Support   Contracts


Topic Replies Activity
Gatekeeper level I : correct opcode for gasleft().mod(8191) 4 January 22, 2020
Use of contract methods after initialization not possible 5 January 21, 2020
Can not call the function approve() of the USDT contract 6 January 21, 2020
Mintable and Pausable ERC20 token 4 January 21, 2020
Setting DAI as the receivable token in a crowdsale contract 3 January 20, 2020
Contract examples of Pausable 2 January 17, 2020
Internal Compiler error when adding PullPayment.sol into truffle project 5 January 17, 2020
Updating existing dapp to use `openzeppelin-contracts` instead of `openzeppelin-solidity` 7 January 13, 2020
ERC20 decimals, specifying a big number 6 January 12, 2020
ERC20 transfer not working 5 January 12, 2020
Issue with ERC20 Minting in mintable Crowdsale: caller does not have the Minter role 4 January 9, 2020
Solidity to set a cap on the amount of ERC721 tokens? 5 January 7, 2020
Questions about creating ERC20 contract with Ownable and MinterRole functionalities 4 January 7, 2020
Request for ERC721 token 16 December 8, 2019
Search for transfers to an account 3 December 30, 2019
ERC721+ GSN + remote minting 5 December 23, 2019
Invalid implicit conversion from address to contract IERC20 requested 3 December 23, 2019
How to determine error from relayed call 5 December 23, 2019
No relayer responded or accepted the transaction out of the 1 queried: canRelay check failed with error 11 4 December 16, 2019
Request to a relayer from web3 5 December 13, 2019
Submitting txs to GSN contracts in Go 3 December 11, 2019
Does OpenZeppelin Contracts include decoding RLP in Solidity? 2 December 11, 2019
Gas Station Network Transaction failing on rinkeby with > 1million gas 3 December 9, 2019
Are ERC20 tokens already GSN capable? 3 December 9, 2019
Creating my own token exchange for sports industry 4 December 2, 2019
NFT tokenId in ERC721 2 November 28, 2019
Understanding decimals for ERC20 token creation? 6 November 25, 2019
Import OpenZeppelin Contracts from GitHub in Remix? 4 November 25, 2019
In ERC20, what are differences between name and symbol? 5 November 25, 2019
What is reasoning for the number of interfaces in ERC721? 3 November 25, 2019