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Broken OpenZeppilin ERC-721 repo on github missing ./extensions/IERC721Metadata.sol file
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0
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35
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July 12, 2025
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OpenZeppelin 4.x EOL
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1
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30
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March 11, 2025
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ReentrancyGuard vs ReentrancyGuardTransient gas saving
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5
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403
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February 28, 2025
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Cant change tx limit - 100$ bounty
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4
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111
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October 1, 2024
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ERC4626 Inflation attack discussion
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11
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1134
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January 24, 2025
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Remix - Gas estimation failed
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3
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4410
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September 6, 2024
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[Ownable] Add a three-step approach in ownership transfer (Transfer, Accept and ApproveTransfer)
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0
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48
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August 23, 2024
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Contract Wizard Confusion
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1
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46
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July 29, 2024
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Can a function in base contract have "onlyInitializing" modifier and a derived contract have "reinitialilzer" modifier in its initialize function?
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3
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454
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January 8, 2024
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App.js:186 Error claiming tokens: Error: Transaction has been reverted by the EVM
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1
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308
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December 24, 2023
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Is it possible to force a user who has 100 tokens to have the voting power of 50 tokens in Oppenzeppelin Governor
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2
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318
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November 9, 2023
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What is the alternative for `upgradeTo()` function in Transparent Upgradeable Proxy?
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10
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1318
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November 8, 2023
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New ERC1155SupplyUpgradeable is throwing errors
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3
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499
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November 6, 2023
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Clarification on test_transfer_from_doesnt_consume_infinite_allowance and BoundedInt::max() Usage
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5
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663
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October 26, 2023
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Unable to extend ERC1155Upgradeable `_update` function - Compiler Error
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4
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993
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October 26, 2023
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Getting math library error while inheriting ERC4626 contract
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3
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620
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October 16, 2023
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[Governance] Understanding the how pending proposal state is derived in Governor.sol
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1
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334
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October 9, 2023
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Truffle compile not finding openzeppelin's contracts when installed using NPM
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0
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376
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October 4, 2023
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How can I get back ownership my token contract Masterchef
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7
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792
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October 3, 2023
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Making an high-quality NFT Smart Contract
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1
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759
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July 31, 2023
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Problem with defender site interface when adding non-existent contracts via API
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8
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552
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July 4, 2023
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Does anyone have an example of a 'gasless' metatransaction utilizing Defender Relayer that simply picks up gas (MATIC) for a transfer event (ERC20 tokens) (Polygon)?
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1
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584
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June 22, 2023
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Error: reason: 'transaction failed', code: 'CALL_EXCEPTION'
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0
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920
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June 18, 2023
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Vote delegation per Governor contract
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3
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584
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May 31, 2023
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Explain the practical use of increaseAllowance and decreaseAllowance functions on ERC20
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8
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9008
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May 26, 2023
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I cant get correct recovered address with ECDSA.recover
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3
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1748
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May 9, 2023
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Openzeppelin contract not found in remix
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4
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5073
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April 15, 2023
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Facing Error - @openzeppelin\contracts\utils\Address.sol:185: Use of delegatecall is not allowed
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10
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1508
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March 23, 2023
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Cannot deploy ERC721 Upgradeable smart contract for NFT Marketplace
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3
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986
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March 9, 2023
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Governance contract or Timelock contract.... Which comes first?
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5
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2226
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March 8, 2023
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