All Questions
7 questions
1
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15
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Most Ethereum Wallets are unable to properly estimate the gas for this transaction - is it a recurring bug?
These are two defi transactions that are doing a loan rollover on mainnet: borrowing money from Aave to pay off a loan and open a new loan.
When i simulate them in tenderly it looks like they run out ...
0
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0
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10
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Tokenized margin positions
Is there a protocol in DeFi that tokenizes long & short positions?
So you're able to buy a token that represents all variables from N position.
1
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0
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43
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My createTokenPair function isnt working when I call it from my frontend please help
Hello, I`ve forked Uniswap V2 perfectly fine on the backend and now I want to connect it to my frontend. I have built a basic webpage and I am now doing the frontend. When calling the createPair ...
3
votes
0
answers
44
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Classical bit-fiddling tricks that don't work in the EVM
Many classical bit-fiddling/bit-hacking tricks work very well on the EVM and allow one to save a significant amount of gas when programming in Yul/Solidity (for a reference to the classics, see Sean ...
2
votes
2
answers
335
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how is the EXP opcode priced? and when to use it?
In the EVM, the MUL opcode costs 5 gas and is used to perform multiplication. For example, the arithmetic behind computing 20 * 30 = 600 should cost 5 gas.
The EXP opcode is used to perform ...
0
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1
answer
76
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How to create a timer to unlock the particular amount of tokens in a contract after a certain period of time?
I want to create a BuyMeACoffee contract where the tippers can withdraw the amount they tipped before 24hours of transactions, but I also want the owner to be able to access (or withdraw) these tokens ...
0
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1
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511
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ERC20 -> ERC20 Swapping liquidity pool
I want to write a system that will exchange any ERC20 for any other ERC20 registered in the system using Uniswap
I already wrote a contract for Ether swap in DAI and back with UniswapRouterV2
My ...