@bsv/overlay-express/dist/types/src/ChaintracksProvider.d.ts

BSV Blockchain Overlay Express

import { ChainTracker } from '@bsv/sdk';
export interface ChaintracksProviderConfig {
    apiPrefix?: string;
    fetch?: typeof fetch;
}
export interface ChaintracksHeader {
    height: number;
    hash: string;
    merkleRoot: string;
}
/**
 * Minimal go-chaintracks HTTP client for Overlay Express.
 *
 * It intentionally implements the SDK ChainTracker surface plus header lookup,
 * which is enough for proof validation, BASM headers, and reorg stream URL
 * construction without depending on wallet-toolbox client export timing.
 */
export declare class ChaintracksProvider implements ChainTracker {
    private readonly baseUrl;
    private readonly fetcher;
    constructor(url: string, config?: ChaintracksProviderConfig);
    currentHeight(): Promise<number>;
    isValidRootForHeight(root: string, height: number): Promise<boolean>;
    findHeaderForHeight(height: number): Promise<ChaintracksHeader | undefined>;
    reorgStreamUrl(): string;
    private getJson;
    private getJsonOrUndefined;
}
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