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modifiers in solidity

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Shirshak Kandel answered on October 5, 2021 Popularity 10/10 Helpfulness 6/10

answer modifiers in solidity

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modifiers in solidity

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//Modifiers are code that can be run before and / or after a function call.
 //create modifier so the only person who can call the contract is the owner
    modifier onlyOwner{
        require(msg.sender == owner);
        _;
    }

  //create modifier so that we only allocate funds if friend's grandpa deceased
    modifier mustBeDeceased{
        require(deceased == true);
        _;
    }

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Source: Grepper

Tags: modifiers solidity

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Contributed on Feb 25 2022

Shirshak Kandel

0 Answers Avg Quality 2/10

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make a modifier in solidity

Comment

modifier onlyOwner {
      require(msg.sender == owner);
      _;
  //Use _ after the last require statement
      
   }

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Oct 05 2021

Fine Falcon

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solidity modifier

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contract Owner {
   modifier onlyOwner {
      require(msg.sender == owner);
      _;
   }
   modifier costs(uint price) {
      if (msg.value >= price) {
         _;
      }
   }
}

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Source: www.tutorialspoint.com

Tags: modifier modifie

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Contributed on Nov 08 2021

Biddls

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Solidity Function Modifiers

Comment

// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.4.22 <0.9.0;

contract Purchase {
    address public seller;

    modifier onlySeller() { // Modifier
        require(
            msg.sender == seller,
            "Only seller can call this."
        );
        _;
    }

    function abort() public view onlySeller { // Modifier usage
        // ...
    }
}

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Source: docs.soliditylang.org

Tags: function functio

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Contributed on Jun 20 2022

Desstann

0 Answers Avg Quality 2/10

modifier in solidity

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Solidity basic definition for beginners like me.
Modifiers are code that can be run before and / or after a function call.

Modifiers can be used to:

Restrict access
Validate inputs
Guard against reentrancy hack

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Source: Grepper

Tags: modifier modifie

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Contributed on Feb 21 2022

Tough Tern

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modifiers in solidity

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