import { SignatureEntry, SignedState, State, Uint256 } from '../types';
import { BaseObjective, BaseObjectiveEvent } from './objective';
export declare const MAX_WAITING_TIME = 5000;
export declare type OpenChannelEvent = BaseObjectiveEvent & ({
    type: 'Crank';
} | {
    type: 'StatesReceived';
    states: SignedState[];
} | {
    type: 'FundingUpdated';
    amount: Uint256;
    finalized: boolean;
} | {
    type: 'DepositSubmitted';
    tx: string;
    attempt: number;
    submittedAt: number;
} | {
    type: 'Approval';
});
export declare type SignedStateHash = {
    hash: string;
    signatures: SignatureEntry[];
};
export declare enum WaitingFor {
    approval = "DirectFunder.approval",
    theirPreFundSetup = "DirectFunder.theirPreFundSetup",
    safeToDeposit = "DirectFunder.safeToDeposit",
    channelFunded = "DirectFunder.channelFunded",
    theirPostFundState = "DirectFunder.theirPostFundSetup"
}
export declare type OpenChannelObjective = BaseObjective & {
    status: WaitingFor | 'success' | 'error';
    approved: boolean;
    channelId: string;
    openingState: State;
    myIndex: number;
    preFundSetup: SignedStateHash;
    funding: {
        amount: Uint256;
        finalized: boolean;
    };
    fundingRequest: {
        tx: string;
        attempts: number;
        submittedAt: number;
    } | undefined;
    postFundSetup: SignedStateHash;
};
export declare function initialize(openingState: State | SignedState, myIndex: number, approved?: boolean): OpenChannelObjective;
export declare type Action = {
    type: 'sendStates';
    states: SignedState[];
} | {
    type: 'deposit';
    amount: Uint256;
} | {
    type: 'handleError';
    error: Error;
};
export declare type OpenChannelResult = {
    objective: OpenChannelObjective;
    actions: Action[];
};
export declare function openChannelCranker(currentObjectiveState: OpenChannelObjective, event: OpenChannelEvent, myPrivateKey: string): OpenChannelResult;
declare type FundingMilestone = {
    targetBefore: Uint256;
    targetAfter: Uint256;
    targetTotal: Uint256;
};
export declare const utils: {
    fundingMilestone(state: State, destination: string): FundingMilestone;
};
export declare type ErrorModes = {
    message: 'NonParticipantSignature';
    signature: SignatureEntry;
} | {
    message: 'ReceivedUnexpectedState';
    received: string;
    expected: [string, string];
} | {
    message: 'TimedOutWhileFunding';
    now: number;
    submittedAt: number;
} | {
    message: 'UnexpectedEvent';
    event: any;
};
export {};
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