Add support for permanent locked vesting accounts

docs/core/proto-docs.md

@@ -581,6 +581,7 @@
     - [DelayedVestingAccount](#cosmos.vesting.v1beta1.DelayedVestingAccount)
     - [Period](#cosmos.vesting.v1beta1.Period)
     - [PeriodicVestingAccount](#cosmos.vesting.v1beta1.PeriodicVestingAccount)
+    - [PermanentLockedAccount](#cosmos.vesting.v1beta1.PermanentLockedAccount)
 
 - [Scalar Value Types](#scalar-value-types)
 
@@ -8192,6 +8193,23 @@ periodically vests by unlocking coins during each specified period.
 
 
 
+
+<a name="cosmos.vesting.v1beta1.PermanentLockedAccount"></a>
+
+### PermanentLockedAccount
+PermanentLockedAccount implements the VestingAccount interface. It does
+not ever release coins, locking them indefinitely. Coins in this account can
+still be used for delegating and for governance votes even while locked.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `base_vesting_account` | [BaseVestingAccount](#cosmos.vesting.v1beta1.BaseVestingAccount) |  |  |
+
+
+
+
+
  <!-- end messages -->
 
  <!-- end enums -->

proto/cosmos/vesting/v1beta1/vesting.proto

@@ -71,3 +71,13 @@ message PeriodicVestingAccount {
   int64              start_time           = 2 [(gogoproto.moretags) = "yaml:\"start_time\""];
   repeated Period vesting_periods = 3 [(gogoproto.moretags) = "yaml:\"vesting_periods\"", (gogoproto.nullable) = false];
 }
+
+// PermanentLockedAccount implements the VestingAccount interface. It does
+// not ever release coins, locking them indefinitely. Coins in this account can
+// still be used for delegating and for governance votes even while locked.
+message PermanentLockedAccount {
+  option (gogoproto.goproto_getters)  = false;
+  option (gogoproto.goproto_stringer) = false;
+
+  BaseVestingAccount base_vesting_account = 1 [(gogoproto.embed) = true];
+}

x/auth/vesting/exported/exported.go

@@ -12,7 +12,8 @@ import (
 type VestingAccount interface {
 	types.AccountI
 
-	// LockedCoins returns the set of coins that are not spendable (i.e. locked).
+	// LockedCoins returns the set of coins that are not spendable (i.e. locked),
+	// defined as the vesting coins that are not delegated.
 	//
 	// To get spendable coins of a vesting account, first the total balance must
 	// be retrieved and the locked tokens can be subtracted from the total balance.

x/auth/vesting/types/codec.go

@@ -17,6 +17,7 @@ func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&ContinuousVestingAccount{}, "cosmos-sdk/ContinuousVestingAccount", nil)
 	cdc.RegisterConcrete(&DelayedVestingAccount{}, "cosmos-sdk/DelayedVestingAccount", nil)
 	cdc.RegisterConcrete(&PeriodicVestingAccount{}, "cosmos-sdk/PeriodicVestingAccount", nil)
+	cdc.RegisterConcrete(&PermanentLockedAccount{}, "cosmos-sdk/PermanentLockedAccount", nil)
 }
 
 // RegisterInterface associates protoName with AccountI and VestingAccount
@@ -28,6 +29,7 @@ func RegisterInterfaces(registry types.InterfaceRegistry) {
 		&ContinuousVestingAccount{},
 		&DelayedVestingAccount{},
 		&PeriodicVestingAccount{},
+		&PermanentLockedAccount{},
 	)
 
 	registry.RegisterImplementations(
@@ -36,6 +38,7 @@ func RegisterInterfaces(registry types.InterfaceRegistry) {
 		&DelayedVestingAccount{},
 		&ContinuousVestingAccount{},
 		&PeriodicVestingAccount{},
+		&PermanentLockedAccount{},
 	)
 
 	registry.RegisterImplementations(
@@ -44,6 +47,7 @@ func RegisterInterfaces(registry types.InterfaceRegistry) {
 		&DelayedVestingAccount{},
 		&ContinuousVestingAccount{},
 		&PeriodicVestingAccount{},
+		&PermanentLockedAccount{},
 	)
 
 	registry.RegisterImplementations(

x/auth/vesting/types/common_test.go

@@ -5,6 +5,5 @@ import (
 )
 
 var (
-	app      = simapp.Setup(false)
-	appCodec = simapp.MakeTestEncodingConfig().Marshaler
+	app = simapp.Setup(false)
 )