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Polygon knowledge layer
Polygon knowledge layer. 0, the AggLayer will use ZK proofs to create a seamless, aggregated environment that feels like a single chain–even as each chain in the ecosystem remains sovereign. Handles block producer selection. The Polygon Proof-of-Stake (PoS) network is designed to address scalability challenges within the Ethereum ecosystem. Polygon PoS testnet (Amoy) Polygon PoS mainnet; Polygon zkEVM testnet (Cardona) Polygon zkEVM mainnet The bridge will undergo modifications, with community approval, to change the native token of Polygon PoS to the new POL token. It enables developers to acquire free POL/ETH test tokens on the PoS Amoy and zkEVM Cardona testnets. These configurations can be passed as parameters. The majority of developers use a node provider, or a third-party external service that receives node requests and returns responses for you automatically. Etrog upgrade¶. Run an access node. Getting started. The first line pragma solidity ^0. Specifically, it determines when a new span can be proposed on Heimdall based on the current block number n and the current span span. Polygon consists of the three following layers: Ethereum layer: A set of contracts on the Ethereum mainnet. It is the Polygon zkEVM’s preferred framework, and therefore used in the zkEVM as a default for deploying and automatically verifying smart contracts. To fork Polygon zkEVM, for example, run the following command: dapp-launchpad dev -n polygonZkevm To fork at a particular block number run the command including the optional flag -b : Validators on the Heimdall layer pickup the StateSynced event and pass it on to the Bor layer. But smart contracts can’t access data from outside of their blockchain network. We follow the Soulbound NFT tutorial from this video . Welcome to the technical documentation and knowledge resources for Polygon protocols and scaling technologies. Polygon gas station has been deployed both on the Polygon mainnet & Amoy testnet. Transaction option¶. Learn how to build and deploy dApps, launch ZK rollups and validiums as Layer 2s on Ethereum, spin up nodes, and find out about the latest in zero-knowledge research. g. However, given Ethereum’s current framework, publishing callback data to L1 incurs high gas fees, complicating the decision between opting for a full zk-rollup or Get started. , pragma once). 5 to 5 terabytes of SSD (or faster) storage. Checkpoints. It queries the RPC for eth_feeHistory and fetches the 10 th , 25 th , and 50 th percentiles of priority fees for transactions in each of the last 15 blocks. Polygon zkEVM overview Take a global view of the Polygon zkEVM network. There is often a need to access information from the outside world that is relevant to the contractual agreement. WalletConnect is an open protocol - not a wallet - built to create a communication link between dApps and wallets. MetaMask is a crypto wallet for web browsers and mobile devices that interacts with the Ethereum blockchain. Transactions. Specifically, the following changes are being proposed: Bridging POL to Polygon PoS: if you bridge POL tokens to Polygon PoS, you will receive an equal amount of native tokens (POL) on Polygon PoS. The Polygon team distributes official Docker images which can be used to run nodes on the Polygon PoS mainnet. This wallet’s private key is on the validator node for signing purposes. Polygon zkEVM is a Layer 2 network of the Ethereum Virtual Machine (EVM), a zero-knowledge (ZK) rollup scaling solution. More specifically, they often differ in what they do with the transaction data (i. Downloading and using client snapshots¶. In this guide, we demonstrate how to deploy an ERC-721 token contract on the Polygon zkEVM network using Foundry. The Polygon Faucet is a tool provided by Polygon and ecosystem partners like Alchemy, QuickNode, and GetBlock. The logic within the consensus contract verifies the zero-knowledge proofs, thereby endowing the zkEVM with the security of Layer 1. This consensus model is characterized by predefined block producers who collectively participate in a voting process to appoint new producers, taking turns in block generation. Nodes on Polygon are therefore designed with a two-layer implementation represented by Bor (the block producer layer) and Heimdall (the validator layer). Welcome to the Polygon Knowledge Layer! This documentation is built using the Material theme for MkDocs . We also publish resources necessary for learning about and contributing to Polygon technologies. The Polygon Knowledge Layer consists of technical documentation that developers need for building with Polygon protocols, products, and services. Check out the all the QRNG Providers here. dApp projects are divided into two parts: Using Docker. A wallet and an application supporting this protocol will enable a secure link through a shared key between any two peers. 10 specifies that the source code is for a Solidity version greater than 0. For the Polygon PoS Proof of Security based consensus, all the \(2/3+1\) proof verification and handling of staking, rewards are executed on the Ethereum smart contract. Polygon Portal is an integrated UI platform that serves as a one-stop solution for asset management and token operations such as swapping and bridging. In particular, and on the execution client side, it delineates on snapshots and state syncing, network configurations, and frequently used commands when running PoS nodes. Layer 2 (L2) blockchains are scaling solutions, typically built on top of Ethereum (L1) that are designed to increase transaction throughput without sacrificing decentralization or security. Polygon portal¶ The Polygon Portal is a comprehensive solution for account management on Polygon. Polygon Faucet¶. Network details ¶ Mumbai testnet deprecated A full zk-rollup schema requires on-chain publication of both the transaction data (which users need to reconstruct the full state) and the validity proofs (zero-knowledge proofs). Layer 2s can differ in how they interact with Ethereum. API3 Docs; API3 Market on Polygon; API3 Market on Polygon zkEVM; Get started with dAPIs; get started with QRNG; Github; Medium; YouTube Polygon Knowledge Layer Home CDK zkEVM PoS Miden Developer tools Innovation & design Polygon Knowledge Layer Polygon Knowledge Layer Home CDK CDK Overview Polygon zkEVM is designed to be EVM-equivalent rather than just compatible. Understanding these ports is crucial for network configuration and effective communication between nodes. This document provides details of the Etrog upgrade, which is Polygon zkEVM’s upgrade that succeeds the Dragonfruit upgrade. The whole design follows this philosophy of doing less on the Mainnet contract. Set up the environment ¶ Polygon PoS is an EVM-compatible, proof-of-stake sidechain for Ethereum, with high throughput and low costs. The signer wallet is an address that is used for signing Heimdall blocks, checkpoints, and other signing-related activities. Overview - Polygon Knowledge Layer. While L2s are their own chains, they are considered “extensions” of Ethereum. The Transactions subsection provides information about the EIP-1559 as it applies to how gas estimations and costs of transactions work on Polygon PoS. Below are some of the key features of CDK: Security: CDK builds high-performance, high-security, scalable L2s that utilize the latest innovations in zero-knowledge technology such as Plonky3 . We’re focused on providing mainstream users a gateway to the decentralized ecosystem. Pragmas are common instructions for compilers about how to treat the source code (e. Overview¶. Use the Polygon Portal to deposit and swap tokens between the Polygon zkEVM chain (or the Cardona zkEVM testnet) and other chains. 10. This document provides examples of token mappings on the Polygon PoS mainnet and Amoy testnet. The receiver contract inherits IStateReceiver , and custom logic sits inside onStateReceive function. We use cookies to recognize your repeated visits and preferences, as well as to measure the effectiveness of our documentation and whether users find what they're searching for. By design, it is being integrated into the core operations of major Polygon products and applications in the ecosystem. These logs in Bor mean that it cannot connect to Heimdall. Checkpoints are vital components of the Polygon network, representing snapshots of the Bor chain state. Plonky was Polygon’s original implementation of a zk-SNARK computational cryptographic library based on Plonk with some customizations. Feb 8, 2024 · The Polygon zkEVM prover now supports a Type 1 mode, allowing any existing EVM chain to become a ZK Layer 2 (L2) and connect to the AggLayer. This section of the documentation contains guides on how to connect wallets to the Polygon zkEVM network, deploy new or existing Ethereum smart contracts, and bridge assets between Polygon zkEVM and Ethereum. There are some configurable options that are available for all API’s. These instructions are for running a full Node, but they can be adapted for running sentry nodes and validators as well. The general configuration for running a Polygon full node is to have at least 4 CPUs/cores and 16 GB of RAM. This quick start guide shows you how to deploy a zkEVM rollup stack on your local machine. It operates as an EVM-compatible Layer-2 (L2) scaling solution for Ethereum, enhancing its throughput while also significantly bringing down gas costs, i. 5. Plonky 2 & 3 are active research efforts into the development of libraries containing performant cryptographic functions for use in zero-knowledge proof systems. Visit the Polygon Portal documentation page for guides on how to connect to and operate the Polygon Portal website The Polygon CDK Kurtosis package allows you to easily customize and instantiate all the components of a CDK chain. You can use the same methods to add Polygon zkEVM to your MetaMask wallet. It sets up and runs the following components: Torus is a user-friendly, secure, and non-custodial key management system for decentralized apps. It allows you to run Ethereum dApps in your browser without running a full Ethereum node. The procedure that makes it possible is: Validators on the Heimdall layer are listening for a particular event — StateSynced from a sender contract, as soon as the event is picked, the data that was passed in the event is written on the receiver contract. e. Gas fees¶. The difference between EVM-compatibility and EVM-equivalence is that; Solutions that are compatible support most of the existing applications, but sometimes with code changes. Heimdall is the heart of the Polygon PoS network. ChainList¶ Depending on the network profile that you want to add to your MetaMask wallet, use one of the following links to navigate to the respective ChainList page. Further on, are discussions on new and old types of transaction formats and how they are processed in Polygon PoS. Polygon zkEVM supports a majority of Ethereum EIPs, precompiles, and opcodes. Before committing new L2 state roots to the consensus contract, verification is essential. , transaction fees. The majority of snapshot providers have also outlined the steps that need to be followed to download and use their respective client snapshots. Proving and verification of transactions in Polygon zkEVM are all handled by a zero-knowledge prover component called the zkProver. Introduction. Jan 24, 2024 · As a central component of Polygon 2. This is the flow required from dapps / users to work with state-sync: Once the wallet is connected, the next step is to bridge crypto assets from Ethereum to zkEVM. Understand the CDK A high-level overview of the CDK, its features and benefits. It performs the following functions: Manages validators. Polygon CDK provides the components necessary to build a layer 2 blockchain that is secure, scalable, and interoperable with other chains. The design paradigm at Polygon has shifted to developing a zero-knowledge virtual machine that emulates the Ethereum Virtual Machine (EVM). This is an important milestone for Polygon PoS’s upgrade to a ZK secured chain. Jul 25, 2022 · Polygon zkEVM, which stands for zero-knowledge Ethereum Virtual Machine, leverages the power of zero-knowledge (ZK) proofs to reduce transaction costs and greatly increase throughput, all while inheriting the security of Ethereum. To begin, ensure that your node environment meets the prerequisites outlined here. You can try QRNG on the Polygon and Polygon zkEVM for free. It uses the Kurtosis tool to orchestrate the setup of the chain components in Docker containers, with logic defined in Starlark scripts (a Python dialect) which define the step-by-step process of setting up the chain. Click here to read more about API3 QRNG. Bor is an integral component of the Polygon network that operates based on principles derived from the Clique consensus protocol, detailed in EIP-225. Heimdall’s bor module is responsible for managing span intervals and coordinating interactions with the Bor chain. Get started with PoS Get started with building on Polygon PoS. Heimdall layer: A set of proof-of-stake Heimdall nodes running in parallel to the Ethereum mainnet, monitoring the set of staking contracts deployed on the Ethereum mainnet, and committing the Polygon PoS network checkpoints to the Ethereum mainnet. If you’re a new Web3 developer, it’s unlikely that you’ll need to run your own full node on Polygon. The Heimdall doesn’t look in sync and hence it won’t have data on all the things that Bor would require. Bor. The unified UI comes with a comprehensive dashboard that can be used by connecting your wallet via popular tools such as MetaMask, Coinbase, Bitski, Venly, WalletConnect, and more. Polygon zkEVM is to Ethereum a Layer 2 network and a scalability solution utilizing zero-knowledge technology to provide validation and fast finality of off-chain transactions. Token mapping Want to get a custom token mapped to Polygon PoS so it can be bridged over? In the context of ZK-proof protocols, a prover can use an Arithmetic circuit to prove knowledge of a valid assignment to all wires of the circuit. Apr 22, 2024 · The Polygon Ecosystem Token (POL) is the new native token of the Polygon ecosystem. Due to this, there is a change in how the transaction object is formed when sending transactions on Polygon. System requirements¶. And if the proof is correct, the verifier is convinced that the computation expressed as the Arithmetic circuit is valid, but learns nothing about the wires’ assigned values. This guide provides a curated list of common commands and Polygon-specific operations essential for node operators. Rollups vs. This document is a guide on how to deploy a smart contract on the Polygon zkEVM network using Hardhat. Cookie consent. The Portal can be used to perform a variety of tasks, such as: Change the value of Prometheus to true; Set the max_open_connections value to 100; Make sure you keep the proper formatting when you make the changes above. the information about transactions that occurred on the L2). It is a scaling-solution to Ethereum as it rolls up many transactions into one batch. EIP-1559. Heimdall¶. Retrying again in 5 seconds to fetch data from Heimdall path=bor/span/1¶. These checkpoints are attested by a majority of the validator set before being validated and submitted on Ethereum contracts. Heimdall and Bor. In terms of space, for a full node you’ll need from 2. Our goal is to establish a high-quality, curated, and comprehensive \"source of truth\" for technical knowledge surrounding Polygon's main technology. Available configurations are - Setup local zkNode. Whether you’re setting up a full node, validator node or troubleshooting, these commands will assist you in managing your Polygon PoS environment effectively. Be sure to select Layer 2 on the Filter menu on the left side of the page to list wallets that are compatible with Polygon networks. Polygon zkEVM is a zero-knowledge rollup (or zk-rollup) designed to emulate the Ethereum Virtual Machine. The London hard fork introduced a new EIP that modifies how gas estimation and costs work for transactions on Polygon. This guide provides an index of network details for the Polygon Amoy testnet and Polygon PoS mainnet, including their associated RPC and node endpoints. Although the Dragonfruit upgrade had some advantages over previous zkEVM versions, it has its own pain points. validiums¶. Polygon Chain Development Kit (CDK) is a modular, open-source blockchain stack for developers launching sovereign L2 chains powered by zero-knowledge (ZK) proofs. Configure service files for bor and heimdall¶ Execute transactions on Polygon PoS without changing provider on MetaMask (this tutorial caters to MetaMask’s in-page provider, can be modified to execute transactions from any other provider) Under the hood, user signs on an intent to execute a transaction, which is relayed by a simple relayer to execute it on a contract deployed on Polygon Polygon Portal. dApp Launchpad is an automated CLI tool for initializing, creating, and deploying a fully-integrated web3 dApp project. This guide provides a detailed list of default ports used across Polygon nodes, including Bor and Heimdall. Additional resources¶ Here are some additional developer resources. These batches are submitted to the L1, where their integrity is proved and verified before being included in the L1 state. CDK chains have full control over how gas fees are set for users, including what token to use for the native gas fees of the L2 chain, which is set to ETH by default. Owner and signer wallets¶. .
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