August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Example
Let's take an example of a transaction where you want to transfer 0.1 ETH to your friend. The following are the values for the transaction fields you would have to fill while creating a transaction:
| Field name | Value |
| From | 0xff899af34214b0d777bcd3c230ef637b763f0b01 |
| To | 0xc4fe5518f0168da7bbafe375cd84d30f64cda491 |
| Value | 0.1 ether |
| Gas limit | 30,000 |
| Gas price | 0.000000021 ether (21 gwei) |
You can also refer to Chapter 4, Learning MetaMask and Remix, where we have demonstrated how to use MetaMask to initiate transactions.
Once the transaction is sent and confirmed on blockchain, you can see its status on block explorer (etherscan.io) as follows:
Screenshot from etherscan.io of the transaction
Let's calculate the values using ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.