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Example: with-cosmjs

This example shows how to sign and broadcast a Cosmos transaction (on Celestia testnet) using CosmJS with Turnkey.

Getting started

1/ Cloning the example

Make sure you have Node.js installed locally; we recommend using Node v18+.

$ git clone https://github.com/tkhq/sdk
$ cd sdk/
$ corepack enable  # Install `pnpm`
$ pnpm install -r  # Install dependencies
$ pnpm run build-all  # Compile source code
$ cd examples/with-cosmjs/

2/ Setting up Turnkey

The first step is to set up your Turnkey organization and account. By following the Quickstart guide, you should have:

  • A public/private API key pair for Turnkey
  • An organization ID

Once you've gathered these values, add them to a new .env.local file. Notice that your private key should be securely managed and never be committed to git.

$ cp .env.local.example .env.local

Now open .env.local and add the missing environment variables:

  • API_PUBLIC_KEY
  • API_PRIVATE_KEY
  • BASE_URL
  • ORGANIZATION_ID
  • SIGN_WITH -- if you leave it blank, we'll create a wallet for you via calling the Turnkey API

3/ Running the script

$ pnpm start

The script signs your transaction via Turnkey and broadcasts on Celestia testnet. If the script exits because your account isn't funded, you can request funds via the Celestia Discord, or https://faucet.celestia-arabica-11.com/.

Visit the explorer links to view your transaction; you have successfully sent your first transaction with Turnkey!

Compressed public key:
	025adbb33ec36206ae2e022ddc55d3d083aeb9959311227a7699dcb31068286c79

Wallet address:
	celestia160pdug04aedlqhfeue5vhjjke5zgmtyruzk6w7

Wallet on explorer:
	https://arabica.celenium.io/address/celestia160pdug04aedlqhfeue5vhjjke5zgmtyruzk6w7

Account balance:
	[{"denom":"utia","amount":"4979900"}]

Sent 0.0001 TIA to celestia1vsvx8n7f8dh5udesqqhgrjutyun7zqrgehdq2l:
	https://arabica.celenium.io/tx/933236071C0AFEC756E09F4C2F14F52FAD56971FBD5E83D9E405B4A538D10E63