Support   Contracts


Topic Replies Activity
Is it safe to charge a user inside a function being called using GSN? 1 April 6, 2020
Error deploying simple ERC777 contract with Truffle and Ganache 15 April 5, 2020
Creating constructor for TokenVesting contract 2 April 3, 2020
Using Remix to Deploy OpenZeppelin ERC20 contract 2 March 31, 2020
Any ERC-20 with Gasless Transactions even exist? 4 March 30, 2020
How can I make an ERC20 both Burnable and Detailed? 3 March 29, 2020
Failed to upgrade with error: Error: The execution failed due to an exception 4 March 29, 2020
ERC777 Recipient Smart Contract errors with "Error: The execution failed due to an exception." 12 March 26, 2020
How to create a non-transferrable, burnable ERC721? 2 March 6, 2020
Where is ERC721Mintable.sol in OpenZeppelin Contracts 3.0? 4 March 24, 2020
Reading _decimals from the IERC20 interface 2 March 23, 2020
Provable: is there an equivalent to onlyOwner or is it doable? 3 March 23, 2020
Turning EnumerableSet.AddressSet into a WordSet (bytes32) 2 March 21, 2020
Compilation error in OpenZeppelin Contracts on Windows 14 March 18, 2020
Creating an ERC-20 token that supports GSN transactions 9 March 13, 2020
Do all contracts need to inherit GSN for gasless transactions? 7 March 9, 2020
Why is IERC20 needed? 3 March 9, 2020
How to verify a contract deployed using Remix importing OpenZeppelin via GitHub? 4 March 9, 2020
Can't import ./Owned.sol on Remix 3 March 9, 2020
Which public use tokens require safe ERC20 3 March 8, 2020
SafeMath has custom error messages for sub, div and mod but not add and mul? 2 March 2, 2020
How do I include a burn function to this ERC20 token Solidity code? 4 March 2, 2020
GSN: Unacceptable RelayMaxNonce 6 February 29, 2020
Paused contract: burn() behaviour before/after 0.6.0 4 February 28, 2020
Deploy ERC20 contract 4 February 27, 2020
GSN Gas overhead? 10%? 5 February 27, 2020
Insufficient funds for gas * price + value on GSN 4 February 26, 2020
Got transaction from contract, but then it stays in 'pending' - timeout after 50 blocks 3 February 26, 2020
Example using TokenTimelock 2 February 26, 2020
Can't import OpenZeppelin Contracts library in Remix 2 February 25, 2020