Extended RPC Methods – Get All Blockchain Data via RPC Methods – Moralis for Developers

Are you looking for the best option to get blockchain information utilizing RPC strategies? Look no additional. On this information, we’ll introduce you to Moralis’ Prolonged RPC Strategies, enabling you to question the identical enhanced, human-readable information our APIs present, however via RPC-style requests. This consists of ERC-20 balances, transaction histories, token metadata, and extra. Prepared to leap into the code? Right here’s a script exhibiting our eth_getTokenBalances technique in motion:

import fetch from 'node-fetch';

const choices = {
 technique: 'POST',
 headers: {
   settle for: 'software/json',
   'content-type': 'software/json'
 },
 physique: JSON.stringify({
   "jsonrpc": "2.0",
   "id": 1,
   "technique": "eth_getTokenBalances",
   "params": [
     {
       "address": "0xcB1C1FdE09f811B294172696404e88E658659905",
     }
   ]
 })
};

fetch('YOUR_NODE_URL', choices)
 .then(response => response.json())
 .then(response => console.log(response))
 .catch(err => console.error(err));

Working the code above will return the ERC-20 balances of the desired pockets. Right here’s an instance of what the output would possibly appear to be:

 {
  //...
  end result: [
    {
      token_address: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
      name: 'Wrapped Ether',
      symbol: 'WETH',
      decimals: 18,
      logo: 'https://logo.developers.moralis.com/0x1_0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2_a578c5277503e547a072ae32517254ca',
      thumbnail: 'https://logo.developers.moralis.com/0x1_0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2_a578c5277503e547a072ae32517254ca',
      balance: '10000000000000000',
      possible_spam: false,
      verified_contract: true,
      total_supply: '2746607222348759943423350',
      total_supply_formatted: '2746607.22234875994342335',
      percentage_relative_to_total_supply: 3.64085549569e-7
    },
    //...
  ]
}

Fetching blockchain information by way of RPC strategies doesn’t must be extra difficult than this when utilizing Moralis. For a extra detailed tutorial, observe together with this information or go to our Extended RPC Methods documentation web page.

Excited to start out utilizing our Prolonged RPC Strategies? Enroll with Moralis immediately! Create a free account to entry our Prolonged RPC Strategies, RPC Nodes, and premier APIs instantly.

Overview

Within the context of Web3, RPC refers to communication protocols that streamline the interplay between decentralized functions (dapps) and blockchain networks. There are a number of RPC protocols, and so they function standardized strategies, permitting builders to seamlessly learn and write blockchain information. Nevertheless, normal RPC strategies are sometimes fairly restricted, not permitting for widespread queries like “What ERC-20 tokens are pockets X holding?” To get this data, you could make a number of requests and join the dots your self. Thankfully, now you can circumvent these challenges with Moralis’ Prolonged RPC Strategies.

Our Prolonged RPC Strategies assist you to question decoded, human-readable blockchain information seamlessly utilizing RPC-style strategies: fetch ERC-20 balances, token costs, metadata, and far more with single calls.

However how does this work? Should you’d prefer to be taught extra, be a part of us on this information as we lay all of it out for you. Let’s dive straight in!

What are RPC Strategies? 

RPC, quick for “Distant Process Name,” refers to communication protocols that enable one software program system to name and request a service from one other software program system on a unique pc. On the planet of crypto, RPC allows dapps and different Web3 platforms (shoppers) to work together with a blockchain community (server).

There are standardized protocols, one instance being JSON-RPC, that function predefined strategies, akin to eth_getUncleByBlockHashAndIndex. These so-called RPC strategies assist you to seamlessly carry out numerous operations, akin to studying blockchain information, sending transactions, and managing wallets.

Here’s a record of widespread RPC strategies for Ethereum:

• eth_blockNumber: Returns the variety of the newest block.
• eth_call: Executes a brand new message name.
• eth_chainId: Returns the present chain ID.
• eth_getBalance: Returns the steadiness of an account.
• eth_gasPrice: Returns the present gasoline worth.

General, RPC strategies simplify interplay with blockchain networks, facilitating the easy growth of dapps and different Web3 tasks.

Exploring the Limitations of Commonplace RPC Strategies

Whereas RPC protocols simplify dapp growth, they arrive with vital limitations that that you must take into account. Sometimes, normal RPC strategies solely present primary blockchain information. As such, widespread RPC strategies should not designed to deal with queries akin to, “What ERC-20 tokens does pockets X maintain?”

To acquire this type of data utilizing typical RPC strategies, builders should make a number of requests and manually compile the info. This course of is cumbersome and time-consuming, demanding appreciable growth effort and sources.

To deal with these challenges, Moralis introduces Prolonged RPC Strategies. However what precisely are these strategies, and the way do they profit builders?

Discover out within the subsequent part!

Introducing Moralis’ Prolonged RPC Strategies

Our Prolonged RPC Strategies considerably enhance our node resolution, delivering the identical enhanced functionalities present in Moralis’ APIs, however via RPC-style strategies. These superior strategies simplify the method of querying decoded, human-readable information, streamlining your Web3 developer expertise.

What do Moralis’ Enhanced RPC Strategies embrace?

• eth_getTransactions: Get all native transactions for a given pockets.
• eth_getDecodedTransactions: Acquire an in depth transaction historical past for a selected pockets handle.
• eth_getTokenBalances: Retrieve ERC-20 token balances for a given pockets handle.
• eth_getTokenPrice: Fetch present costs for ERC-20 tokens.
• eth_getTokenMetadata: Acquire metadata for ERC-20 tokens.
• eth_getNFTBalances: Fetch all NFTs held by a pockets.
• eth_getNFTCollections: Acquire all NFT collections owned by a selected pockets handle.

In abstract, Moralis’ Enhanced RPC Strategies considerably lengthen the capabilities of our nodes, giving you an identical enhanced information you’d get utilizing our APIs, however by way of RPC-style requests!

3-Step Tutorial: Easy methods to Get All Blockchain Knowledge by way of Prolonged RPC Strategies

Now, with an summary of what Moralis’ Prolonged RPC Strategies entail, we’ll present you easy methods to use them in follow. Extra particularly, we’ll exhibit how one can get the token steadiness for any given pockets in three easy steps:

1. Enroll with Moralis & create a node
2. Write a script
3. Execute the code

Step 1: Signal Up with Moralis & Create a Node

Should you haven’t already, click on the “Begin for Free” button on the prime proper to enroll with Moralis:

When you log in, go to the “Nodes” tab and click on the “+ Create Node” button:

Choose “Ethereum,” adopted by “Mainnet,” and hit “Create Node”:

Copy considered one of your node URLs and maintain it for now, as you’ll want it within the subsequent step:

Step 2: Write a Script

Open your most well-liked IDE, arrange a brand new folder, and initialize a venture with the terminal command under: 

npm init

As soon as initialized, set up the required dependencies utilizing the supplied terminal command:

npm set up node-fetch --save
npm set up moralis @moralisweb3/common-evm-utils

Subsequent, open bundle.json and add "sort": "module" to the file: 

After that, create an “index.js” file and insert the supplied code: 

import fetch from 'node-fetch';

const choices = {
 technique: 'POST',
 headers: {
   settle for: 'software/json',
   'content-type': 'software/json'
 },
 physique: JSON.stringify({
   "jsonrpc": "2.0",
   "id": 1,
   "technique": "eth_getTokenBalances",
   "params": [
     {
       "address": "0xcB1C1FdE09f811B294172696404e88E658659905",
     }
   ]
 })
};

fetch('YOUR_NODE_URL', choices)
 .then(response => response.json())
 .then(response => console.log(response))
 .catch(err => console.error(err));

From right here, that you must make some minor configurations. First, add the node URL you copied throughout step one by changing YOUR_NODE_URL. Subsequent, configure the handle parameter to suit your question:

That’s it for the code. All that is still now could be to execute the script.

Step 3: Execute the Code

To run the code, navigate to the foundation folder of the venture and run the next terminal command:

node index.js

In return, you’ll get the token balances of the desired handle, enriched with logos, spam indicators, and far more. Right here’s what it would appear to be:

 {
  //...
  end result: [
    {
      token_address: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
      name: 'Wrapped Ether',
      symbol: 'WETH',
      decimals: 18,
      logo: 'https://logo.developers.moralis.com/0x1_0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2_a578c5277503e547a072ae32517254ca',
      thumbnail: 'https://logo.developers.moralis.com/0x1_0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2_a578c5277503e547a072ae32517254ca',
      balance: '10000000000000000',
      possible_spam: false,
      verified_contract: true,
      total_supply: '2746607222348759943423350',
      total_supply_formatted: '2746607.22234875994342335',
      percentage_relative_to_total_supply: 3.64085549569e-7
    },
    //...
  ]
}

That’s it! Fetching information utilizing Moralis’ Prolonged RPC Strategies doesn’t must be more difficult than that!

Prolonged RPC Strategies Use Instances

Our Prolonged RPC Strategies considerably enhance the Web3 developer expertise, enabling you to construct a variety of dapps effortlessly. Listed below are three widespread use circumstances for our enhanced RPC strategies, offering the identical information as our highly effective APIs:

• Token Balances: Retrieve token balances for any pockets with a single name, eliminating the necessity for guide information aggregation.

• Transaction Histories: Entry transaction histories for any handle via streamlined RPC calls.

• Token Costs: Acquire real-time token costs straight from decentralized exchanges (DEXs) effortlessly.

With this complete information, you may develop the whole lot from cryptocurrency wallets to token explorers with minimal effort!

Past Prolonged RPC Strategies – Exploring the Ins & Outs of Moralis’ Web3 APIs

Along with our enhanced RPC strategies, Moralis presents a various suite of use case-specific APIs, together with the Pockets API, Token API, Streams API, and lots of extra. These premier interfaces allow you to effortlessly construct the whole lot from Web3 wallets to token explorers.

Why select Moralis’ APIs?

• Complete: Moralis’ Web3 APIs are outcome-focused, offering extra information with fewer calls. This lets you take pleasure in a seamless developer expertise, enabling you to construct dapps quicker and extra effectively.

• Cross-Chain: We assist full function parity throughout over 30 blockchain networks, together with Ethereum, Polygon, Base, Optimism, and lots of others. With Moralis, one supplier covers all of your information wants.

• Safe: Moralis is SOC 2 Sort 2 licensed, guaranteeing enterprise-grade information safety in your functions.

Let’s dive deeper into our API suite to discover the capabilities of our premier interfaces and the way they’ll empower your growth course of!

Moralis’ Web3 API Suite

Our complete suite of Web3 APIs consists of over ten distinct interfaces designed to satisfy numerous use circumstances. Whereas this information gained’t cowl all of them, we’ll spotlight three key examples:

• Pockets API
• Token API
• NFT API

Let’s begin with an in-depth have a look at our Pockets API!

Pockets API

The Pockets API presents a complete suite of options, unmatched flexibility, and distinctive scalability, making it the last word instrument for pockets builders. Use this interface to entry any pockets’s historical past, token balances, DeFi positions, and far more!

Supporting hundreds of thousands of addresses throughout all main chains, together with Ethereum, Polygon, Base, Optimism, and lots of extra, the Pockets API means that you can seamlessly combine pockets information into your dapp, whatever the platform you’re constructing on.

To exhibit the ability of the Pockets API, right here’s how simple it’s to fetch a pockets’s transaction historical past:

import fetch from 'node-fetch';

const choices = {
 technique: 'GET',
 headers: {
   settle for: 'software/json',
   'X-API-Key': 'YOUR_API_KEY'
 },
};

fetch(
 'https://deep-index.builders.moralis.com/api/v2.2/wallets/0xda74Ac6b69Ff4f1B6796cdDf61fBDd4A5f68525f/historical past?chain=eth&order=DESC',
 choices
)
 .then((response) => response.json())
 .then((response) => console.log(response))
 .catch((err) => console.error(err));

Working the above script gives you with the entire transaction historical past of the desired pockets, enriched with human-readable class tags, summaries, handle labels, and extra for every occasion. Right here’s an instance of what it would appear to be:

{
  //...
  "end result": [
    {
      "hash": "0xc565260238f59fc3f35b74f3011375c7d637db9b075f77d342c30d19f946272e",
      "nonce": "14",
      "transaction_index": "75",
      "from_address": "0xda74ac6b69ff4f1b6796cddf61fbdd4a5f68525f",
      "from_address_label": null,
      "to_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "to_address_label": "Tether USD (USDT)",
      "value": "0",
      "gas": "55331",
      "gas_price": "13623172301",
      "receipt_cumulative_gas_used": "13917979",
      "receipt_gas_used": "41309",
      "receipt_status": "1",
      "block_timestamp": "2024-05-14T14:00:23.000Z",
      "block_number": "19868695",
      "block_hash": "0x660274d577cd20b0b82c1bff5f3c5641ba6027544e005f9256d5add9c7447920",
      "transaction_fee": "0.000562759624582009",
      "nft_transfers": [],
      "erc20_transfers": [
        {
          "token_name": "Tether USD",
          "token_symbol": "USDT",
          "token_logo": "https://logo.developers.moralis.com/0x1_0xdac17f958d2ee523a2206206994597c13d831ec7_0b0d126af6c744c185e112a2c8dc1495",
          "token_decimals": "6",
          "from_address": "0xda74ac6b69ff4f1b6796cddf61fbdd4a5f68525f",
          "from_address_label": null,
          "to_address": "0x28c6c06298d514db089934071355e5743bf21d60",
          "to_address_label": "Binance 14",
          "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
          "log_index": 338,
          "value": "50000000000",
          "possible_spam": false,
          "verified_contract": true,
          "direction": "send",
          "value_formatted": "50000"
        }
      ],
      "method_label": null,
      "native_transfers": [],
      "abstract": "Despatched 50,000 USDT to Binance 14",
      "possible_spam": false,
      "class": "token ship"
    },
    //...
  ]
}

Token API

Moralis’ Token API is your important instrument for fetching and integrating ERC-20 information into your Web3 tasks. With this premier interface, you may seamlessly retrieve token balances, costs, metadata, homeowners, and far more.

The Token API covers each single token throughout all main chains, together with stablecoins like USDT, meme cash like Shiba Inu, LP tokens, and the whole lot in between. This complete protection means that you can effortlessly construct cross-chain token explorers, portfolio trackers, and extra.

To exhibit the ability of the Token API, we’ll present you easy methods to fetch token balances with costs for any pockets:

import fetch from 'node-fetch';

const choices = {
  technique: 'GET',
  headers: {
    settle for: 'software/json',
    'X-API-Key': 'YOUR_API_KEY'
  },
};

fetch('https://deep-index.builders.moralis.com/api/v2.2/wallets/0xcB1C1FdE09f811B294172696404e88E658659905/tokens?chain=eth', choices)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

By working the supplied script, you’ll obtain the token balances of the pockets, enriched with costs, worth adjustments over time, and different metadata. Right here’s an instance of what the response will appear to be:

{
  //...
  "end result": [
    {
      "token_address": "0xae7ab96520de3a18e5e111b5eaab095312d7fe84",
      "symbol": "stETH",
      "name": "Liquid staked Ether 2.0",
      "logo": "https://logo.developers.moralis.com/0x1_0xae7ab96520de3a18e5e111b5eaab095312d7fe84_cd0f5053ccb543e08f65554bf642d751",
      "thumbnail": "https://logo.developers.moralis.com/0x1_0xae7ab96520de3a18e5e111b5eaab095312d7fe84_cd0f5053ccb543e08f65554bf642d751",
      "decimals": 18,
      "balance": "61135846911533523",
      "possible_spam": false,
      "verified_contract": true,
      "total_supply": "9788873903061556217474312",
      "total_supply_formatted": "9788873.903061556217474312",
      "percentage_relative_to_total_supply": 6.2454422763e-7,
      "balance_formatted": "0.061135846911533523",
      "usd_price": 2731.4812583950234,
      "usd_price_24hr_percent_change": 2.9851365470017,
      "usd_price_24hr_usd_change": 79.1749645169798,
      "usd_value": 166.99142005496108,
      "usd_value_24hr_usd_change": 4.840428509936174,
      "native_token": false,
      "portfolio_percentage": 44.16600478357348
    },
    //...
  ]
}

NFT API

The NFT API gives complete NFT information at your fingertips. With only a few traces of code, you may entry NFT balances, up-to-date metadata, costs, picture previews, and extra.

Moralis’ NFT API helps hundreds of thousands of NFT collections throughout all main blockchain networks, from well-known tasks like CryptoPunks to newly minted tokens. Whether or not you’re creating NFT marketplaces, Web3 video games, or related platforms, this API is a necessary instrument.

To exhibit the benefit of use, right here’s a script that fetches NFT metadata effortlessly:

import fetch from 'node-fetch';

const choices = {
  technique: 'GET',
  headers: {
    settle for: 'software/json',
    'X-API-Key': 'YOUR_API_KEY'
  },
};

fetch('https://deep-index.builders.moralis.com/api/v2.2/nft/0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB/1?chain=eth', choices)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

Working this script will return the metadata for the desired NFT, which can look one thing like this:

{
  "quantity": "1",
  "token_id": "1",
  "token_address": "0xb47e3cd837ddf8e4c57f05d70ab865de6e193bbb",
  "contract_type": "CRYPTOPUNKS",
  "owner_of": "0xffa914c83d851b9fe372e4ba6a6e131373aa16ab",
  "last_metadata_sync": "2024-08-10T14:39:45.042Z",
  "last_token_uri_sync": "2024-08-10T14:39:44.622Z",
  "metadata": "{"picture":"https://www.larvalabs.com/cryptopunks/cryptopunk001.png","title":"CryptoPunk 001","attributes":["Smile","Mohawk"],"description":"Male"}",
  "block_number": "16079985",
  "block_number_minted": null,
  "title": "CRYPTOPUNKS",
  "image": "Ͼ",
  "token_hash": "a99d02058e62e327e79aabd57e0b88a3",
  "token_uri": "Invalid uri",
  "minter_address": null,
  "rarity_rank": 7247,
  "rarity_percentage": 72.47,
  "rarity_label": "Prime 73%",
  "verified_collection": true,
  "possible_spam": false,
  "collection_logo": "https://i.seadn.io/gae/BdxvLseXcfl57BiuQcQYdJ64v-aI8din7WPk0Pgo3qQFhAUH-B6i-dCqqc_mCkRIzULmwzwecnohLhrcH8A9mpWIZqA7ygc52Sr81hE?w=500&auto=format",
  "collection_banner_image": "https://i.seadn.io/gae/48oVuDyfe_xhs24BC2TTVcaYCX7rrU5mpuQLyTgRDbKHj2PtzKZsQ5qC3xTH4ar34wwAXxEKH8uUDPAGffbg7boeGYqX6op5vBDcbA?w=500&auto=format"
}

Go to the official Web3 API web page for extra data on our interfaces, together with the Blockchain API, Streams API, Market Knowledge API, and others!

Abstract: Prolonged RPC Strategies – Get All Blockchain Knowledge by way of RPC Strategies

RPC stands for “Distant Process Name,” and within the context of Web3, it refers to communication protocols that enable dapps to speak with blockchain networks. There are normal RPC protocols that function RPC strategies. Nevertheless, conventional RPC strategies are sometimes restricted, offering solely primary on-chain information. For example, you may’t use typical RPC strategies to simply get the ERC-20 steadiness of a pockets. To get complete information like this, you’d sometimes have to make a number of requests and decode the data manually. Thankfully, we provide a streamlined resolution: Prolonged RPC Strategies!

Our Prolonged RPC Strategies ship the identical enhanced performance supplied by our APIs however by way of RPC-style requests. With these, you may seamlessly question ERC-20 balances, token costs, metadata, and far more utilizing single calls. Listed below are a few of our prime strategies:

• eth_getTransactions: Retrieve the transactions for a pockets handle.
• eth_getDecodedTransactions: Acquire detailed transaction historical past for a pockets handle.
• eth_getTokenBalances: Retrieve ERC-20 token balances for a pockets handle.
• eth_getTokenPrice: Fetch present costs for ERC-20 tokens.
• eth_getTokenMetadata: Acquire metadata for ERC-20 tokens by their addresses.
• eth_getNFTBalances: Retrieve NFTs held by a pockets.
• eth_getNFTCollections: Acquire NFT collections owned by a pockets handle.

All in all, our Prolonged RPC Strategies enhance our node resolution, providing you with entry to the identical enhanced performance that you’d get with our APIs however by way of RPC-style requests. In return, you may question decoded, human-readable information straight out of your Moralis nodes!

Should you loved studying about our Prolonged RPC Strategies, discover extra content material on our weblog. For example, try our guides on:

Prepared to make use of our Prolonged RPC Strategies to get the identical enhanced information our APIs present, however by way of RPC-style requests? Enroll with Moralis without spending a dime and acquire prompt entry to our growth instruments!