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Текущая директория: /opt/BitGoJS/modules/abstract-substrate/dist/src/lib
Просмотр файла: utils.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Utils = void 0;
const sdk_core_1 = require("@bitgo/sdk-core");
const keyring_1 = require("@polkadot/keyring");
const decode_1 = require("@polkadot/keyring/pair/decode");
const Extrinsic_1 = require("@polkadot/types/extrinsic/v4/Extrinsic");
const util_1 = require("@polkadot/util");
const util_crypto_1 = require("@polkadot/util-crypto");
const txwrapper_polkadot_1 = require("@substrate/txwrapper-polkadot");
const bs58_1 = __importDefault(require("bs58"));
const hi_base32_1 = __importDefault(require("hi-base32"));
const tweetnacl_1 = __importDefault(require("tweetnacl"));
const _1 = require(".");
class Utils {
/** @inheritdoc */
isValidAddress(address) {
try {
(0, keyring_1.encodeAddress)((0, util_1.isHex)(address) ? (0, util_1.hexToU8a)(address) : (0, keyring_1.decodeAddress)(address));
return true;
}
catch (error) {
return false;
}
}
/** @inheritdoc */
isValidBlockId(hash) {
return (0, util_1.isHex)(hash, 256);
}
/** @inheritdoc */
isValidPrivateKey(key) {
try {
const decodedPrv = (0, util_1.hexToU8a)(key);
return decodedPrv.length === tweetnacl_1.default.sign.secretKeyLength / 2;
}
catch (e) {
return false;
}
}
/** @inheritdoc */
isValidPublicKey(key) {
let pubKey = key;
// convert base58 pub key to hex format
// tss common pub is in base58 format and decodes to length of 32
if ((0, sdk_core_1.isBase58)(pubKey, 32)) {
const base58Decode = bs58_1.default.decode(pubKey);
pubKey = base58Decode.toString('hex');
}
return (0, sdk_core_1.isValidEd25519PublicKey)(pubKey);
}
/** @inheritdoc */
isValidSignature(signature) {
const signatureU8a = (0, util_1.u8aToU8a)(signature);
return [64, 65, 66].includes(signatureU8a.length);
}
/**
* Verifies the signature on a given message
*
* @param {string} signedMessage the signed message for the signature
* @param {string} signature the signature to verify
* @param {string} address the address of the signer
* @returns {boolean} whether the signature is valid or not
*/
verifySignature(signedMessage, signature, address) {
const publicKey = (0, keyring_1.decodeAddress)(address);
const hexPublicKey = (0, util_1.u8aToHex)(publicKey);
return (0, util_crypto_1.signatureVerify)(signedMessage, signature, hexPublicKey).isValid;
}
/** @inheritdoc */
isValidTransactionId(txId) {
return (0, util_1.isHex)(txId, 256);
}
/**
* decodeSeed decodes a substrate seed
*
* @param {string} seed - the seed to be validated.
* @returns {Seed} - the object Seed
*/
decodeSeed(seed) {
const decoded = hi_base32_1.default.decode.asBytes(seed);
return {
seed: Buffer.from(decoded),
};
}
/**
* keyPairFromSeed generates an object with secretKey and publicKey using the substrate sdk
* @param seed 32 bytes long seed
* @returns KeyPair
*/
keyPairFromSeed(seed) {
const keyring = new keyring_1.Keyring({ type: 'ed25519' });
const keyringPair = keyring.addFromSeed(seed);
const pairJson = keyringPair.toJson();
const decodedKeyPair = (0, decode_1.decodePair)('', (0, util_crypto_1.base64Decode)(pairJson.encoded), pairJson.encoding.type);
return new _1.KeyPair({ prv: Buffer.from(decodedKeyPair.secretKey).toString('hex') });
}
/**
* Signing function. Implement this on the OFFLINE signing device.
*
* @param {KeyringPair} pair - The signing pair.
* @param {string} signingPayload - Payload to sign.
* @param {UnsignedTransaction} transaction - raw transaction to sign
* @param {Object} options
* @param {HexString} options.metadataRpc - metadata that is needed for substrate to sign
* @param {TypeRegistry} options.registry - metadata that is needed for substrate to sign
*/
createSignedTx(pair, signingPayload, transaction, options) {
const { registry, metadataRpc } = options;
const { signature } = registry
.createType('ExtrinsicPayload', signingPayload, {
version: Extrinsic_1.EXTRINSIC_VERSION,
})
.sign(pair);
// Serialize a signed transaction.
return this.serializeSignedTransaction(transaction, signature, metadataRpc, registry);
}
/**
* Serializes the signed transaction
*
* @param transaction Transaction to serialize
* @param signature Signature of the message
* @param metadataRpc Network metadata
* @param registry Transaction registry
* @returns string Serialized transaction
*/
serializeSignedTransaction(transaction, signature, metadataRpc, registry) {
return txwrapper_polkadot_1.construct.signedTx(transaction, signature, {
metadataRpc,
registry,
});
}
/**
* Decodes the substrate address from the given format
*
* @param {string} address
* @param {number} [ss58Format]
* @returns {string}
*/
decodeSubstrateAddress(address, ss58Format) {
const keypair = new _1.KeyPair({ pub: Buffer.from((0, keyring_1.decodeAddress)(address, undefined, ss58Format)).toString('hex') });
return keypair.getAddress(ss58Format);
}
/**
* Decodes the substrate address from the given format
*
* @param {string} address
* @param {number} [ss58Format]
* @returns {string}
*/
encodeSubstrateAddress(address, ss58Format) {
return (0, keyring_1.encodeAddress)(address, ss58Format);
}
/**
* Retrieves the txHash of a signed txHex
*
* @param txHex signed transaction hex
* @returns {string}
*/
getTxHash(txHex) {
return txwrapper_polkadot_1.construct.txHash(txHex);
}
isSigningPayload(payload) {
return payload.blockHash !== undefined;
}
isTransfer(arg) {
return arg.dest?.id !== undefined && arg.value !== undefined;
}
isTransferAll(arg) {
return arg.dest?.id !== undefined && arg.keepAlive !== undefined;
}
isAddStake(arg) {
return (arg.amountStaked !== undefined &&
arg.hotkey !== undefined &&
arg.netuid !== undefined);
}
isRemoveStake(arg) {
return (arg.amountUnstaked !== undefined &&
arg.hotkey !== undefined &&
arg.netuid !== undefined);
}
/**
* extracts and returns the signature in hex format given a raw signed transaction
*
* @param {string} rawTx signed raw transaction
* @param options registry substrate registry used to retrieve the signature
*/
recoverSignatureFromRawTx(rawTx, options) {
const { registry } = options;
const methodCall = registry.createType('Extrinsic', rawTx, {
isSigned: true,
});
let signature = (0, util_1.u8aToHex)(methodCall.signature);
// remove 0x from the signature since this is how it's returned from TSS signing
if (signature.startsWith('0x')) {
signature = signature.substr(2);
}
return signature;
}
/**
* Decodes the dot address from the given format
*
* @param {string} address
* @param {number} [ss58Format]
* @returns {KeyPair}
*/
decodeSubstrateAddressToKeyPair(address, ss58Format) {
return new _1.KeyPair({ pub: Buffer.from((0, keyring_1.decodeAddress)(address, undefined, ss58Format)).toString('hex') });
}
/**
* Checks whether the given input is a hex string with with 0 value
* used to check whether a given transaction is immortal or mortal
* @param hexValue
*/
isZeroHex(hexValue) {
return hexValue === '0x00';
}
getMaterial(networkType) {
throw new Error('Method not implemented.');
}
}
exports.Utils = Utils;
const utils = new Utils();
exports.default = utils;
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{ BaseUtils, isBase58, isValidEd25519PublicKey, Seed } from '@bitgo/sdk-core';\nimport { NetworkType } from '@bitgo/statics';\nimport { decodeAddress, encodeAddress, Keyring } from '@polkadot/keyring';\nimport { decodePair } from '@polkadot/keyring/pair/decode';\nimport { KeyringPair } from '@polkadot/keyring/types';\nimport { EXTRINSIC_VERSION } from '@polkadot/types/extrinsic/v4/Extrinsic';\nimport { hexToU8a, isHex, u8aToHex, u8aToU8a } from '@polkadot/util';\nimport { base64Decode, signatureVerify } from '@polkadot/util-crypto';\nimport { UnsignedTransaction } from '@substrate/txwrapper-core';\nimport { DecodedSignedTx, DecodedSigningPayload, TypeRegistry } from '@substrate/txwrapper-core/lib/types';\nimport { construct } from '@substrate/txwrapper-polkadot';\nimport bs58 from 'bs58';\nimport base32 from 'hi-base32';\nimport nacl from 'tweetnacl';\nimport { KeyPair } from '.';\nimport { HexString, Material, TransferAllArgs, TransferArgs, TxMethod, AddStakeArgs, RemoveStakeArgs } from './iface';\n\nexport class Utils implements BaseUtils {\n  /** @inheritdoc */\n  isValidAddress(address: string): boolean {\n    try {\n      encodeAddress(isHex(address) ? hexToU8a(address) : decodeAddress(address));\n      return true;\n    } catch (error) {\n      return false;\n    }\n  }\n\n  /** @inheritdoc */\n  isValidBlockId(hash: string): boolean {\n    return isHex(hash, 256);\n  }\n\n  /** @inheritdoc */\n  isValidPrivateKey(key: string): boolean {\n    try {\n      const decodedPrv = hexToU8a(key);\n      return decodedPrv.length === nacl.sign.secretKeyLength / 2;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  /** @inheritdoc */\n  isValidPublicKey(key: string): boolean {\n    let pubKey = key;\n\n    // convert base58 pub key to hex format\n    // tss common pub is in base58 format and decodes to length of 32\n    if (isBase58(pubKey, 32)) {\n      const base58Decode = bs58.decode(pubKey);\n      pubKey = base58Decode.toString('hex');\n    }\n\n    return isValidEd25519PublicKey(pubKey);\n  }\n\n  /** @inheritdoc */\n  isValidSignature(signature: string): boolean {\n    const signatureU8a = u8aToU8a(signature);\n    return [64, 65, 66].includes(signatureU8a.length);\n  }\n\n  /**\n   * Verifies the signature on a given message\n   *\n   * @param {string} signedMessage the signed message for the signature\n   * @param {string} signature the signature to verify\n   * @param {string} address the address of the signer\n   * @returns {boolean} whether the signature is valid or not\n   */\n  verifySignature(signedMessage: string, signature: string, address: string): boolean {\n    const publicKey = decodeAddress(address);\n    const hexPublicKey = u8aToHex(publicKey);\n\n    return signatureVerify(signedMessage, signature, hexPublicKey).isValid;\n  }\n\n  /** @inheritdoc */\n  isValidTransactionId(txId: string): boolean {\n    return isHex(txId, 256);\n  }\n\n  /**\n   * decodeSeed decodes a substrate seed\n   *\n   * @param {string} seed - the seed to be validated.\n   * @returns {Seed} - the object Seed\n   */\n  decodeSeed(seed: string): Seed {\n    const decoded = base32.decode.asBytes(seed);\n    return {\n      seed: Buffer.from(decoded),\n    };\n  }\n\n  /**\n   * keyPairFromSeed generates an object with secretKey and publicKey using the substrate sdk\n   * @param seed 32 bytes long seed\n   * @returns KeyPair\n   */\n  keyPairFromSeed(seed: Uint8Array): KeyPair {\n    const keyring = new Keyring({ type: 'ed25519' });\n    const keyringPair = keyring.addFromSeed(seed);\n    const pairJson = keyringPair.toJson();\n    const decodedKeyPair = decodePair('', base64Decode(pairJson.encoded), pairJson.encoding.type);\n    return new KeyPair({ prv: Buffer.from(decodedKeyPair.secretKey).toString('hex') });\n  }\n\n  /**\n   * Signing function. Implement this on the OFFLINE signing device.\n   *\n   * @param {KeyringPair} pair - The signing pair.\n   * @param {string} signingPayload - Payload to sign.\n   * @param {UnsignedTransaction} transaction - raw transaction to sign\n   * @param {Object} options\n   * @param {HexString} options.metadataRpc - metadata that is needed for substrate to sign\n   * @param {TypeRegistry} options.registry - metadata that is needed for substrate to sign\n   */\n  createSignedTx(\n    pair: KeyringPair,\n    signingPayload: string,\n    transaction: UnsignedTransaction,\n    options: { metadataRpc: HexString; registry: TypeRegistry }\n  ): string {\n    const { registry, metadataRpc } = options;\n    const { signature } = registry\n      .createType('ExtrinsicPayload', signingPayload, {\n        version: EXTRINSIC_VERSION,\n      })\n      .sign(pair);\n\n    // Serialize a signed transaction.\n    return this.serializeSignedTransaction(transaction, signature, metadataRpc, registry);\n  }\n\n  /**\n   * Serializes the signed transaction\n   *\n   * @param transaction Transaction to serialize\n   * @param signature Signature of the message\n   * @param metadataRpc Network metadata\n   * @param registry Transaction registry\n   * @returns string Serialized transaction\n   */\n  serializeSignedTransaction(transaction, signature, metadataRpc: `0x${string}`, registry): string {\n    return construct.signedTx(transaction, signature, {\n      metadataRpc,\n      registry,\n    });\n  }\n\n  /**\n   * Decodes the substrate address from the given format\n   *\n   * @param {string} address\n   * @param {number} [ss58Format]\n   * @returns {string}\n   */\n  decodeSubstrateAddress(address: string, ss58Format: number): string {\n    const keypair = new KeyPair({ pub: Buffer.from(decodeAddress(address, undefined, ss58Format)).toString('hex') });\n    return keypair.getAddress(ss58Format);\n  }\n\n  /**\n   * Decodes the substrate address from the given format\n   *\n   * @param {string} address\n   * @param {number} [ss58Format]\n   * @returns {string}\n   */\n  encodeSubstrateAddress(address: string, ss58Format?: number): string {\n    return encodeAddress(address, ss58Format);\n  }\n\n  /**\n   * Retrieves the txHash of a signed txHex\n   *\n   * @param txHex signed transaction hex\n   * @returns {string}\n   */\n  getTxHash(txHex: string): string {\n    return construct.txHash(txHex);\n  }\n\n  isSigningPayload(payload: DecodedSigningPayload | DecodedSignedTx): payload is DecodedSigningPayload {\n    return (payload as DecodedSigningPayload).blockHash !== undefined;\n  }\n\n  isTransfer(arg: TxMethod['args']): arg is TransferArgs {\n    return (arg as TransferArgs).dest?.id !== undefined && (arg as TransferArgs).value !== undefined;\n  }\n\n  isTransferAll(arg: TxMethod['args']): arg is TransferAllArgs {\n    return (arg as TransferAllArgs).dest?.id !== undefined && (arg as TransferAllArgs).keepAlive !== undefined;\n  }\n\n  isAddStake(arg: TxMethod['args']): arg is AddStakeArgs {\n    return (\n      (arg as AddStakeArgs).amountStaked !== undefined &&\n      (arg as AddStakeArgs).hotkey !== undefined &&\n      (arg as AddStakeArgs).netuid !== undefined\n    );\n  }\n\n  isRemoveStake(arg: TxMethod['args']): arg is RemoveStakeArgs {\n    return (\n      (arg as RemoveStakeArgs).amountUnstaked !== undefined &&\n      (arg as RemoveStakeArgs).hotkey !== undefined &&\n      (arg as RemoveStakeArgs).netuid !== undefined\n    );\n  }\n\n  /**\n   * extracts and returns the signature in hex format given a raw signed transaction\n   *\n   * @param {string} rawTx signed raw transaction\n   * @param options registry substrate registry used to retrieve the signature\n   */\n  recoverSignatureFromRawTx(rawTx: string, options: { registry: TypeRegistry }): string {\n    const { registry } = options;\n    const methodCall = registry.createType('Extrinsic', rawTx, {\n      isSigned: true,\n    });\n    let signature = u8aToHex(methodCall.signature) as string;\n\n    // remove 0x from the signature since this is how it's returned from TSS signing\n    if (signature.startsWith('0x')) {\n      signature = signature.substr(2);\n    }\n    return signature;\n  }\n\n  /**\n   * Decodes the dot address from the given format\n   *\n   * @param {string} address\n   * @param {number} [ss58Format]\n   * @returns {KeyPair}\n   */\n  decodeSubstrateAddressToKeyPair(address: string, ss58Format?: number): KeyPair {\n    return new KeyPair({ pub: Buffer.from(decodeAddress(address, undefined, ss58Format)).toString('hex') });\n  }\n\n  /**\n   * Checks whether the given input is a hex string with with 0 value\n   * used to check whether a given transaction is immortal or mortal\n   * @param hexValue\n   */\n  isZeroHex(hexValue: string): boolean {\n    return hexValue === '0x00';\n  }\n\n  getMaterial(networkType: NetworkType): Material {\n    throw new Error('Method not implemented.');\n  }\n}\n\nconst utils = new Utils();\n\nexport default utils;\n"]}Выполнить команду
Для локальной разработки. Не используйте в интернете!