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(MsgCreateGroupRequest) returns (MsgCreateGroupResponse);

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

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

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

  // CreateGroupAccount creates a new group account using given DecisionPolicy.
  rpc CreateGroupAccount(MsgCreateGroupAccountRequest) returns (MsgCreateGroupAccountResponse);

  // UpdateGroupAccountAdmin updates a group account admin.
  rpc UpdateGroupAccountAdmin(MsgUpdateGroupAccountAdminRequest) returns (MsgUpdateGroupAccountAdminResponse);

  // UpdateGroupAccountDecisionPolicy allows a group account decision policy to be updated.
  rpc UpdateGroupAccountDecisionPolicy(MsgUpdateGroupAccountDecisionPolicyRequest)
      returns (MsgUpdateGroupAccountDecisionPolicyResponse);

  // UpdateGroupAccountMetadata updates a group account metadata.
  rpc UpdateGroupAccountMetadata(MsgUpdateGroupAccountMetadataRequest) returns (MsgUpdateGroupAccountMetadataResponse);

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

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

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

//
// Groups
//

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

  // admin is the account address of the group admin.
  string admin = 1;

  // 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;
}

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

  // admin is the account address of the group admin.
  string admin = 1;

  // 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 {}

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

  // admin is the current account address of the group admin.
  string admin = 1;

  // 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;
}

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

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

  // admin is the account address of the group admin.
  string admin = 1;

  // 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 Accounts
//

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

  // admin is the account address of the group admin.
  string admin = 1;

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

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

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

// MsgCreateGroupAccountResponse is the Msg/CreateGroupAccount response type.
message MsgCreateGroupAccountResponse {

  // address is the account address of the newly created group account.
  string address = 1;
}

// MsgUpdateGroupAccountAdminRequest is the Msg/UpdateGroupAccountAdmin request type.
message MsgUpdateGroupAccountAdminRequest {

  // admin is the account address of the group admin.
  string admin = 1;

  // address is the group account address.
  string address = 2;

  // new_admin is the new group account admin.
  string new_admin = 3;
}

// MsgUpdateGroupAccountAdminResponse is the Msg/UpdateGroupAccountAdmin response type.
message MsgUpdateGroupAccountAdminResponse {}

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

  // admin is the account address of the group admin.
  string admin = 1;

  // address is the group account address.
  string address = 2;

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

// MsgUpdateGroupAccountDecisionPolicyResponse is the Msg/UpdateGroupAccountDecisionPolicy response type.
message MsgUpdateGroupAccountDecisionPolicyResponse {}

// MsgUpdateGroupAccountMetadataRequest is the Msg/UpdateGroupAccountMetadata request type.
message MsgUpdateGroupAccountMetadataRequest {

  // admin is the account address of the group admin.
  string admin = 1;

  // address is the group account address.
  string address = 2;

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

// MsgUpdateGroupAccountMetadataResponse is the Msg/UpdateGroupAccountMetadata response type.
message MsgUpdateGroupAccountMetadataResponse {}

//
// 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;
}

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

  // address is the group account address.
  string address = 1;

  // 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;
}

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

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

  // voter is the voter account address.
  string voter = 2;

  // 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 {}

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

  // 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;
}

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