Teller Widget

Welcome to the Teller Widget! This widget allows any dapp to integrate Teller's front end into their app and allow users to do cash advances with either the tokens in their wallets or a specified token list.

Documentation

• Getting started
• API reference
• Interactive sandbox

Required packaages

 @tanstack/react-query
 alchemy-sdk
 graphql
 graphql-request
 react
 react-dom
 @teller-protocol/v2-contracts

Installation

Install the widget (and required packages) by using npm or yarn

yarn add @teller-protocol/teller-widget @tanstack/react-query alchemy-sdk graphql graphql-request react react-dom @teller-protocol/v2-contracts

npm i --save @teller-protocol/teller-widget @tanstack/react-query alchemy-sdk graphql graphql-request react react-dom @teller-protocol/v2-contracts

Usage

To use the widget, import the TellerWidget component. None of the props are required.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const App = () => {
  return <TellerWidget />;
};

Props

The widget works out of the box with no configuration. However, you can pass in the following props to customize the widget.

buttonLabel

A string to replace the default Cash Advance button label.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const App = () => {
  return <TellerWidget buttonLabel="Get a loan now!" />;
};

whitelistedTokens

An object grouped by chainId, made up of a list of token addresses. By default these tokens show on additionally to the ones in the user's wallet.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const whiteListedTokens = {
  [137]: [
    "0x61299774020da444af134c82fa83e3810b309991",
    "0x692ac1e363ae34b6b489148152b12e2785a3d8d6",
  ],
  [1]: ["0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"],
};

const App = () => {
  return <TellerWidget whiteListedTokens={whiteListedTokens} />;
};

showOnlyWhitelistedTokens

A boolen to only show the tokens defined in the whitelistedTokens prop. Must be used together with the whitelistedTokens prop.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const whiteListedTokens = {
  [137]: [
    "0x61299774020da444af134c82fa83e3810b309991",
    "0x692ac1e363ae34b6b489148152b12e2785a3d8d6",
  ],
  [1]: ["0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"],
};

const App = () => {
  return <TellerWidget whiteListedTokens={whiteListedTokens} showOnlyWhitelistedTokens />;
};

buttonClassName

A string to be passed to the main button for adding a css class. Use this for customizing the button to match your app's design.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const App = () => {
  return <TellerWidget buttonClassName="button-v2" />;
};

isButtonBare

A boolean for additional styling control. This resets the buttons's style to the browser's default.

import { Widget as TellerWidget } from "@teller-protocol/teller-widget";

const App = () => {
  return <TellerWidget buttonClassName="button-v2" />;
};

Development

Testing

Run storybook by doing

yarn storybook