syntax = "proto3";
package accounting;
option go_package = "github.com/nspcc-dev/neofs-proto/accounting";

import "decimal/decimal.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";

option (gogoproto.stable_marshaler_all) = true;

// Snapshot accounting messages
message Account {
    bytes OwnerID                 = 1 [(gogoproto.customtype) = "OwnerID",  (gogoproto.nullable) = false];
    string Address                = 2;
    string ParentAddress          = 3;
    decimal.Decimal ActiveFunds   = 4;
    Lifetime Lifetime             = 5 [(gogoproto.nullable) = false];
    LockTarget LockTarget         = 6;
    repeated Account LockAccounts = 7;
}

message LockTarget {
    oneof Target {
        WithdrawTarget WithdrawTarget = 1;
        ContainerCreateTarget ContainerCreateTarget = 2;
    }
}

// Snapshot balance messages
message Balances {
    repeated Account Accounts = 1 [(gogoproto.nullable) = false];
}

// PayIn / PayOut messages
message PayIO {
    uint64 BlockID = 1;
    repeated Tx Transactions = 2 [(gogoproto.nullable) = false];
}

// Clearing messages
message Clearing {
    repeated Tx Transactions = 1 [(gogoproto.nullable) = false];
}

// Clearing messages
message Withdraw {
    string ID = 1;
    uint64 Epoch = 2;
    Tx Transaction = 3;
}

// Lifetime of locks
message Lifetime {
    enum Unit {
        Unlimited = 0;
        NeoFSEpoch = 1;
        NeoBlock = 2;
    }

    Unit unit = 1 [(gogoproto.customname) = "Unit"];
    int64 Value = 2;
}

// Transaction messages
message Tx {
    enum Type {
        Unknown  = 0;
        Withdraw = 1;
        PayIO    = 2;
        Inner    = 3;
    }

    Type type              = 1 [(gogoproto.customname) = "Type"];
    string From            = 2;
    string To              = 3;
    decimal.Decimal Amount = 4;
    bytes PublicKeys       = 5; // of sender
}

message Settlement {
    message Receiver {
        string To              = 1;
        decimal.Decimal Amount = 2;
    }

    message Container {
        bytes CID            = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
        repeated bytes SGIDs = 2 [(gogoproto.customtype) = "SGID", (gogoproto.nullable) = false];
    }

    message Tx {
        string From                 = 1;
        Container Container         = 2 [(gogoproto.nullable) = false];
        repeated Receiver Receivers = 3 [(gogoproto.nullable) = false];
    }

    uint64 Epoch             = 1;
    repeated Tx Transactions = 2;
}

message ContainerCreateTarget {
    bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
}

message WithdrawTarget {
    string Cheque = 1;
}