@lodestar/utils/lib/format.d.ts

Utilities required across multiple lodestar packages

/**
 * Format bytes as `0x1234…1234`
 * 4 bytes can represent 4294967296 values, so the chance of collision is low
 */
export declare function prettyBytes(root: Uint8Array | string): string;
/**
 * Format bytes as `0x1234…`
 * Paired with block numbers or slots, it can still act as a decent identify-able format
 */
export declare function prettyBytesShort(root: Uint8Array | string): string;
/**
 * Truncate and format bytes as `0x123456789abc`
 * 6 bytes is sufficient to avoid collisions and it allows to easily look up
 * values on explorers like beaconcha.in while improving readability of logs
 */
export declare function truncBytes(root: Uint8Array | string): string;
/**
 * Format a bigint value as a decimal string
 */
export declare function formatBigDecimal(numerator: bigint, denominator: bigint, maxDecimalFactor: bigint): string;
/**
 * Format wei as ETH, with up to 5 decimals
 */
export declare function formatWeiToEth(wei: bigint): string;
/**
 * Format wei as ETH, with up to 5 decimals and append ' ETH'
 */
export declare function prettyWeiToEth(wei: bigint): string;
/**
 * Format milliseconds to time format HH:MM:SS.ms
 */
export declare function prettyMsToTime(timeMs: number): string;
/**
 * Remove 0x prefix from a string
 */
export declare function strip0xPrefix(hex: string): string;
export declare function groupSequentialIndices(indices: number[]): string[];
/**
 * Pretty print indices from an array of numbers.
 *
 * example:
 * ```ts
 * const indices = [1, 3, 109, 110, 111, 112, 113, 127];
 * console.log(prettyPrintIndices(indices));
 * // `1,3,110-113,127`
 * ```
 */
export declare function prettyPrintIndices(indices: number[]): string;
export declare function formatBytes(bytes: number): string;
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