Local Wallets

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";

const wallet = await DirectSecp256k1HdWallet.fromMnemonic(
  "your twelve or twenty-four word mnemonic phrase ...",
  { prefix: "cosmos" },
);

const [{ address }] = await wallet.getAccounts();

import { Secp256k1HdWallet } from "@cosmjs/amino";

const wallet = await Secp256k1HdWallet.fromMnemonic(
  "your twelve or twenty-four word mnemonic phrase ...",
  { prefix: "cosmos" },
);

import { SigningStargateClient, GasPrice } from "@cosmjs/stargate";

const client = await SigningStargateClient.connectWithSigner(
  "https://rpc.my-chain.network",
  wallet,
  { gasPrice: GasPrice.fromString("0.025uatom") },
);

const result = await client.sendTokens(
  address,
  "cosmos1recipient...",
  [{ denom: "uatom", amount: "1000000" }],
  "auto",
);

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";

const wallet = await DirectSecp256k1HdWallet.generate(24, {
  prefix: "cosmos",
});

const mnemonic = wallet.mnemonic;

import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
import { makeCosmoshubPath } from "@cosmjs/amino";

const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, {
  prefix: "cosmos",
  hdPaths: [makeCosmoshubPath(0), makeCosmoshubPath(1), makeCosmoshubPath(2)],
});

const accounts = await wallet.getAccounts();
// Three different addresses, all derived from the same mnemonic

const encrypted = await wallet.serialize("strong-password");
// Store `encrypted` in a database or file

const restored = await DirectSecp256k1HdWallet.deserialize(
  encrypted,
  "strong-password",
);