Web3

How to Query Blockchain Data for Transactions, Balances, and More 

Right this moment’s article will present you the way to seamlessly question blockchain knowledge, together with transactions, balances, and many others. Moreover, we are going to question the blockchain for particular knowledge utilizing Moralis, the Web3 {industry}’s main blockchain API supplier! With Moralis’ premier growth instruments, you possibly can effortlessly fetch on-chain knowledge with solely single strains of code. 

In case you’re keen to get going and instantly need to question blockchain knowledge, take a look at the endpoints under for fetching transactions, balances, and token costs: 

  • getWalletTransactions() – Query all native transactions of any pockets:
const response = await Moralis.EvmApi.transaction.getWalletTransactions({
  "chain": "0x1",
  "address": "0x1f9090aaE28b8a3dCeaDf281B0F12828e676c326"
});
  • getNativeBalance() – Get the native stability of any handle: 
const response = await Moralis.EvmApi.stability.getNativeBalance({
  "chain": "0x1",
  "address": "0xDC24316b9AE028F1497c275EB9192a3Ea0f67022"
});
  • getTokenPrice() – Fetch the value of any token: 
const response = await Moralis.EvmApi.token.getTokenPrice({
  "chain": "0x1",
  "address": "0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0"
});

In case you’d like to discover different endpoints and study extra about Moralis’ premier suite of Web3 APIs, be a part of us on this information as we present you the way to question blockchain knowledge with ease! 

Additionally, if you want to comply with alongside on this article, don’t overlook to join with Moralis. You possibly can create an account for free, and you’ll get immediate entry to our industry-leading Web3 APIs!

Overview

In right this moment’s article, we’ll kick issues off by exploring the ins and outs of blockchain knowledge. From there, we’ll then introduce you to Moralis – the {industry}’s main Web3 API supplier. Subsequent, utilizing our premier APIs, we’ll present you the way to question and fetch blockchain transactions and transfers, pockets balances, token costs, and block and sensible contract knowledge. Lastly, to high issues off, we’re going to discover some distinguished use circumstances for if you want blockchain knowledge. 

If this sounds thrilling, be a part of us within the following part as we begin by exploring the intricacies of blockchain knowledge! 

What’s Blockchain Data? 

Blockchain knowledge – additionally generally referred to as ”on-chain knowledge” – refers to all of the publicly accessible info saved on networks like Ethereum, BNB Good Chain (BSC), and Polygon. With this info, it’s potential to observe the motion of belongings, confirm transactions, and generate superior market insights via blockchain knowledge analytics. Consequently, blockchain knowledge performs an integral function within the strategy of constructing dapps and different Web3 tasks!

Graphic art design illustration showing blockchain data being queried by a developer

There are three essential forms of blockchain knowledge: 

  • Transaction Data: Transaction knowledge is details about every transaction on a blockchain community, together with sender and receiver addresses, switch charges, transaction quantities, and many others. 
  • Block Data: Block knowledge is info relating to every block in a sequence. For instance, this contains hashes, transactions, time stamps, miner charges, and extra. 
  • Good Contract Data: Good contract knowledge is all of the details about sensible contracts deployed to a blockchain community. This contains the contract code, state, logs, and emitted occasions.

All in all, blockchain knowledge is all of the publicly accessible info saved on networks like Ethereum, BSC, Polygon, and many others.

How is Data Queried from Blockchains? 

Blockchain knowledge on networks like Ethereum, BSC, and Polygon is publicly accessible, which means anybody can question this info. Nonetheless, how precisely does this work? 

Properly, when it comes to fetching on-chain knowledge, you may have just a few choices: 

  • Run a Node: Your first possibility for getting blockchain knowledge is to host a node your self. This allows you to work together instantly with a blockchain community to question knowledge, execute transactions, and deploy sensible contracts. 
  • Block Explorers: Your second possibility is to use a block explorer. Block explorers are web-based platforms that enable you to seamlessly learn all transactions saved on a community. Some distinguished examples embrace Etherscan, PolygonScan, BscScan, and many others.
  • Web3 APIs: The ultimate possibility is to use Web3 APIs. A Web3 API – brief for ”utility programming interface” – is a set of protocols, guidelines, and strategies permitting you to seamlessly work together with a community to, for occasion, question blockchain knowledge.
Illustration of how data in a blockchain is connected

Whereas all the above choices are legitimate strategies for fetching blockchain knowledge, they’ve their respective benefits and disadvantages. For example, working a node and querying info from it requires an underlying infrastructure, which is a tedious and time-consuming process to arrange. Additionally, whereas block explores present web-based interfaces permitting you to browse and search a blockchain, they aren’t designed for programmatic entry or knowledge integration into dapps.

Consequently, when it comes to Web3 growth, the perfect and simplest way to question blockchain knowledge is to use APIs! 

However the place do you discover the perfect Web3 APIs? 

In case you’re trying for the reply to this query, be a part of us under as we introduce you to the {industry}’s main Web3 API supplier – Moralis!

The perfect and simplest way to question blockchain knowledge is to use Moralis. Moralis is the {industry}’s main blockchain API supplier, and our intensive set of premier growth instruments at present powers blockchain functions for hundreds of thousands of finish customers throughout the globe! 

Marketing banner: Query Blockchain Data and Build Web3 Projects Today Using Moralis

In Moralis’ suite of Web3 growth instruments, you’ll discover greater than ten APIs for numerous use circumstances. With these APIs, you possibly can seamlessly question blockchain knowledge for transactions, balances, and extra with solely single strains of code. Consequently, when utilizing Moralis, you possibly can construct every little thing from decentralized finance (DeFi) platforms to Web3 video games with out breaking a sweat. 

Listed below are three examples of distinguished Moralis Web3 APIs for querying blockchain knowledge: 

  • Pockets API: The Pockets API is the last word software for integrating pockets performance into your Web3 tasks. With this premier interface, you possibly can effortlessly fetch the token balances, transaction historical past, profile knowledge, and far more of any handle. 
  • Token API: The Token API is the {industry}’s main software for ERC-20 token knowledge. With a single line of code, you possibly can seamlessly fetch and combine token costs, transfers, balances, and many others., into your dapps.
  • Blockchain API: With Moralis’ Blockchain API, you possibly can seamlessly unlock the ability of each uncooked and decoded blockchain knowledge. Use this API to fetch sensible contract logs, occasions, and different block knowledge with ease. 

In case you’d like to discover all our industry-leading growth instruments, please take a look at our Web3 API web page! Additionally, do you know you possibly can entry the APIs above for free? Merely join with Moralis, and you’re prepared to go!

Why Use Moralis to Query Blockchain Data? 

At this level, you is perhaps asking your self, ”Why ought to I exploit Moralis to question blockchain knowledge?”. To reply this query, let’s briefly discover three advantages of Moralis’ Web3 APIs: 

  • Business-Main Response Occasions: Our Web3 APIs supply industry-leading response instances. Consequently, when working with Moralis, you possibly can seamlessly optimize the efficiency of your tasks. 
  • Complete: We enrich all our API responses with transaction decodings, metadata, market knowledge, handle labels, and extra from a number of sources. And in doing so, we’re ready to present the {industry}’s most complete APIs. 
  • Cross-Chain Compatibility: Moralis’ Web3 APIs are cross-chain suitable, supporting networks like Ethereum, Polygon, BSC, Solana, and many others. As such, with our premier APIs, you possibly can question blockchain knowledge from all essentially the most important networks. 
Marketing Banner from Moralis - Showing Moralis' cross-chain APIs

Now, with an summary of Moralis, let’s dive into the code and present you the way to seamlessly question blockchain knowledge utilizing our industry-leading APIs! 

Examples of How to Query Blockchain Data 

Within the following subsections, we’ll spotlight the accessibility of querying blockchain knowledge utilizing Moralis’ industry-leading Web3 APIs. To take action, we’ll discover just a few distinguished endpoints and present you the way to get blockchain transactions and transfers, pockets balances, token costs, and block and sensible contract knowledge.

So, with out additional ado, let’s discover how one can question blockchain transactions and transfers in a heartbeat! 

Query Blockchain Transactions and Transfers Instance

With Moralis’ Web3 API suite, you possibly can simply fetch each blockchain transactions and transfers of any pockets or contract. To point out you the way this works, take a look at the three endpoints under: 

  • getWalletTransactions() – Fetch an inventory of native transactions from any pockets:
const response = await Moralis.EvmApi.transaction.getWalletTransactions({
  "chain": "0x1",
  "address": "0x1f9090aaE28b8a3dCeaDf281B0F12828e676c326"
});
  • getTokenTransfers() – Query ERC-20 token transfers of a contract: 
const response = await Moralis.EvmApi.token.getTokenTransfers({
  "chain": "0x1",
  "address": "0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0"
});
  • getNFTContractTransfers() – Get transfers of NFTs for a given contract:
const response = await Moralis.EvmApi.nft.getNFTContractTransfers({
  "chain": "0x1",
  "address": "0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB"
});

Fetch Pockets Balances

With the Pockets API, you possibly can effortlessly fetch each the native, ERC-20, and NFT balances of any pockets with solely single API calls. Listed below are three endpoints for fetching pockets balances: 

  • getNativeBalance() – Query the native stability of any pockets: 
const response = await Moralis.EvmApi.stability.getNativeBalance({
  "chain": "0x1",
  "address": "0xDC24316b9AE028F1497c275EB9192a3Ea0f67022"
});
  • getWalletTokenBalances() – Fetch the fungible token balances of any pockets: 
const response = await Moralis.EvmApi.token.getWalletTokenBalances({
  "chain": "0x1",
  "address": "0x1f9090aaE28b8a3dCeaDf281B0F12828e676c326"
});
  • getWalletNFTs() – Get the NFT stability of any pockets: 
const response = await Moralis.EvmApi.nft.getWalletNFTs({
  "chain": "0x1",
  "address": "0xff3879b8a363aed92a6eaba8f61f1a96a9ec3c1e"
});

Get Token Costs Instance

With Moralis’ Token API, you possibly can seamlessly get the value of any token with solely single strains of code. Take a look at the endpoint for querying token costs under: 

  • getTokenPrice() – Get the value of any token: 
const response = await Moralis.EvmApi.token.getTokenPrice({
  "chain": "0x1",
  "address": "0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0"
});

Query Block and Good Contract Data

With the Blockchain API, you possibly can seamlessly question block knowledge, sensible contract logs, and extra. To point out you a few examples of how this works, take a look at the 2 endpoints under:

  • getBlock() – Fetch the contents of a block: 
const response = await Moralis.EvmApi.block.getBlock({
  "chain": "0x1",
  "blockNumberOrHash": "15863321"
});
  • getContractLogs() – Get the logs for a contract:
const response = await Moralis.EvmApi.occasions.getContractLogs({
  "chain": "0x1",
  "address": "0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB",
  "topic0": "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
}); 

The examples above solely scratch the floor of what’s potential with Moralis. In case you’d like to study extra about our premier APIs and discover further endpoints, please go to the official Moralis documentation web page!

What Can You Construct with Moralis? – Exploring Use Instances for Blockchain Data 

There are a number of issues you possibly can construct with Moralis thanks to its functionality of querying blockchains. Under, we’ll discover three examples of distinguished use circumstances for blockchain knowledge: 

  • Cryptocurrency Wallets: Cryptocurrency wallets are digital platforms for storing and managing each fungible and non-fungible tokens. Some distinguished examples of wallets embrace MetaMask, Coinbase Pockets, and Belief Pockets. 

    When constructing a cryptocurrency pockets, you want entry to a bunch of blockchain knowledge, together with balances, transactions, costs, and many others. With instruments just like the Pockets API and Token API, you possibly can seamlessly question all of the blockchain knowledge you want with just a few strains of code.

Illustration showing what developers can build with blockchain data: showing a crypto wallet example
  • Decentralized Exchanges (DEX): DEXs are peer-to-peer marketplaces permitting customers to commerce cryptocurrencies in a non-custodial method with out intermediaries. A number of examples embrace Uniswap, PancakeSwap, Curve, and SushiSwap. 

    In case you’re planning on constructing a DEX, you want entry to pockets balances, token costs, and many others. With Moralis’ Web3 API suite, you possibly can seamlessly fetch this info with only some API calls. 

Query blockchain data and build decentralized exchanges
  • Token Analytics: Token analytics platforms are web sites or functions that give merchants in-depth perception into cryptocurrencies. Moreover, these platforms question, analyze, and current blockchain knowledge from numerous networks in a readable format, giving customers a extra nuanced view of the market. In flip, this enables customers to make extra knowledgeable funding choices. An awesome instance of a token analytics platform is Moralis Money

    As you possibly can think about, when constructing a token analytics platform, you want entry to a bunch of on-chain knowledge, together with token costs, transactions, and many others. With Moralis’ Web3 APIs, you get all of this knowledge in a single single place. 

Moralis Money UI Example

So, if you need to construct subtle Web3 tasks, don’t overlook to join with Moralis. You possibly can create an account for free, and you’ll give you the option to instantly begin constructing dapps sooner and extra effectively! 

Abstract: How to Query Blockchain Data for Transactions, Balances, and Extra

In right this moment’s article, we kicked issues off by diving into the ins and outs of blockchain knowledge. In doing so, we realized that it refers to all of the publicly accessible info on blockchains like Ethereum, BSC, and Polygon! 

Illustration of how to query blockchain data using Moralis

From there, we then launched you to the {industry}’s main Web3 API supplier – Moralis! With Moralis’ premier Web3 APIs, it’s potential to question blockchain knowledge – together with transactions, balances, and many others. – with solely single strains of code. As such, when using our APIs, you possibly can construct dapps sooner and extra effectively. 

After introducing you to Moralis, we additionally confirmed you just a few examples of how one can question blockchain knowledge with our Web3 APIs. To summarize and spotlight the accessibility of our APIs, listed here are three endpoints you’ll possible discover helpful when constructing Web3 tasks:

  • getWalletTransactions() – Get the native transactions of any handle:
const response = await Moralis.EvmApi.transaction.getWalletTransactions({
  "chain": "0x1",
  "address": "0x1f9090aaE28b8a3dCeaDf281B0F12828e676c326"
});
  • getNativeBalance() – Query the native stability of any pockets: 
const response = await Moralis.EvmApi.stability.getNativeBalance({
  "chain": "0x1",
  "address": "0xDC24316b9AE028F1497c275EB9192a3Ea0f67022"
});
  • getTokenPrice() – Fetch the value of a token:
const response = await Moralis.EvmApi.token.getTokenPrice({
  "chain": "0x1",
  "address": "0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0"
});

In case you preferred this blockchain knowledge tutorial, take into account studying extra content material right here on the weblog. For example, discover the perfect altcoin API, learn the way to construct cryptocurrency worth trackers, or uncover how to construct dapps on Optimism! Additionally, should you’re undecided what community it’s best to construct on, discover a few of the numerous chains additional by studying our articles on the Cosmos ecosystem, Solana ecosystem, and extra!

Lastly, if you want to use our premier Web3 APIs your self to question blockchain knowledge, don’t overlook to join with Moralis. You possibly can create an account for free, and you’ll get immediate entry to our suite of premier Web3 growth instruments!

DailyBlockchain.News Admin

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