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I'm trying to use Uniswap V2: Router 2 through Etherscan:

https://etherscan.io/address/0x7a250d5630b4cf539739df2c5dacb4c659f2488d#writeContract

As a test example I am looking to swap 10 RFI (contract address: 0xa1afffe3f4d611d252010e3eaf6f4d77088b0cd7) for YLD (contract address: 0xdcb01cc464238396e213a6fdd933e36796eaff9f).

I put the amountOutMin number very low so it would go through no matter what. Sadly I don't think I've input the swap route correctly? Any advice would be appreciated.

Writing contract swapExactTokensForTokensSupportingFeeOnTransferTokens

amountIn (uint256)
10000000000000000000

amountOutMin (uint256)
500000000000000

path (address[])
["0xa1afffe3f4d611d252010e3eaf6f4d77088b0cd7", "0xdcb01cc464238396e213a6fdd933e36796eaff9f"]

to (address)
0x[redacted]

deadline (uint256)
1611748800

Error thrown: invalid address (arg="path", coderType="

image of the error the contract throws

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  • sorry for the noob problems... will look to do this on something like brownie via Vyper once I feel a bit more competent.
    – Alp
    Jan 27, 2021 at 11:30
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    resolved, address format was: 0xa1afffe3f4d611d252010e3eaf6f4d77088b0cd7,0xdcb01cc464238396e213a6fdd933e36796eaff9f
    – Alp
    Jan 27, 2021 at 11:56

1 Answer 1

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Are you sure that there's a pool available containing those two tokens? One reason for failure is that a pool doesn't exist for the pair. Another might be that there isn't enough liquidity.

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  • If you have a new question, please ask it by clicking the Ask Question button. Include a link to this question if it helps provide context. - From Review
    – Julissa DC
    Jan 19, 2022 at 20:06

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