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Questions - uniswap

Web3py swap tokens path of contracts

I'm trying to swap tokens with web3py using the swapExactETHForTokensSupportingFeeOnTransferTokens function, with some tokens it works perfectly, in others I get the error "execution reverted: Pa...
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MariINova

python

web3py

uniswap

pancakeswap

Votes: 0

Answers: 1

Latest Answer

I am searching for the same thing, for now, an answer lies in this https://cryptomarketpool.com/use-web3-py-in-python-to-call-uniswap/ More exaclty: you locally get all listed pairs ... allPairsLength...
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abarbatei

Uniswap V3 sqrtPrice for ETH/DAI and ETH/USDT, ETH/USDC vastly different

I use IUniswapV3PoolState.slot0 to return sqrtPriceX96 and tick for different pairs in Uniswap V3. The results are very reasonable for ETH/DAI, but it's quite different for ETH/USDT and ETH/USDC. This...
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Tian L

blockchain

uniswap

Votes: 0

Answers: 1

Latest Answer

EVM compatible blockchains use fixed-point math. The floating point values that you see in the UI are abstractions, technically everything is an integer; a specific number of digits reserved to repres...
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kfx

A problem with uniswap v2 periphery contract, can't make a swap through my own contract using the interfaces

I have deployed this code on ropsten testnet to test uniswap swaps. I am trying to make swap using function "swap" of my contract with this data path: 0xc778417E063141139Fce010982780140Aa0cD...
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StayAway

token

blockchain

solidity

smartcontracts

uniswap

Votes: 0

Answers: 1

Latest Answer

Please check you make your pool successfully or not? Steps: Customize Uniswap Make Tokens Import Tokens Make Pool Swap
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Istiaque Ahmed

Implementing Uniswap v3 API single swap example on scaffold-eth - ERROR: cannot estimate gas

Using scaffold-eth to implement this single swap example from the uniswap documentation. Pretty much just copied and pasted the code and was able to deploy it successfully to rinkeby: //SPDX-License-I...
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snn

ethereum

solidity

uniswap

Votes: 0

Answers: 3

Latest Answer

The recipient is not msg.sender, it should be address(this). Also you have to take care of the functions TransferHelper, who is going to receive, who is going to send.
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Cristian Alzate

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