Account and ERC20 Demo for "Encode Starknet.js 101 Workshop"

Install latest LTS version of node (at the time of writing, version is v16.16.0)

Run npm install in this directory.

In your own code please run npm install starknet@next for the latest version of starknet.js.

The Account contract used in this workshop is made by OpenZeppelin: contract version 0.5.1

Argent accounts example: For an example on how to do this with Argent's account, take a look at this tutorial.

The compilation of Account.json was done by using Nile and these instructions.

Class hash was obtained with the Starkli tool.

THEORY

High level explanations from StarkWare:

https://starkware.notion.site/Deploy-a-contract-and-an-account-on-StarkNet-ed2fd13301d2414e8223bb72bb90e386

Start the demo:

NOTE: this demo was done and tested with the local devnet, which we recommend to do also.

1. Install the devnet following the official documentation
2. Go to the devnet repo and start: starknet-devnet --seed 0 -> --seed 0 ensures the creation of same predeployed accounts each time

1. Precalculate Address + Send Funds

node precalculate_address.js

2. Deploy Account

node deploy_account.js

NOTE: if you start like this, the workshop will run on the goerli testnet.

To start with the local devnet: Go to the workshop repo and start like this: STARKNET_PROVIDER_BASE_URL=http://127.0.0.1:5050/ node deploy_account.js

3. Deploy ERC20 and interact

NOTE: tested on devnet only

STARKNET_PROVIDER_BASE_URL=http://127.0.0.1:5050/ node deploy_erc20.js

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Videos:

This workshop, along with general info about starknet.js, is shown in videos below:

• https://www.youtube.com/watch?v=gqj0ENOE0EE

• https://youtu.be/6jGlDBRvckU?t=2167

Note: these videos are outdated with regards to code, but still are nice introduction to Starknet.js

Questions?

Ask in #starknet-js channel in the StarkNet Discord

DMs - 0xSean#1534 on Discord