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Текущая директория: /opt/BitGoJS/node_modules/bitcoinjs-lib/src/payments
Просмотр файла: bip341.d.ts
/// <reference types="node" />
import { Tapleaf, Taptree } from '../types';
export declare const LEAF_VERSION_TAPSCRIPT = 192;
export declare const MAX_TAPTREE_DEPTH = 128;
interface HashLeaf {
hash: Buffer;
}
interface HashBranch {
hash: Buffer;
left: HashTree;
right: HashTree;
}
interface TweakedPublicKey {
parity: number;
x: Buffer;
}
/**
* Binary tree representing leaf, branch, and root node hashes of a Taptree.
* Each node contains a hash, and potentially left and right branch hashes.
* This tree is used for 2 purposes: Providing the root hash for tweaking,
* and calculating merkle inclusion proofs when constructing a control block.
*/
export type HashTree = HashLeaf | HashBranch;
/**
* Calculates the root hash from a given control block and leaf hash.
* @param controlBlock - The control block buffer.
* @param leafHash - The leaf hash buffer.
* @returns The root hash buffer.
* @throws {TypeError} If the control block length is less than 33.
*/
export declare function rootHashFromPath(controlBlock: Buffer, leafHash: Buffer): Buffer;
/**
* Build a hash tree of merkle nodes from the scripts binary tree.
* @param scriptTree - the tree of scripts to pairwise hash.
*/
export declare function toHashTree(scriptTree: Taptree): HashTree;
/**
* Given a HashTree, finds the path from a particular hash to the root.
* @param node - the root of the tree
* @param hash - the hash to search for
* @returns - array of sibling hashes, from leaf (inclusive) to root
* (exclusive) needed to prove inclusion of the specified hash. undefined if no
* path is found
*/
export declare function findScriptPath(node: HashTree, hash: Buffer): Buffer[] | undefined;
export declare function tapleafHash(leaf: Tapleaf): Buffer;
export declare function tapTweakHash(pubKey: Buffer, h: Buffer | undefined): Buffer;
export declare function tweakKey(pubKey: Buffer, h: Buffer | undefined): TweakedPublicKey | null;
export {};
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