Testing Smart Contracts

Base Documentation

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A guide to building a next.js app on Base using OnchainKit

Build an App

Launch a Token

Deploy a Chain

Deploy Smart Contracts

Get Funded

A guide to leveraging AI tools effectively in your coding workflow.

AI Prompting

Prompt Library

Network Information

Fees

Ethereum vs. Base

Decentralizing Base Optimism

Base Contracts

Use Base

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Run a Base Node

Bridge Tokens to Base

Base Products

Onchain Registry API

Node Providers

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Account Abstraction

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Avoid Malicious Flags

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Overview

Quickstart

Recommend libraries

Base Gasless Campaign

Implement single sign-on functionality in Smart Wallet

Single Sign On

Configure and manage network settings in Smart Wallet

Networks

Implement and manage passkeys in Smart Wallet

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MagicSpend

Guide to signature verification in Smart Wallet

Signature Verification

Popups

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Gas Usage

Self Calls

Install

Setup

makeWeb3Provider

Upgrading from 3.x

CoinbaseWalletProvider

Guide to updating an existing app with Smart Wallet

Update Existing App

Guide to message signing and verification

Signing and Verifying Messages

Sign In With Ethereum

Batch Transactions

Paymasters

ERC20 Paymasters

Templates

Troubleshoot

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Reach More Users with MiniKit

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Checkout

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Verify if a chain ID is a valid Base or Base Sepolia chain ID

isBase

Report a Bug

Onboard Users

Accept Crypto Payments

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Defi Your App

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Base Builder MCP

Showcase

Welcome

Introduction to Ethereum

Ethereum Dev Overview

Ethereum Applications

Gas Use in ETH Transactions

EVM Diagram

Guide to Base

Deploy with Fleek

Cross Chain Development

Client Side Development

Introduction to Solidity

Anatomy of a Smart Contract

Introduction to Foundry

Exercise contracts

Building Onchain

Ethereum 101

Onchain App Development

Smart Contract Development

Development with Foundry

Development with Hardhat

Exercise Contracts

Testing Smart Contracts