Questions tagged [checksum]
The checksum tag has no usage guidance.
23
questions
1
vote
0
answers
15
views
Are there any good tools, specifically code packages to checksum eth validator addresses?
Are there any good tools, specifically code packages to checksum eth validator addresses? They are longer than normal Ethereum addresses, and because of that I find the Web3 python library refuses to ...
0
votes
1
answer
155
views
Converting checksummed address to non-checksummed address
I'm aware that the web3 library has the toCheckSumAddress method that converts an upper or lowercase Ethereum address to a checksum address. Am wondering if there is any method available that converts ...
2
votes
2
answers
140
views
How to hardcode a big list of addresses with bad checksum?
I need to hardcode a big list of addresses that don't verify checksum (they're all low caps).
address[] private list = [address(this), 0xabc...];
Compiler 0.8.17 ends with an error:
SyntaxError: This ...
0
votes
0
answers
249
views
Workaround invalid checksum when using ETH Private Key to sign messages sent to contract
I'm using an ETH private key to sign messages sent to a contract. I'm recovering the address from the signature inside the contract to verify the message (This actually took me days to piece together ...
0
votes
0
answers
49
views
geth.exe checksum is differant than what is writen on the website but the installers checksum is correct. is this an issue?
I started syncing geth with this command he command:
geth --rpc --etherbase <pulbic wallet adrress> --syncmode=fast --cache=2048
and about 25 hours later, the syncing stopped and this error ...
2
votes
1
answer
728
views
Change a Checksum Address to Its Normal Hex Value
I know there are functions to convert hex address -> checksum address, but are there any to convert checksum address -> hex address?
3
votes
2
answers
883
views
How does EIP-55 prove a string is ACTUALLY a valid Ethereum address?
I wonder how EIP 55 check proves an address is actually an Ethereum address, or does it prove this at all?
Am I missing an obvious point in Vitalik's code below from EIP 55?
from ethereum import ...
0
votes
2
answers
79
views
web3js returns non-checksumed addresses!
Why does web3js 0.20.6 returns all-lowercase addresses on contract creation not a checksumed address?!
How to deal with this trouble?
2
votes
2
answers
2k
views
Address checksum Solidity implementation
Looking at EIP-55, there are quite a few client-side address checksum implementations provided but no Solidity implementation. Are there any existing examples of computing address checksums directly ...
0
votes
1
answer
915
views
What does Error: Provided address "1.2870172725867908e+48" is invalid, the capitalization checksum test failed
I have assigned my variables here
> var contractAddress = 0xb5A5F22694352C15B00323844aD545ABb2B11028
> var cont = new web3.eth.Contract(abi, contractAddress)
I am getting the error :
...
0
votes
1
answer
145
views
Checksum vs. Hash: Differences and Similarities ? [closed]
What are similarities and differences between a "checksum" algorithm and a "hash" function?
Can they be used instead of each other? Or their usage are different?
For example, for verifying the ...
3
votes
4
answers
23k
views
How to fix checksum mismatch in downloaded node for Ethereum Wallet?
I attempted to update Ethereum Wallet to 1.8.2 and was given an error:
Checksum mismatch in downloaded node!
MD5: 308...
Please install the geth node version 1.8.2 manually
So I went to https://...
9
votes
1
answer
14k
views
Remix Warning: This looks like an address but has an invalid checksum
I have the following contract:
pragma solidity ^0.4.13;
contract Test {
function test() public payable {
address(0xCF5609B003B2776699EEA1233F7C82D5695CC9AA).call(1);
}
}
The Remix ...
8
votes
5
answers
14k
views
What is the tool for address checksum?
I have an error from web3:
Unhandled rejection Error: Given address "0x" is not a valid Ethereum address.
My question is if is there any tool that can fix my address (add checksum).
1
vote
1
answer
6k
views
Is possible to check if a address belongs to an exchange?
Most of the exchanges do not accept utility tokens from a contract. Is there a way to validate/check if the target address is/belongs to a exchange?
2
votes
1
answer
313
views
Checksum calculation for icap address
I am integrating the new coin, for this i need to create the ICAP address. In this address generation process, we need to generate the checksum, for this how i may create the checksum. example my ...
11
votes
2
answers
5k
views
Some characters in Ether addresses have changed to capitals after upgrading Mist
I recently upgraded Mist from 0.3.9 to 0.5.0. I have noticed that the capitalisation of some of the characters in my public address have changed. Is this normal?
4
votes
2
answers
347
views
What's an "indirect ICAP address"?
The ethereum wiki has a specification of basic, direct and indirect ICAP addresses. Where the basic and the direct are well explained here and here, I have trouble to understand how indirect ICAP ...
3
votes
1
answer
230
views
How strong are the checksums in Ethereum addresses?
2 options for Ethereum addresses which have checksums are ICAP and EIP55. Are there others?
For each option, how strong are the checksums? What is the chance that a typing mistake (or mistakes) ...
89
votes
9
answers
111k
views
How can I check if an Ethereum address is valid?
I've read many times that you should never input an address by hand unless you want to accidentally send Ether into no-mans-land. I'd like to know what those checksums might be.
Is there a way to ...
3
votes
1
answer
214
views
What options are suitable for Ethereum addresses with checksums?
Since Ethereum addresses don't have checksums, should ICAP addresses (which do have a checksum) be proliferated?
Or are there other options more suitable for the proliferation of checksummed ...
9
votes
1
answer
4k
views
What is an ICAP address?
It appears ethereum is using plain hexadecimal addresses like 0x0092e965928626f8880629cec353d3fd7ca5974f for now.
I noticed, the ethereum C++ implementation outputs so called ICAP addresses, check ...
56
votes
4
answers
19k
views
Why don't Ethereum addresses have checksums?
A checksum, similar to its use in Bitcoin addresses, can primarily prevent mistyped or invalid addresses from being used, before a transaction with an invalid address is constructed.
Why don't ...