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Просмотр файла: keychain.js
"use strict";
/**
* @packageDocumentation
* @module Common-KeyChain
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.StandardKeyChain = exports.StandardKeyPair = void 0;
const buffer_1 = require("buffer/");
/**
* Class for representing a private and public keypair in Avalanche.
* All APIs that need key pairs should extend on this class.
*/
class StandardKeyPair {
/**
* Returns a reference to the private key.
*
* @returns A {@link https://github.com/feross/buffer|Buffer} containing the private key
*/
getPrivateKey() {
return this.privk;
}
/**
* Returns a reference to the public key.
*
* @returns A {@link https://github.com/feross/buffer|Buffer} containing the public key
*/
getPublicKey() {
return this.pubk;
}
}
exports.StandardKeyPair = StandardKeyPair;
/**
* Class for representing a key chain in Avalanche.
* All endpoints that need key chains should extend on this class.
*
* @typeparam KPClass extending [[StandardKeyPair]] which is used as the key in [[StandardKeyChain]]
*/
class StandardKeyChain {
constructor() {
this.keys = {};
/**
* Gets an array of addresses stored in the [[StandardKeyChain]].
*
* @returns An array of {@link https://github.com/feross/buffer|Buffer} representations
* of the addresses
*/
this.getAddresses = () => Object.values(this.keys).map((kp) => kp.getAddress());
/**
* Gets an array of addresses stored in the [[StandardKeyChain]].
*
* @returns An array of string representations of the addresses
*/
this.getAddressStrings = () => Object.values(this.keys).map((kp) => kp.getAddressString());
/**
* Removes the key pair from the list of they keys managed in the [[StandardKeyChain]].
*
* @param key A {@link https://github.com/feross/buffer|Buffer} for the address or
* KPClass to remove
*
* @returns The boolean true if a key was removed.
*/
this.removeKey = (key) => {
let kaddr;
if (key instanceof buffer_1.Buffer) {
kaddr = key.toString("hex");
}
else {
kaddr = key.getAddress().toString("hex");
}
if (kaddr in this.keys) {
delete this.keys[`${kaddr}`];
return true;
}
return false;
};
/**
* Checks if there is a key associated with the provided address.
*
* @param address The address to check for existence in the keys database
*
* @returns True on success, false if not found
*/
this.hasKey = (address) => address.toString("hex") in this.keys;
/**
* Returns the [[StandardKeyPair]] listed under the provided address
*
* @param address The {@link https://github.com/feross/buffer|Buffer} of the address to
* retrieve from the keys database
*
* @returns A reference to the [[StandardKeyPair]] in the keys database
*/
this.getKey = (address) => this.keys[address.toString("hex")];
}
/**
* Adds the key pair to the list of the keys managed in the [[StandardKeyChain]].
*
* @param newKey A key pair of the appropriate class to be added to the [[StandardKeyChain]]
*/
addKey(newKey) {
this.keys[newKey.getAddress().toString("hex")] = newKey;
}
}
exports.StandardKeyChain = StandardKeyChain;
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* @packageDocumentation\n * @module Common-KeyChain\n */\n\nimport { Buffer } from \"buffer/\"\n\n/**\n * Class for representing a private and public keypair in Avalanche.\n * All APIs that need key pairs should extend on this class.\n */\nexport abstract class StandardKeyPair {\n  protected pubk: Buffer\n  protected privk: Buffer\n\n  /**\n   * Generates a new keypair.\n   *\n   * @param entropy Optional parameter that may be necessary to produce secure keys\n   */\n  abstract generateKey(entropy?: Buffer): void\n\n  /**\n   * Imports a private key and generates the appropriate public key.\n   *\n   * @param privk A {@link https://github.com/feross/buffer|Buffer} representing the private key\n   *\n   * @returns true on success, false on failure\n   */\n  abstract importKey(privk: Buffer): boolean\n\n  /**\n   * Takes a message, signs it, and returns the signature.\n   *\n   * @param msg The message to sign\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} containing the signature\n   */\n  abstract sign(msg: Buffer): Buffer\n\n  /**\n   * Recovers the public key of a message signer from a message and its associated signature.\n   *\n   * @param msg The message that's signed\n   * @param sig The signature that's signed on the message\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} containing the public\n   * key of the signer\n   */\n  abstract recover(msg: Buffer, sig: Buffer): Buffer\n\n  /**\n   * Verifies that the private key associated with the provided public key produces the\n   * signature associated with the given message.\n   *\n   * @param msg The message associated with the signature\n   * @param sig The signature of the signed message\n   * @param pubk The public key associated with the message signature\n   *\n   * @returns True on success, false on failure\n   */\n  abstract verify(msg: Buffer, sig: Buffer, pubk: Buffer): boolean\n\n  /**\n   * Returns a reference to the private key.\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} containing the private key\n   */\n  getPrivateKey(): Buffer {\n    return this.privk\n  }\n\n  /**\n   * Returns a reference to the public key.\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} containing the public key\n   */\n  getPublicKey(): Buffer {\n    return this.pubk\n  }\n\n  /**\n   * Returns a string representation of the private key.\n   *\n   * @returns A string representation of the public key\n   */\n  abstract getPrivateKeyString(): string\n\n  /**\n   * Returns the public key.\n   *\n   * @returns A string representation of the public key\n   */\n  abstract getPublicKeyString(): string\n\n  /**\n   * Returns the address.\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer}  representation of the address\n   */\n  abstract getAddress(): Buffer\n\n  /**\n   * Returns the address's string representation.\n   *\n   * @returns A string representation of the address\n   */\n  abstract getAddressString(): string\n\n  abstract create(...args: any[]): this\n\n  abstract clone(): this\n}\n\n/**\n * Class for representing a key chain in Avalanche.\n * All endpoints that need key chains should extend on this class.\n *\n * @typeparam KPClass extending [[StandardKeyPair]] which is used as the key in [[StandardKeyChain]]\n */\nexport abstract class StandardKeyChain<KPClass extends StandardKeyPair> {\n  protected keys: { [address: string]: KPClass } = {}\n\n  /**\n   * Makes a new [[StandardKeyPair]], returns the address.\n   *\n   * @returns Address of the new [[StandardKeyPair]]\n   */\n  makeKey: () => KPClass\n\n  /**\n   * Given a private key, makes a new [[StandardKeyPair]], returns the address.\n   *\n   * @param privk A {@link https://github.com/feross/buffer|Buffer} representing the private key\n   *\n   * @returns A new [[StandardKeyPair]]\n   */\n  importKey: (privk: Buffer) => KPClass\n\n  /**\n   * Gets an array of addresses stored in the [[StandardKeyChain]].\n   *\n   * @returns An array of {@link https://github.com/feross/buffer|Buffer}  representations\n   * of the addresses\n   */\n  getAddresses = (): Buffer[] =>\n    Object.values(this.keys).map((kp) => kp.getAddress())\n\n  /**\n   * Gets an array of addresses stored in the [[StandardKeyChain]].\n   *\n   * @returns An array of string representations of the addresses\n   */\n  getAddressStrings = (): string[] =>\n    Object.values(this.keys).map((kp) => kp.getAddressString())\n\n  /**\n   * Adds the key pair to the list of the keys managed in the [[StandardKeyChain]].\n   *\n   * @param newKey A key pair of the appropriate class to be added to the [[StandardKeyChain]]\n   */\n  addKey(newKey: KPClass) {\n    this.keys[newKey.getAddress().toString(\"hex\")] = newKey\n  }\n\n  /**\n   * Removes the key pair from the list of they keys managed in the [[StandardKeyChain]].\n   *\n   * @param key A {@link https://github.com/feross/buffer|Buffer} for the address or\n   * KPClass to remove\n   *\n   * @returns The boolean true if a key was removed.\n   */\n  removeKey = (key: KPClass | Buffer) => {\n    let kaddr: string\n    if (key instanceof Buffer) {\n      kaddr = key.toString(\"hex\")\n    } else {\n      kaddr = key.getAddress().toString(\"hex\")\n    }\n    if (kaddr in this.keys) {\n      delete this.keys[`${kaddr}`]\n      return true\n    }\n    return false\n  }\n\n  /**\n   * Checks if there is a key associated with the provided address.\n   *\n   * @param address The address to check for existence in the keys database\n   *\n   * @returns True on success, false if not found\n   */\n  hasKey = (address: Buffer): boolean => address.toString(\"hex\") in this.keys\n\n  /**\n   * Returns the [[StandardKeyPair]] listed under the provided address\n   *\n   * @param address The {@link https://github.com/feross/buffer|Buffer} of the address to\n   * retrieve from the keys database\n   *\n   * @returns A reference to the [[StandardKeyPair]] in the keys database\n   */\n  getKey = (address: Buffer): KPClass => this.keys[address.toString(\"hex\")]\n\n  abstract create(...args: any[]): this\n\n  abstract clone(): this\n\n  abstract union(kc: this): this\n}\n"]}Выполнить команду
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