March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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An example to illustrate event structure
Take an example of a stock market event. Every time a stock goes up or down in price, we can represent this as an event. For example:
| At UTC: 2018-11–05T13:15:30:34.123456+09:00 The stock MZK increased in price by 800 from 13000 JPY |
We can see that this is a description of an event where the stock ABC increased by 800 Yen at a very specific time on 5 Nov 2018.
Just like assets and participants, we can see the term event can refer to the type or instance of an event. In our example, we've shown the type and instance information folded into one. The event has a type Stock Market Tick with a structure comprising time: 2018-11–05T13:15:30:34.123456+09:00, symbol: MZK, currency: JPY previous: 13000, ...
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