@bitgo-beta/utxo-lib/dist/src/bitgo/UtxoPsbt.d.ts

Client-side Bitcoin JavaScript library

/// <reference types="node" />
import { UtxoTransaction } from './UtxoTransaction';
import { HDSigner, Psbt, TxOutput } from '../';
import { Psbt as PsbtBase } from 'bip174';
import { Network } from '..';
export interface HDTaprootSigner extends HDSigner {
    /**
     * The path string must match /^m(\/\d+'?)+$/
     * ex. m/44'/0'/0'/1/23 levels with ' must be hard derivations
     */
    derivePath(path: string): HDTaprootSigner;
    /**
     * Input hash (the "message digest") for the signature algorithm
     * Return a 64 byte signature (32 byte r and 32 byte s in that order)
     */
    signSchnorr(hash: Buffer): Buffer;
}
export interface SchnorrSigner {
    publicKey: Buffer;
    signSchnorr(hash: Buffer): Buffer;
}
export interface TaprootSigner {
    leafHashes: Buffer[];
    signer: SchnorrSigner;
}
export interface PsbtOpts {
    network: Network;
}
export declare class UtxoPsbt<Tx extends UtxoTransaction<bigint>> extends Psbt {
    protected static transactionFromBuffer(buffer: Buffer, network: Network): UtxoTransaction<bigint>;
    static createPsbt(opts: PsbtOpts, data: PsbtBase): UtxoPsbt<UtxoTransaction<bigint>>;
    static fromBuffer(buffer: Buffer, opts: PsbtOpts): UtxoPsbt<UtxoTransaction<bigint>>;
    static fromTransactionComplete(transaction: UtxoTransaction<bigint>, prevOutputs: TxOutput<bigint>[], fetchTransactions: (txids: string[]) => Promise<Record<string, Buffer>>): Promise<UtxoPsbt<UtxoTransaction<bigint>>>;
    static fromTransaction(transaction: UtxoTransaction<bigint>, prevOutputs: TxOutput<bigint>[]): UtxoPsbt<UtxoTransaction<bigint>>;
    protected static newTransaction(network: Network): UtxoTransaction<bigint>;
    get tx(): Tx;
    protected checkForSignatures(propName?: string): void;
    /**
     * Mostly copied from bitcoinjs-lib/ts_src/psbt.ts
     */
    finalizeAllInputs(): this;
    finalizeTaprootInput(inputIndex: number): this;
    /**
     * Mostly copied from bitcoinjs-lib/ts_src/psbt.ts
     *
     * Unlike the function it overrides, this does not take a validator. In BitGo
     * context, we know how we want to validate so we just hard code the right
     * validator.
     */
    validateSignaturesOfAllInputs(): boolean;
    validateTaprootSignaturesOfInput(inputIndex: number): boolean;
    /**
     * Mostly copied from bitcoinjs-lib/ts_src/psbt.ts
     */
    signAllInputsHD(hdKeyPair: HDTaprootSigner, sighashTypes?: number[]): this;
    /**
     * Mostly copied from bitcoinjs-lib/ts_src/psbt.ts:signInputHD
     */
    signTaprootInputHD(inputIndex: number, hdKeyPair: HDTaprootSigner, sighashTypes?: number[]): this;
    signTaprootInput(inputIndex: number, signer: SchnorrSigner, leafHashes: Buffer[], sighashTypes?: number[]): this;
    private getTaprootHashForSig;
}
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