@wuwei-labs/srsly/dist/types/utils/lookupTable.d.ts

TypeScript SDK for SRSLY

/**
 * @purpose Address Lookup Table utilities for SRSLY
 *
 * Provides helpers for fetching and using the SRSLY Address Lookup Table
 * to reduce transaction size for rental operations.
 */
import { type Address } from '@solana/kit';
/**
 * Address Lookup Table account data structure
 * Contains the list of addresses that can be referenced by index in transactions
 */
export interface AddressLookupTableData {
    /** The address of the lookup table account */
    address: Address;
    /** The addresses stored in the lookup table */
    addresses: Address[];
    /** Whether the lookup table is active (has addresses) */
    isActive: boolean;
}
/**
 * Fetch the SRSLY Address Lookup Table from chain
 *
 * The ALT contains static addresses used across all rental operations,
 * reducing transaction size by ~310 bytes when used with versioned transactions.
 *
 * @param rpcUrl - Optional RPC endpoint URL. If not provided, uses RPC from global config
 * @returns ALT data with addresses, or null if ALT not configured
 * @throws Error if fetch fails
 *
 * @example
 * ```typescript
 * // Fetch ALT using global config RPC
 * const alt = await fetchLookupTable();
 * if (alt) {
 *   console.log('ALT address:', alt.address);
 *   console.log('Contains', alt.addresses.length, 'addresses');
 * }
 * ```
 */
export declare function fetchLookupTable(rpcUrl?: string): Promise<AddressLookupTableData | null>;
/**
 * Get the ALT address from config without fetching full ALT data
 *
 * @param rpcUrl - Optional RPC endpoint URL
 * @returns ALT address, or null if not configured
 */
export declare function getLookupTableAddress(rpcUrl?: string): Promise<Address | null>;
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