[10] add proxy pallet

Cargo.lock

@@ -1519,6 +1519,13 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "common"
+version = "0.1.0"
+dependencies = [
+ "polkadot-core-primitives",
+]
+
 [[package]]
 name = "common"
 version = "0.1.0"
@@ -7304,6 +7311,7 @@ version = "0.1.0"
 dependencies = [
  "clap",
  "color-print",
+ "common 0.1.0",
  "cumulus-client-cli",
  "cumulus-client-collator",
  "cumulus-client-consensus-aura",
@@ -7359,6 +7367,7 @@ dependencies = [
 name = "parachain-template-runtime"
 version = "0.1.0"
 dependencies = [
+ "common 0.1.0",
  "cumulus-pallet-aura-ext",
  "cumulus-pallet-dmp-queue",
  "cumulus-pallet-parachain-system",
@@ -7382,6 +7391,7 @@ dependencies = [
  "pallet-collator-selection",
  "pallet-multisig",
  "pallet-parachain-template",
+ "pallet-proxy",
  "pallet-session",
  "pallet-sudo",
  "pallet-timestamp",
@@ -9483,7 +9493,7 @@ dependencies = [
  "ark-serialize",
  "ark-std",
  "blake2 0.10.6",
- "common",
+ "common 0.1.0 (git+https://github.com/w3f/ring-proof)",
  "fflonk",
  "merlin 3.0.0",
 ]

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["node", "pallets/template", "runtime"]
+members = [ "common", "node", "pallets/template", "runtime"]
 package.edition = "2021"
 package.repository = "https://github.com/paritytech/polkadot-sdk"
 resolver = "2"

common/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "common"
+version = "0.1.0"
+authors = ["Anonymous"]
+edition.workspace = true
+description = "Logic which is common to all runtimes"
+license = "Apache-2.0"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }

common/src/lib.rs

@@ -0,0 +1,16 @@
+pub use currency::*;
+
+mod currency {
+    use polkadot_core_primitives::Balance;
+    // Unit = the base number of indivisible units for balances
+    pub const UNIT: Balance = 1_000_000_000_000;
+    pub const MILLIUNIT: Balance = 1_000_000_000;
+    pub const MICROUNIT: Balance = 1_000_000;
+
+    /// The existential deposit. Set to 1/10 of the Connected Relay Chain.
+    pub const EXISTENTIAL_DEPOSIT: Balance = MILLIUNIT;
+
+    pub const fn deposit(items: u32, bytes: u32) -> Balance {
+        (items as Balance * 20 * UNIT + bytes as Balance * 100 * MILLIUNIT) / 100
+    }
+}

node/Cargo.toml

@@ -20,6 +20,7 @@ futures = "0.3.28"
 
 # Local
 parachain-template-runtime = { path = "../runtime" }
+common = { path = "../common" }
 
 # Substrate
 frame-benchmarking = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }

node/src/chain_spec.rs

@@ -1,5 +1,6 @@
+use common::EXISTENTIAL_DEPOSIT;
 use cumulus_primitives_core::ParaId;
-use parachain_template_runtime::{AccountId, AuraId, Signature, EXISTENTIAL_DEPOSIT};
+use parachain_template_runtime::{AccountId, AuraId, Signature};
 use sc_chain_spec::{ChainSpecExtension, ChainSpecGroup};
 use sc_service::ChainType;
 use serde::{Deserialize, Serialize};

runtime/Cargo.toml

@@ -27,6 +27,7 @@ smallvec = "1.11.0"
 
 # Local
 pallet-parachain-template = { path = "../pallets/template", default-features = false }
+common = { path = "../common", default-features = false }
 
 # Substrate
 frame-benchmarking = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false, optional = true }
@@ -41,6 +42,7 @@ pallet-authorship = { git = "https://github.com/paritytech/polkadot-sdk", branch
 pallet-balances = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
 pallet-multisig = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
 pallet-session = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
+pallet-proxy = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
 pallet-sudo = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
 pallet-timestamp = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }
 pallet-transaction-payment = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.3.0", default-features = false }

runtime/src/lib.rs

@@ -11,6 +11,8 @@ use constants::currency::*;
 mod weights;
 pub mod xcm_config;
 
+use codec::{Decode, Encode, MaxEncodedLen};
+use common::{deposit, EXISTENTIAL_DEPOSIT, MICROUNIT, MILLIUNIT};
 use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
 use cumulus_primitives_core::ParaId;
 use frame_support::{
@@ -18,7 +20,7 @@ use frame_support::{
     dispatch::DispatchClass,
     genesis_builder_helper::{build_config, create_default_config},
     parameter_types,
-    traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything},
+    traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything, InstanceFilter},
     weights::{
         constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, Weight, WeightToFeeCoefficient,
         WeightToFeeCoefficients, WeightToFeePolynomial,
@@ -36,6 +38,7 @@ use pallet_xcm::{EnsureXcm, IsVoiceOfBody};
 use polkadot_runtime_common::xcm_sender::NoPriceForMessageDelivery;
 // Polkadot imports
 use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
+use scale_info::TypeInfo;
 use smallvec::smallvec;
 use sp_api::impl_runtime_apis;
 pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
@@ -46,7 +49,7 @@ use sp_runtime::{
     create_runtime_str, generic, impl_opaque_keys,
     traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
     transaction_validity::{TransactionSource, TransactionValidity},
-    ApplyExtrinsicResult, MultiSignature,
+    ApplyExtrinsicResult, MultiSignature, RuntimeDebug,
 };
 pub use sp_runtime::{MultiAddress, Perbill, Permill};
 use sp_std::prelude::*;
@@ -207,14 +210,6 @@ pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
 pub const HOURS: BlockNumber = MINUTES * 60;
 pub const DAYS: BlockNumber = HOURS * 24;
 
-// Unit = the base number of indivisible units for balances
-pub const UNIT: Balance = 1_000_000_000_000;
-pub const MILLIUNIT: Balance = 1_000_000_000;
-pub const MICROUNIT: Balance = 1_000_000;
-
-/// The existential deposit. Set to 1/10 of the Connected Relay Chain.
-pub const EXISTENTIAL_DEPOSIT: Balance = MILLIUNIT;
-
 /// We assume that ~5% of the block weight is consumed by `on_initialize`
 /// handlers. This is used to limit the maximal weight of a single extrinsic.
 const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);
@@ -341,6 +336,70 @@ impl pallet_authorship::Config for Runtime {
     type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
 }
 
+parameter_types! {
+    pub const MaxProxies: u32 = 32;
+    pub const MaxPending: u32 = 32;
+    pub const ProxyDepositBase: Balance = deposit(1, 40);
+    pub const AnnouncementDepositBase: Balance = deposit(1, 48);
+    pub const ProxyDepositFactor: Balance = deposit(0, 33);
+    pub const AnnouncementDepositFactor: Balance = deposit(0, 66);
+}
+
+/// The type used to represent the kinds of proxying allowed.
+/// If you are adding new pallets, consider adding new proxy type
+#[derive(
+    Copy,
+    Clone,
+    Decode,
+    Default,
+    Encode,
+    Eq,
+    MaxEncodedLen,
+    Ord,
+    PartialEq,
+    PartialOrd,
+    RuntimeDebug,
+    TypeInfo,
+)]
+pub enum ProxyType {
+    /// Allows to proxy all calls
+    #[default]
+    Any,
+    /// Allows all non-transfer calls
+    NonTransfer,
+    /// Allows to finish the proxy
+    CancelProxy,
+    /// Allows to operate with collators list (invulnerables, candidates, etc.)
+    Collator,
+}
+
+impl InstanceFilter<RuntimeCall> for ProxyType {
+    fn filter(&self, c: &RuntimeCall) -> bool {
+        match self {
+            ProxyType::Any => true,
+            ProxyType::NonTransfer => !matches!(c, RuntimeCall::Balances { .. }),
+            ProxyType::CancelProxy =>
+                matches!(c, RuntimeCall::Proxy(pallet_proxy::Call::reject_announcement { .. })),
+            ProxyType::Collator => matches!(c, RuntimeCall::CollatorSelection { .. }),
+        }
+    }
+}
+
+impl pallet_proxy::Config for Runtime {
+    type AnnouncementDepositBase = AnnouncementDepositBase;
+    type AnnouncementDepositFactor = AnnouncementDepositFactor;
+    type CallHasher = BlakeTwo256;
+    type Currency = Balances;
+    type MaxPending = MaxPending;
+    type MaxProxies = MaxProxies;
+    type ProxyDepositBase = ProxyDepositBase;
+    type ProxyDepositFactor = ProxyDepositFactor;
+    type ProxyType = ProxyType;
+    type RuntimeCall = RuntimeCall;
+    type RuntimeEvent = RuntimeEvent;
+    type WeightInfo = pallet_proxy::weights::SubstrateWeight<Runtime>;
+}
+
 parameter_types! {
     pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
 }
@@ -520,6 +579,7 @@ construct_runtime!(
         ParachainSystem: cumulus_pallet_parachain_system = 1,
         Timestamp: pallet_timestamp = 2,
         ParachainInfo: parachain_info = 3,
+        Proxy: pallet_proxy = 4,
 
         // Monetary stuff.
         Balances: pallet_balances = 10,