feat(operator): 🏗️ Add Identity pallet (#25)

operator/Cargo.lock

@@ -1609,6 +1609,7 @@ dependencies = [
  "pallet-evm",
  "pallet-evm-chain-id",
  "pallet-grandpa",
+ "pallet-identity",
  "pallet-im-online",
  "pallet-mmr",
  "pallet-multisig",

operator/Cargo.toml

@@ -86,6 +86,7 @@ pallet-authorship = { git = "https://github.com/paritytech/polkadot-sdk", branch
 pallet-babe = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
 pallet-balances = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
 pallet-grandpa = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
+pallet-identity = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
 pallet-im-online = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
 pallet-multisig = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }
 pallet-offences = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2409", default-features = false }

operator/runtime/Cargo.toml

@@ -27,6 +27,7 @@ pallet-authorship.workspace = true
 pallet-babe.workspace = true
 pallet-balances.workspace = true
 pallet-grandpa.workspace = true
+pallet-identity.workspace = true
 pallet-im-online.workspace = true
 pallet-multisig.workspace = true
 pallet-offences.workspace = true
@@ -100,6 +101,7 @@ std = [
 	"pallet-balances/std",
     "pallet-im-online/std",
 	"pallet-grandpa/std",
+    "pallet-identity/std",
     "pallet-multisig/std",
 	"pallet-mmr/std",
 	"pallet-offences/std",
@@ -153,6 +155,7 @@ runtime-benchmarks = [
     "pallet-balances/runtime-benchmarks",
     "pallet-im-online/runtime-benchmarks",
     "pallet-grandpa/runtime-benchmarks",
+    "pallet-identity/runtime-benchmarks",
     "pallet-multisig/runtime-benchmarks",
     "pallet-offences/runtime-benchmarks",
     "pallet-preimage/runtime-benchmarks",
@@ -179,6 +182,7 @@ try-runtime = [
     "pallet-babe/try-runtime",
     "pallet-balances/try-runtime",
     "pallet-grandpa/try-runtime",
+    "pallet-identity/try-runtime",
     "pallet-im-online/try-runtime",
     "pallet-multisig/try-runtime",
     "pallet-offences/try-runtime",

operator/runtime/src/benchmarks.rs

@@ -27,6 +27,7 @@ frame_benchmarking::define_benchmarks!(
     [frame_benchmarking, BaselineBench::<Runtime>]
     [frame_system, SystemBench::<Runtime>]
     [pallet_balances, Balances]
+    [pallet_identity, Identity]
     [pallet_im_online, ImOnline]
     [pallet_multisig, Multisig]
     [pallet_preimage, Preimage]

operator/runtime/src/configs/mod.rs

@@ -28,14 +28,14 @@ use super::{
     deposit, AccountId, Babe, Balance, Balances, BeefyMmrLeaf, Block, BlockNumber, EvmChainId,
     Hash, Historical, ImOnline, Nonce, Offences, OriginCaller, PalletInfo, Preimage, Runtime,
     RuntimeCall, RuntimeEvent, RuntimeFreezeReason, RuntimeHoldReason, RuntimeOrigin, RuntimeTask,
-    Session, SessionKeys, System, Timestamp, ValidatorSet, EXISTENTIAL_DEPOSIT, SLOT_DURATION,
-    STORAGE_BYTE_FEE, SUPPLY_FACTOR, UNIT, VERSION,
+    Session, SessionKeys, Signature, System, Timestamp, ValidatorSet, EXISTENTIAL_DEPOSIT,
+    SLOT_DURATION, STORAGE_BYTE_FEE, SUPPLY_FACTOR, UNIT, VERSION,
 };
 // Substrate and Polkadot dependencies
 use codec::{Decode, Encode};
 use datahaven_runtime_common::{
     gas::WEIGHT_PER_GAS,
-    time::{EpochDurationInBlocks, MILLISECS_PER_BLOCK, MINUTES},
+    time::{EpochDurationInBlocks, DAYS, MILLISECS_PER_BLOCK, MINUTES},
 };
 use frame_support::{
     derive_impl,
@@ -357,6 +357,49 @@ impl pallet_sudo::Config for Runtime {
     type WeightInfo = pallet_sudo::weights::SubstrateWeight<Runtime>;
 }
 
+parameter_types! {
+    pub const MaxSubAccounts: u32 = 100;
+    pub const MaxAdditionalFields: u32 = 100;
+    pub const MaxRegistrars: u32 = 20;
+    pub const PendingUsernameExpiration: u32 = 7 * DAYS;
+    pub const MaxSuffixLength: u32 = 7;
+    pub const MaxUsernameLength: u32 = 32;
+}
+
+type IdentityForceOrigin = EnsureRoot<AccountId>;
+type IdentityRegistrarOrigin = EnsureRoot<AccountId>;
+// TODO: Add governance origin when available
+// type IdentityForceOrigin =
+// 	EitherOfDiverse<EnsureRoot<AccountId>, governance::custom_origins::GeneralAdmin>;
+// type IdentityRegistrarOrigin =
+// 	EitherOfDiverse<EnsureRoot<AccountId>, governance::custom_origins::GeneralAdmin>;
+
+impl pallet_identity::Config for Runtime {
+    type RuntimeEvent = RuntimeEvent;
+    type Currency = Balances;
+    // Add one item in storage and take 258 bytes
+    type BasicDeposit = ConstU128<{ deposit(1, 258) }>;
+    // Does not add any item to the storage but takes 1 bytes
+    type ByteDeposit = ConstU128<{ deposit(0, 1) }>;
+    // Add one item in storage and take 53 bytes
+    type SubAccountDeposit = ConstU128<{ deposit(1, 53) }>;
+    type MaxSubAccounts = MaxSubAccounts;
+    type IdentityInformation = pallet_identity::legacy::IdentityInfo<MaxAdditionalFields>;
+    type MaxRegistrars = MaxRegistrars;
+    type Slashed = ();
+    // TODO: Slashed funds should be sent to the treasury (when added to the runtime)
+    // type Slashed = Treasury;
+    type ForceOrigin = IdentityForceOrigin;
+    type RegistrarOrigin = IdentityRegistrarOrigin;
+    type OffchainSignature = Signature;
+    type SigningPublicKey = <Signature as sp_runtime::traits::Verify>::Signer;
+    type UsernameAuthorityOrigin = EnsureRoot<AccountId>;
+    type PendingUsernameExpiration = PendingUsernameExpiration;
+    type MaxSuffixLength = MaxSuffixLength;
+    type MaxUsernameLength = MaxUsernameLength;
+    type WeightInfo = ();
+}
+
 parameter_types! {
     pub const BeefySetIdSessionEntries: u32 = BondingDuration::get() * SessionsPerEra::get();
 }

operator/runtime/src/lib.rs

@@ -268,6 +268,9 @@ mod runtime {
     #[runtime::pallet_index(22)]
     pub type Preimage = pallet_preimage;
 
+    #[runtime::pallet_index(23)]
+    pub type Identity = pallet_identity;
+
     #[runtime::pallet_index(24)]
     pub type Multisig = pallet_multisig;