Quote from: bigdude on June 01, 2018, 01:17:44 PM

Quote from: leftover_potato on June 01, 2018, 02:49:26 AM

Hi guys,

I'm running a small crypto exchange website.

I would like to know from grandmasters here, that is there any harm if an user request an ETH withdrawal to a contract address?

I send the withdrawal twice. The first one is fine. It went thru. However, the second transaction shows a "!" sign that says "Error of tx: Out of gas" and it already minus my balance.

Should i resend again or just ignore it? If any, what should i do?

Thank you.

if you send eth to contract address it maybe lock in it or that contract address have been code with some function to let owner cashout
you should ignore it and contact your user again to make sure

Hi,

thank you for your reply.

so... at this moment recommended not to send over? I mean, i don't really mind to send over although the transaction fee is above than usual, but my concern is more towards if that ETH contract address can make some fishy thing... like let's say... a callback? Or anything that jeopardise my exchange security or anything... Huh