mjs/cosmjs
mjs/cosmjs
1
0
Fork 0
mirror of https://github.com/cosmos/cosmjs.git synced 2025-03-11 14:09:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add mnemonic storage to Secp256k1Wallet

Browse Source
This commit is contained in:
Simon Warta 2020-07-22 08:30:26 +02:00
parent 8798e7046f
commit 2a47d8b580
3 changed files with 21 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
packages/sdk38/src/wallet.spec.ts
View File

@ -10,9 +10,12 @@ describe("Secp256k1Wallet", () => {
const defaultPubkey = fromHex("02baa4ef93f2ce84592a49b1d729c074eab640112522a7a89f7d03ebab21ded7b6");
const defaultAddress = "cosmos1jhg0e7s6gn44tfc5k37kr04sznyhedtc9rzys5";
it("can be constructed", async () => {
const wallet = await Secp256k1Wallet.fromMnemonic(defaultMnemonic);
expect(wallet).toBeTruthy();
describe("fromMnemonic", () => {
it("works", async () => {
const wallet = await Secp256k1Wallet.fromMnemonic(defaultMnemonic);
expect(wallet).toBeTruthy();
expect(wallet.mnemonic).toEqual(defaultMnemonic);
});
});
describe("getAccounts", () => {

16
packages/sdk38/src/wallet.ts
View File

@ -65,27 +65,35 @@ export function makeCosmoshubPath(a: number): readonly Slip10RawIndex[] {
export class Secp256k1Wallet implements OfflineSigner {
public static async fromMnemonic(
mnemonic: string,
mnemonicInput: string,
hdPath: readonly Slip10RawIndex[] = makeCosmoshubPath(0),
prefix = "cosmos",
): Promise<Secp256k1Wallet> {
const seed = await Bip39.mnemonicToSeed(new EnglishMnemonic(mnemonic));
const mnemonic = new EnglishMnemonic(mnemonicInput);
const seed = await Bip39.mnemonicToSeed(mnemonic);
const { privkey } = Slip10.derivePath(Slip10Curve.Secp256k1, seed, hdPath);
const uncompressed = (await Secp256k1.makeKeypair(privkey)).pubkey;
return new Secp256k1Wallet(privkey, Secp256k1.compressPubkey(uncompressed), prefix);
return new Secp256k1Wallet(mnemonic, privkey, Secp256k1.compressPubkey(uncompressed), prefix);
}
private readonly mnemonicData: EnglishMnemonic;
private readonly pubkey: Uint8Array;
private readonly privkey: Uint8Array;
private readonly prefix: string;
private readonly algo: Algo = "secp256k1";
private constructor(privkey: Uint8Array, pubkey: Uint8Array, prefix: string) {
private constructor(mnemonic: EnglishMnemonic, privkey: Uint8Array, pubkey: Uint8Array, prefix: string) {
this.mnemonicData = mnemonic;
this.privkey = privkey;
this.pubkey = pubkey;
this.prefix = prefix;
}
public get mnemonic(): string {
return this.mnemonicData.toString();
}
private get address(): string {
return rawSecp256k1PubkeyToAddress(this.pubkey, this.prefix);
}

4
packages/sdk38/types/wallet.d.ts vendored
View File

@ -24,15 +24,17 @@ export interface OfflineSigner {
export declare function makeCosmoshubPath(a: number): readonly Slip10RawIndex[];
export declare class Secp256k1Wallet implements OfflineSigner {
static fromMnemonic(
mnemonic: string,
mnemonicInput: string,
hdPath?: readonly Slip10RawIndex[],
prefix?: string,
): Promise<Secp256k1Wallet>;
private readonly mnemonicData;
private readonly pubkey;
private readonly privkey;
private readonly prefix;
private readonly algo;
private constructor();
get mnemonic(): string;
private get address();
getAccounts(): Promise<readonly AccountData[]>;
sign(address: string, message: Uint8Array, prehashType?: PrehashType): Promise<StdSignature>;