Solidity code for ERC1155 Overview https://youtu.be/Ai7A-_umm08 0:00 - Setup 1:50 - State variables 3:33 - Metadata functions 4:06 - Mint 7:58 - Batch mint 12:11 - Burn 13:11 - Batch burn 14:48 - Batch balance of 16:29 - Set approval for all 17:31 - Safe transfer from 18:50 - Safe batch transfer from Code https://solidity-by-example.org/app/erc1155/ Take a course https://www.smartcontract.engineer/ #Solidity #SmartContract #Ethereum #スマートコントラクト Remix https://remix.ethereum.org Follow https://odysee.com/@SmartContractProgrammer:8 https://twitter.com/ProgrammerSmart https://discord.gg/bt8FK2wkcW https://t.me/smartcontractprogrammer https://smartcontractprogrammer.com ... https://www.youtube.com/watch?v=C4i4CDGb9A0

Honeypot is a way to catch hackers trying to break into your contract. In this video we will code a contract that looks vulnerable to reentrancy attack but actually isn't. #Solidity #Honeypot #hack Code: https://solidity-by-example.org/hacks/honeypot/ References https://github.com/ethereumbook/ethereumbook/blob/develop/09smart-contracts-security.asciidoc https://solidity-05.ethernaut.openzeppelin.com/ Remix IDE: http://remix.ethereum.org Solidity: https://solidity.readthedocs.io Follow on Twitter: @ProgrammerSmart https://twitter.com/ProgrammerSmart Join me on Discord: https://discord.gg/Ny8sPaj Website: https://smartcontractprogrammer.com ... https://www.youtube.com/watch?v=d0q5zVnNLWs