Why is onlyOwner and _checkOwner divided into two places?
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2
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491
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September 2, 2022
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Push opeartion not working
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1
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438
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August 29, 2022
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What's the reasoning behind ERC165StorageUpgradable?
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1
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434
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August 19, 2022
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Is it possible to create a vesting contract for NFT?
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8
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2116
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August 17, 2022
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BSCscan - Unable to generate Contract ByteCode and ABI
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11
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11953
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August 5, 2022
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Token tracker showing 0 holders
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0
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530
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July 27, 2022
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How to verify contract sorce code on polygonscan
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2
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1351
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July 25, 2022
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Truffle flattener is not working on a smart contract which has @openzeppelin/contract3.4.0 version imported.
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1
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576
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July 8, 2022
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grantRole(A_ROLE, SOMEONE) is returning missing role 0x00...000 for a function that does not use AccessControl
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3
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716
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June 16, 2022
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Question about the design of ERC20 transferFrom function
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5
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552
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June 8, 2022
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Can't initialize state variable in proxy contract on deployment in UUPS pattern
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2
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1051
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June 8, 2022
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Contract "NFTMarket" should be marked as abstract (when implementing IERC721Receiver interface along with ReentrancyGuard)
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2
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1971
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April 6, 2022
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Can we use ownable and access control at once?
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1
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600
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June 1, 2022
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Getting error: ECDSA: invalid signature length
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26
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2601
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May 30, 2022
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tokenOfOwnerByIndex not working after burning NFT
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1
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710
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May 23, 2022
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Metamask showing lot of information for meta txns
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0
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532
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May 16, 2022
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Recursively generating OpenZeppelin dependencies
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3
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539
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May 10, 2022
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IERC20 Approve is not working
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0
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634
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April 25, 2022
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What is the main use of defender?
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3
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577
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April 13, 2022
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Openzepplin not found either you install it using NPM or import straight from the Github
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6
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1906
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April 6, 2022
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Initialize derived contract and call base initlializer
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2
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903
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March 31, 2022
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Gas limit exceeded on clicking deploy in remix
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2
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895
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March 29, 2022
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ERC20 inside ERC721 Payable
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1
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502
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March 27, 2022
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Restrict transfer of ERC-20 token
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1
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637
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March 25, 2022
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Custom transfer using ERC20
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5
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1399
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March 25, 2022
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I'm trying to implement openzeppelin's minimal proxy clone contract on TRON blockchain
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1
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939
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March 23, 2022
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Help me for deploying this contract
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2
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1034
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March 18, 2022
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Solidity function help needed
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1
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483
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March 15, 2022
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[ERC-20] Question on _msgSender() in _transferFrom()
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5
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1749
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March 14, 2022
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ERC721Enumerable gas optimization
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8
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4006
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March 8, 2022
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