UNPKG

@atomiqlabs/sdk

Version:

atomiq labs SDK for cross-chain swaps between smart chains and bitcoin

140 lines (139 loc) 5.07 kB
/// <reference types="node" /> /// <reference types="node" /> import { ISwap, ISwapInit } from "../ISwap"; import { ChainType, SwapCommitState, SwapData, SwapExpiredState, SwapNotCommitedState, SwapPaidState } from "@atomiqlabs/base"; import { IEscrowSwapDefinition, IEscrowSwapWrapper } from "./IEscrowSwapWrapper"; import { Buffer } from "buffer"; export type IEscrowSwapInit<T extends SwapData> = ISwapInit & { data?: T; }; export declare function isIEscrowSwapInit<T extends SwapData>(obj: any): obj is IEscrowSwapInit<T>; /** * Base class for escrow-based swaps (i.e. swaps utilizing PrTLC and HTLC primitives) * * @category Swaps/Abstract */ export declare abstract class IEscrowSwap<T extends ChainType = ChainType, D extends IEscrowSwapDefinition<T, IEscrowSwapWrapper<T, D>, IEscrowSwap<T, D, S>> = IEscrowSwapDefinition<T, IEscrowSwapWrapper<T, any>, IEscrowSwap<T, any, any>>, S extends number = number> extends ISwap<T, D, S> { /** * @internal */ _data?: T["Data"]; /** * Transaction IDs for the swap on the smart chain side * @internal */ _commitTxId?: string; /** * @internal */ _refundTxId?: string; /** * @internal */ _claimTxId?: string; /** * @internal */ protected _contract: T["Contract"]; protected constructor(wrapper: D["Wrapper"], obj: any); protected constructor(wrapper: D["Wrapper"], swapInit: IEscrowSwapInit<T["Data"]>); /** * Returns the swap escrow data for this swap * * @internal */ protected abstract getSwapData(): T["Data"]; /** * Returns the identification hash of the swap, usually claim data hash, but can be overriden, e.g. for * lightning swaps the identifier hash is used instead of claim data hash * * @internal */ protected getIdentifierHash(): Buffer; /** * Returns the identification hash of the swap, usually claim data hash, but can be overriden, e.g. for * lightning swaps the identifier hash is used instead of claim data hash * * @internal */ protected getIdentifierHashString(): string; /** * @inheritDoc * @internal */ _getEscrowHash(): string | null; /** * Returns the escrow hash - i.e. hash of the escrow data */ getEscrowHash(): string | null; /** * Returns the claim data hash specifying the claim path of the escrow - i.e. hash passed to the claim handler */ getClaimHash(): string; /** * @inheritDoc */ getId(): string; /** * Returns the smart chain transaction ID of the tx that initiated the escrow */ getEscrowInitTxId(): string | undefined; /** * Returns the smart chain transaction ID of the tx that claimed (settled) the escrow */ getEscrowClaimTxId(): string | undefined; /** * Returns the smart chain transaction ID of the tx that refunded the escrow */ getEscrowRefundTxId(): string | undefined; /** * Periodically checks the chain to see whether the swap is committed * * @param intervalSeconds How often to check (in seconds), default to 5s * @param abortSignal * @internal */ protected watchdogWaitTillCommited(intervalSeconds?: number, abortSignal?: AbortSignal): Promise<SwapCommitState | null>; /** * Periodically checks the chain to see whether the swap was finished (claimed or refunded) * * @param intervalSeconds How often to check (in seconds), default to 5s * @param abortSignal * @internal */ protected watchdogWaitTillResult(intervalSeconds?: number, abortSignal?: AbortSignal): Promise<SwapPaidState | SwapExpiredState | SwapNotCommitedState>; /** * Whether on-chain state should be fetched for this swap * @internal */ abstract _shouldFetchOnchainState(): boolean; /** * Whether expiration status of the swap quote should be checked for this swap * @internal */ abstract _shouldFetchExpiryStatus(): boolean; /** * @inheritDoc * * @param save Whether to save the new swap state or not * @param quoteDefinitelyExpired Optionally pass whether the quote is definitely expired from a batch pre-fetch, * fetched on-demand if not provided * @param commitStatus Optionally pass the quote on-chain state from a batch pre-fetch, fetched on-demand if * not provided * * @internal */ abstract _sync(save?: boolean, quoteDefinitelyExpired?: boolean, commitStatus?: SwapCommitState): Promise<boolean>; /** * Forcibly overrides current swap state from fetched on-chain swap state * * @param commitStatus Swap state fetched from the smart chain * * @internal */ abstract _forciblySetOnchainState(commitStatus: SwapCommitState): Promise<boolean>; /** * @inheritDoc */ serialize(): any; }