Skip to main content

Questions tagged [addresses]

Addresses are the particulars of names, domains or accounts on the blockchain.

Filter by
Sorted by
Tagged with
3 votes
1 answer
34 views

What keeps Solidity compiler from optimizing `address(this).balance` to `selfbalance()`?

If selfbalance() and address(this).balance are the same, except one costs less gas, what stops the Solidity compiler from optimizing it away? I'm sure there is a reason, I'm interested in knowing what ...
Tilak Madichetti's user avatar
0 votes
0 answers
15 views

Where to find callee smart contract address?

I am working on smart contract analysis and focusing on smart contract interaction. My goal is to avoid executing the contracts and I wanted to know if it is possible to get the address of a called ...
Charles Lohest's user avatar
0 votes
0 answers
40 views

Order of tokens in Uniswap V3 pool price

I am trying to get a token price from the Uniswap V3 pool. The Uniswap V3 contract provides a slot0 field where the rate is written in two ways. (documentation) using sqrtPriceX96 and using tick Then ...
Yan's user avatar
  • 1
0 votes
0 answers
11 views

Why is only the first call frame aliased on Optimism?

Because addresses can be impersonated cross-chain, rollups have to alias addresses when L1 to L2 transactions are performed. From Optimism's docs: CALLER msg.sender If the transaction is an L1 ⇒ L2 ...
Paul Razvan Berg's user avatar
1 vote
0 answers
21 views

How is the address of an Base contract computed?

I'm curious when i see some fantastic projects, so I'm doing some experiments to find out the method which used by Base to generate the contract address. Tried with two different methods, and I've ...
Spencer's user avatar
  • 11
2 votes
1 answer
60 views

Can a user impersonate a smart contract address - and use it as an EOA?

First of all: I'm aware of the fact that only EOAs sign/create txs in Ethereum, that the public address of an EOA and the address of a Smart Contract are calculated differently and that it's ...
Iaroslav's user avatar
  • 375
0 votes
0 answers
16 views

Etherscan.io Verification Addresses

It's taking me a long time to verify addresses on Etherscan.io Can someone give me a solution for verifying contract addresses?
Brenda Lee Smith's user avatar
0 votes
2 answers
53 views

How do I give each user a private address for transactions

I have a web app in React Typescript with supabase as a database. I want to integrate the blockchain with it in order to track work done between users. How would I give each user an private address ...
Zhi's user avatar
  • 11
2 votes
2 answers
87 views

Why does addresses generated by create2 differs between blockchains?

Recently, UniswapV2 got deployed on other chains using the same addresses and the same bytecode. But all transactions are getting reverted, and the reason is simple : the uniswap’s factory is using ...
user2284570's user avatar
  • 1,040
0 votes
1 answer
210 views

Which Blockchain Do These Addresses (Starting With E) Belong To?

I apologize for posting in the Ethereum site, since I know this isn't related to Ethereum. However, I'm really not sure which site to post in because that's the problem I have. There doesn't seem to ...
azoundria's user avatar
  • 121
0 votes
1 answer
55 views

Where Do I Get A WETH Flashloan On Goerli Ethereum?

I'm trying to test a flashloan on goerli ethereum. It seems AAVE may no longer be supporting this for WETH flashloans (if they ever did). Anybody know how I can run test Flashloans on Goerli ...
Trent Kennelly's user avatar
0 votes
1 answer
61 views

Find ERC20/Polygon address with the beginning and end

I found this post: Find the address of the wallet know almost all the letters I'm looking for a code to find an address on Polygon with a beginning and the end. I have this information: 0x858b...4B7d. ...
Naografix's user avatar
  • 191
0 votes
1 answer
68 views

Can I find the hash using a partial hash address in order to look it up at etherscan.io?

For example 0x0DDF2…e7D19 How can I find/search for the reminder the address? The auto complete feature is no longer available at etherscan.io
Clarck Gin's user avatar
0 votes
0 answers
31 views

SCAM TOKEN HELP! [duplicate]

I'll start by saying that I came across a scam project and I can't switch to pancakeswap from this scam token to bnb. Is there a chance to get out of this token? address token: ...
michał Tyczkowski's user avatar
0 votes
0 answers
95 views

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?
Pierogi's user avatar
  • 203
0 votes
1 answer
30 views

Safe Deployment Addresses on Polygon

Does anyone know the Safe deployment addresses for Polygon mainnet (chain ID 137) for multiSendAddress, safeMasterCopyAddress, and safeProxyFactoryAddress?
Liam's user avatar
  • 38
0 votes
0 answers
204 views

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 ...
Jenny From the Block's user avatar
0 votes
2 answers
69 views

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 ...
Intermediate's user avatar
1 vote
1 answer
11 views

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 &...
Prithwi Chowdhury's user avatar
0 votes
1 answer
91 views

Deterministic address calculation?

proxy contract contract ERC20ProxyDelegator { constructor(ERC20Votes _token, address _delegate) { _token.approve(msg.sender, type(uint256).max); _token.delegate(_delegate); } } ...
kumar's user avatar
  • 61
0 votes
2 answers
31 views

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 ...
jojo12's user avatar
  • 1
1 vote
1 answer
91 views

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, {...
Rohit Jambhulkar's user avatar
1 vote
1 answer
80 views

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 ...
imelon2's user avatar
  • 570
2 votes
1 answer
131 views

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 ...
anon's user avatar
  • 25
0 votes
0 answers
84 views

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?
Travis Capehart's user avatar
1 vote
2 answers
527 views

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 ...
Bhanu Partap's user avatar
0 votes
1 answer
32 views

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?
opengrid's user avatar
  • 101
0 votes
0 answers
1k views

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....
Hariish's user avatar
1 vote
0 answers
33 views

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 ...
Farceg's user avatar
  • 11
0 votes
1 answer
66 views

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 ...
Vernon Wilson's user avatar
0 votes
1 answer
790 views

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....
BAR's user avatar
  • 135
0 votes
2 answers
86 views

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 ...
Kilonzo's user avatar
  • 11
0 votes
2 answers
114 views

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 ...
Andy's user avatar
  • 185
0 votes
1 answer
28 views

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 ...
Finance Guy Wanna Code's user avatar
1 vote
0 answers
39 views

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....
mindaugasj's user avatar
0 votes
0 answers
283 views

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.
user121114's user avatar
0 votes
1 answer
18 views

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)
Patrick Collins's user avatar
4 votes
1 answer
109 views

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'...
yaiks's user avatar
  • 143
3 votes
1 answer
1k views

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 ...
Jean Claude Dusse's user avatar
2 votes
1 answer
906 views

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 ...
Vikram's user avatar
  • 21
1 vote
0 answers
29 views

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
jacobs david's user avatar
1 vote
0 answers
23 views

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 ...
Eugene1111's user avatar
3 votes
2 answers
3k views

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.
Domini's user avatar
  • 181
1 vote
1 answer
346 views

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#.
Falcon Stakepool's user avatar
3 votes
2 answers
227 views

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 ...
Finlay Weber's user avatar
1 vote
1 answer
44 views

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 ...
Yana Gupta's user avatar
2 votes
1 answer
67 views

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, ...
antoniopgs's user avatar
0 votes
1 answer
42 views

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 ...
AAMCODE's user avatar
  • 133
1 vote
1 answer
54 views

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 ...
pheromix's user avatar
  • 125
0 votes
1 answer
357 views

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....
ChuanC's user avatar
  • 1

1
2 3 4 5
17