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make_trade_output#309

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crypto-chen asked this question inQ&A
Jan 3, 2023· 1 comments· 3 replies
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Could not identify the intended function with namequoteExactOutputSingle, positional argument(s) of type(<class 'str'>, <class 'str'>, <class 'int'>, <class 'float'>, <class 'int'>) and keyword argument(s) of type{}.
Found 1 function(s) with the namequoteExactOutputSingle: ['quoteExactOutputSingle(address,address,uint24,uint256,uint160)']
Function invocation failed due to no matching argument types.

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Replies: 1 comment 3 replies

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uniswap = Uniswap(address=address, private_key=private_key, version=version, provider=provider)

Some token addresses we'll be using later in this guide

eth = Web3.toChecksumAddress("0x0000000000000000000000000000000000000000")
usdc = Web3.toChecksumAddress("0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8")
usdt = Web3.toChecksumAddress("0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9")

a = uniswap.make_trade_output(eth, usdc, 0.5*10**18)

print(a)

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3 replies
@crypto-chen
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web3.exceptions.ContractLogicError: execution reverted: Unexpected error

@ErikBjare
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Youramount needs to be anint.

@crypto-chen
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ValueError: {'code': -32601, 'message': 'the method eth_feeHistory does not exist/is not available', 'data': None}
This is my make for optimal blockchain transactions_ Error report generated by trade method

eth = Web3.toChecksumAddress("0x0000000000000000000000000000000000000000")
usdc = Web3.toChecksumAddress("0x7F5c764cBc14f9669B88837ca1490cCa17c31607")
susd = web3.toChecksumAddress("0x8c6f28f2F1A3C87F0f938b96d27520d9751ec8d9")
usdc_susd_amout = uniswap.get_price_output(susd, usdc, 21, fee=3000)
print(usdc_susd_amout)

tx_hash = uniswap.make_trade(usdc, susd, usdc_susd_amout, fee=3000)tx_has_sh = tx_hash.hex()print(tx_has_sh)
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