@cheqd/sdk/build/types/querier.d.ts

A TypeScript SDK built with CosmJS to interact with the cheqd network ledger

import { QueryClient } from '@cosmjs/stargate';
import { CometClient, ConsensusParams } from '@cosmjs/tendermint-rpc';
import { QueryExtensionSetup, CheqdExtensions } from './types.js';
/**
 * Extended QueryClient specifically designed for the Cheqd blockchain network.
 * Provides enhanced querying capabilities with support for custom extensions
 * and consensus parameter retrieval.
 */
export declare class CheqdQuerier extends QueryClient {
    /**
     * Constructs a new CheqdQuerier instance with the provided Comet client.
     *
     * @param cometClient - Comet client for blockchain communication
     */
    constructor(cometClient: CometClient);
    /**
     * Retrieves the consensus parameters from the blockchain network.
     * This method creates a temporary connection to fetch the latest block results
     * and extract consensus update information.
     *
     * @param url - RPC URL of the blockchain node
     * @returns Promise resolving to consensus parameters or undefined if not available
     */
    static getConsensusParameters(url: string): Promise<ConsensusParams | undefined>;
    /**
     * Creates a new CheqdQuerier instance by establishing a connection to the specified RPC URL.
     * This is the primary method for creating a querier instance for blockchain communication.
     *
     * @param url - RPC URL of the blockchain node to connect to
     * @returns Promise resolving to a connected CheqdQuerier instance
     */
    static connect(url: string): Promise<CheqdQuerier>;
    /**
     * Creates a CheqdQuerier instance from an existing Comet client.
     * Useful when you already have an established client connection.
     *
     * @param client - Existing Comet client
     * @returns Promise resolving to a CheqdQuerier instance using the provided client
     */
    static fromClient(client: CometClient): Promise<CheqdQuerier>;
    /**
     * Creates a CheqdQuerier instance with a single query extension.
     * Extensions provide specialized query capabilities for specific blockchain modules.
     *
     * @param url - RPC URL of the blockchain node to connect to
     * @param extension - Query extension setup to add specialized query functionality
     * @returns Promise resolving to a CheqdQuerier instance with the specified extension
     */
    static connectWithExtension(url: string, extension: QueryExtensionSetup<CheqdExtensions>): Promise<CheqdQuerier & CheqdExtensions>;
    /**
     * Creates a CheqdQuerier instance with multiple query extensions.
     * This method supports adding multiple specialized query capabilities for different
     * blockchain modules in a single operation. For single extensions, it delegates
     * to connectWithExtension for efficiency.
     *
     * @param url - RPC URL of the blockchain node to connect to
     * @param extensions - Variable number of query extension setups to add functionality
     * @returns Promise resolving to a CheqdQuerier instance with all specified extensions
     */
    static connectWithExtensions(url: string, ...extensions: QueryExtensionSetup<CheqdExtensions>[]): Promise<CheqdQuerier & CheqdExtensions>;
}
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