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Top Questions

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53 views

I deployed an contract , have total supply but no token holder

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0 answers
52 views

Using memory vs storage for arrays in structs in Solidity - Q&A

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46 views

Error! Unable to generate Contract ByteCode and ABI, unable to verify on bscscan

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1 answer
46 views

How to mint nft with ERC721A using tokenuri or uri (string) as in URI-Storage?

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1 answer
43 views
+50

Deploy SmartContract to local Hyperledger-Besu network using Brownie

1 vote
2 answers
42 views

Can ERC-20 token transfers have re-entrancy?

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0 answers
38 views

Error: missing revert data in call exception on tokenOfOwnerByIndex and tokenByIndex from openzeppelin ERC721Enumerable

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2 answers
28 views

How to pop() a mapping of array in solidity 0.8?

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2 answers
25 views

Why am I NOT able to interact with ALL of my smart contract functions via my HTML GUI?

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1 answer
25 views

Generating Randomized Start Index for TokenIds in a NFT Contract

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1 answer
19 views

fallback not executing

1 vote
3 answers
29 views

Transfer function reverts

1 vote
1 answer
22 views

Assembly vs solidity delegatecall

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1 answer
28 views

how to use a library with testcases using hardhat

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1 answer
26 views

How to test address(0) with Hard Hat?

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1 answer
26 views

Ether.js BigNumber overflow when I use a contract with wei

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26 views

Depositing Weth ERC20 from Brownie into Aave Pool in contract

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2 answers
25 views

How do you create a staking contract?

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1 answer
25 views

Does an ETH purchase on a CEX result in creation of a Tx on the ETH network?

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1 answer
19 views

Deploy contract with Bytecode from smart contract

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0 answers
24 views

gnosis-safe I want to create a sell order on opensea using gnosis safe multisignature

1 vote
1 answer
24 views

ERC1155 Deficiencies

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1 answer
18 views

Can a smart contract have multiple addresses?

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0 answers
22 views

How to convert USD to ETH?

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1 answer
17 views

How to format hex string to solidity address?

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1 answer
17 views

Encode a struct with solidity

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1 answer
21 views

Rinkeby faucet needed in bulk but Faucets are not working

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1 answer
21 views

Get the 'from' address of a transaction from the smart contract event log?

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1 answer
16 views

Can you use delegatecall in the logic contract of a clone?

1 vote
1 answer
20 views

Transaction fail error

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1 answer
20 views

will 0x exchange proxy every refund eth?

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1 answer
20 views

How to get state of transaction from ethereum blockchain via an API

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20 views

Decode input data in bigquery on polygon

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0 answers
20 views

How to get struct arrays within structs in ethers?

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1 answer
20 views

Authentifying a call to a smart contract function

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1 answer
20 views

swapExactTokensForTokens estimateGas fails with execution reverted

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0 answers
20 views

How do I set the allowance for ERC20 tokens in Foundry?

1 vote
2 answers
15 views

How to show my own contract name in Token Tracker field of an ERC1155 Contract?

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1 answer
15 views

How to call a contract's method via web3 1.x without a node (sign with a privateKey and send)?

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1 answer
15 views

If not in the EVM, where do internal functions execute?

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1 answer
19 views

Indexed expression has to be a type, mapping or array (is uint256)

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0 answers
19 views

Unable to sync with Geth snap sync – estimated to take over 6000 hours

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0 answers
18 views

Execution of limit orders

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1 answer
18 views

Send ether from one address to another every month (like EMI payment)

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1 answer
18 views

Ethers.js and Metamask, how to get currently selected account?

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0 answers
18 views

Developing a Staking and Un-staking Smart Contract

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1 answer
18 views

0x api: how to set specific receiver address on quote interface?

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1 answer
14 views

How to generate and remember, or to be able to deduce, the private keys of a few millions of addresses?


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