syntax = "proto3";
package cosmos.authz.v1beta1;

import "cosmos_proto/cosmos.proto";
import "gogoproto/gogo.proto";
import "google/protobuf/any.proto";
import "cosmos/authz/v1beta1/authz.proto";

option go_package                      = "github.com/cosmos/cosmos-sdk/x/authz";
option (gogoproto.goproto_getters_all) = false;

// Msg defines the authz Msg service.
service Msg {
  // Grant grants the provided authorization to the grantee on the granter's
  // account with the provided expiration time. If there is already a grant
  // for the given (granter, grantee, Authorization) triple, then the grant
  // will be overwritten.
  rpc Grant(MsgGrant) returns (MsgGrantResponse);

  // Exec attempts to execute the provided messages using
  // authorizations granted to the grantee. Each message should have only
  // one signer corresponding to the granter of the authorization.
  rpc Exec(MsgExec) returns (MsgExecResponse);

  // Revoke revokes any authorization corresponding to the provided method name on the
  // granter's account that has been granted to the grantee.
  rpc Revoke(MsgRevoke) returns (MsgRevokeResponse);
}

// MsgGrant is a request type for Grant method. It declares authorization to the grantee
// on behalf of the granter with the provided expiration time.
message MsgGrant {
  string granter = 1;
  string grantee = 2;

  cosmos.authz.v1beta1.Grant grant = 3 [(gogoproto.nullable) = false];
}

// MsgExecResponse defines the Msg/MsgExecResponse response type.
message MsgExecResponse {
  repeated bytes results = 1;
}

// MsgExec attempts to execute the provided messages using
// authorizations granted to the grantee. Each message should have only
// one signer corresponding to the granter of the authorization.
message MsgExec {
  string grantee = 1;
  // Authorization Msg requests to execute. Each msg must implement Authorization interface
  // The x/authz will try to find a grant matching (msg.signers[0], grantee, MsgTypeURL(msg))
  // triple and validate it.
  repeated google.protobuf.Any msgs = 2 [(cosmos_proto.accepts_interface) = "sdk.Msg, authz.Authorization"];
}

// MsgGrantResponse defines the Msg/MsgGrant response type.
message MsgGrantResponse {}

// MsgRevoke revokes any authorization with the provided sdk.Msg type on the
// granter's account with that has been granted to the grantee.
message MsgRevoke {
  string granter      = 1;
  string grantee      = 2;
  string msg_type_url = 3;
}

// MsgRevokeResponse defines the Msg/MsgRevokeResponse response type.
message MsgRevokeResponse {}