => false,
+			(ProxyType::NonTransfer, _) => true,
+			_ => false,
+		}
+	}
+}
+
+impl pallet_proxy::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type RuntimeCall = RuntimeCall;
+	type Currency = Balances;
+	type ProxyType = ProxyType;
+	type ProxyDepositBase = ProxyDepositBase;
+	type ProxyDepositFactor = ProxyDepositFactor;
+	type MaxProxies = ConstU32<32>;
+	type WeightInfo = pallet_proxy::weights::SubstrateWeight<Runtime>;
+	type MaxPending = ConstU32<32>;
+	type CallHasher = BlakeTwo256;
+	type AnnouncementDepositBase = AnnouncementDepositBase;
+	type AnnouncementDepositFactor = AnnouncementDepositFactor;
+}
+
 // Create the runtime by composing the FRAME pallets that were previously configured.
 construct_runtime!(
     pub enum Runtime where
@@ -1068,6 +1144,7 @@ construct_runtime!(
         ParachainInfo: parachain_info::{Pallet, Storage, Config} = 3,
         Utility: pallet_utility = 4,
         Multisig: pallet_multisig = 5,
+        Proxy: pallet_proxy = 6,
 
         // Monetary stuff.
         Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>} = 10,
@@ -1118,6 +1195,7 @@ mod benches {
         [pallet_democracy, Democracy]
         [pallet_identity, Identity]
         [pallet_preimage, Preimage]
+        [pallet_proxy, Proxy]
         [pallet_session, SessionBench::<Runtime>]
         [pallet_timestamp, Timestamp]
         [pallet_collator_selection, CollatorSelection]