All Questions
Tagged with decentralized-exchange contract-development
21 questions
0
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212
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How did owner remove token liquidity during trading on DEX even if their ownership is renounced?
Im non-tech trader. Today I experienced that the owner did remove token liquidity during trading on DEX and made it become honypot even if their ownership is renounced (checked via Token Sniffer)
I ...
0
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0
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80
views
How to Ensure Custom Tax is Applied on Token Swaps in Solidity Smart Contract?
I'm developing a smart contract for a token (FMYNT) using Solidity on the Binance Smart Chain testnet, integrated with PancakeSwap testnet. I've implemented a custom 5% tax feature for buy and sell ...
- 535
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0
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81
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Simple code example to implement tax on sell/buy transactions for a token on Uniswap DEX causing "Your swap is expected to fail.." error
I am trying to implement a sell/buy tax on transactions for my token when users trade on Uniswap DEX. My token's smart contract includes a tax deduction mechanism that functions correctly on EtherScan ...
- 535
0
votes
1
answer
27
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Projects you made [closed]
Which projects you made that get you to expert level in solidity? I'm trying to be a smart contract dev. with solidity and wanna see which ones you made so I could benefit from it.
- 61
0
votes
1
answer
52
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How to Perform Cross-Chain Swaps?
I'm trying to facilitate cross-chain swaps between Binance Smart Chain (BSC) and Polygon networks. What are the steps or tools I can use to achieve this? I'd appreciate any guidance or resources you ...
- 141
1
vote
1
answer
27
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Running a Cryptocurrency Bot 24/7 Without a Computer
I've developed a cryptocurrency trading bot, but I don't want to leave my personal computer running all the time just to keep it operational. Is there a method or service that allows me to run the bot ...
- 141
0
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0
answers
62
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Subgraph Link for Uniswap V2 on BSC?
I'm looking for the SubGraph Api endpoint to interact with UniswapV2 on the Binance Smart Chain (BSC). Can anyone provide the specific link or information on how to access it? I appreciate any ...
- 141
1
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0
answers
22
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Am i right on this? [closed]
Do I just need to deploy my contract on Base chain testnet to use its layer2 solution? Or there is other steps? It is too confusing for me, Please guide me on this.
- 677
1
vote
2
answers
265
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I did not understand why q96 used here in uniswapV3 development book
This code is from Uniswap v3 development book:
sqrtp_low = price_to_sqrtp(4545)
sqrtp_cur = price_to_sqrtp(5000)
sqrtp_upp = price_to_sqrtp(5500)
def liquidity0(amount, pa, pb):
if pa > pb:
...
- 677
0
votes
3
answers
2k
views
What is Ticks on Uniswap?
I'm a very beginner in dex protocol. Can someone explain to me what is a uniswap Tick? Many thanks.
- 141
1
vote
0
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101
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How to use a DEX aggregator in a fund without risking concurrency calls?
I will begin with some context.
I currently building a kind of vault (like enzyme.finance or nested.fi) where an administrator can create a vault and then an investor can deposit fund in the form of a ...
0
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1
answer
173
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Who pays funds for Marketing, Giveaways for Decentralized Company like Binance?
I wonder who gives funds for Marketing, Community Giveaways, etc in a decentralized companies like Binance. For Example, right now "Press a Button, Win a Bitcoin!" Event is going and the ...
user99415
0
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0
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125
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How "polymath" is doing "Ticker symbol reservation" on Ethereum?
So, from what I understand it is not possible to reserve the ticker symbol on the Ethereum network (I read this and this) But I am trying to understand what the Polymath is doing by "Ticker ...
- 240
2
votes
0
answers
661
views
How to reserve a ticker symbol for an ERC-20 token?
Cryptocurrencies and tokens are identified by a ticker symbol like MATIC (Polygon), AVAX (Avalanche), and KSM (Kusama).
How do developers reserve these ticker symbols before or during their ICO so ...
- 1,568
1
vote
2
answers
613
views
How to proxy for a DEX router in ganache (development)?
I am testing a smart contract that uses a Pancake Swap as DEX exchange/router. For learning purposes, I am trying to setup everything in local environment. I have successfully setup ganache in the ...
- 111
0
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0
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235
views
Best practice for using interface functions in the contract
I'm developing a DEX contract and trying to figure out what is the best way to use Solidity Interfaces. I did some research and found out there's multiple ways of using interfaces in smart contracts ...
- 57
2
votes
1
answer
4k
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Unable to understand master-chef contract in pancake-swap
**I am going through a master chef contract in pancake swap farm and I am unable to understand some points in that contract.
—>what does reward debt means in user info, Is it the rewards he
need ...
- 81
6
votes
1
answer
13k
views
How does Uniswap calculate price impact without fee on the swap page?
Context: We are creating a smart contract which integrates Uniswap DEX for swapping Tokens to ETH. We need to make sure one swap does not impact the token price more than 3%.
We are in need to write a ...
- 61
0
votes
1
answer
66
views
How to create an ICO token that can be tradeable
How to create an ICO token with low fees that can be tradeable on decentralized exchanges.
E.g bob send 0.1ETH to the smart contract ,he receives the Eth for the ICO and can trade it, also the ...
1
vote
1
answer
440
views
Create a contract that can restrict the sale of the token in exchange
Possibility of create a contract that can restrict the sale of the token in exchange.
Restrict by not selling all token only particular percentage of token.
To make use of the major token in ...
- 69
0
votes
2
answers
576
views
Can one fork a decentralized exchange smart contract since the code is out in the open?
Since ethdelta and idex are decentralized exchanges, meaning there is no "central" server. The smart contract code is in the ethereum blockchain. Can one just copy this smart contract and launch a ...
- 4,810