Support   Contracts


Topic Replies Activity
What is the meaning of return a `bool` type in a function? 5 June 11, 2019
ERC721 minting cost 4 June 10, 2019
What compiler version to use? 4 June 10, 2019
How to write a test with "from"-argument to send a transaction from a contract? 3 June 10, 2019
How to use a single Constructor-call in tests instead of "new" and "initialize"? 2 June 9, 2019
How to use openzeppelin-test-helpers in Embark tests 2 June 5, 2019
What exactly is the reason for `uint256[50] private ______gap;`? 2 June 5, 2019
Error [Reverted] --- Creating an ERC20 Crowdsale 5 June 4, 2019
How to use TokenTimelock.sol to lock up tokens? 5 June 2, 2019
Crowdsale: revert when buying tokens 5 May 26, 2019
ERC777 constructor arguments 19 May 28, 2019
Issues npm installing 2.3.0-rc.3: shouldn't truffle be an npm dependency (not devDependency)? 6 May 21, 2019
ERC884 Crowdsale: Revert on function `buyTokens()` for verified token holders 4 May 19, 2019
How to add a lot of whitelist addresses (2.20)? 2 May 13, 2019
Best practices for refundable crowdsale (2.20) 2 May 9, 2019
Flat precompiled files? 2 May 7, 2019
Creating my own token exchange for sports industry 2 April 30, 2019
Examples WhiteList User permissions (Best way) 4 April 23, 2019
Issues Deploying PaymentSplitter on Remix 8 April 10, 2019
Calling renounceMinter() at the finalization of FinalizableCrowdsale 5 April 5, 2019
Tokenomics: Conducting a Crowdsale using a Zero Decimal ERC20 token 8 April 5, 2019
Erc721 contract 6 April 2, 2019
Check if a user has a certain erc20, using another contract 8 April 1, 2019
Crowdsale with different stages automatically change by time 6 March 31, 2019
Token erc20 with specified contract owner 9 March 18, 2019
Basic ERC20 contract 2 March 18, 2019
Running tests in testnet 2 March 13, 2019
Leveraging OpenZeppelin with Sound and Gigantic Steps 31 March 2, 2019
How to solve "cannot read property 'anonymous' of undefined" error message 5 February 15, 2019
How to implement whitelist to the OpenZeppelin solidity v2.1.1 2 January 18, 2019