Uploading Code

import { SigningCosmWasmClient } from "@cosmjs/cosmwasm";
import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
import { GasPrice } from "@cosmjs/stargate";
import { readFileSync } from "fs";

const wallet = await DirectSecp256k1HdWallet.fromMnemonic("your mnemonic ...", {
  prefix: "osmo",
});
const [{ address }] = await wallet.getAccounts();

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

const wasmCode = readFileSync("./my_contract.wasm");
const uploadResult = await client.upload(address, wasmCode, "auto");

const { codeId, checksum, originalSize, compressedSize, transactionHash } = uploadResult;

import { AccessConfig, AccessType } from "cosmjs-types/cosmwasm/wasm/v1/types";

const permission = AccessConfig.fromPartial({
  permission: AccessType.ACCESS_TYPE_ANY_OF_ADDRESSES,
  addresses: [address],
});

const uploadResult = await client.upload(address, wasmCode, "auto", "optional memo", permission);