Questions tagged [addresses]
Addresses are the particulars of names, domains or accounts on the blockchain.
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Get a list of all erc20-token contract addresses [duplicate]
I would like to get a list of all ERC20 token contract addresses via an API rather than scraping the web.
Are there any web services or alternative methods available to do this?
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Safe Deployment Addresses on Polygon
Does anyone know the Safe deployment addresses for Polygon mainnet (chain ID 137) for multiSendAddress, safeMasterCopyAddress, and safeProxyFactoryAddress?
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Is there a V2 Router for BaseSwap DEX on the Base Chain Testnet?
I am currently working with the BaseSwap decentralized exchange that runs on the Base Chain. I noticed that they have a router for facilitating transactions on mainnet, but I am particularly ...
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Help needed: ERC20 token "BIGTIME" sent to ERC20 smart contract that accepts USDC, BTC, ETH, MANA
Recently there was a launch of a token called "BIGTIME" (ERC20) from Bigtime Studios (web3 game) listed on a DEX, which I bought tokens from and transferred to the games smart contract to be ...
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I am trying to build a p2p energy transaction
I am trying to build the p2p energy transaction blockchain network.
TypeError: "send" and "transfer" are only available for objects of type "address payable", not &...
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Deterministic address calculation?
proxy contract
contract ERC20ProxyDelegator {
constructor(ERC20Votes _token, address _delegate) {
_token.approve(msg.sender, type(uint256).max);
_token.delegate(_delegate);
}
}
...
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Why there are few transaction before the Contract Creation txn?
Does anyone know in this smart contract (see screenshot below) why there are few transaction before the smart contract creation txn?
It seem like this smart contract was previously a normal EVM wallet ...
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fetching address label from transaction info
while fetching transaction JSON for the given address, I want to fetch the address label associated with the address, for example, here's an example of how Moralis streams provide it for EVM chains,
{...
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Is it possible to partially predict the addresses that will be generated?
This is the EOA wallet that generates the AA (EIP4337) created by the Versa platform.
https://mumbai.polygonscan.com/address/0x433701c458d6d9a0b8f4bae1ccf687f20f4821ea
And this is the address of the ...
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Does Anyone know how to generate the pair address of a deployed token before LP is added?
Does Anyone know how to generate the pair address of a deployed token before LP is added?
these are for tokens most likely going to be tradeable on uniswap v2 but willing to open my ears for any sort ...
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I purchased 60k shibarium tokens 8/19. 8/20 the value dropped 700% and contract address changed. What do I do?
I purchased Shabarium Tokens on 8/19/23. On 8/20/23 the contract address changed and the asset value under the old address dropped 700%. What do I do?
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Copy-pasting Ethereum address will give a wrong address
I am not getting the solution like if try to copy the address of any wallet or any smart contract it will copy perfectly but when i will paste it somewhere else the address that i copied will be ...
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How to recover funds from ETH address generated using Bitcoin xpub?
By accident I generated ETH address using Bitcoin xpub. Is there any way to recover funds from that ETH address?
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Why web3j wallet address is different than hardhat network address which receives tokens
I am just playing with web3j and hardhat
I use web3j to generate wallet . This wallet has some address - let's call it A
When I'm testing and I receive token in hardhat and check with getTransaction ...
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Is it possible to track Or recover money from USDT address
I have been scammed ,long story short i have sent money to an indian account and he has created an account with binance and bought USDT from my money.I have given cyber crime complaint for the same....
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Nethereum listen to an event after send transaction
Solidity code for creating a new contract calling createRainfallPolicy:
event PolicyCreated(address _policy, string _insuredId);
function createRainfallPolicy(/*Params*/) public {
RainfallPolicy ...
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I sent tokens to the wrong Ethereum token address from my Trust Wallet?
I intended to send tokens to my Metamask address, but made an error on the token address which turned out to be a legitimate address, so the transaction was successful but it was not my intended ...
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HD Wallet Generate independent Phrase Mnemonic
I want to generate a independent Mnemonic Phrase, but with the code generate the same Mnemonic Phrase:
import threading
from hdwallet import BIP44HDWallet
from hdwallet.cryptocurrencies import ...
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Can I tip Basic Attention Token (BAT) directly without using Brave Browser?
From the BAT FAQ,
Explain the Brave and BAT products and how they work together.
[...] Whether you want to earn BAT by seeing ads, or buy tokens directly, you can use them to support the sites you ...
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How to calculate a pair address given token addresses
How do you combine two token addresses to form a pair address?
I would imagine this is purely mathematical and doesn't require a call to web3. I want to know how to do it without calling the internet....
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Sorting through HD wallets
I created a random HD address using my seed phrase a while back. lets call it 0x1....I then send funds to the wallet and continued using it normally. I have since lost the devise i had generated the ...
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What's the sort value of an address?
Some functions require multiple addresses to be sorted.
For example, the uniswap router requires for some functions:
"token0 is guaranteed to be strictly less than token1 by sort order."
I ...
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Solidity Shared Pool
I am trying to build and deploy my first solidity contract. I have no experience in web development and come from a python / data science background.
My goal was to do something simple and see how I ...
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Polygon Top addresses Polygon chain vs Ethereum chain
If I check Polygon top addresses on Polygon chain, I see the following list on https://polygonscan.com/accounts. With top1 address 0x0000000000000000000000000000000000001010 containing 9,070,304,832....
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How i can copy the same transaction of 1 address on ethereum?
How i can copy the same transaction of 1 address on ethereum ?I mean like a copytrading onchain... I choose 1 address and my addres do the same thing automatically.
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Does gas optimization only apply to leading zeros in contract addresses?
I couldn't find any solid information on this. From assembly perspective clearly
PUSH2 0xC0FE
for a two byte address 0xC0FE requires less memory than a full PUSH20, but I could swear I also read any ...
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Tool or service to sweep extract all coins from a private key on multiple L2 chains?
Over the years I have a bunch of accumulated addresses on Ethereum and different L2's (Arbitrum, Matic, BSC, etc...). Currently I want to just consolidate all these dust amounts into a single address. ...
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Error: network does not support ENS (operation=“ENS”, network=“maticmum”, code=UNSUPPORTED_OPERATION, version=providers/5.5.3 this error is comingabc
When I try to access address as endpoints on getstaticpaths the error is coming
Error: network does not support ENS (operation=“ENS”, network=“maticmum”, code=UNSUPPORTED_OPERATION, version=providers/...
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Do I have to mark addresses that I want to send ETH to in vyper as payable?
In solidity, if I want to send ETH to an address, I have to mark it as payable.
Do I need to do this in vyper?
Solidity example:
payable(msg.sender)
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How Ethereum addresses get added to the blockchain?
I feel like this is a very basic question but here it go: I'm familiar with the process of generating an Ethereum address (from a seed prhase to private key, to public key to ethereum address). What I'...
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Specific Collection form OS Shared Storefront Collection
How can I get all the current NFT holder addresses of a specific collection that is part of the Opensea Shared Storefront Collection?
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How do you calculate a privatekey/public key from an xprv/pbub?
I am trying to understand how HD wallets work in Ethereum. Currently I have managed to generate a child extended private and public key (xpub and xpriv) from my BIP32 Root Key. However, I can't find ...
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I have transferred USDT to ERS20 address of my crypto wallet but wrong missed the last char in address and its fund of about 800K
From coinformat trading platform I transferred to my crypto.com wallet . But it looks I missed the last char in ERS20 address...
My actual address is
0xxxxxxxxxxx3B43dd72103372Ecc3B4Ff00eeCc3297
But ...
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How do I conduct Presale off chain? Keeping the address and the amount of coins purchased
I'm creating a presale website and a presale coin in solidity. How do I keep tract of the poeple who bought it something like whitelisting right
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How to get any token contract address via network request?
is it possible to get any token contract via network request? for now I've found this repo https://github.com/ethereum-lists/tokens/tree/master/tokens/eth but still the network request way would be ...
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Is there a list of contract addresses for WETH?
Is there a list of contract addresses for WETH?
I am looking for the contract address for Sepolia in particular, and I can't find it.
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What's the best way to verify an address is correct in C#?
Is there an easy way to validate an Ethereum address in C#?
Basically, I am looking for the method that correspond to these ones in Javascript but in C#.
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How are smart contracts trusted?
How do smart contracts established trusts? Is it more of a social thing - ie a lot people know that this contract from this protocol has this address, or is there a more trustless, way where someone ...
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Path to frontend files fails
const { ethers, network } = require("hardhat")
const fs = require("fs")
const FRONT_END_ADDRESS_FILE = `../../nextjs-frontend-lottery/constants/contractAddresses.json`
const ...
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How to deploy all my contracts from same address (without writing .connect() a bunch of times)?
I have a mnemonic in my .env.
I added it to my hardhat.config.js as such:
accounts: {
mnemonic: process.env.MNEMONIC,
path: "m/44'/60'/0'/0",
initialIndex: 0,
count: 20,
...
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How do smart contracts keep track of what eth address controls an NFT
How does a NFT smart contract store which addresses have ownership over an NFT or do they ever store this information?
My goal is to query an NFT smart contract to get (for example) a merkle tree of ...
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How to get metamask address with infura?
I am very new to the blockchain programming. I installed the metamask browser extension on my google chrome. I funded it everyday through Alchemy. Now I am working on a Laravel project which involves ...
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Retrieve sender public key from ethereum transactions
I have tried using the eth_account library but it doesnt work on newer transactions (type 0x02 transactions). What is a method of retrieval that would work on those transactions?
from eth_account....
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What are the differences between create2 and create3?
Which strategies should we follow when using create2 and create3?
I had seen that li.fi deployed the contracts using create3 factory contract.
and i know some basics about create that we can find out ...
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Doubts on computing ETH daily number of active addresses
I am trying to compute the number of daily active addresses from the ETH's blockchain. For this, I am using this mild SQL query:
SELECT
date_trunc('day', block_timestamp) as day,
COUNT(...
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How to get address of new contract? (hardhat)
Lets say i have a contract which includes a function that deploys new ERC721 contract:
function createCollection(
uint256 _price, uint256 _maxSupply, string memory _name, string memory _symbol,
...
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Get addresses of transfers from transactions Web3Py
I am facing issue while trying to retreive data from Goerli (basically, Ethereum). I am trying to fetch transaction from this contract. For every transaction it creates a new airdrop by creating a new ...
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ETH wallet issues
I use Coinomi wallet and everything was ok untill I tried to add my wallet to another system like MEW and Metamask
I use same recovery phrase but I end up with different account with no money there. ...
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Checking for a transaction on a large number of bsc addresses
I need to frequently check a large number of addresses for transactions on the bsc network (at least a thousand per second), what is the best way to do this? The only solution I know of is to run my ...
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A quick way to check if there are transactions at an address
I need to frequently check a large number of addresses for transactions on them (i.e. whether the address is active) and do it as quickly as possible. I plan to download a dump of addresses with ...
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