syntax = "proto3";

package likechain.iscn;

import "gogoproto/gogo.proto";

option go_package = "github.com/likecoin/likecoin-chain/v4/x/iscn/types";

// Msg defines the bank Msg service.
service Msg {
  // CreateIscnRecord defines a method to create ISCN metadata
  rpc CreateIscnRecord(MsgCreateIscnRecord) returns (MsgCreateIscnRecordResponse);
  // UpdateIscnRecord defines a method to update existing ISCN metadata
  rpc UpdateIscnRecord(MsgUpdateIscnRecord) returns (MsgUpdateIscnRecordResponse);
  // ChangeIscnRecordOwnership defines a method to update the ownership of existing ISCN metadata
  rpc ChangeIscnRecordOwnership(MsgChangeIscnRecordOwnership) returns (MsgChangeIscnRecordOwnershipResponse);
}

message IscnRecord {
  // Using camelCases to make the record JSON in tx more like general JSON documents
  string recordNotes = 1;
  repeated string contentFingerprints = 2;

  // Here, `IscnInput` is JSON encoded bytes
  repeated bytes stakeholders = 3 [(gogoproto.customtype) = "IscnInput"];
  bytes contentMetadata = 4 [
    (gogoproto.nullable) = false,
    (gogoproto.customtype) = "IscnInput"
  ];
}

message MsgCreateIscnRecord {
  string from = 1;
  IscnRecord record = 2 [(gogoproto.nullable) = false];
  uint64 nonce = 3;
}

message MsgCreateIscnRecordResponse {
  string iscn_id = 1;
  string record_ipld = 2;
}

message MsgUpdateIscnRecord {
  string from = 1;
  string iscn_id = 2;
  IscnRecord record = 3 [(gogoproto.nullable) = false];
}

message MsgUpdateIscnRecordResponse {
  string iscn_id = 1;
  string record_ipld = 2;
}

message MsgChangeIscnRecordOwnership {
  string from = 1;
  string iscn_id = 2;
  string new_owner = 3;
}

message MsgChangeIscnRecordOwnershipResponse {}