import type { BigNumber } from '@ethersproject/bignumber';
import * as t from 'io-ts';
import { Address, Hash, Secret } from '../utils/types';
export declare const Direction: {
    readonly SENT: "sent";
    readonly RECEIVED: "received";
};
export declare type Direction = typeof Direction[keyof typeof Direction];
export declare const DirectionC: t.KeyofC<{
    sent: string;
    received: string;
}>;
/**
 * This struct holds the relevant messages exchanged in a transfer
 * The transfer state is defined by the exchanged messages
 */
declare const _TransferState: t.ReadonlyC<t.IntersectionC<[t.TypeC<{
    _id: t.StringC;
    channel: t.StringC;
    direction: t.KeyofC<{
        sent: string;
        received: string;
    }>;
    secrethash: import("../utils/types").HexStringC<32>;
    expiration: t.NumberC;
    /** -> outgoing locked transfer */
    transfer: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").LockedTransferC>>;
    fee: import("../utils/types").IntC<32>;
    partner: import("../utils/types").AddressC;
    cleared: t.NumberC;
}>, t.PartialC<{
    /** Transfer secret, if known */
    secret: import("../utils/types").HexStringC<32>;
    /** Set iff secret got registered on-chain on a block before transfer expiration */
    secretRegistered: import("../utils/types").TimedC<t.TypeC<{
        txHash: import("../utils/types").HexStringC<32>;
        txBlock: t.NumberC;
    }>>;
    /** <- incoming processed for locked transfer */
    transferProcessed: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").ProcessedC>>;
    /** !! channel was closed !!  */
    channelClosed: import("../utils/types").TimedC<t.TypeC<{
        txHash: import("../utils/types").HexStringC<32>;
        txBlock: t.NumberC;
    }>>;
    /** channel was settled */
    channelSettled: import("../utils/types").TimedC<t.TypeC<{
        txHash: import("../utils/types").HexStringC<32>;
        txBlock: t.NumberC;
    }>>;
    /**
     * <- incoming secret request from target
     * If this is set, it means the target requested the secret, not necessarily with a valid
     * amount (an invalid amount < value == lock - fee, means transfer failed)
     */
    secretRequest: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").SecretRequestC>>;
    /**
     * -> outgoing secret reveal to target
     * If this is set, it means the secret was revealed (so transfer succeeded, even if it didn't
     * complete yet)
     */
    secretReveal: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").SecretRevealC>>;
    /**
     * -> outgoing unlock to recipient
     * If this is set, it means the Unlock was sent (even if partner didn't acknowledge it yet)
     */
    unlock: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").UnlockC>>;
    /**
     * -> outgoing lock expired (if so)
     * If this is set, transfer failed, and we expired the lock (retrieving the locked amount).
     * Transfer failed may not have completed yet, e.g. waiting for LockExpired's Processed reply
     */
    expired: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").LockExpiredC>>;
    /**
     * <- incoming processed for Unlock message
     * If this is set, the protocol completed by the transfer succeeding and partner
     * acknowledging validity of our off-chain unlock
     */
    unlockProcessed: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").ProcessedC>>;
    /**
     * <- incoming processed for LockExpired message
     * If this is set, the protocol completed by the transfer failing and partner acknowledging
     * this transfer can't be claimed anymore
     */
    expiredProcessed: import("../utils/types").TimedC<import("../utils/types").SignedC<import("../messages/types").ProcessedC>>;
}>]>>;
export interface TransferState extends t.TypeOf<typeof _TransferState> {
}
export interface TransferStateC extends t.Type<TransferState, t.OutputOf<typeof _TransferState>> {
}
export declare const TransferState: TransferStateC;
export declare enum RaidenTransferStatus {
    pending = "PENDING",
    received = "RECEIVED",
    closed = "CLOSED",
    requested = "REQUESTED",
    revealed = "REVEALED",
    registered = "REGISTERED",
    unlocking = "UNLOCKING",
    expiring = "EXPIRING",
    unlocked = "UNLOCKED",
    expired = "EXPIRED"
}
/**
 * Public exposed transfers interface (Raiden.transfers$)
 *
 * This should be only used as a public view of the internal transfer state
 */
export interface RaidenTransfer {
    key: string;
    secrethash: Hash;
    direction: 'sent' | 'received';
    status: RaidenTransferStatus;
    initiator: Address;
    partner: Address;
    target: Address;
    metadata: unknown;
    paymentId: BigNumber;
    chainId: number;
    token: Address;
    tokenNetwork: Address;
    channelId: BigNumber;
    value: BigNumber;
    fee: BigNumber;
    amount: BigNumber;
    expiration: number;
    startedAt: Date;
    changedAt: Date;
    /**
     * Set as soon as known if transfer did happen or fail (even if still there're pending actions)
     * undefined=pending, true=success, false=failed
     */
    success: boolean | undefined;
    /**
     * True if transfer did complete, i.e. nothing else left to be done for it
     * False if transfer still has pending actions (even if success status is already known)
     */
    completed: boolean;
    secret?: Secret;
}
export declare const RevealedSecret: t.IntersectionC<[t.TypeC<{
    secret: import("../utils/types").HexStringC<32>;
    amount: import("../utils/types").UIntC<32>;
}>, t.PartialC<{
    payment_identifier: import("../utils/types").UIntC<8>;
}>]>;
export declare type RevealedSecret = t.TypeOf<typeof RevealedSecret>;
export {};