@kubectl/caminojs
Version:
Camino Platform JS Library
260 lines • 27.2 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SECP256k1KeyChain = exports.SECP256k1KeyPair = void 0;
/**
* @packageDocumentation
* @module Common-SECP256k1KeyChain
*/
const buffer_1 = require("buffer/");
const elliptic = __importStar(require("elliptic"));
const create_hash_1 = __importDefault(require("create-hash"));
const bintools_1 = __importDefault(require("../utils/bintools"));
const keychain_1 = require("./keychain");
const errors_1 = require("../utils/errors");
const utils_1 = require("../utils");
/**
* @ignore
*/
const EC = elliptic.ec;
/**
* @ignore
*/
const ec = new EC("secp256k1");
/**
* @ignore
*/
const ecparams = ec.curve;
/**
* @ignore
*/
const BN = ecparams.n.constructor;
/**
* @ignore
*/
const bintools = bintools_1.default.getInstance();
const serialization = utils_1.Serialization.getInstance();
/**
* Class for representing a private and public keypair on the Platform Chain.
*/
class SECP256k1KeyPair extends keychain_1.StandardKeyPair {
constructor(hrp, chainID) {
super();
this.chainID = "";
this.hrp = "";
this.chainID = chainID;
this.hrp = hrp;
this.generateKey();
}
/**
* @ignore
*/
_sigFromSigBuffer(sig) {
const r = new BN(bintools.copyFrom(sig, 0, 32));
const s = new BN(bintools.copyFrom(sig, 32, 64));
const recoveryParam = bintools
.copyFrom(sig, 64, 65)
.readUIntBE(0, 1);
const sigOpt = {
r: r,
s: s,
recoveryParam: recoveryParam
};
return sigOpt;
}
/**
* Generates a new keypair.
*/
generateKey() {
this.keypair = ec.genKeyPair();
// doing hex translation to get Buffer class
this.privk = buffer_1.Buffer.from(this.keypair.getPrivate("hex").padStart(64, "0"), "hex");
this.pubk = buffer_1.Buffer.from(this.keypair.getPublic(true, "hex").padStart(66, "0"), "hex");
}
/**
* Imports a private key and generates the appropriate public key.
*
* @param privk A {@link https://github.com/feross/buffer|Buffer} representing the private key
*
* @returns true on success, false on failure
*/
importKey(privk) {
this.keypair = ec.keyFromPrivate(privk.toString("hex"), "hex");
// doing hex translation to get Buffer class
try {
this.privk = buffer_1.Buffer.from(this.keypair.getPrivate("hex").padStart(64, "0"), "hex");
this.pubk = buffer_1.Buffer.from(this.keypair.getPublic(true, "hex").padStart(66, "0"), "hex");
return true; // silly I know, but the interface requires so it returns true on success, so if Buffer fails validation...
}
catch (error) {
return false;
}
}
/**
* Returns the address as a {@link https://github.com/feross/buffer|Buffer}.
*
* @returns A {@link https://github.com/feross/buffer|Buffer} representation of the address
*/
getAddress() {
return SECP256k1KeyPair.addressFromPublicKey(this.pubk);
}
/**
* Returns the address's string representation.
*
* @returns A string representation of the address
*/
getAddressString() {
const addr = SECP256k1KeyPair.addressFromPublicKey(this.pubk);
const type = "bech32";
return serialization.bufferToType(addr, type, this.hrp, this.chainID);
}
/**
* Returns an address given a public key.
*
* @param pubk A {@link https://github.com/feross/buffer|Buffer} representing the public key
*
* @returns A {@link https://github.com/feross/buffer|Buffer} for the address of the public key.
*/
static addressFromPublicKey(pubk) {
if (pubk.length === 65) {
/* istanbul ignore next */
pubk = buffer_1.Buffer.from(ec.keyFromPublic(pubk).getPublic(true, "hex").padStart(66, "0"), "hex"); // make compact, stick back into buffer
}
if (pubk.length === 33) {
const sha256 = buffer_1.Buffer.from((0, create_hash_1.default)("sha256").update(pubk).digest());
const ripesha = buffer_1.Buffer.from((0, create_hash_1.default)("ripemd160").update(sha256).digest());
return ripesha;
}
/* istanbul ignore next */
throw new errors_1.PublicKeyError("Unable to make address.");
}
/**
* Returns a string representation of the private key.
*
* @returns A cb58 serialized string representation of the private key
*/
getPrivateKeyString() {
return `PrivateKey-${bintools.cb58Encode(this.privk)}`;
}
/**
* Returns the public key.
*
* @returns A cb58 serialized string representation of the public key
*/
getPublicKeyString() {
return bintools.cb58Encode(this.pubk);
}
/**
* Takes a message, signs it, and returns the signature.
*
* @param msg The message to sign, be sure to hash first if expected
*
* @returns A {@link https://github.com/feross/buffer|Buffer} containing the signature
*/
sign(msg) {
const sigObj = this.keypair.sign(msg, undefined, {
canonical: true
});
const recovery = buffer_1.Buffer.alloc(1);
recovery.writeUInt8(sigObj.recoveryParam, 0);
const r = buffer_1.Buffer.from(sigObj.r.toArray("be", 32)); //we have to skip native Buffer class, so this is the way
const s = buffer_1.Buffer.from(sigObj.s.toArray("be", 32)); //we have to skip native Buffer class, so this is the way
const result = buffer_1.Buffer.concat([r, s, recovery], 65);
return result;
}
/**
* Verifies that the private key associated with the provided public key produces the signature associated with the given message.
*
* @param msg The message associated with the signature
* @param sig The signature of the signed message
*
* @returns True on success, false on failure
*/
verify(msg, sig) {
const sigObj = this._sigFromSigBuffer(sig);
return ec.verify(msg, sigObj, this.keypair);
}
/**
* Recovers the public key of a message signer from a message and its associated signature.
*
* @param msg The message that's signed
* @param sig The signature that's signed on the message
*
* @returns A {@link https://github.com/feross/buffer|Buffer} containing the public key of the signer
*/
recover(msg, sig) {
const sigObj = this._sigFromSigBuffer(sig);
const pubk = ec.recoverPubKey(msg, sigObj, sigObj.recoveryParam);
return buffer_1.Buffer.from(pubk.encodeCompressed());
}
/**
* Returns the chainID associated with this key.
*
* @returns The [[KeyPair]]'s chainID
*/
getChainID() {
return this.chainID;
}
/**
* Sets the the chainID associated with this key.
*
* @param chainID String for the chainID
*/
setChainID(chainID) {
this.chainID = chainID;
}
/**
* Returns the Human-Readable-Part of the network associated with this key.
*
* @returns The [[KeyPair]]'s Human-Readable-Part of the network's Bech32 addressing scheme
*/
getHRP() {
return this.hrp;
}
/**
* Sets the the Human-Readable-Part of the network associated with this key.
*
* @param hrp String for the Human-Readable-Part of Bech32 addresses
*/
setHRP(hrp) {
this.hrp = hrp;
}
}
exports.SECP256k1KeyPair = SECP256k1KeyPair;
/**
* Class for representing a key chain in Avalanche.
*
* @typeparam SECP256k1KeyPair Class extending [[StandardKeyPair]] which is used as the key in [[SECP256k1KeyChain]]
*/
class SECP256k1KeyChain extends keychain_1.StandardKeyChain {
addKey(newKey) {
super.addKey(newKey);
}
}
exports.SECP256k1KeyChain = SECP256k1KeyChain;
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* @packageDocumentation\n * @module Common-SECP256k1KeyChain\n */\nimport { Buffer } from \"buffer/\"\nimport * as elliptic from \"elliptic\"\nimport createHash from \"create-hash\"\nimport BinTools from \"../utils/bintools\"\nimport { StandardKeyPair, StandardKeyChain } from \"./keychain\"\nimport { PublicKeyError } from \"../utils/errors\"\nimport { BNInput } from \"elliptic\"\nimport { Serialization, SerializedType } from \"../utils\"\n\n/**\n * @ignore\n */\nconst EC: typeof elliptic.ec = elliptic.ec\n\n/**\n * @ignore\n */\nconst ec: elliptic.ec = new EC(\"secp256k1\")\n\n/**\n * @ignore\n */\nconst ecparams: any = ec.curve\n\n/**\n * @ignore\n */\nconst BN: any = ecparams.n.constructor\n\n/**\n * @ignore\n */\nconst bintools: BinTools = BinTools.getInstance()\nconst serialization: Serialization = Serialization.getInstance()\n\n/**\n * Class for representing a private and public keypair on the Platform Chain.\n */\nexport abstract class SECP256k1KeyPair extends StandardKeyPair {\n  protected keypair: elliptic.ec.KeyPair\n  protected chainID: string = \"\"\n  protected hrp: string = \"\"\n\n  /**\n   * @ignore\n   */\n  protected _sigFromSigBuffer(sig: Buffer): elliptic.ec.SignatureOptions {\n    const r: BNInput = new BN(bintools.copyFrom(sig, 0, 32))\n    const s: BNInput = new BN(bintools.copyFrom(sig, 32, 64))\n    const recoveryParam: number = bintools\n      .copyFrom(sig, 64, 65)\n      .readUIntBE(0, 1)\n    const sigOpt = {\n      r: r,\n      s: s,\n      recoveryParam: recoveryParam\n    }\n    return sigOpt\n  }\n\n  /**\n   * Generates a new keypair.\n   */\n  generateKey() {\n    this.keypair = ec.genKeyPair()\n\n    // doing hex translation to get Buffer class\n    this.privk = Buffer.from(\n      this.keypair.getPrivate(\"hex\").padStart(64, \"0\"),\n      \"hex\"\n    )\n    this.pubk = Buffer.from(\n      this.keypair.getPublic(true, \"hex\").padStart(66, \"0\"),\n      \"hex\"\n    )\n  }\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  importKey(privk: Buffer): boolean {\n    this.keypair = ec.keyFromPrivate(privk.toString(\"hex\"), \"hex\")\n    // doing hex translation to get Buffer class\n    try {\n      this.privk = Buffer.from(\n        this.keypair.getPrivate(\"hex\").padStart(64, \"0\"),\n        \"hex\"\n      )\n      this.pubk = Buffer.from(\n        this.keypair.getPublic(true, \"hex\").padStart(66, \"0\"),\n        \"hex\"\n      )\n      return true // silly I know, but the interface requires so it returns true on success, so if Buffer fails validation...\n    } catch (error) {\n      return false\n    }\n  }\n\n  /**\n   * Returns the address as a {@link https://github.com/feross/buffer|Buffer}.\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} representation of the address\n   */\n  getAddress(): Buffer {\n    return SECP256k1KeyPair.addressFromPublicKey(this.pubk)\n  }\n\n  /**\n   * Returns the address's string representation.\n   *\n   * @returns A string representation of the address\n   */\n  getAddressString(): string {\n    const addr: Buffer = SECP256k1KeyPair.addressFromPublicKey(this.pubk)\n    const type: SerializedType = \"bech32\"\n    return serialization.bufferToType(addr, type, this.hrp, this.chainID)\n  }\n\n  /**\n   * Returns an address given a public key.\n   *\n   * @param pubk A {@link https://github.com/feross/buffer|Buffer} representing the public key\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} for the address of the public key.\n   */\n  static addressFromPublicKey(pubk: Buffer): Buffer {\n    if (pubk.length === 65) {\n      /* istanbul ignore next */\n      pubk = Buffer.from(\n        ec.keyFromPublic(pubk).getPublic(true, \"hex\").padStart(66, \"0\"),\n        \"hex\"\n      ) // make compact, stick back into buffer\n    }\n    if (pubk.length === 33) {\n      const sha256: Buffer = Buffer.from(\n        createHash(\"sha256\").update(pubk).digest()\n      )\n      const ripesha: Buffer = Buffer.from(\n        createHash(\"ripemd160\").update(sha256).digest()\n      )\n      return ripesha\n    }\n    /* istanbul ignore next */\n    throw new PublicKeyError(\"Unable to make address.\")\n  }\n\n  /**\n   * Returns a string representation of the private key.\n   *\n   * @returns A cb58 serialized string representation of the private key\n   */\n  getPrivateKeyString(): string {\n    return `PrivateKey-${bintools.cb58Encode(this.privk)}`\n  }\n\n  /**\n   * Returns the public key.\n   *\n   * @returns A cb58 serialized string representation of the public key\n   */\n  getPublicKeyString(): string {\n    return bintools.cb58Encode(this.pubk)\n  }\n\n  /**\n   * Takes a message, signs it, and returns the signature.\n   *\n   * @param msg The message to sign, be sure to hash first if expected\n   *\n   * @returns A {@link https://github.com/feross/buffer|Buffer} containing the signature\n   */\n  sign(msg: Buffer): Buffer {\n    const sigObj: elliptic.ec.Signature = this.keypair.sign(msg, undefined, {\n      canonical: true\n    })\n    const recovery: Buffer = Buffer.alloc(1)\n    recovery.writeUInt8(sigObj.recoveryParam, 0)\n    const r: Buffer = Buffer.from(sigObj.r.toArray(\"be\", 32)) //we have to skip native Buffer class, so this is the way\n    const s: Buffer = Buffer.from(sigObj.s.toArray(\"be\", 32)) //we have to skip native Buffer class, so this is the way\n    const result: Buffer = Buffer.concat([r, s, recovery], 65)\n    return result\n  }\n\n  /**\n   * Verifies that the private key associated with the provided public key produces the 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   *\n   * @returns True on success, false on failure\n   */\n  verify(msg: Buffer, sig: Buffer): boolean {\n    const sigObj: elliptic.ec.SignatureOptions = this._sigFromSigBuffer(sig)\n    return ec.verify(msg, sigObj, this.keypair)\n  }\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 key of the signer\n   */\n  recover(msg: Buffer, sig: Buffer): Buffer {\n    const sigObj: elliptic.ec.SignatureOptions = this._sigFromSigBuffer(sig)\n    const pubk = ec.recoverPubKey(msg, sigObj, sigObj.recoveryParam)\n    return Buffer.from(pubk.encodeCompressed())\n  }\n\n  /**\n   * Returns the chainID associated with this key.\n   *\n   * @returns The [[KeyPair]]'s chainID\n   */\n  getChainID(): string {\n    return this.chainID\n  }\n\n  /**\n   * Sets the the chainID associated with this key.\n   *\n   * @param chainID String for the chainID\n   */\n  setChainID(chainID: string): void {\n    this.chainID = chainID\n  }\n\n  /**\n   * Returns the Human-Readable-Part of the network associated with this key.\n   *\n   * @returns The [[KeyPair]]'s Human-Readable-Part of the network's Bech32 addressing scheme\n   */\n  getHRP(): string {\n    return this.hrp\n  }\n\n  /**\n   * Sets the the Human-Readable-Part of the network associated with this key.\n   *\n   * @param hrp String for the Human-Readable-Part of Bech32 addresses\n   */\n  setHRP(hrp: string): void {\n    this.hrp = hrp\n  }\n\n  constructor(hrp: string, chainID: string) {\n    super()\n    this.chainID = chainID\n    this.hrp = hrp\n    this.generateKey()\n  }\n}\n\n/**\n * Class for representing a key chain in Avalanche.\n *\n * @typeparam SECP256k1KeyPair Class extending [[StandardKeyPair]] which is used as the key in [[SECP256k1KeyChain]]\n */\nexport abstract class SECP256k1KeyChain<\n  SECPKPClass extends SECP256k1KeyPair\n> extends StandardKeyChain<SECPKPClass> {\n  /**\n   * Makes a new key pair, returns the address.\n   *\n   * @returns Address of the new key pair\n   */\n  makeKey: () => SECPKPClass\n\n  addKey(newKey: SECPKPClass): void {\n    super.addKey(newKey)\n  }\n\n  /**\n   * Given a private key, makes a new key pair, returns the address.\n   *\n   * @param privk A {@link https://github.com/feross/buffer|Buffer} or cb58 serialized string representing the private key\n   *\n   * @returns Address of the new key pair\n   */\n  importKey: (privk: Buffer | string) => SECPKPClass\n}\n"]}