@chainsafe/eth2.0-utils/lib/merkleTree/merkleTree.d.ts

Utilities required across multiple lodestar packages

/**
 * @module util/merkleTree
 */
/// <reference types="node" />
import { MerkleTree, number64, bytes32, Root } from "@chainsafe/eth2.0-types";
import { IProgressiveMerkleTree } from "./interface";
export interface IMerkleTreeSerialization {
    serializeTree(tree: MerkleTree): Buffer;
    serializeLength(length: number): Buffer;
    deserializeTree(tree: Buffer): MerkleTree;
}
export declare class ProgressiveMerkleTree implements IProgressiveMerkleTree {
    private readonly _depth;
    private readonly _zerohashes;
    private readonly serialization;
    private _tree;
    private _dirty;
    constructor(depth: number, tree: bytes32[][], serialization: IMerkleTreeSerialization);
    static deserialize(data: Buffer, serialization: IMerkleTreeSerialization): ProgressiveMerkleTree;
    static empty(depth: number, serialization: IMerkleTreeSerialization): ProgressiveMerkleTree;
    depth(): number;
    push(item: bytes32): void;
    add(index: number64, item: bytes32): void;
    getProof(index: number): bytes32[];
    root(): Root;
    toObject(): MerkleTree;
    private calculateBranchesIfNecessary;
    private calculateBranches;
    private generateZeroHashes;
}