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

Are you trying to find the best solution to get blockchain knowledge 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 knowledge our APIs present, however by means of 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 displaying our eth_getTokenBalances technique in motion:

import fetch from ‘node-fetch’;

const choices = {
technique: ‘POST’,
headers: {
settle for: ‘utility/json’,
‘content-type’: ‘utility/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));

Operating the code above will return the ERC-20 balances of the required pockets. Right here’s an instance of what the output would possibly seem like:

{
//…
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 knowledge by way of RPC strategies doesn’t should be extra difficult than this when utilizing Moralis. For a extra detailed tutorial, comply with together with this information or go to our Prolonged RPC Strategies documentation web page.

Excited to begin utilizing our Prolonged RPC Strategies? Join with Moralis right this moment! 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 characteristic standardized strategies, permitting builders to seamlessly learn and write blockchain knowledge. Nevertheless, customary RPC strategies are sometimes fairly restricted, not permitting for widespread queries like “What ERC-20 tokens are pockets X holding?” To get this data, it’s essential to 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 mean you can question decoded, human-readable blockchain knowledge seamlessly utilizing RPC-style strategies: fetch ERC-20 balances, token costs, metadata, and way more with single calls.

However how does this work? For those who’d wish 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 permit one software program system to name and request a service from one other software program system on a distinct laptop. 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 characteristic predefined strategies, resembling eth_getUncleByBlockHashAndIndex. These so-called RPC strategies mean you can seamlessly carry out numerous operations, resembling studying blockchain knowledge, sending transactions, and managing wallets.

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

eth_blockNumber: Returns the variety of the latest block.

eth_call: Executes a brand new message name.

eth_chainId: Returns the present chain ID.

eth_getBalance: Returns the stability of an account.

eth_gasPrice: Returns the present fuel value.

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

Exploring the Limitations of Normal RPC Strategies

Whereas RPC protocols simplify dapp improvement, they arrive with vital limitations that you must contemplate. Usually, customary RPC strategies solely present fundamental blockchain knowledge. As such, widespread RPC strategies will not be designed to deal with queries resembling, “What ERC-20 tokens does pockets X maintain?”

To acquire this type of data utilizing standard RPC strategies, builders should make a number of requests and manually compile the information. This course of is cumbersome and time-consuming, demanding appreciable improvement effort and assets.

To handle 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 by means of RPC-style strategies. These superior strategies simplify the method of querying decoded, human-readable knowledge, streamlining your Web3 developer expertise.

What do Moralis’ Enhanced RPC Strategies embrace?

eth_getTransactions: Get all native transactions for a given pockets.

eth_getDecodedTransactions: Receive an in depth transaction historical past for a selected pockets deal with.

eth_getTokenBalances: Retrieve ERC-20 token balances for a given pockets deal with.

eth_getTokenPrice: Fetch present costs for ERC-20 tokens.

eth_getTokenMetadata: Receive metadata for ERC-20 tokens.

eth_getNFTBalances: Fetch all NFTs held by a pockets.

eth_getNFTCollections: Receive all NFT collections owned by a selected pockets deal with.

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

3-Step Tutorial: How one can Get All Blockchain Information by way of Prolonged RPC Strategies

Now, with an outline of what Moralis’ Prolonged RPC Strategies entail, we’ll present you the best way to use them in apply. Extra particularly, we’ll display how one can get the token stability for any given pockets in three easy steps:

Join with Moralis & create a node

Write a script

Execute the code

Step 1: Signal Up with Moralis & Create a Node

For those who 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:

Red arrows pointing at "Nodes" tab and "+ Create Node" button.

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

"Ethereum" and "Mainnet" selected when creating node.

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

Red arrows pointing at copy button for node URLs.

Step 2: Write a Script

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

npm init

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

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

Subsequent, open package deal.json and add “kind”: “module” to the file:

Type: module highlighted in code editor.

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

import fetch from ‘node-fetch’;

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

From right here, you must make some minor configurations. First, add the node URL you copied throughout step one by changing YOUR_NODE_URL. Subsequent, configure the deal with 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 challenge and run the next terminal command:

node index.js

In return, you’ll get the token balances of the required deal with, enriched with logos, spam indicators, and way more. Right here’s what it would seem like:

That’s it! Fetching knowledge utilizing Moralis’ Prolonged RPC Strategies doesn’t should 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 here are three widespread use instances for our enhanced RPC strategies, offering the identical knowledge as our highly effective APIs:

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

Transaction Histories: Entry transaction histories for any deal with by means of streamlined RPC calls.

Token Costs: Receive real-time token costs instantly from decentralized exchanges (DEXs) effortlessly.

With this complete knowledge, 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 affords a various suite of use case-specific APIs, together with the Pockets API, Token API, Streams API, and plenty 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 knowledge with fewer calls. This lets you get pleasure from a seamless developer expertise, enabling you to construct dapps sooner and extra effectively.

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

Safe: Moralis is SOC 2 Kind 2 licensed, guaranteeing enterprise-grade knowledge 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 improvement course of!

Moralis’ Web3 API Suite

Our complete suite of Web3 APIs consists of over ten distinct interfaces designed to satisfy numerous use instances. Whereas this information received’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 affords a complete suite of options, unmatched flexibility, and distinctive scalability, making it the last word device for pockets builders. Use this interface to entry any pockets’s historical past, token balances, DeFi positions, and way more!

Supporting hundreds of thousands of addresses throughout all main chains, together with Ethereum, Polygon, Base, Optimism, and plenty of extra, the Pockets API permits you to seamlessly combine pockets knowledge into your dapp, whatever the platform you’re constructing on.

To display the facility of the Pockets API, right here’s how straightforward it’s to fetch a pockets’s transaction historical past:

import fetch from ‘node-fetch’;

const choices = {
technique: ‘GET’,
headers: {
settle for: ‘utility/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));

Operating the above script supplies you with the whole transaction historical past of the required pockets, enriched with human-readable class tags, summaries, deal with labels, and extra for every occasion. Right here’s an instance of what it would seem like:

{
//…
“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 device for fetching and integrating ERC-20 knowledge into your Web3 tasks. With this premier interface, you may seamlessly retrieve token balances, costs, metadata, homeowners, and way 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 permits you to effortlessly construct cross-chain token explorers, portfolio trackers, and extra.

To display the facility of the Token API, we’ll present you the best way to fetch token balances with costs for any pockets:

import fetch from ‘node-fetch’;

const choices = {
technique: ‘GET’,
headers: {
settle for: ‘utility/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 offered script, you’ll obtain the token balances of the pockets, enriched with costs, value modifications over time, and different metadata. Right here’s an instance of what the response will seem like:

{
//…
“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 supplies complete NFT knowledge at your fingertips. With only a few strains 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 growing NFT marketplaces, Web3 video games, or related platforms, this API is a necessary device.

To display 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: ‘utility/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));

Operating this script will return the metadata for the required 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 Information API, and others!

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

RPC stands for “Distant Process Name,” and within the context of Web3, it refers to communication protocols that permit dapps to speak with blockchain networks. There are customary RPC protocols that characteristic RPC strategies. Nevertheless, conventional RPC strategies are sometimes restricted, offering solely fundamental on-chain knowledge. As an illustration, you may’t use standard RPC strategies to simply get the ERC-20 stability of a pockets. To get complete knowledge like this, you’d sometimes must make a number of requests and decode the knowledge manually. Thankfully, we provide a streamlined resolution: Prolonged RPC Strategies!

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

eth_getTransactions: Retrieve the transactions for a pockets deal with.

eth_getDecodedTransactions: Receive detailed transaction historical past for a pockets deal with.

eth_getTokenBalances: Retrieve ERC-20 token balances for a pockets deal with.

eth_getTokenPrice: Fetch present costs for ERC-20 tokens.

eth_getTokenMetadata: Receive metadata for ERC-20 tokens by their addresses.

eth_getNFTBalances: Retrieve NFTs held by a pockets.

eth_getNFTCollections: Receive NFT collections owned by a pockets deal with.

All in all, our Prolonged RPC Strategies enhance our node resolution, supplying 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 knowledge straight out of your Moralis nodes!

For those who loved studying about our Prolonged RPC Strategies, discover extra content material on our weblog. As an illustration, try our guides on:

Prepared to make use of our Prolonged RPC Strategies to get the identical enhanced knowledge our APIs present, however by way of RPC-style requests? Join with Moralis free of charge and achieve instantaneous entry to our improvement instruments!

Source link