full-blockchain-solidity-course-py

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Lesson 2 PLEASE I NEED HELP

1

Hi, So I know this video is a bit older just hoping sees this and can assist. I am only on the second lesson and when I try and input...

qrwety1

Lesson 7 : Please help my end lottery function keeps getting reverted,

1

Brownie v1.19.3 - Python development framework for Ethereum SmartcontractLotteryProject is the active project. Launching 'ganache-cli --accounts 10 --hardfork istanbul --gasLimit 12000000 --mnemonic brownie --port 8545'... Running 'scripts/deploy.py::main'... deploying mocks ......

limbo0

Missing Store option on left Panel in simplestorage contract

1

Hello I have decided to start Free youtube course about Solidity Language https://www.youtube.com/watch?v=M576WGiDBdQ&t=5321s after write this short contract simple storage im getting following error   but on the Video...

Norbi8919

ParserError: Source file requires different compiler version (current compiler is 0.8.17+commit.8df45f5f.Windows.msvc) - note that nightly builds are considered to be strictly less than the released version --> C:/Users/jaden/.brownie/packages/smartcontractkit/[email protected]/contracts/src/v0.6/VRFConsumerBase.sol:2:1: | 2...

MrPotatoHead-Dev

Lesson 13 Full Stack Defi

2

Hello, after creating a react app for the front_end and reinstalling nodejs and yarn I went back to try to deploy to Kovan but ganance-cli is not working anymore. I...

WilliamMcRoberts

ParserError: Source file requires different compiler version (current compiler is 0.8.7+commit.e28d00a7.Emscripten.clang) - note that nightly builds are considered to be strictly less than the released version --> @chainlink/contracts/src/v0.6/vendor/SafeMathChainlink.sol:2:1: | 2 | pragma solidity ^0.6.0; | ^^^^^^^^^^^^^^^^^^^^^^^

5

On the fundMe lesson, when I try to import the safemath, that's the error I am getting I have tried to copy the same even with the interface it can...

Stmbisa

(Around the 08:10:00 mark in the tutorial video.) Hi, wondering how we could test whether the other accounts pass as recentWinner when setting our STATIC_RNG to 778. Right now we...

emilrueh

FundMe.sol Error: not found @chainlink/contracts/src/v0.8/vendor/SafeMathChainlink.sol

4

Hello, I am trying to run this code in the terminal but I get this Error: not found @chainlink/contracts/src/v0.8/vendor/SafeMathChainlink.sol. I updated the version for solidity. I understand that SafeMath is...

ellyblueeyes

FundMe- TypeError: "send" and "transfer" are only available for objects of type "address payable", not "address".

2

Here is the function that throws the error: function withdraw() public payable onlyOwner { msg.sender.transfer(address(this).balance); for ( uint256 funderIndex = 0; funderIndex < funders.length; funderIndex++ ) { address funder =...

ellyblueeyes

cannot use yarn --version

5

I have this error and don't know what to do or how to fix it  BTW I am using windows

Grimmsj