Questions tagged [addresses]
Addresses are the particulars of names, domains or accounts on the blockchain.
596
questions
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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 ...
0
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0answers
36 views
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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0answers
14 views
BSC Wallet and all its token amounts/cash balance [duplicate]
Just started playing with the Blockchain overall. It's pretty hard to get into and understand but trying my best.
I would like to know how I can get all the tokens that the BSC wallet had Contracted ...
0
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1answer
24 views
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 ...
0
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1answer
33 views
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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11 views
ONE MNEMONIC different addresses [duplicate]
I will try keep it short.
I am having a curious case here. In etherscan I see all coins available in my address. All except one shit coin is available on my old windows machine, that I was using some ...
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0answers
16 views
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 ...
1
vote
1answer
52 views
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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2answers
67 views
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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0answers
10 views
Truffle test - doesn't send funds to msg.sender
it seems like I have a wrong gnache or truffle setup ...
I already ask a simular question here: Owner of contract is set to contract address?
Basicly there is some mess up with addresses on my local ...
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0answers
13 views
Mapping with different datatypes showing on one struct
is it possible that in I can use a uint and a address that showing on the same struct(Submission) as mapping ? I need something what makes it easy to read out the mapping with a uint (number) and with ...
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1answer
16 views
How to get tokens from a contracts 0x0 address?
I was having a deep dive through an address I found interesting and noticed that all his tokens always came from a contracts 0x0 address. How is this done?
I assume this is how smart contracts work ...
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0answers
21 views
Is there any method to generate new public private key pair in solidity?
I want to generate a new ethereum account in solidity(if possible in online Ide remix) & sign transactions with the private key.
In other words, I want more ethereum account apart from the default ...
3
votes
2answers
85 views
How to use address.call{}() in solidity
I have seen here and several other places that the correct way to send ether from a contract to an address is to call the .call{}() method.
Then here I have seen the method being used with arguments. ...
2
votes
0answers
22 views
Check whether public address was derived from a private key
I have several ETH accounts (and I own a private key from each one of them). I also have an address with a public key (holding some funds of course) but I totally forgot where this address came from. ...
0
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1answer
21 views
Assigning addresses while publishing contract in Solidity
I was recently viewing a DApp on GitHub. The following is a part of .sol
address contractOwner;
address withdrawWallet;
function contractName(address _contractOwner, address ...
2
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0answers
19 views
How to get public key from private key in C?
I know the theory behind generating the public address.
convert to 65 byte uncompressed key
removed first "04" byte, we have
...
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2answers
27 views
Can I recover a blockchain transaction to a phishing address [duplicate]
I was scammed and sent 3 eth to a phishing address.
0x2ed31556f20db283569ae040d6968f65efa240ca a.k.a (Fake_Phishing4397)
It is possible to recover my losses? Thank you so much!
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1answer
108 views
Hardhat local network keys generation
I noticed the generation of Hardhat local Etheruem network keys are found on the Mainnet.
Example:
After running npx hardhat node.
Accounts
========
Account #0: ...
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0answers
12 views
What is IBAN/BBAN address and what is the purpose of web3.eth.Iban? [duplicate]
I do not find too much information about the use cases of Iban, in web3.eth.Iban object.
Could anyone tell me what is exactly an IBAN address in web3, and when to use it?
https://web3js.readthedocs.io/...
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0answers
29 views
How do I manipulate data in multiple contracts and output them
I am trying to manipulate data I retrieve from my contract, and then display it.
Currently, I am running into 2 problems:
1- I am unable to manipulate the data correctly.
2- I am unable to display ...
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0answers
16 views
How to store in `address` two kinds of addresses at once?
I have a set of address values, each of them can contain a real Ethereum account (user account or contract) or a "virtual" address (an address pseudo-randomly generated by my contract, in ...
2
votes
1answer
207 views
Cancelled Transaction in MetaMask USDC leads to loss of funds
I had attempted to transfer 992 USDC from MetaMask to a Ledger Account but had decided to cancel the transaction. On cancelling, MetaMask reports that the cancellation succeeded, but my MetaMask USDC ...
0
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1answer
34 views
How to type-cast contract type to address type?
Contracts can be explicitly converted to and from the address type.
In solidity docs, it's mentioned that the contracts can be converted into an address type. But when I try to do so the compiler ...
0
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1answer
30 views
Error: Member “send” not found or not visible after argument-dependent lookup
I am trying to compile the following smart contract:
pragma solidity ^0.5.1;
contract Governmental{
uint constant TWELVE_HOURS = 12;
function lendGovernmentMoney ( address buddy ) public ...
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0answers
13 views
Getting INVALID_ARGUMENT error when passing zero to a view function with a parameter of type address?
I recently upgraded to solidity 0.8.1 from 0.4.21. I have a view function in my contract with an address parameter. In the past I could pass 0 for this argument and that would be written to the ...
1
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1answer
75 views
How is it possible for Centre and the like to blacklist Ethereum addresses when they themselves are not miners/validators?
There is no shortage of the news on stablecoin censorship, in particular blacklisting of Ethereum addresses:
Tether has been blacklisting Ethereum addresses that hold USDT for a couple of years now—...
0
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1answer
29 views
Contract Polymorphism based on address type cast issue
I am new to solidity and having difficulty understanding polymorphism and address typecasting of contracts.
I am passing the address of child_1 contract to getChild2Value(address adr) which type cast ...
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0answers
106 views
In uniswap v2 periphery, how does the contract fetch token pair address?
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(...
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0answers
57 views
Recover Lost Funds from Botched ETH Deposit Without Access to Private Keys?
I'm using the wei approach (4 right-most zeros) as a marker to track user deposits on my site. In short, every user on the site is told to append a custom amount of "wei" to every deposit ...
1
vote
1answer
77 views
How do I retrieve funds sent to wrong address that doesn’t exist [duplicate]
I sent some funds to my MEW wallet but I fat fingered the address and sent it to a different address that does not seem to exist. How do I claim that address to retrieve funds I see sitting in the ...
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2answers
37 views
contacting an address possible?
this might sound stupid for some, maybe even hilarious, have a laugh but please be kind when replying:
the question: is there a way to contact or send a message to an ETH-address?
my issue: I only ...
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0answers
31 views
How to obtain the implementation address from an upgradeable proxy smart contract?
Is there any way to externally obtain the current implementation address of a proxy that doesn't involve interacting actively with it (e.g. calling a transfer or approve function, i.e. without using ...
0
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2answers
61 views
Can Ethereum wallets be deleted for fraud?
Stellar Foundation, who created the Stellar Lumens coin (XLM), are able to shut down XLM addresses that engage in fraud. Stellar scammers often send small payments to other XLM wallets at random with ...
0
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1answer
51 views
Multiple receiver addresses for a single private key possible?
I'm looking at the difference between bitcoin and Ethereum wallets, and I'm confused about this part:
It seems that a bitcoin wallet can have multiple receiver addresses: In my mind this translates to ...
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0answers
7 views
How do I pass a dictionary for the in3_registry value for the Incubed Python API?
I am using Python 3. I have installed the in3 (Incubed) Python module. I want to invoke the ClientConfig of the in3 Python API in a specific way. There is an in3_registry argument that is part of ...
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1answer
79 views
when msg.sender is the owner?
how do I know if the msg.sender is the owner (the person that deployed) of the contract or a random address that interacted with the contract?
in this case for example:
address payable owner = ...
0
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1answer
21 views
any 3rd party service that can get all transaction?
3rd party service recommended
have any 3rd party service that can get all transaction of address?
because from my research the web3 cant get the full transaction by account.
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0answers
70 views
How can I create an ethereum wallet which can show many addresses balance?
I'm looking for a wallet which can scan many ethereum addresses balance,(like electrum for bitcoin).
I need to import 200 (or more) eth addresses and scan their balances include their tokens(if funded)...
1
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1answer
94 views
How is this address a contract in kovan and address in mainnet
0x4F96Fe3b7A6Cf9725f59d353F723c1bDb64CA6Aa is the address for kovan DAI. However this is an actual address on the ethereum mainnet. How is this possible? How is the private key for this address ...
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0answers
16 views
Traversing transaction within a contract
Is it possible to get an address' transaction history within a contract using solidity? If it is possible, how can one go about it?
2
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0answers
41 views
events and relationships between smart contracts and oracle smart contracts [closed]
How to subscribe a web3j client node to a smart Oracle contract event? Do I need the Oracle contract address?
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0answers
7 views
Will Ethereum generate the same private key? [duplicate]
We know that Ethereum first generates a 256-bit private key, and then generates a 160-bit address on the basis of this private key. So in theory, it is possible for Ethereum to generate the same ...
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0answers
23 views
Which blockchains use the same addressing as Ethereum?
Which blockchains use the same addressing as Ethereum?
I find this blockchains:
Smart chain BNB
ETC
VeChain VET
GoChain GO
POA Network
Callisto
Wanchain
TomoChain
Thunder
Theta
Minter (without MX)
...
3
votes
1answer
857 views
Uniswap v2 pair before liquidity add
I have a token contract and I want to add liquidity to Uniswap (mytoken + ETH).
Before that, I would like to know the pair address in order to set it in my contract.
Is it possible to create a pair on ...
1
vote
1answer
71 views
How to generate unique ETH deposit address for ecommerce or payment processor?
Example of a payment processor or an ecommerce website.
I would like to generate unique ETH address for each transaction.
I'm genuinely curious what is the the best way of doing it?
Potential solution
...
0
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1answer
47 views
Why cast address to address?
In defi contracts, I see codes like this
address public constant dai = address(0x6B175474E89094C44Da98b954EedeAC495271d0F);
What's the point of casting an address to address? Or is this just messy ...
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0answers
36 views
Deriving a Bitcoin Address from Ethereum Private Key
There have been many answers about how to derive an Ethereum Address from a Bitcoin private key, but a curious problem has led me to ask how one would do the reverse. I'm sure it's possible because ...
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0answers
15 views
What is impacting generated contract address? [duplicate]
What is used to generate contract address.
I found this project https://github.com/johguse/profanity
And I want to generate vanity contract address.
If I understand correctly it not depends from ...
2
votes
1answer
1k views
how to get list of transactions history about specific contract address using web3?
I really don't know how to get a list of transactions history about specific contract address using web3.py
and I use Infura HTTPProvider
I just have only one 'contract address'.
Can i get information ...
