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so I was attempting a transaction, as you can see in my transaction, I wanted to spend the amount highlighted in the picture around 0.02 ETH. I paid extra for gas to make sure my TX would be quicker. Then I saw another transaction that was successful however this one had a higher value of 0.1 ETH. I understand that with new coins there are limits to how much someone can buy so perhaps that's why my transaction failed. But what I don't understand is why does their transaction have a higher value than mine but despite that manages to go through? Unlike my transaction, this person's TX has internal transactions but mine doesn't. Please help as I'm a bit confused about this. Thanks

The links to my Transaction and the person in question's Transaction are: https://etherscan.io/tx/0x07fdf7a1aed7fb3e313a20c4a5954c7204032d50b73a27429f3b598d9e93135e https://etherscan.io/tx/0x5abeef45172aef786142f24b64fff5308fe22b8d520ec8335e6ff1484fc63816

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Compare two transactions(at the bottom of the tx page, Click to see more), difference is:
Method: you call to swapExactETHForTokens, others call to swapETHForExactTokens.

swapExactETHForTokens: spend exact ethers along with the TX, 0.022416355748973361 for your case, to get some target tokens.

swapETHForExactTokens: to get exact target tokens, spend ethers( amount depends on realtime price).

I paid extra for gas to make sure my TX would be quicker.

It won't work, instead, increase gas price to make your TX quicker.

Uniswap offical docs: https://docs.uniswap.org/contracts/v2/reference/smart-contracts/common-errors

UniswapV2: TRANSFER_FAILED This means the core contract was unable to send tokens to the recipient. This is most likely due to a scam token, where the token owner has maliciously disabled the transfer function in a way that allows users to buy the token, but not sell them.

The target token Floki Max (FMAX) may have unusual logic that block your TX.

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  • Thanks. I think I understand what the issue was now.
    – SA22K
    Commented Jan 4, 2023 at 10:20

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