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Active 5 Bountied Hot Week Month
0 votes
2 answers
1k views
How to swap wETH for ETH on Polygon network?
qwr
  • 113
0 votes
1 answer
999 views
This transaction is expected to fail. Trying to execute it is expected to be expensive but fail, and is not recommended
Yilmaz
  • 338
3 votes
3 answers
351 views
NFT royalties with solidity smart contracts
Alex Rienzie
  • 46
1 vote
1 answer
282 views
What should I write in token decimal while importing NFT in Metamask
razgraf
  • 602
3 votes
2 answers
132 views
Bulk Distribution of NFTs to Wallets with Varying Quotas
William Entriken
  • 3,259
2 votes
2 answers
139 views
How to deploy a bytecode-only contract without an ABI
Giuseppe Bertone
  • 3,590
1 vote
1 answer
95 views
Can an ERC-20 have more than 18 decimals?
pbsh
  • 1,071
3 votes
2 answers
87 views
What is the most gas efficient way to get the value of a bit in an unsigned integer?
Giuseppe Bertone
  • 3,590
1 vote
1 answer
103 views
If a function returns two or more values and I wish to use one of the two in another function, how do I do that?
Kostiantyn Kurbatskyi
  • 630
1 vote
2 answers
138 views
Can't reproduce the reentrancy bug
Kostiantyn Kurbatskyi
  • 630
0 votes
0 answers
221 views
How to set a max supply of an ERC-721 token?
Adam
  • 3
1 vote
3 answers
131 views
How can I put price on my nft with my token
Patrick
  • 11
1 vote
2 answers
60 views
Deploying a simple contract to ETH Mainnet (from remix) costing $500? Am I doing this wrong?
RoliJ
  • 121
1 vote
2 answers
98 views
Hardhat how to impersonate an account for a local fork without using etherjs
Franco Victorio
  • 1,291
2 votes
1 answer
95 views
Same ERC20 token on both BSC & Ethereum networks
Afr
  • 30.8k
0 votes
1 answer
198 views
We send the balance of the smart contrat using payable function to another smart contrat on gnosis safe
Richard
  • 2,603
0 votes
2 answers
115 views
Different IDs for bulk NFT mint in ERC-1155
iso_9001_
  • 103
1 vote
1 answer
86 views
Burn ERC721 without externally exposed burn function
Lauri Peltonen
  • 21.3k
0 votes
1 answer
139 views
How to access the price nft asset is being sold for in your NFT contract?
hassan ahmed
  • 163
1 vote
2 answers
79 views
Message call to another contract with argument not working
ori
  • 251
0 votes
0 answers
163 views
Web3.js package throws a lot of errors when importing in React app
Prakhar
  • 1
0 votes
1 answer
158 views
Approve BUSD token in pancakeswap
Ismael ♦
  • 28.5k
1 vote
2 answers
123 views
How to use calldata return values in Solidity and when are they useful?
cameel
  • 1,180
0 votes
1 answer
122 views
Fail with error 'TransferHelper: TRANSFER_FROM_FAILED' even approved in contract
Richard
  • 2,603
1 vote
1 answer
91 views
Swap for tokens with Bot Protection Enabled (BpEnabled)
Undead8
  • 3,004
1 vote
2 answers
91 views
Is it possible to make a static call to a non-static function from within a smart contract without changing blockchain state?
Richard
  • 2,603
1 vote
1 answer
114 views
How to query my Polygon NFTs created on Opensea?
navigaid
  • 156
0 votes
0 answers
146 views
I get "There was a problem processing your request" when buying or accepting an offer on OpenSea
Jonas Merhej
  • 76
0 votes
3 answers
40 views
Consensus and Trust
Mad Jackal
  • 1,125
1 vote
2 answers
50 views
Error publishing source code
Stanislav Svědiroh
  • 21
0 votes
2 answers
64 views
Using ECDSA to verify a signature inside smart contract
rodrigosimoesrosa
  • 101
2 votes
1 answer
82 views
+100
Sending a transaction despite ContractLogicError
hroussille
  • 2,476
0 votes
1 answer
135 views
Undefined output when using getPair and getReserves in web3 / node.js
defiman
  • 1
1 vote
1 answer
104 views
How are Uniswap fees distributed equally factoring in both proportion and duration pooled?
MShakeG
  • 171
0 votes
0 answers
133 views
How to fix PancakeLibrary: INSUFFICIENT_INPUT_AMOUNT?
Дмитро Швагуляк
  • 1
1 vote
1 answer
103 views
Polygon Mumbai test net MATIC tokens
Hristo Todorov
  • 475
1 vote
1 answer
80 views
How to call an external contract function using custom Struct from typescript
GongFu
  • 83
1 vote
1 answer
102 views
TypeError: Member "toString" not found or not visible after argument-dependent lookup in uint256
Julissa DC
  • 680
0 votes
1 answer
126 views
How to approve() a ERC721 token to an unknown address which buys the token at some later point?
Same Issue
  • 1
1 vote
2 answers
76 views
Expected Identifier but got '='
Richard
  • 2,603
0 votes
0 answers
124 views
How to disconnect Metamask Wallet from website using web3?
K.Araki
  • 1
0 votes
1 answer
124 views
ERC-1155 interface with MetaMask mobile
Asaf Kozovsky
  • 11
0 votes
2 answers
75 views
Cannot approve or sell token swapExactTokensForTokens: transaction fails (not a honeypot)
Richard
  • 2,603
1 vote
2 answers
123 views
raise ValueError("Explorer API not set for this network") ValueError: Explorer API not set for this network
Casey Alexander
  • 1
1 vote
1 answer
94 views
how to hardhat test against a mainnet fork?
Jessica
  • 131
1 vote
1 answer
91 views
Using Gnosis Safe to deploy a smart contract
mikheevm
  • 196
1 vote
3 answers
69 views
Is there an easy to use command line tool to create send transactions in Ethereum and forks of ethereum?
abirpahlwan
  • 3
2 votes
2 answers
53 views
Why is my NFT showing as a placeholder image instead of the actual NFT image?
Matt Swezey
  • 1,197

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