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Просмотр файла: utils.js
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Utils = void 0;
const avalanchejs_1 = require("@bitgo-forks/avalanchejs");
const sdk_core_1 = require("@bitgo/sdk-core");
const avalanche_1 = require("avalanche");
const platformvm_1 = require("avalanche/dist/apis/platformvm");
const keychain_1 = require("avalanche/dist/apis/platformvm/keychain");
const common_1 = require("avalanche/dist/common");
const utils_1 = require("avalanche/dist/utils");
const createHash = __importStar(require("create-hash"));
const secp256k1_1 = require("@noble/curves/secp256k1");
const iface_1 = require("./iface");
class Utils {
constructor() {
this.binTools = avalanche_1.BinTools.getInstance();
this.cb58Decode = this.binTools.cb58Decode;
this.cb58Encode = this.binTools.cb58Encode;
this.stringToBuffer = this.binTools.stringToBuffer;
this.bufferToString = this.binTools.bufferToString;
this.NodeIDStringToBuffer = utils_1.NodeIDStringToBuffer;
this.addressToString = this.binTools.addressToString;
this.parseAddress = (pub) => this.binTools.stringToAddress(pub);
}
includeIn(walletAddresses, otxoOutputAddresses) {
return walletAddresses.map((a) => otxoOutputAddresses.includes(a)).reduce((a, b) => a && b, true);
}
/**
* Checks if it is a valid address no illegal characters
*
* @param {string} address - address to be validated
* @returns {boolean} - the validation result
*/
/** @inheritdoc */
isValidAddress(address) {
const addressArr = Array.isArray(address) ? address : address.split('~');
for (const address of addressArr) {
if (!this.isValidAddressRegex(address)) {
return false;
}
}
return true;
}
isValidAddressRegex(address) {
return /^(^P||NodeID)-[a-zA-Z0-9]+$/.test(address);
}
/**
* Checks if it is a valid blockId with length 66 including 0x
*
* @param {string} hash - blockId to be validated
* @returns {boolean} - the validation result
*/
/** @inheritdoc */
isValidBlockId(hash) {
return this.binTools.isCB58(hash) && this.binTools.b58ToBuffer(hash).length === 36;
}
/**
* Checks if the string is a valid protocol public key or
* extended public key.
*
* @param {string} pub - the public key to be validated
* @returns {boolean} - the validation result
*/
isValidPublicKey(pub) {
if ((0, sdk_core_1.isValidXpub)(pub))
return true;
let pubBuf;
if (pub.length === 50) {
try {
pubBuf = utils.cb58Decode(pub);
}
catch {
return false;
}
}
else {
if (pub.length !== 66 && pub.length !== 130)
return false;
const firstByte = pub.slice(0, 2);
// uncompressed public key
if (pub.length === 130 && firstByte !== '04')
return false;
// compressed public key
if (pub.length === 66 && firstByte !== '02' && firstByte !== '03')
return false;
if (!this.allHexChars(pub))
return false;
pubBuf = avalanche_1.Buffer.from(pub, 'hex');
}
// validate the public key
try {
secp256k1_1.secp256k1.ProjectivePoint.fromHex(pubBuf.toString('hex'));
return true;
}
catch (e) {
return false;
}
}
/**
* Returns whether or not the string is a valid protocol private key, or extended
* private key.
*
* The protocol key format is described in the @stacks/transactions npm package, in the
* createStacksPrivateKey function:
* https://github.com/blockstack/stacks.js/blob/master/packages/transactions/src/keys.ts#L125
*
* @param {string} prv - the private key (or extended private key) to be validated
* @returns {boolean} - the validation result
*/
isValidPrivateKey(prv) {
if ((0, sdk_core_1.isValidXprv)(prv))
return true;
if (prv.length !== 64 && prv.length !== 66)
return false;
if (prv.length === 66 && prv.slice(64) !== '01')
return false;
return this.allHexChars(prv);
}
/**
* Returns whether or not the string is a composed of hex chars only
*
* @param {string} maybe - the string to be validated
* @returns {boolean} - the validation result
*/
allHexChars(maybe) {
return /^(0x){0,1}([0-9a-f])+$/i.test(maybe);
}
/** @inheritdoc */
isValidSignature(signature) {
throw new sdk_core_1.NotImplementedError('isValidSignature not implemented');
}
/** @inheritdoc */
isValidTransactionId(txId) {
throw new sdk_core_1.NotImplementedError('isValidTransactionId not implemented');
}
getCredentials(tx) {
return tx.getIns().map((ins) => (0, platformvm_1.SelectCredentialClass)(ins.getInput().getCredentialID()));
}
/**
* Avaxp wrapper to create signature and return it for credentials using Avalanche's buffer
* @param network
* @param message
* @param prv
* @return signature
*/
createSignatureAvaxBuffer(network, message, prv) {
const ky = new keychain_1.KeyPair(network.hrp, network.networkID.toString());
ky.importKey(prv);
return ky.sign(message);
}
/**
* Avaxp wrapper to create signature and return it for credentials
* @param network
* @param message
* @param prv
* @return signature
*/
createSignature(network, message, prv) {
return Buffer.from(this.createSignatureAvaxBuffer(network, avalanche_1.Buffer.from(message), avalanche_1.Buffer.from(prv)));
}
/**
* Avaxp wrapper to verify signature using Avalanche's buffer
* @param network
* @param message
* @param signature
* @param prv
* @return true if it's verify successful
*/
verifySignatureAvaxBuffer(network, message, signature, prv) {
const ky = new keychain_1.KeyPair(network.hrp, network.networkID.toString());
ky.importKey(prv);
return ky.verify(message, signature);
}
/**
* Avaxp wrapper to verify signature
* @param network
* @param message
* @param signature
* @param prv
* @return true if it's verify successful
*/
verifySignature(network, message, signature, prv) {
return this.verifySignatureAvaxBuffer(network, avalanche_1.Buffer.from(message), avalanche_1.Buffer.from(signature), avalanche_1.Buffer.from(prv));
}
createSig(sigHex) {
const sig = new common_1.Signature();
sig.fromBuffer(avalanche_1.Buffer.from(sigHex.padStart(130, '0'), 'hex'));
return sig;
}
createNewSig(sigHex) {
const buffer = avalanche_1.Buffer.from(sigHex.padStart(130, '0'), 'hex');
return new avalanchejs_1.Signature(buffer);
}
/**
* Avaxp wrapper to recovery signature using Avalanche's buffer
* @param network
* @param message
* @param signature
* @return
*/
recoverySignatureAvaxBuffer(network, message, signature) {
const ky = new keychain_1.KeyPair(network.hrp, network.networkID.toString());
return ky.recover(message, signature);
}
/**
* Avaxp wrapper to verify signature
* @param network
* @param message
* @param signature
* @return true if it's verify successful
*/
recoverySignature(network, message, signature) {
return Buffer.from(this.recoverySignatureAvaxBuffer(network, avalanche_1.Buffer.from(message), avalanche_1.Buffer.from(signature)));
}
sha256(buf) {
return createHash.default('sha256').update(buf).digest();
}
/**
* Check the raw transaction has a valid format in the blockchain context, throw otherwise.
* It's to reuse in TransactionBuilder and TransactionBuilderFactory
*
* @param rawTransaction Transaction as hex string
*/
validateRawTransaction(rawTransaction) {
if (!rawTransaction) {
throw new sdk_core_1.InvalidTransactionError('Raw transaction is empty');
}
if (!utils.allHexChars(rawTransaction)) {
throw new sdk_core_1.ParseTransactionError('Raw transaction is not hex string');
}
}
/**
* Check if tx is for the blockchainId
*
* @param {DeprecatedTx} tx
* @param {string} blockchainId
* @returns true if tx is for blockchainId
*/
isTransactionOf(tx, blockchainId) {
return utils.cb58Encode(tx.getUnsignedTx().getTransaction().getBlockchainID()) === blockchainId;
}
/**
* Check if Output is from PVM.
* Output could be EVM or PVM output.
* @param {DeprecatedOutput} output
* @returns {boolean} output is DeprecatedTransferableOutput
*/
deprecatedIsTransferableOutput(output) {
return 'getOutput' in output;
}
/**
* Check if Output is from PVM.
* Output could be EVM or PVM output.
* @param {Output} output
* @returns {boolean} output is TransferableOutput
*/
isTransferableOutput(output) {
return output?._type === avalanchejs_1.TypeSymbols.TransferableOutput;
}
/**
* Return a mapper function to that network address representation.
* @param network required to stringify addresses
* @return mapper function
*/
deprecatedMapOutputToEntry(network) {
return (output) => {
if (this.deprecatedIsTransferableOutput(output)) {
const amountOutput = output.getOutput();
const address = amountOutput
.getAddresses()
.map((a) => this.addressToString(network.hrp, network.alias, a))
.sort()
.join(iface_1.ADDRESS_SEPARATOR);
return {
value: amountOutput.getAmount().toString(),
address,
};
}
else {
const evmOutput = output;
return {
// it should be evmOuput.getAmount(), but it returns a 0.
value: new avalanche_1.BN(evmOutput.amount).toString(),
// C-Chain address.
address: '0x' + evmOutput.getAddressString(),
};
}
};
}
/**
* Return a mapper function to that network address representation.
* @param network required to stringify addresses
* @return mapper function
*/
mapOutputToEntry(network) {
return (output) => {
if (this.isTransferableOutput(output)) {
const outputAmount = output.amount();
const address = output.output
.getOwners()
.map((a) => this.addressToString(network.hrp, network.alias, avalanche_1.Buffer.from(a)))
.sort()
.join(iface_1.ADDRESS_SEPARATOR);
return {
value: outputAmount.toString(),
address,
};
}
else {
throw new Error('Invalid output type');
}
};
}
/**
* remove hex prefix (0x)
* @param hex string
* @returns hex without 0x
*/
removeHexPrefix(hex) {
if (hex.startsWith('0x')) {
return hex.substring(2);
}
return hex;
}
/**
* Outputidx convert from number (as string) to buffer.
* @param {string} outputidx number
* @return {BufferAvax} buffer of size 4 with that number value
*/
outputidxNumberToBuffer(outputidx) {
return avalanche_1.Buffer.from(Number(outputidx).toString(16).padStart(8, '0'), 'hex');
}
/**
* Outputidx buffer to number (as string)
* @param {BufferAvax} outputidx
* @return {string} outputidx number
*/
outputidxBufferToNumber(outputidx) {
return parseInt(outputidx.toString('hex'), 16).toString();
}
}
exports.Utils = Utils;
const utils = new Utils();
exports.default = utils;
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{ Signature as AvaxSignature, TransferableOutput, TransferOutput, TypeSymbols } from '@bitgo-forks/avalanchejs';\nimport {\n  BaseUtils,\n  Entry,\n  InvalidTransactionError,\n  isValidXprv,\n  isValidXpub,\n  NotImplementedError,\n  ParseTransactionError,\n} from '@bitgo/sdk-core';\nimport { AvalancheNetwork } from '@bitgo/statics';\nimport { BinTools, BN, Buffer as BufferAvax } from 'avalanche';\nimport { EVMOutput } from 'avalanche/dist/apis/evm';\nimport {\n  AmountOutput,\n  BaseTx,\n  TransferableOutput as DeprecatedTransferableOutput,\n  SelectCredentialClass,\n} from 'avalanche/dist/apis/platformvm';\nimport { KeyPair as KeyPairAvax } from 'avalanche/dist/apis/platformvm/keychain';\nimport { Signature } from 'avalanche/dist/common';\nimport { Credential } from 'avalanche/dist/common/credentials';\nimport { NodeIDStringToBuffer } from 'avalanche/dist/utils';\nimport * as createHash from 'create-hash';\nimport { secp256k1 } from '@noble/curves/secp256k1';\nimport { ADDRESS_SEPARATOR, DeprecatedOutput, DeprecatedTx, Output } from './iface';\n\nexport class Utils implements BaseUtils {\n  private binTools = BinTools.getInstance();\n  public cb58Decode = this.binTools.cb58Decode;\n  public cb58Encode = this.binTools.cb58Encode;\n  public stringToBuffer = this.binTools.stringToBuffer;\n  public bufferToString = this.binTools.bufferToString;\n  public NodeIDStringToBuffer = NodeIDStringToBuffer;\n  public addressToString = this.binTools.addressToString;\n\n  public includeIn(walletAddresses: string[], otxoOutputAddresses: string[]): boolean {\n    return walletAddresses.map((a) => otxoOutputAddresses.includes(a)).reduce((a, b) => a && b, true);\n  }\n\n  /**\n   * Checks if it is a valid address no illegal characters\n   *\n   * @param {string} address - address to be validated\n   * @returns {boolean} - the validation result\n   */\n  /** @inheritdoc */\n  isValidAddress(address: string | string[]): boolean {\n    const addressArr: string[] = Array.isArray(address) ? address : address.split('~');\n\n    for (const address of addressArr) {\n      if (!this.isValidAddressRegex(address)) {\n        return false;\n      }\n    }\n\n    return true;\n  }\n\n  private isValidAddressRegex(address: string): boolean {\n    return /^(^P||NodeID)-[a-zA-Z0-9]+$/.test(address);\n  }\n\n  /**\n   * Checks if it is a valid blockId with length 66 including 0x\n   *\n   * @param {string} hash - blockId to be validated\n   * @returns {boolean} - the validation result\n   */\n  /** @inheritdoc */\n  isValidBlockId(hash: string): boolean {\n    return this.binTools.isCB58(hash) && this.binTools.b58ToBuffer(hash).length === 36;\n  }\n\n  /**\n   * Checks if the string is a valid protocol public key or\n   * extended public key.\n   *\n   * @param {string} pub - the  public key to be validated\n   * @returns {boolean} - the validation result\n   */\n  isValidPublicKey(pub: string): boolean {\n    if (isValidXpub(pub)) return true;\n\n    let pubBuf;\n    if (pub.length === 50) {\n      try {\n        pubBuf = utils.cb58Decode(pub);\n      } catch {\n        return false;\n      }\n    } else {\n      if (pub.length !== 66 && pub.length !== 130) return false;\n\n      const firstByte = pub.slice(0, 2);\n\n      // uncompressed public key\n      if (pub.length === 130 && firstByte !== '04') return false;\n\n      // compressed public key\n      if (pub.length === 66 && firstByte !== '02' && firstByte !== '03') return false;\n\n      if (!this.allHexChars(pub)) return false;\n      pubBuf = BufferAvax.from(pub, 'hex');\n    }\n    // validate the public key\n    try {\n      secp256k1.ProjectivePoint.fromHex(pubBuf.toString('hex'));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  public parseAddress = (pub: string): BufferAvax => this.binTools.stringToAddress(pub);\n\n  /**\n   * Returns whether or not the string is a valid protocol private key, or extended\n   * private key.\n   *\n   * The protocol key format is described in the @stacks/transactions npm package, in the\n   * createStacksPrivateKey function:\n   * https://github.com/blockstack/stacks.js/blob/master/packages/transactions/src/keys.ts#L125\n   *\n   * @param {string} prv - the private key (or extended private key) to be validated\n   * @returns {boolean} - the validation result\n   */\n  isValidPrivateKey(prv: string): boolean {\n    if (isValidXprv(prv)) return true;\n\n    if (prv.length !== 64 && prv.length !== 66) return false;\n\n    if (prv.length === 66 && prv.slice(64) !== '01') return false;\n\n    return this.allHexChars(prv);\n  }\n\n  /**\n   * Returns whether or not the string is a composed of hex chars only\n   *\n   * @param {string} maybe - the  string to be validated\n   * @returns {boolean} - the validation result\n   */\n  allHexChars(maybe: string): boolean {\n    return /^(0x){0,1}([0-9a-f])+$/i.test(maybe);\n  }\n\n  /** @inheritdoc */\n  isValidSignature(signature: string): boolean {\n    throw new NotImplementedError('isValidSignature not implemented');\n  }\n\n  /** @inheritdoc */\n  isValidTransactionId(txId: string): boolean {\n    throw new NotImplementedError('isValidTransactionId not implemented');\n  }\n\n  getCredentials(tx: BaseTx): Credential[] {\n    return tx.getIns().map((ins) => SelectCredentialClass(ins.getInput().getCredentialID()));\n  }\n\n  /**\n   * Avaxp wrapper to create signature and return it for credentials using Avalanche's buffer\n   * @param network\n   * @param message\n   * @param prv\n   * @return signature\n   */\n  createSignatureAvaxBuffer(network: AvalancheNetwork, message: BufferAvax, prv: BufferAvax): BufferAvax {\n    const ky = new KeyPairAvax(network.hrp, network.networkID.toString());\n    ky.importKey(prv);\n    return ky.sign(message);\n  }\n\n  /**\n   * Avaxp wrapper to create signature and return it for credentials\n   * @param network\n   * @param message\n   * @param prv\n   * @return signature\n   */\n  createSignature(network: AvalancheNetwork, message: Buffer, prv: Buffer): Buffer {\n    return Buffer.from(this.createSignatureAvaxBuffer(network, BufferAvax.from(message), BufferAvax.from(prv)));\n  }\n\n  /**\n   * Avaxp wrapper to verify signature using Avalanche's buffer\n   * @param network\n   * @param message\n   * @param signature\n   * @param prv\n   * @return true if it's verify successful\n   */\n  verifySignatureAvaxBuffer(\n    network: AvalancheNetwork,\n    message: BufferAvax,\n    signature: BufferAvax,\n    prv: BufferAvax\n  ): boolean {\n    const ky = new KeyPairAvax(network.hrp, network.networkID.toString());\n    ky.importKey(prv);\n    return ky.verify(message, signature);\n  }\n\n  /**\n   * Avaxp wrapper to verify signature\n   * @param network\n   * @param message\n   * @param signature\n   * @param prv\n   * @return true if it's verify successful\n   */\n  verifySignature(network: AvalancheNetwork, message: Buffer, signature: Buffer, prv: Buffer): boolean {\n    return this.verifySignatureAvaxBuffer(\n      network,\n      BufferAvax.from(message),\n      BufferAvax.from(signature),\n      BufferAvax.from(prv)\n    );\n  }\n\n  createSig(sigHex: string): Signature {\n    const sig = new Signature();\n    sig.fromBuffer(BufferAvax.from(sigHex.padStart(130, '0'), 'hex'));\n    return sig;\n  }\n\n  createNewSig(sigHex: string): AvaxSignature {\n    const buffer = BufferAvax.from(sigHex.padStart(130, '0'), 'hex');\n    return new AvaxSignature(buffer);\n  }\n\n  /**\n   * Avaxp wrapper to recovery signature using Avalanche's buffer\n   * @param network\n   * @param message\n   * @param signature\n   * @return\n   */\n  recoverySignatureAvaxBuffer(network: AvalancheNetwork, message: BufferAvax, signature: BufferAvax): BufferAvax {\n    const ky = new KeyPairAvax(network.hrp, network.networkID.toString());\n    return ky.recover(message, signature);\n  }\n\n  /**\n   * Avaxp wrapper to verify signature\n   * @param network\n   * @param message\n   * @param signature\n   * @return true if it's verify successful\n   */\n  recoverySignature(network: AvalancheNetwork, message: Buffer, signature: Buffer): Buffer {\n    return Buffer.from(this.recoverySignatureAvaxBuffer(network, BufferAvax.from(message), BufferAvax.from(signature)));\n  }\n\n  sha256(buf: Uint8Array): Buffer {\n    return createHash.default('sha256').update(buf).digest();\n  }\n\n  /**\n   * Check the raw transaction has a valid format in the blockchain context, throw otherwise.\n   * It's to reuse in TransactionBuilder and TransactionBuilderFactory\n   *\n   * @param rawTransaction Transaction as hex string\n   */\n  validateRawTransaction(rawTransaction: string): void {\n    if (!rawTransaction) {\n      throw new InvalidTransactionError('Raw transaction is empty');\n    }\n    if (!utils.allHexChars(rawTransaction)) {\n      throw new ParseTransactionError('Raw transaction is not hex string');\n    }\n  }\n\n  /**\n   * Check if tx is for the blockchainId\n   *\n   * @param {DeprecatedTx} tx\n   * @param {string} blockchainId\n   * @returns true if tx is for blockchainId\n   */\n  isTransactionOf(tx: DeprecatedTx, blockchainId: string): boolean {\n    return utils.cb58Encode((tx as DeprecatedTx).getUnsignedTx().getTransaction().getBlockchainID()) === blockchainId;\n  }\n\n  /**\n   * Check if Output is from PVM.\n   * Output could be EVM or PVM output.\n   * @param {DeprecatedOutput} output\n   * @returns {boolean} output is DeprecatedTransferableOutput\n   */\n  deprecatedIsTransferableOutput(output: DeprecatedOutput): output is DeprecatedTransferableOutput {\n    return 'getOutput' in output;\n  }\n\n  /**\n   * Check if Output is from PVM.\n   * Output could be EVM or PVM output.\n   * @param {Output} output\n   * @returns {boolean} output is TransferableOutput\n   */\n  isTransferableOutput(output: Output): output is TransferableOutput {\n    return output?._type === TypeSymbols.TransferableOutput;\n  }\n\n  /**\n   * Return a mapper function to that network address representation.\n   * @param network required to stringify addresses\n   * @return mapper function\n   */\n  deprecatedMapOutputToEntry(network: AvalancheNetwork): (DeprecatedOutput) => Entry {\n    return (output: DeprecatedOutput) => {\n      if (this.deprecatedIsTransferableOutput(output)) {\n        const amountOutput = output.getOutput() as AmountOutput;\n        const address = amountOutput\n          .getAddresses()\n          .map((a) => this.addressToString(network.hrp, network.alias, a))\n          .sort()\n          .join(ADDRESS_SEPARATOR);\n        return {\n          value: amountOutput.getAmount().toString(),\n          address,\n        };\n      } else {\n        const evmOutput = output as EVMOutput;\n        return {\n          // it should be evmOuput.getAmount(), but it returns a 0.\n          value: new BN((evmOutput as any).amount).toString(),\n          // C-Chain address.\n          address: '0x' + evmOutput.getAddressString(),\n        };\n      }\n    };\n  }\n\n  /**\n   * Return a mapper function to that network address representation.\n   * @param network required to stringify addresses\n   * @return mapper function\n   */\n  mapOutputToEntry(network: AvalancheNetwork): (Output) => Entry {\n    return (output: Output) => {\n      if (this.isTransferableOutput(output)) {\n        const outputAmount = output.amount();\n        const address = (output.output as TransferOutput)\n          .getOwners()\n          .map((a) => this.addressToString(network.hrp, network.alias, BufferAvax.from(a)))\n          .sort()\n          .join(ADDRESS_SEPARATOR);\n        return {\n          value: outputAmount.toString(),\n          address,\n        };\n      } else {\n        throw new Error('Invalid output type');\n      }\n    };\n  }\n\n  /**\n   * remove hex prefix (0x)\n   * @param hex string\n   * @returns hex without 0x\n   */\n  removeHexPrefix(hex: string): string {\n    if (hex.startsWith('0x')) {\n      return hex.substring(2);\n    }\n    return hex;\n  }\n\n  /**\n   * Outputidx convert from number (as string) to buffer.\n   * @param {string} outputidx number\n   * @return {BufferAvax} buffer of size 4 with that number value\n   */\n  outputidxNumberToBuffer(outputidx: string): BufferAvax {\n    return BufferAvax.from(Number(outputidx).toString(16).padStart(8, '0'), 'hex');\n  }\n\n  /**\n   * Outputidx buffer to number (as string)\n   * @param {BufferAvax} outputidx\n   * @return {string} outputidx number\n   */\n  outputidxBufferToNumber(outputidx: BufferAvax): string {\n    return parseInt(outputidx.toString('hex'), 16).toString();\n  }\n}\n\nconst utils = new Utils();\n\nexport default utils;\n"]}Выполнить команду
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