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Текущая директория: /opt/BitGoJS/modules/utxo-core/dist/src/descriptor/psbt
Просмотр файла: assertSatisfiable.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FINAL_SEQUENCE = void 0;
exports.getRequiredLocktime = getRequiredLocktime;
exports.assertSatisfiable = assertSatisfiable;
/**
* These are some helpers for testing satisfiability of descriptors in PSBTs.
*
* They are mostly a debugging aid - if an input cannot be satisified, the `finalizePsbt()` method will fail, but
* the error message is pretty vague.
*
* The methods here have the goal of catching certain cases earlier and with a better error message.
*
* The goal is not an exhaustive check, but to catch common mistakes.
*/
const wasm_miniscript_1 = require("@bitgo/wasm-miniscript");
exports.FINAL_SEQUENCE = 0xffffffff;
/**
* Get the required locktime for a descriptor.
* @param descriptor
*/
function getRequiredLocktime(descriptor) {
if (descriptor instanceof wasm_miniscript_1.Descriptor) {
return getRequiredLocktime(descriptor.node());
}
if (typeof descriptor !== 'object' || descriptor === null) {
return undefined;
}
if ('Wsh' in descriptor) {
return getRequiredLocktime(descriptor.Wsh);
}
if ('Sh' in descriptor) {
return getRequiredLocktime(descriptor.Sh);
}
if ('Ms' in descriptor) {
return getRequiredLocktime(descriptor.Ms);
}
if ('AndV' in descriptor) {
if (!Array.isArray(descriptor.AndV)) {
throw new Error('Expected an array');
}
if (descriptor.AndV.length !== 2) {
throw new Error('Expected exactly two elements');
}
const [a, b] = descriptor.AndV;
return getRequiredLocktime(a) ?? getRequiredLocktime(b);
}
if ('Drop' in descriptor) {
return getRequiredLocktime(descriptor.Drop);
}
if ('Verify' in descriptor) {
return getRequiredLocktime(descriptor.Verify);
}
if ('After' in descriptor && typeof descriptor.After === 'object' && descriptor.After !== null) {
if ('absLockTime' in descriptor.After && typeof descriptor.After.absLockTime === 'number') {
return descriptor.After.absLockTime;
}
}
return undefined;
}
function assertSatisfiable(psbt, inputIndex, descriptor) {
// If the descriptor requires a locktime, the input must have a non-final sequence number
const requiredLocktime = getRequiredLocktime(descriptor);
if (requiredLocktime !== undefined) {
const input = psbt.txInputs[inputIndex];
if (input.sequence === exports.FINAL_SEQUENCE) {
throw new Error(`Input ${inputIndex} has a non-final sequence number, but requires a timelock`);
}
if (psbt.locktime !== requiredLocktime) {
throw new Error(`psbt locktime (${psbt.locktime}) does not match required locktime (${requiredLocktime})`);
}
}
}
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Выполнить 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