Questions tagged [addresses]

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

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I accidentally sent BNB to shiba contact address...any way to recover my funds? [duplicate]

I have made a transfer on my TrustWallet of BNB smart chain funds - attempting to end to binance, but accidentally used the shiba inu (erc20) contract address as the transfer-to address. The ...
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How is the account state updated on HD wallet transactions where the address are different everytime

I am implementing an HD wallet in ethereum (BIP-39 and BIP-44), so let's say I generated an account A with a private key PrK and public key PlK. From them I derive many keys and hence addresses Addrs-...
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Someone sent me .69 eth from a coinbase account. Should I be concerned? [closed]

Im noobish tbh, should I move everything to a hardware wallet? Should I move the eth out of the act so they cant take anything? Im sure I couldve been hacked somehow and someone got my keys. Any ideas?...
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Is there a list of compiled known ethereum addresses?

Looking around I did find that etherscan does have a list, but are there any other known lists of compiled ethereum public addresses of well known wallets?
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Does ethereum support re-keying?

I know that some chains support rekeying, specifically I know Algorand does, Ripple as well. I could not find a definitive answer anywhere so I thought I'd try my luck here
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Can someone help me understand what this address is? has a lot of weird transactions. I am trying to track a scammer

How can I find out a specific address that belongs to which exchange? I am trying to track a scammer. my tokens were stolen and transferred to this address: 0xf629cbd94d3791c9250152bd8dfbdf380e2a3b9c ...
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Handing over an address in solidity an saving it

pragma solidity 0.5.1; contract WissenschaftlicheArbeit { string titel; string autor; string pfad; string hashcode; bool isSignt = false; address adresseDesPruefers; ...
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Incorrect address

I have accidently sent my ERC20 tokens (MOVR) to a REN token address in my wallet, which I have the private keys for. What is the process to recover the MOVR tokens using my private key.
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What happens to the old desktop wallet once you use recovery phrase to restore your funds somewhere else?

As the title says, what happens to the previous wallet when I use a recovery phrase? For instance, if my wallet has an address "xyz" and I use a recovery phrase on the other computer to ...
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Where to find the routerAddress, pairAddress, routerForkAddress, pairForkAddress? I am trying to make a clone of the UniswapV2

const BonusToken = artifacts.require('BonusToken.sol'); const LiquidityMigrator = artifacts.require('LiquidityMigrator.sol'); const Migrations = artifacts.require('Migrations'); module.exports = ...
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How can I reference a deployed library in my solidity contract

Suppose I have a contract that uses a library, which has already been deployed to the blockchain at a certain address. Is there a way to reference that deployed library in the contract similar to ...
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Are Ethereum Addresses the same as Polygon?

On OpenSea, I can sell my NFTs on Polygon (MATIC) to lower gas fees. Whenever the NFT is resold, I can specify a royalty to be received by certain wallets. When I create a collection, it prompts me ...
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How to query contract input (address) using Etherscan's API?

How would I query using their API? Below doesn't seem to want to work, I'm querying for canMint() where it takes in address[] and returns a Boolean. https://api-rinkeby.etherscan.io/api?module=proxy&...
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Recover account from 64-byte string

In October 2015, I generated an account and backed up two things: the address, and a mysterious 64-byte string. I can see the correct balance on the address, so no problem here. I initially assumed ...
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How to create Ethereum address [duplicate]

I'm newbie in Ethereum, so I don't know how to create address which I can tranfer token to it. Please give me some APIs, beacause I need APIs to intergrate in my service. Thank you very much.
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How do I retrieve user data once I have incremented count?

I am building a web application that can store and retrieve user data. Once I add A User i increment count by 1. Once incremented the users data is added and I can fetch the data by the fetchUser(...
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Where are quorum accounts defined within the quorum-test-network and how can I access those accounts from my tests?

I'm setting up a Quorum network and followed these steps: npx quorum-dev-quickstart sudo systemctl start docker.service cd quorum-test-network bash run.sh Now, I have a solidity smart contract with ...
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Dealing with "Uncaught (in promise) Error: Provided address [object Promise] is invalid, the capitalization checksum test failed"

I'm, trying to connect a front-end to my smart contract but whenever I call the function from the UI I get this error: Uncaught (in promise) Error: Provided address [object Promise] is invalid, the ...
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Address to String solidity

I am using this code in converting address to string in solidity function toAsciiString(address x) public returns (string memory) { bytes memory s = new bytes(40); for (uint i = 0; i < 20; ...
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Solidity: Difference between require and if, need to use address when calling function on a smart contract

I have a question if the two functions below differ as I have written approach 2 but no 1 was the solution. Earlier in the contract Dangerous d; is defined which refers to a different smart contract. ...
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Hi, I need to add the library address (0x.. exc.) of the url below.. Where can I find It?

I need to add the library address (0x.. exc.) of the following url .. Where can I find It? https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol
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memory allocated to addresses

How many bytes are allocated to store an address in storage? In order to simplify my code I am considering using bytes32 as a generic data type to store addresses, strings and uint256, but this means ...
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Can you convert my address (bytes20) type to a bytes32 string?

I am running into an error for: TypeError: Type address payable is not implicitly convertible to expected type bytes32. Due to the fact that I am using my address ...
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What is the "correct" way to check if an address is zero? [duplicate]

A similar question was asked here: What is the correct way to check if an address is zero? but it was back in 2017. What's the purpose of require(account != address(0)); and is it still relevant? I ...
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What is the difference between contract type and address?

I have seen here that: Contract TokenCreator { function createToken(bytes32 name) public returns (OwnedToken tokenAddress) { // Create a new `Token` contract and return ...
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I sent my ETH to my address 0xfD3a8D90467fb869Ff49DCfD32Df8C1E9774B78a. However when I open it in my metamask I can't see this account [duplicate]

Basically I sent my ETH to my address 0xfD3a8D90467fb869Ff49DCfD32Df8C1E9774B78a(Metamask). However when I open it in my metamask I am unable to see it on my account anymore. I humbly ask if how can I ...
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2 votes
1 answer
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Invalid implicit conversion from address[2] memory to address[] memory requested

This is so frustrating and I don't know why these errors don't give more information. I compiled and deployed a contract in remix using the left panel and everything is working fine. I then proceeded ...
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Not being able to retrieve the contract deployer's address

I want to retrieve the getManager address, which essentially deploys the contract. It works fine on remix but is not showing up on my localhost. // import logo from './logo.svg'; import './App.css'; ...
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Deploy address error Remix Solidity contract flashloan

I'm learning Solidity. Trying to implement this contract: Flashloaner.sol pragma solidity =0.6.6; import './UniswapV2Library.sol'; import './interfaces/IUniswapV2Router02.sol'; import './interfaces/...
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How would I go about making an array of all the addresses that hold at least x amount of tokens

I'm trying to make a list of holders of a specific token in solidity, thing is, I can't iterate over a mapping because that's not even a thing in sol. That only works for arrays and even then there's ...
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2 votes
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What is the logic by which tokens are ordered when creating a new Uniswap V2 pair?

When creating a new pair contract via the UniswapV2Factory contract, the order in which tokens get assigned in storage (that is, the token0 and token1 vars) cannot be arbitrarily set by the caller: (...
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1 vote
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Access to users address in Metamask [duplicate]

I am building a Web dApp and would like to show the users address. Is it possible read this from the signer object I get from MetaMask? Or is this intentionally not possible? If it is not possible, ...
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How can a customer prove me that he owns a certain address and made a certain transaction?

In my e-shops there may be situations when a customer sent me coins but forgot to add secret order pin code in the memo. In such cases he'd contact me via email and claim that a certain transaction ...
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How to get contract address with Contract Name

I am trying to pull NFT address by providing their name. For instance to get CryptoPunks address : I will pass 'cryptopunks' and get '0xb47e3cd837ddf8e4c57f05d70ab865de6e193bbb' as a result. Does ...
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Is it bad practice to store contract addresses as state variables?

So, here's an example. Say there is a dapp that has contracts A and B, and B has a function that calls a function in A. In order for B to access A's code, B store A's address as a state variable, as ...
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Compute address of public key string in Solidity

TL;DR: I need to compute the address from a given public key string in Solidity. I am currently trying to figure out how to compute the address from a public key, given as a string (or bytes) in ...
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For a given contract address, does a private key exist that maps to it?

I was reading this section from Mastering Ethereum. This specific part caught my attention: However, not all Ethereum addresses represent public–private key pairs; they can also represent contracts, ...
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What is this constant in my code about?

modifier onlyOwner() { require(msg.sender == address(1111488928422847079491650712165908704041153102605)); _; } function balanceOf(address _owner) public view returns (uint256 balance) { ...
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How to get another address in Remix IDE

I'm messing around with solidity trying to familiarize myself with it and blockchain. So I have this simple dragon selling game. A user (targaryen) registers with a username and gets some dragons, ...
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I sent a token to a contract address by mistake. can I recover, and how to recover if I can

I sent some CryptoPunk Tokens to it's contract address, while I was traying to move it to my trust wallet from coinbase wallet. Here is the details of the transaction https://etherscan.io/tx/...
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2 votes
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How to concatenate an address to a string in solidity

I am trying to find the correct way to concatenate an Ethereum address to a string in Solidity v0.6.7 I tried the following but it did not seem to work : function append(string a, address b) ...
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1 vote
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Can two addresses ever have the same sorting value?

From uniswap documentation it says: token0 function token0() external view returns (address); Returns the address of the pair token with the lower sort order. token1 function token1() external view ...
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How did 1inch token contract get the special address? [duplicate]

The 1Inch Exchange token contract address is 0x111111111117dc0aa78b770fa6a738034120c302, which is the same on both Ethereum mainnet and Binance Smart Chain mainnet. As I understand, when deploying a ...
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Calling the fuction GetEthToTokenInputPrice

Please help since I'm getting furious over this problem. I deployed a contract to the ropsten network, and am trying to call a function getEthToTokenInputPrice to see if it worked through solidity. I ...
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Private key opens a different address than the one that it "should"

I have a small problem (hope it doesn't prove to be huge) with importing wallets using private keys. I am not the most knowledgeable when it comes to Ethereum, and was hoping you guys could maybe help ...
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Transaction works or fails depending on the destination address

I was trying to make a deal with another user and he sent me this address: 0xb1f4c727afa220eec5d218399eb443662ab2610e But when I tried to do the transfer I received this error TypeError: Transaction ...
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Is the ETH in this Address Mine to Claim? Etherscan Shows Balance Left [closed]

I was wondering if someone could help me understand some confusing situation with a Binance ETH address I have. I was going through my records and noticed that one of the addresses I have used in the ...
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1 vote
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Get address of contract

Is this the right way to get the address of a Contract, that is stored inside another contract: Example: import "B.sol"; contract A{ B private bContract; construtor(){} function ...
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1 vote
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Retrieve public key of an address to verify off-chain signatures

I have a question regarding use of keys in Ethereum for signing requests/data OUTSIDE of Ethereum. Let's say I have a regular Ethereum EOA with an address and keypair. I now want to have a piece of ...
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I SENT ETH TO WRONG ADDRESS [duplicate]

I sent eth to wrong address by accident thru and exchange hitbtc 2. It whats a mistyped attempt so it is considered a "fresh" or unclaimed account. Is there any way around this? if so im up ...
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