CosmJS

npm

About

Cosmwasm.js was created to help new developers get started with their first dApps.
It is just a wrapper package to easily import needed features from CosmJS.

Get started

Installation

NPM

npm install cosmwasm

Yarn

yarn add cosmwasm

Usage

Get a read-only cosmwasm client

import { CosmWasmClient } from "cosmwasm";

// This is your rpc endpoint
const rpcEndpoint = "https://rpc.cliffnet.cosmwasm.com:443/";

async function main() {
  const client = await CosmWasmClient.connect(rpcEndpoint);
  console.log(client);
}

main();

Create a wallet and a signing stargate client

import { SigningCosmWasmClient, Secp256k1HdWallet } from "cosmwasm";

// This is your rpc endpoint
const rpcEndpoint = "https://rpc.cliffnet.cosmwasm.com:443/";

// Using a random generated mnemonic
const mnemonic = "rifle same bitter control garage duck grab spare mountain doctor rubber cook";

async function main() {

  // Create a wallet
  const wallet = await Secp256k1HdWallet.fromMnemonic(mnemonic);

  // Using
  const client = await SigningCosmWasmClient.connectWithSigner(
    rpcEndpoint,
    wallet
  );
  console.log(client);
}

main();

Interacting with contracts

import { CosmWasmClient } from "cosmwasm";

// This is your rpc endpoint
const rpcEndpoint = "https://rpc.cliffnet.cosmwasm.com:443/";

// This is your contract address
const contractAddr = "wasm19qws2lfd8pskyn0cfgpl5yjjyq3msy5402qr8nkzff9kdnkaepyqycedfh";

async function main() {
  const client = await CosmWasmClient.connect(rpcEndpoint);
  const config = await client.queryContractSmart(contractAddr, { config: {} });

  console.log(config);
}

main();

GitHub

View Github