import { Counter, Gauge, Histogram } from 'prom-client';
import { Logger, Address, Metrics, Eventual } from '@graphprotocol/common-ts';
import { Allocation, AllocationReceipt, QueryFeeModels, TransactionManager, specification as spec, SubgraphClient } from '..';
import { DHeap } from '@thi.ng/heaps';
import { BigNumber, Contract } from 'ethers';
interface AllocationReceiptsBatch {
    receipts: AllocationReceipt[];
    timeout: number;
}
export interface PartialVoucher {
    allocation: string;
    fees: string;
    signature: string;
    receipt_id_min: string;
    receipt_id_max: string;
}
interface ReceiptMetrics {
    receiptsToCollect: Gauge<string>;
    failedReceipts: Counter<string>;
    partialVouchersToExchange: Gauge<string>;
    receiptsCollectDuration: Histogram<string>;
    vouchers: Counter<string>;
    successVoucherRedeems: Counter<string>;
    invalidVoucherRedeems: Counter<string>;
    failedVoucherRedeems: Counter<string>;
    vouchersRedeemDuration: Histogram<string>;
    vouchersBatchRedeemSize: Gauge<never>;
    voucherCollectedFees: Gauge<string>;
}
export interface AllocationPartialVouchers {
    allocation: string;
    partialVouchers: PartialVoucher[];
}
export interface AllocationReceiptCollectorOptions {
    logger: Logger;
    metrics: Metrics;
    transactionManager: TransactionManager;
    allocationExchange: Contract;
    allocations: Eventual<Allocation[]>;
    models: QueryFeeModels;
    networkSpecification: spec.NetworkSpecification;
    networkSubgraph: SubgraphClient;
}
export interface ReceiptCollector {
    rememberAllocations(actionID: number, allocationIDs: Address[]): Promise<boolean>;
    collectReceipts(actionID: number, allocation: Allocation): Promise<boolean>;
}
export declare class AllocationReceiptCollector implements ReceiptCollector {
    logger: Logger;
    metrics: ReceiptMetrics;
    models: QueryFeeModels;
    transactionManager: TransactionManager;
    allocationExchange: Contract;
    allocations: Eventual<Allocation[]>;
    collectEndpoint: URL;
    partialVoucherEndpoint: URL;
    voucherEndpoint: URL;
    receiptsToCollect: DHeap<AllocationReceiptsBatch>;
    voucherRedemptionThreshold: BigNumber;
    voucherRedemptionBatchThreshold: BigNumber;
    voucherRedemptionMaxBatchSize: number;
    protocolNetwork: string;
    networkSubgraph: SubgraphClient;
    private constructor();
    static create({ logger, metrics, transactionManager, models, allocationExchange, allocations, networkSpecification, networkSubgraph, }: AllocationReceiptCollectorOptions): Promise<AllocationReceiptCollector>;
    rememberAllocations(actionID: number, allocationIDs: Address[]): Promise<boolean>;
    collectReceipts(actionID: number, allocation: Allocation): Promise<boolean>;
    private startReceiptCollecting;
    private startVoucherProcessing;
    private pendingVouchers;
    private encodeReceiptBatch;
    private obtainReceiptsVoucher;
    private submitVouchers;
    queuePendingReceiptsFromDatabase(): Promise<void>;
}
export declare function encodePartialVouchers(partialVouchers: PartialVoucher[]): AllocationPartialVouchers;
export {};