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dwardu
  • Member for 4 years, 7 months
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5 votes
Accepted

Storage limit of 2-level mapping

4 votes
Accepted

How to test Uniswap contracts locally?

3 votes
Accepted

Is it cheaper to store a string or convert it to bytes32 with abi.encodePacked()?

3 votes
Accepted

What are some practical use cases of the fallback function?

3 votes
Accepted

Can a mapping have defaulted value

3 votes

What is the difference between transfer() and trasnferfrom() and when should i use it

2 votes
Accepted

error comparing two bytes memory

2 votes

What is the pupose of TokenID increment in OpenZepplin implementation?

2 votes
Accepted

How to deal with 256 bit numbers in javascript and perfom bitwise operations on them?

2 votes

Failed to deploy to Graph node: Ethereum network not supported by registrar: mainnet

2 votes
Accepted

Should external non-pure functions have any return values?

2 votes
Accepted

Ethers.js signing a message to validate EOA is who they say they are

1 vote
Accepted

Why do people like use erc721 to public NFT instead of erc1155?

1 vote
Accepted

What is the type external auth(wallet) for a function in solidity?

1 vote

Unused function parameter. Remove or comment out the variable name to silence this warning

1 vote

Why is there a requireStatement ensuring currentOwner > LastOwner in the checkNSignatures() function on GlobalSafe.sol?

1 vote
Accepted

I am misunderstanding the gas data i'm seeing. Where is my disconnect?

1 vote
Accepted

How can I pass an array of addresses from one contract into another?

1 vote
Accepted

How to make an NFT out of an image using Solidity?

1 vote
Accepted

How does Solidity handle multiple payables in one function?

1 vote

Is a smart contract analogous to an OOP class?

1 vote

How safe are the view functions, can anyone see the data I am sending to a view?

1 vote

Best way to list all tokens of user in Solidity

0 votes

DeclarationError: Undeclared identifier while it's declared

0 votes

Send fee tokens to non-zero address SOLIDITY

0 votes

How exactly was the small pics inside the Beeple NFT cryptographically hashed along with the consolidated big one?

0 votes
Accepted

Before jumping into solidity, which languages should I get good at?

0 votes
Accepted

How to derive method signature giving methodId and contract sourcecode?

0 votes

Is there a problem to put decimals of my new token fewer than 18?

0 votes
Accepted

How to split a string in solidity?