Polygon has emerged as a pivotal player in the Ethereum scaling landscape, offering a suite of solutions that enhance transaction throughput and reduce costs. Its ecosystem, comprising various chains, provides developers and users with versatile tools to build and interact with decentralized applications (dApps). To interact with the ecosystem, the knowledge of Polygon RPC nodes is crucial, so let’s dive into this topic.
Polygon ecosystem and chains
The Polygon ecosystem includes several chains designed to address Ethereum’s scalability challenges.
- Polygon PoS: The most widely adopted chain, it operates as a sidechain to Ethereum, offering faster and cheaper transactions.​
- Polygon zkEVM: A Layer 2 solution that leverages zero-knowledge proofs to ensure security and scalability that is compatible with Ethereum infrastructure.​
Both chains utilize the POL token (formerly MATIC) for transaction fees and network participation.​
POL (MATIC) token
The POL token serves as the primary utility token within the Polygon ecosystem.
It is used to:​
- Pay for gas fees on both Polygon PoS and zkEVM.​
- Participate in network consensus mechanisms, allowing users to earn rewards.​
Validator node operators get rewards using staking, but developers need another type of node: RPC (Remote Procedure Call) nodes. You can read more info here, and now let’s explore which nodes are present in Polygon.
Polygon node types
Polygon supports various node types, each serving distinct purposes:
- Light nodes store minimal blockchain data and rely on full nodes for information. They are suitable for devices with limited storage and processing capabilities.​
- Full nodes maintain a complete copy of the blockchain’s current state, validating transactions and blocks.
- Archive nodes retain all historical blockchain data, which is useful for research and deep analytics purposes
Polygon also uses specific services like Bor and Heimdall for block validation. Running a full or archive node requires significant storage and computational resources.​ Only full nodes can serve as RPC nodes.
Setting up the POL (MATIC) RPC
For developers aiming to build on Polygon, setting up a remote procedure call endpoint is essential. This allows dApps to communicate with the blockchain.
Polygon RPC node requirements
To run a full Polygon node, the following hardware specifications are recommended:
- RAM: 32–64 GB​
- CPU: 8–16 cores​
- Storage: 2.5–5 TB SSD​
- Bandwidth: 100 Mbps — 1 Gbps​
These requirements ensure efficient processing and synchronization with the network.​
Installing the software
Polygon nodes consist of two main components:
- Heimdall: A consensus layer based on Tendermint, responsible for validator management and checkpointing.
- Bor: A block producer based on Geth, handling transaction execution and block production.
Installation can be performed using official Docker images or binaries provided by Polygon.​
Maintaining the node
Regular maintenance is crucial for node performance:
- Monitoring: Keep an eye on node health, ensuring services like Heimdall and Bor are running smoothly.​
- Updates: Stay updated with the latest software releases to benefit from performance improvements and security patches.​
- Synchronization: Ensure the node remains in sync with the network to provide accurate data.​
As you’ll see, often it’s much more convenient to use an RPC node provider than installing your own node.
Saving time and money with GetBlock
Setting up and maintaining a Polygon node can be resource-intensive. GetBlock offers a solution by providing instant access to Polygon RPC nodes via their API services. See here for details
Benefits of using GetBlock include:
- Cost-efficiency: Eliminate the need for expensive hardware and maintenance costs.​
- Time-savings: Avoid the complexities of node setup and management.​
- Scalability: Easily scale the application without worrying about infrastructure limitations.​
- Reliability: Benefit from high uptime and low latency, ensuring seamless performance.​
GetBlock supports various protocols, including JSON-RPC, REST, and WebSockets, catering to diverse development needs.​
