feat!: support for custom proposal-based voting periods

docs/core/proto-docs.md

@@ -163,6 +163,11 @@
 - [cosmos/base/snapshots/v1beta1/snapshot.proto](#cosmos/base/snapshots/v1beta1/snapshot.proto)
     - [Metadata](#cosmos.base.snapshots.v1beta1.Metadata)
     - [Snapshot](#cosmos.base.snapshots.v1beta1.Snapshot)
+    - [SnapshotExtensionMeta](#cosmos.base.snapshots.v1beta1.SnapshotExtensionMeta)
+    - [SnapshotExtensionPayload](#cosmos.base.snapshots.v1beta1.SnapshotExtensionPayload)
+    - [SnapshotIAVLItem](#cosmos.base.snapshots.v1beta1.SnapshotIAVLItem)
+    - [SnapshotItem](#cosmos.base.snapshots.v1beta1.SnapshotItem)
+    - [SnapshotStoreItem](#cosmos.base.snapshots.v1beta1.SnapshotStoreItem)
 
 - [cosmos/base/store/v1beta1/commit_info.proto](#cosmos/base/store/v1beta1/commit_info.proto)
     - [CommitID](#cosmos.base.store.v1beta1.CommitID)
@@ -172,11 +177,6 @@
 - [cosmos/base/store/v1beta1/listening.proto](#cosmos/base/store/v1beta1/listening.proto)
     - [StoreKVPair](#cosmos.base.store.v1beta1.StoreKVPair)
 
-- [cosmos/base/store/v1beta1/snapshot.proto](#cosmos/base/store/v1beta1/snapshot.proto)
-    - [SnapshotIAVLItem](#cosmos.base.store.v1beta1.SnapshotIAVLItem)
-    - [SnapshotItem](#cosmos.base.store.v1beta1.SnapshotItem)
-    - [SnapshotStoreItem](#cosmos.base.store.v1beta1.SnapshotStoreItem)
-
 - [cosmos/base/tendermint/v1beta1/query.proto](#cosmos/base/tendermint/v1beta1/query.proto)
     - [GetBlockByHeightRequest](#cosmos.base.tendermint.v1beta1.GetBlockByHeightRequest)
     - [GetBlockByHeightResponse](#cosmos.base.tendermint.v1beta1.GetBlockByHeightResponse)
@@ -343,6 +343,7 @@
     - [Deposit](#cosmos.gov.v1beta1.Deposit)
     - [DepositParams](#cosmos.gov.v1beta1.DepositParams)
     - [Proposal](#cosmos.gov.v1beta1.Proposal)
+    - [ProposalVotingPeriod](#cosmos.gov.v1beta1.ProposalVotingPeriod)
     - [TallyParams](#cosmos.gov.v1beta1.TallyParams)
     - [TallyResult](#cosmos.gov.v1beta1.TallyResult)
     - [TextProposal](#cosmos.gov.v1beta1.TextProposal)
@@ -2706,68 +2707,83 @@ Snapshot contains Tendermint state sync snapshot info.
 
 
 
- <!-- end messages -->
 
- <!-- end enums -->
+<a name="cosmos.base.snapshots.v1beta1.SnapshotExtensionMeta"></a>
 
- <!-- end HasExtensions -->
+### SnapshotExtensionMeta
+SnapshotExtensionMeta contains metadata about an external snapshotter.
 
- <!-- end services -->
 
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `name` | [string](#string) |  |  |
+| `format` | [uint32](#uint32) |  |  |
 
 
-<a name="cosmos/base/store/v1beta1/commit_info.proto"></a>
-<p align="right"><a href="#top">Top</a></p>
 
-## cosmos/base/store/v1beta1/commit_info.proto
 
 
 
-<a name="cosmos.base.store.v1beta1.CommitID"></a>
+<a name="cosmos.base.snapshots.v1beta1.SnapshotExtensionPayload"></a>
 
-### CommitID
-CommitID defines the committment information when a specific store is
-committed.
+### SnapshotExtensionPayload
+SnapshotExtensionPayload contains payloads of an external snapshotter.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `version` | [int64](#int64) |  |  |
-| `hash` | [bytes](#bytes) |  |  |
+| `payload` | [bytes](#bytes) |  |  |
 
 
 
 
 
 
-<a name="cosmos.base.store.v1beta1.CommitInfo"></a>
+<a name="cosmos.base.snapshots.v1beta1.SnapshotIAVLItem"></a>
 
-### CommitInfo
-CommitInfo defines commit information used by the multi-store when committing
-a version/height.
+### SnapshotIAVLItem
+SnapshotIAVLItem is an exported IAVL node.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `version` | [int64](#int64) |  |  |
-| `store_infos` | [StoreInfo](#cosmos.base.store.v1beta1.StoreInfo) | repeated |  |
+| `key` | [bytes](#bytes) |  |  |
+| `value` | [bytes](#bytes) |  |  |
+| `version` | [int64](#int64) |  | version is block height |
+| `height` | [int32](#int32) |  | height is depth of the tree. |
 
 
 
 
 
 
-<a name="cosmos.base.store.v1beta1.StoreInfo"></a>
+<a name="cosmos.base.snapshots.v1beta1.SnapshotItem"></a>
+
+### SnapshotItem
+SnapshotItem is an item contained in a rootmulti.Store snapshot.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `store` | [SnapshotStoreItem](#cosmos.base.snapshots.v1beta1.SnapshotStoreItem) |  |  |
+| `iavl` | [SnapshotIAVLItem](#cosmos.base.snapshots.v1beta1.SnapshotIAVLItem) |  |  |
+| `extension` | [SnapshotExtensionMeta](#cosmos.base.snapshots.v1beta1.SnapshotExtensionMeta) |  |  |
+| `extension_payload` | [SnapshotExtensionPayload](#cosmos.base.snapshots.v1beta1.SnapshotExtensionPayload) |  |  |
+
+
 
-### StoreInfo
-StoreInfo defines store-specific commit information. It contains a reference
-between a store name and the commit ID.
+
+
+
+<a name="cosmos.base.snapshots.v1beta1.SnapshotStoreItem"></a>
+
+### SnapshotStoreItem
+SnapshotStoreItem contains metadata about a snapshotted store.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | `name` | [string](#string) |  |  |
-| `commit_id` | [CommitID](#cosmos.base.store.v1beta1.CommitID) |  |  |
 
 
 
@@ -2783,94 +2799,96 @@ between a store name and the commit ID.
 
 
 
-<a name="cosmos/base/store/v1beta1/listening.proto"></a>
+<a name="cosmos/base/store/v1beta1/commit_info.proto"></a>
 <p align="right"><a href="#top">Top</a></p>
 
-## cosmos/base/store/v1beta1/listening.proto
-
+## cosmos/base/store/v1beta1/commit_info.proto
 
 
-<a name="cosmos.base.store.v1beta1.StoreKVPair"></a>
 
-### StoreKVPair
-StoreKVPair is a KVStore KVPair used for listening to state changes (Sets and Deletes)
-It optionally includes the StoreKey for the originating KVStore and a Boolean flag to distinguish between Sets and
-Deletes
+<a name="cosmos.base.store.v1beta1.CommitID"></a>
 
-Since: cosmos-sdk 0.43
+### CommitID
+CommitID defines the committment information when a specific store is
+committed.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `store_key` | [string](#string) |  | the store key for the KVStore this pair originates from |
-| `delete` | [bool](#bool) |  | true indicates a delete operation, false indicates a set operation |
-| `key` | [bytes](#bytes) |  |  |
-| `value` | [bytes](#bytes) |  |  |
+| `version` | [int64](#int64) |  |  |
+| `hash` | [bytes](#bytes) |  |  |
 
 
 
 
 
- <!-- end messages -->
 
- <!-- end enums -->
+<a name="cosmos.base.store.v1beta1.CommitInfo"></a>
 
- <!-- end HasExtensions -->
+### CommitInfo
+CommitInfo defines commit information used by the multi-store when committing
+a version/height.
 
- <!-- end services -->
 
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `version` | [int64](#int64) |  |  |
+| `store_infos` | [StoreInfo](#cosmos.base.store.v1beta1.StoreInfo) | repeated |  |
 
 
-<a name="cosmos/base/store/v1beta1/snapshot.proto"></a>
-<p align="right"><a href="#top">Top</a></p>
 
-## cosmos/base/store/v1beta1/snapshot.proto
 
 
 
-<a name="cosmos.base.store.v1beta1.SnapshotIAVLItem"></a>
+<a name="cosmos.base.store.v1beta1.StoreInfo"></a>
 
-### SnapshotIAVLItem
-SnapshotIAVLItem is an exported IAVL node.
+### StoreInfo
+StoreInfo defines store-specific commit information. It contains a reference
+between a store name and the commit ID.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `key` | [bytes](#bytes) |  |  |
-| `value` | [bytes](#bytes) |  |  |
-| `version` | [int64](#int64) |  |  |
-| `height` | [int32](#int32) |  |  |
+| `name` | [string](#string) |  |  |
+| `commit_id` | [CommitID](#cosmos.base.store.v1beta1.CommitID) |  |  |
 
 
 
 
 
+ <!-- end messages -->
 
-<a name="cosmos.base.store.v1beta1.SnapshotItem"></a>
+ <!-- end enums -->
 
-### SnapshotItem
-SnapshotItem is an item contained in a rootmulti.Store snapshot.
+ <!-- end HasExtensions -->
 
+ <!-- end services -->
 
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| `store` | [SnapshotStoreItem](#cosmos.base.store.v1beta1.SnapshotStoreItem) |  |  |
-| `iavl` | [SnapshotIAVLItem](#cosmos.base.store.v1beta1.SnapshotIAVLItem) |  |  |
 
 
+<a name="cosmos/base/store/v1beta1/listening.proto"></a>
+<p align="right"><a href="#top">Top</a></p>
+
+## cosmos/base/store/v1beta1/listening.proto
 
 
 
+<a name="cosmos.base.store.v1beta1.StoreKVPair"></a>
 
-<a name="cosmos.base.store.v1beta1.SnapshotStoreItem"></a>
+### StoreKVPair
+StoreKVPair is a KVStore KVPair used for listening to state changes (Sets and Deletes)
+It optionally includes the StoreKey for the originating KVStore and a Boolean flag to distinguish between Sets and
+Deletes
 
-### SnapshotStoreItem
-SnapshotStoreItem contains metadata about a snapshotted store.
+Since: cosmos-sdk 0.43
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `name` | [string](#string) |  |  |
+| `store_key` | [string](#string) |  | the store key for the KVStore this pair originates from |
+| `delete` | [bool](#bool) |  | true indicates a delete operation, false indicates a set operation |
+| `key` | [bytes](#bytes) |  |  |
+| `value` | [bytes](#bytes) |  |  |
 
 
 
@@ -5025,6 +5043,23 @@ Proposal defines the core field members of a governance proposal.
 
 
 
+<a name="cosmos.gov.v1beta1.ProposalVotingPeriod"></a>
+
+### ProposalVotingPeriod
+ProposalVotingPeriod defines custom voting periods for a unique governance
+proposal type.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `proposal_type` | [string](#string) |  | e.g. "cosmos.params.v1beta1.ParameterChangeProposal" |
+| `voting_period` | [google.protobuf.Duration](#google.protobuf.Duration) |  |  |
+
+
+
+
+
+
 <a name="cosmos.gov.v1beta1.TallyParams"></a>
 
 ### TallyParams
@@ -5104,7 +5139,8 @@ VotingParams defines the params for voting on governance proposals.
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `voting_period` | [google.protobuf.Duration](#google.protobuf.Duration) |  | Length of the voting period. |
+| `voting_period` | [google.protobuf.Duration](#google.protobuf.Duration) |  | voting_period defines the length of the voting period. |
+| `proposal_voting_periods` | [ProposalVotingPeriod](#cosmos.gov.v1beta1.ProposalVotingPeriod) | repeated | proposal_voting_periods defines custom voting periods for proposal types. |
 
 
 
@@ -6510,7 +6546,7 @@ Params defines the parameters for the staking module.
 | `historical_entries` | [uint32](#uint32) |  | historical_entries is the number of historical entries to persist. |
 | `bond_denom` | [string](#string) |  | bond_denom defines the bondable coin denomination. |
 | `min_commission_rate` | [string](#string) |  | min_commission_rate is the chain-wide minimum commission rate that a validator can charge their delegators |
-| `min_self_delegation` | [string](#string) |  | min_self_delegation is the chain-wide minimum self delegation a validator can have |
+| `min_self_delegation` | [string](#string) |  | min_self_delegation is the chain-wide minimum amount that a validator has to self delegate |
 
 
 

proto/cosmos/gov/v1beta1/gov.proto

@@ -163,13 +163,16 @@ message DepositParams {
 
 // VotingParams defines the params for voting on governance proposals.
 message VotingParams {
-  //  Length of the voting period.
+  // voting_period defines the length of the voting period.
   google.protobuf.Duration voting_period = 1 [
     (gogoproto.nullable)    = false,
     (gogoproto.stdduration) = true,
     (gogoproto.jsontag)     = "voting_period,omitempty",
     (gogoproto.moretags)    = "yaml:\"voting_period\""
   ];
+
+  // proposal_voting_periods defines custom voting periods for proposal types.
+  repeated ProposalVotingPeriod proposal_voting_periods = 2 [(gogoproto.nullable) = false];
 }
 
 // TallyParams defines the params for tallying votes on governance proposals.
@@ -198,3 +201,15 @@ message TallyParams {
     (gogoproto.moretags)   = "yaml:\"veto_threshold\""
   ];
 }
+
+// ProposalVotingPeriod defines custom voting periods for a unique governance
+// proposal type.
+message ProposalVotingPeriod {
+  string                   proposal_type = 1;  // e.g. "cosmos.params.v1beta1.ParameterChangeProposal"
+  google.protobuf.Duration voting_period = 2 [
+    (gogoproto.nullable)    = false,
+    (gogoproto.stdduration) = true,
+    (gogoproto.jsontag)     = "voting_period,omitempty",
+    (gogoproto.moretags)    = "yaml:\"voting_period\""
+  ];
+}

x/gov/keeper/grpc_query.go

@@ -169,8 +169,8 @@ func (q Keeper) Params(c context.Context, req *types.QueryParamsRequest) (*types
 		return &types.QueryParamsResponse{DepositParams: depositParmas}, nil
 
 	case types.ParamVoting:
-		votingParmas := q.GetVotingParams(ctx)
-		return &types.QueryParamsResponse{VotingParams: votingParmas}, nil
+		votingParams := q.GetVotingParams(ctx)
+		return &types.QueryParamsResponse{VotingParams: votingParams}, nil
 
 	case types.ParamTallying:
 		tallyParams := q.GetTallyParams(ctx)