solidity - Vomtom.at

Solidity 0.6.4 and call{value: ...}() instead of call.value()()

Solidity 0.6.4 deprecated something which almost slipped my attention. address.call.value()() was deprecated and got replaced with address.call{value: x}(). Let's check out how this works. When I saw

solidity

Solidity 0.6.0 Breaking Changes Hands-On Video Walk-Through

So, you heard the news: Solidity 0.6.0 is out. And it got some breaking changes! In this post & attached video I want to go through some of the changes hands-on.

ethereum

[Video] Ethereum Oracles Walkthrough

Oracles! What are they? And why do we need them in Ethereum? One of the major benefits that we have on Ethereum is that the Smart Contracts are running on a Sand Box

ethereum

[Video] Solidity v0.5.0 Breaking Changes

Solidity v0.5.0 is out for about 2 weeks and now we can use it in Remix. To read more about the changes made for this version and how you’re going

tutorial

[Video] Tutorial how to Upgrade Smart Contracts on Chain

It's not easy to get Upgradeable Smart Contracts right. You should be able to fix bugs or enhance features, obviously. But not at the cost of loosing immutability. It's this element of trust

solidity

Solidity: .call() vs. .delegatecall() vs. Libraries

In this short video we look at the difference between .call() vs. .delegatecall() vs. Libraries in Solidity. Specifically we look at a very simple contract that emits an event with the address of

solidity

Mappings and Structs in Solidity

In this video we are having a look at Mappings and Structs in Solidity. This is one of 110 video-lectures in the Ethereum Developer Masterclass where you will learn everything there is to

course

[Course] Ethereum Beginners Course (free!)

100% FREE COURSE: Build A Hello World Blockchain App - is the only course you need to begin your journey with Ethereum Blockchain Development incorporating Solidity at a basic level, with step-by-step instructions guiding you through the entire process.

solidity

Pure vs. View vs. Constant functions

The new Solidity 0.4.16 is out. In this verison the new "view" and "pure" functions are introduced. I had a quick look what this means for you

course

[Course] Ethereum Developer Masterclass: Build Real World Projects ($10)

Ethereum Developer Masterclass: Build Real World Projects - is the most complete Ethereum Blockchain Development course online helping you to build complex, real world, ethereum based distributed applications successfully.

solidity

Exception Handling in Solidity

Since version 0.4.13 we have a new Exception handling in Solidity. Instead of a simple throwwe have now revert(), require() and assert(). In this short video I'll walk you through the

ethereum

Solidity - .send(...) vs. .transfer(...)

A short notice on the two functions address.send(amount); vs. address.transfer(amount); Since version 0.4.13 (actually since this issue is resolved) Solidity has one new important function, the transfer

course

Ethereum Blockchain Developer

This is one of the largest, most in-depth ethereum development courses online. The curriculum contains a number of practical exercises, which will help you put all the knowledge you’ve learned into practice to create something of value.