@taquito/signer
Version:
Provide signing functionality to be with taquito
45 lines (44 loc) • 1.89 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateSecretKey = void 0;
const utils_1 = require("@taquito/utils");
const ed25519_1 = require("./derivation-tools/ed25519");
const ecdsa_1 = require("./derivation-tools/ecdsa");
const derivation_tools_1 = require("./derivation-tools");
const errors_1 = require("./errors");
// bip32 when supported add to @param curve bip25519
/**
*
* @param seed bip39.mnemonicToSeed
* @param derivationPath Tezos Requirement 44'/1729' for HD key address default 44'/1729'/0'/0'
* @param curve 'ed25519' | 'secp256k1' | 'p256''
* @returns final Derivation of HD keys tezos Secret key
* @throws {@link InvalidCurveError} | {@link ToBeImplemented}
*/
const generateSecretKey = (seed, derivationPath, curve) => {
const path = derivation_tools_1.Path.fromString(derivationPath);
let node;
switch (curve) {
case 'ed25519': {
node = ed25519_1.PrivateKey.fromSeed(seed).derivePath(path);
const sk = (0, utils_1.b58cencode)(node.seed().slice(0, 32), utils_1.prefix.edsk2);
return sk;
}
case 'secp256k1':
case 'p256': {
const prefixType = curve === 'secp256k1' ? utils_1.prefix.spsk : utils_1.prefix.p2sk;
let privKey = ecdsa_1.PrivateKey.fromSeed(seed, curve);
privKey = privKey.derivePath(path);
const uint8arr = new Uint8Array(privKey.keyPair.getPrivate().toArray());
const sk = (0, utils_1.b58cencode)(uint8arr, prefixType);
return sk;
}
case 'bip25519': {
throw new errors_1.ToBeImplemented();
}
default: {
throw new errors_1.InvalidCurveError(`Unsupported curve "${curve}" expecting one of the following "ed25519", "secp256k1", "p256"`);
}
}
};
exports.generateSecretKey = generateSecretKey;