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).
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Looks like you're trying to pass an illegal address, without any trailing zeros. Are you trying to send to the zero address (0x0) ? – jojeyh Oct 15 '17 at 21:21
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No I found out that etherscan.io is formatting address in correct form with checksum, but I still have warning from web3. – gkucmierz Oct 15 '17 at 21:25
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Here is an online tool for you tokenmarket.net/ethereum-address-validator – Mikko Ohtamaa Mar 15 '18 at 8:45
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If you prefer a simple web version, check out EthSum. Disclaimer: I'm the author, it's an open source tool.
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With web3 you can do:
web3.toChecksumAddress('INSERT ADDRESS HERE')
It will return the address with checksum
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Yes, you can.
Replcae your address in the following url of etherscan https://etherscan.io/address/{address} like this:
you want the checksum for address 0x0fd60495d705f4fb86e1b36be396757689fbe8b3 so you need to call https://etherscan.io/address/0x0fd60495d705f4fb86e1b36be396757689fbe8b3 then copy the address with valid checksum 0x0Fd60495d705F4Fb86e1b36Be396757689FbE8B3 on the loaded page.
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These are the functions you're looking for: specification of the corresponding EIP and the implementation.
answered Oct 16 '17 at 7:02
