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Questions tagged [query]

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Return transactions for a specific pair - TheGraph

I am trying to return the latest 1000 transactions for a specific pair in Uniswap V2 using The Graph playground. The pair I am using is for USDC/WETH and its id is: ...
Magofoco's user avatar
  • 250
3 votes
0 answers
172 views

Ethereum block chain extracter and parser like blocksci

I'm new to ethereum and I would like to develop an analyzing framework for ethereum. Is there a blockchain extractor and a parser to similar to blocksci available for ethereum and support analyzing of ...
Devortz's user avatar
  • 61
1 vote
0 answers
109 views

How can I get the whole list of all trading pairs on Uniswap?

I looked at docs and it says to use Queries, but I have no idea how to imply it. Could you please help me?
aleexeyy's user avatar
1 vote
0 answers
72 views

How to handle both String and Bytes return types in Rust

I'm trying to query the MAKER ERC20 contract and get the name and symbol of the token. The problem is that they are stored as a Bytes and I don't want to change the return type of my function from a ...
Mitchs's user avatar
  • 11
1 vote
0 answers
28 views

Is there a way/place to query erc1155 smart contract with the token id from opensea

When you mint an NFT directly on opensea with ethereum and then freeze the data, the NFT metadata is suppose to be stored on ipfs and so does the NFT image. Normally opensea link to the metadata (Not ...
soltana's user avatar
  • 13
1 vote
0 answers
178 views

convert time to utc in Dune Query

I can create a query on the DuneAnalytics site, but the default date format for a field is "2022-02-08 02:44", which downloads to csv as "2022-02-08T02:44:46+00:00". Does anyone ...
Eric Falkenstein's user avatar
1 vote
0 answers
51 views

The graph, filter query by relationship non id value

I have these types: type Poll @entity { id: ID! hash: String! contributions: [Contribution!]! @derivedFrom(field: "poll") } type Contribution @entity { ...
scotby's user avatar
  • 33
1 vote
0 answers
175 views

How to get total tether supply on Ethereum from BigQuery dataset

I've noticed that the numbers for Totaly supply of Tethers seem to diverge on the official Tether transparency page and the Etherscan block explorer, and I want to find a way to get the correct number....
Dario's user avatar
  • 11
1 vote
0 answers
134 views

How to open Parity database from javascript (how to open column families)?

I am trying to connect to Parity database at var dbPath = 'C:\\Users\\username\\AppData\\Local\\Parity\\Ethereum\\chains\\ethereum\\db\\906a34e69aec8c0d\\overlayrecent\\db' form javascript using npm ...
jabone's user avatar
  • 241
1 vote
0 answers
44 views

Is it possible to query blockchain using wallet extra-infos?

I read here how to add extra fields to a wallet address, is it possible to query the ethereum blockchain and find all wallets with the same extra-filed? For example: all wallets with the same user ...
cesko80's user avatar
  • 75
0 votes
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30 views

Query event - Range limit on Polygon, but not on Ethereum?

I want to query some deposit events to show all deposits for a user. On Ethereum, I did it like this to query all deposits (starting from block 0) const block = await provider.getBlockNumber() const ...
jan's user avatar
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How can I mimic legacy bank in my project?

I want to build a project where legacy bank interacts with blockchain networks (over CCIP). Please suggest me how can I mimic a legacy bank - as a separate project or any different idea is appreciated....
Inderdeep01's user avatar
0 votes
1 answer
74 views

I have a 3 million unique wallet addresses. What is the most efficient way to get the ETH balance and also no.of NFTs each address is holding?

I am looking for an efficient way to query/get ETH balance and also the no.of NFTs belongs to a unique 3 million wallet address. Any tools or suggestions will be helpful. Well, I know we can use any ...
Krishna Kumar S's user avatar
0 votes
1 answer
98 views

Forced Withdraw from L2 StarkEX

I need to request the forced withdraw function on the StarkEx smart contract in order to get my DYDX funds back to L1. I have found an Github solidity code but no clue how to deploy it to StarkEx ...
FrankSter's user avatar
0 votes
1 answer
539 views

Decode input data in bigquery on polygon

I have a problem in developing a program to decode the input data of transactions created by a smart contract on the polygon blockchain. The smart contract: https://polygonscan.com/address/...
Antho0f's user avatar
0 votes
0 answers
720 views

How to display the NFT of my project on React?

I made a project where people can mint my NFT and now I would like to create a webpage on react where the users can see the NFTs that they had minted. Basically, I would like to take the address of ...
Lorenzo's user avatar
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0 votes
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549 views

Using a full archival node like Parity or Geth, how to query which is the last transaction which changed the value of a particular storage address

I tried various third party services like Infura, and there support all told me that this was unsupported and that I would have to run my own Parity full archival node for this. But even if I would ...
user2284570's user avatar
  • 1,018
0 votes
1 answer
625 views

Query Ethereum Blockchain for functions return value of a Specified Smart Contract

I want to get smart contract functions return value sent by a specified smart contract within a range of blocks. I found a [manual] working method to achieve this: async function getTxsByAccount(...
Yahya's user avatar
  • 328