syntax = "proto3";

package cosmos.group.v1beta1;

option go_package = "github.com/cosmos/cosmos-sdk/x/group";

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

// Msg is the cosmos.group.v1beta1 Msg service.
service Msg {

  // CreateGroup creates a new group with an admin account address, a list of members and some optional metadata.
  rpc CreateGroup(MsgCreateGroup) returns (MsgCreateGroupResponse);

  // UpdateGroupMembers updates the group members with given group id and admin address.
  rpc UpdateGroupMembers(MsgUpdateGroupMembers) returns (MsgUpdateGroupMembersResponse);

  // UpdateGroupAdmin updates the group admin with given group id and previous admin address.
  rpc UpdateGroupAdmin(MsgUpdateGroupAdmin) returns (MsgUpdateGroupAdminResponse);

  // UpdateGroupMetadata updates the group metadata with given group id and admin address.
  rpc UpdateGroupMetadata(MsgUpdateGroupMetadata) returns (MsgUpdateGroupMetadataResponse);

  // CreateGroupPolicy creates a new group policy using given DecisionPolicy.
  rpc CreateGroupPolicy(MsgCreateGroupPolicy) returns (MsgCreateGroupPolicyResponse);

  // UpdateGroupPolicyAdmin updates a group policy admin.
  rpc UpdateGroupPolicyAdmin(MsgUpdateGroupPolicyAdmin) returns (MsgUpdateGroupPolicyAdminResponse);

  // UpdateGroupPolicyDecisionPolicy allows a group policy's decision policy to be updated.
  rpc UpdateGroupPolicyDecisionPolicy(MsgUpdateGroupPolicyDecisionPolicy)
      returns (MsgUpdateGroupPolicyDecisionPolicyResponse);

  // UpdateGroupPolicyMetadata updates a group policy metadata.
  rpc UpdateGroupPolicyMetadata(MsgUpdateGroupPolicyMetadata) returns (MsgUpdateGroupPolicyMetadataResponse);

  // CreateProposal submits a new proposal.
  rpc CreateProposal(MsgCreateProposal) returns (MsgCreateProposalResponse);

  // Vote allows a voter to vote on a proposal.
  rpc Vote(MsgVote) returns (MsgVoteResponse);

  // Exec executes a proposal.
  rpc Exec(MsgExec) returns (MsgExecResponse);
}

//
// Groups
//

// MsgCreateGroup is the Msg/CreateGroup request type.
message MsgCreateGroup {

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // members defines the group members.
  repeated Member members = 2 [(gogoproto.nullable) = false];

  // metadata is any arbitrary metadata to attached to the group.
  bytes metadata = 3;
}

// MsgCreateGroupResponse is the Msg/CreateGroup response type.
message MsgCreateGroupResponse {

  // group_id is the unique ID of the newly created group.
  uint64 group_id = 1;
}

// MsgUpdateGroupMembers is the Msg/UpdateGroupMembers request type.
message MsgUpdateGroupMembers {

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // group_id is the unique ID of the group.
  uint64 group_id = 2;

  // member_updates is the list of members to update,
  // set weight to 0 to remove a member.
  repeated Member member_updates = 3 [(gogoproto.nullable) = false];
}

// MsgUpdateGroupMembersResponse is the Msg/UpdateGroupMembers response type.
message MsgUpdateGroupMembersResponse {}

// MsgUpdateGroupAdmin is the Msg/UpdateGroupAdmin request type.
message MsgUpdateGroupAdmin {

  // admin is the current account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // group_id is the unique ID of the group.
  uint64 group_id = 2;

  // new_admin is the group new admin account address.
  string new_admin = 3 [(cosmos_proto.scalar) = "cosmos.AddressString"];
}

// MsgUpdateGroupAdminResponse is the Msg/UpdateGroupAdmin response type.
message MsgUpdateGroupAdminResponse {}

// MsgUpdateGroupMetadata is the Msg/UpdateGroupMetadata request type.
message MsgUpdateGroupMetadata {

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // group_id is the unique ID of the group.
  uint64 group_id = 2;

  // metadata is the updated group's metadata.
  bytes metadata = 3;
}

// MsgUpdateGroupMetadataResponse is the Msg/UpdateGroupMetadata response type.
message MsgUpdateGroupMetadataResponse {}

//
// Group Policies
//

// MsgCreateGroupPolicy is the Msg/CreateGroupPolicy request type.
message MsgCreateGroupPolicy {
  option (gogoproto.goproto_getters) = false;

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // group_id is the unique ID of the group.
  uint64 group_id = 2;

  // metadata is any arbitrary metadata attached to the group policy.
  bytes metadata = 3;

  // decision_policy specifies the group policy's decision policy.
  google.protobuf.Any decision_policy = 4 [(cosmos_proto.accepts_interface) = "DecisionPolicy"];
}

// MsgCreateGroupPolicyResponse is the Msg/CreateGroupPolicy response type.
message MsgCreateGroupPolicyResponse {

  // address is the account address of the newly created group policy.
  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
}

// MsgUpdateGroupPolicyAdmin is the Msg/UpdateGroupPolicyAdmin request type.
message MsgUpdateGroupPolicyAdmin {

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // address is the account address of the group policy.
  string address = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // new_admin is the new group policy admin.
  string new_admin = 3 [(cosmos_proto.scalar) = "cosmos.AddressString"];
}

// MsgUpdateGroupPolicyAdminResponse is the Msg/UpdateGroupPolicyAdmin response type.
message MsgUpdateGroupPolicyAdminResponse {}

// MsgUpdateGroupPolicyDecisionPolicy is the Msg/UpdateGroupPolicyDecisionPolicy request type.
message MsgUpdateGroupPolicyDecisionPolicy {
  option (gogoproto.goproto_getters) = false;

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // address is the account address of group policy.
  string address = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // decision_policy is the updated group policy's decision policy.
  google.protobuf.Any decision_policy = 3 [(cosmos_proto.accepts_interface) = "DecisionPolicy"];
}

// MsgUpdateGroupPolicyDecisionPolicyResponse is the Msg/UpdateGroupPolicyDecisionPolicy response type.
message MsgUpdateGroupPolicyDecisionPolicyResponse {}

// MsgUpdateGroupPolicyMetadata is the Msg/UpdateGroupPolicyMetadata request type.
message MsgUpdateGroupPolicyMetadata {

  // admin is the account address of the group admin.
  string admin = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // address is the account address of group policy.
  string address = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // metadata is the updated group policy metadata.
  bytes metadata = 3;
}

// MsgUpdateGroupPolicyMetadataResponse is the Msg/UpdateGroupPolicyMetadata response type.
message MsgUpdateGroupPolicyMetadataResponse {}

//
// Proposals and Voting
//

// Exec defines modes of execution of a proposal on creation or on new vote.
enum Exec {

  // An empty value means that there should be a separate
  // MsgExec request for the proposal to execute.
  EXEC_UNSPECIFIED = 0;

  // Try to execute the proposal immediately.
  // If the proposal is not allowed per the DecisionPolicy,
  // the proposal will still be open and could
  // be executed at a later point.
  EXEC_TRY = 1;
}

// MsgCreateProposal is the Msg/CreateProposal request type.
message MsgCreateProposal {
  option (gogoproto.goproto_getters) = false;

  // address is the account address of group policy.
  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // proposers are the account addresses of the proposers.
  // Proposers signatures will be counted as yes votes.
  repeated string proposers = 2;

  // metadata is any arbitrary metadata to attached to the proposal.
  bytes metadata = 3;

  // msgs is a list of Msgs that will be executed if the proposal passes.
  repeated google.protobuf.Any msgs = 4;

  // exec defines the mode of execution of the proposal,
  // whether it should be executed immediately on creation or not.
  // If so, proposers signatures are considered as Yes votes.
  Exec exec = 5;
}

// MsgCreateProposalResponse is the Msg/CreateProposal response type.
message MsgCreateProposalResponse {

  // proposal is the unique ID of the proposal.
  uint64 proposal_id = 1;
}

// MsgVote is the Msg/Vote request type.
message MsgVote {

  // proposal is the unique ID of the proposal.
  uint64 proposal_id = 1;
  // voter is the voter account address.
  string voter = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];

  // choice is the voter's choice on the proposal.
  Choice choice = 3;

  // metadata is any arbitrary metadata to attached to the vote.
  bytes metadata = 4;

  // exec defines whether the proposal should be executed
  // immediately after voting or not.
  Exec exec = 5;
}

// MsgVoteResponse is the Msg/Vote response type.
message MsgVoteResponse {}

// MsgExec is the Msg/Exec request type.
message MsgExec {

  // proposal is the unique ID of the proposal.
  uint64 proposal_id = 1;

  // signer is the account address used to execute the proposal.
  string signer = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];
}

// MsgExecResponse is the Msg/Exec request type.
message MsgExecResponse {}