🔮
Ethereum
  • General
    • What is Ethereum
      • Ethereum & Bitcoin General Comparison
      • Singleton State
      • The Ethereum Virtual Machine (EVM)
      • Opcodes (operation codes) EVM
      • Ethereum Client
      • Forks
      • Gas (wei)
        • EIP-1559
        • Table Conversion (wei)
      • Proof of Stake (PoS)
      • Proof of Authority (PoA)
      • The Beacon Chain
      • Networks
        • Ethereum mainnet
        • Goerli
      • Account-based model & UTXO-based model
      • Externally Owned Account (EOA)
      • Node Clients
        • Geth
        • Nethermind
      • Contract Account
      • Smart Contract Upgradeability
      • Ultrasound Money
      • Merkle Trees
        • Patricia Merkle Tree
      • Tries
        • State Trie
        • Storage Trie
        • Transactions Trie
        • Receipts Trie
      • Transactions
        • Ethereum Transaction Architecture
      • World State
        • Chain of States
        • Chain of Blocks
        • Stack of Transactions / Mempool
      • Contract Creation
      • Message Call Transaction
      • P2P Network
      • Web3.js
      • Ether.js
        • Smart Contract Interaction Example
      • Web3.js vs Ether.js
      • Node Providers
      • ENS (Ethereum Name Service)
      • Web3 dapp
      • Escrow
      • Multi-signature
      • ERC-20 tokens
        • Send ERC20s to Contracts
      • NFTs
        • ERC-721 and ERC-1155
      • Solidity
        • State Variables
        • Data Location
        • Numbers
        • Modifiers
        • View & Pure Modifiers
        • Data Types
          • Modifiers
          • Modifiers (Functions)
          • Address & Address Payable
        • Hardhat
        • Payable Functions
        • Receive Function
        • Fallback Function
        • Global Variables
        • Self Destruct
        • Create2 Function
        • Revert function
        • Require function
        • Assert Function
        • Calldata
        • Interface
        • Mapping
        • Array
        • Struct
        • Inheritance
          • Virtual & Overwrite
          • Multiple inheritance
          • Hierarchical Inheritance
        • Events
          • Indexed (keyword)
          • LOG0 - LOG4
        • Multi-signature Example
        • Smart Contracts
          • Context
      • Application Binary Interface (ABI )
  • Extras
    • Terminology
      • Bytecode
      • Keccak-256
      • Turing complete
Powered by GitBook
On this page
  1. General
  2. What is Ethereum
  3. Solidity

Create2 Function

create2 is a Solidity function that allows the creation of contracts at deterministic addresses. It was introduced in the Byzantium hard fork of the Ethereum network.

The create2 function takes four arguments:

  • value: the amount of Ether to be sent with the creation of the contract

  • salt: an arbitrary byte array that can be used to create a unique identifier for the contract's address

  • bytecode: the bytecode of the contract to be created

  • initCodeHash: the hash of the initialization code of the contract to be created

Using create2, a contract can be deployed at an address that is determined by the combination of salt and initCodeHash. This allows the creation of contracts with a known address in advance, which can be useful for creating contracts that interact with each other in complex ways, or for creating contracts that require a specific address for compatibility with other systems.

This allows a contract to be deployed to a deterministic address based on the contract's bytecode, the salt (a random string used as an input), and the address of the creating contract. This can be useful in certain scenarios, such as when creating a contract with a specific address is important, or when deploying contracts that need to be frequently updated or replaced.

PreviousSelf DestructNextRevert function

Last updated 2 years ago