[CORE-826] Initial protos for x/ibcratelimit

proto/dydxprotocol/ibcratelimit/capacity.proto

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+syntax = "proto3";
+package dydxprotocol.ibcratelimit;
+
+import "gogoproto/gogo.proto";
+
+option go_package = "github.com/dydxprotocol/v4-chain/protocol/x/ibcratelimit/types";
+
+// DenomCapacity stores a list of rate limit capacity for a denom.
+message DenomCapacity {
+  // denom is the denomination of the token being rate limited.
+  // e.g. ibc/8E27BA2D5493AF5636760E354E46004562C46AB7EC0CC4C1CA14E9E20E2545B5
+  string denom = 1; 
+  // capacity_list is a list of capacity amount tracked for each `Limiter`
+  // on the denom. This list has a 1:1 mapping to `limiter` list under `LimitParams`.
+  repeated bytes capacity_list = 2 [
+    (gogoproto.customtype) =
+        "github.com/dydxprotocol/v4-chain/protocol/dtypes.SerializableInt",
+    (gogoproto.nullable) = false
+  ];
+}

proto/dydxprotocol/ibcratelimit/genesis.proto

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+syntax = "proto3";
+package dydxprotocol.ibcratelimit;
+
+import "gogoproto/gogo.proto";
+import "dydxprotocol/ibcratelimit/limit_params.proto";
+
+option go_package = "github.com/dydxprotocol/v4-chain/protocol/x/ibcratelimit/types";
+
+// GenesisState defines the ibcratelimit module's genesis state.
+message GenesisState {
+  // limit_params_list defines the list of `LimitParams` at genesis.
+  repeated LimitParams limit_params_list = 1 [ (gogoproto.nullable) = false ];
+}

proto/dydxprotocol/ibcratelimit/limit_params.proto

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+syntax = "proto3";
+package dydxprotocol.ibcratelimit;
+
+import "gogoproto/gogo.proto";
+
+option go_package = "github.com/dydxprotocol/v4-chain/protocol/x/ibcratelimit/types";
+
+// LimitParams defines rate limit params on a denom.
+message LimitParams {
+  // denom is the denomination of the token being rate limited.
+  // e.g. ibc/8E27BA2D5493AF5636760E354E46004562C46AB7EC0CC4C1CA14E9E20E2545B5
+  string denom = 1; 
+  // limiters is a list of rate-limiters on this denom. All limiters
+  // must be satified for a withdrawal to proceed.
+  repeated Limiter limiters = 2;
+}
+
+// Limiter defines one rate-limiter on a specfic denom.
+message Limiter {
+    // period_sec is the rolling time period for which the limit applies
+  // e.g. 3600 (an hour)
+  uint32 period_sec = 2;
+  // baseline_minimum is the minimum maximum withdrawal coin amount within the
+  // time period.
+  // e.g. 100_000_000_000 uusdc for 100k USDC; 5e22 adv4tnt for 50k DV4TNT   
+  bytes baseline_minimum = 3 [
+    (gogoproto.customtype) =
+        "github.com/dydxprotocol/v4-chain/protocol/dtypes.SerializableInt",
+    (gogoproto.nullable) = false
+  ];
+  // baseline_tvl_ppm is the maximum ratio of TVL withdrawable in 
+  // the time period, in part-per-million.
+  // e.g. 100_000 (10%)
+  uint32 baseline_tvl_ppm = 4;
+}

proto/dydxprotocol/ibcratelimit/query.proto

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+syntax = "proto3";
+package dydxprotocol.ibcratelimit;
+
+import "gogoproto/gogo.proto";
+import "dydxprotocol/ibcratelimit/limit_params.proto";
+
+option go_package = "github.com/dydxprotocol/v4-chain/protocol/x/ibcratelimit/types";
+
+// Query defines the gRPC querier service.
+service Query {
+  // List all limit params.
+	rpc ListLimitParams(ListLimitParamsRequest)
+		returns (ListLimitParamsResponse);
+
+  // Query capacity by denom.
+	rpc CapacityByDenom(QueryCapacityByDenomRequest)
+		returns (QueryCapacityByDenomResponse);
+}
+
+// ListLimitParamsRequest is a request type of the ListLimitParams RPC method.
+message ListLimitParamsRequest {}
+
+// ListLimitParamsResponse is a response type of the ListLimitParams RPC method.
+message ListLimitParamsResponse {
+	repeated LimitParams limit_params_list = 1;
+}
+
+// QueryCapacityByDenomRequest is a request type for the CapacityByDenom RPC method.
+message QueryCapacityByDenomRequest {
+  string denom = 1;
+}
+
+// CapacityResult is a specific rate limit for a denom. 
+message CapacityResult {
+  uint32 period_sec = 1;
+  bytes capacity = 2 [
+    (gogoproto.customtype) =
+        "github.com/dydxprotocol/v4-chain/protocol/dtypes.SerializableInt",
+    (gogoproto.nullable) = false
+  ];
+}
+
+// QueryCapacityByDenomResponse is a response type of the CapacityByDenom RPC method.
+message QueryCapacityByDenomResponse {
+	repeated CapacityResult results = 1;
+}

proto/dydxprotocol/ibcratelimit/tx.proto

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+syntax = "proto3";
+package dydxprotocol.ibcratelimit;
+
+option go_package = "github.com/dydxprotocol/v4-chain/protocol/x/ibcratelimit/types";
+
+import "cosmos/msg/v1/msg.proto";
+import "dydxprotocol/ibcratelimit/limit_params.proto";
+
+// Msg defines the Msg service.
+service Msg {
+  // SetLimitParams sets a `LimitParams` object in state.
+  rpc SetLimitParams(MsgSetLimitParams) returns (MsgSetLimitParamsResponse);
+
+  // DeleteLimitParams removes a `LimitParams` object in state.
+  rpc DeleteLimitParams(MsgDeleteLimitParams) returns (MsgDeleteLimitParamsResponse);
+}
+
+// MsgSetLimitParams is the Msg/SetLimitParams request type.
+message MsgSetLimitParams {
+  // The address that controls the module.
+  option (cosmos.msg.v1.signer) = "authority";
+  string authority = 1;
+
+  // Defines the parameters to set. All parameters must be supplied.
+	LimitParams limit_params = 2;
+}
+
+// MsgSetLimitParamsResponse is the Msg/SetLimitParams response type.
+message MsgSetLimitParamsResponse {}
+
+// MsgDeleteLimitParams is the Msg/SetLimitParams request type.
+message MsgDeleteLimitParams {
+  // The address that controls the module.
+  option (cosmos.msg.v1.signer) = "authority";
+  string authority = 1;
+
+  // The denom for which the `LimitParams` should be deleted.
+	string denom = 2;
+}
+
+// MsgDeleteLimitParamsResponse is the Msg/DeleteLimitParams response type.
+message MsgDeleteLimitParamsResponse {}