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solana-with-rpc-optimizations
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Add message sequence chart for readme demo 

Fixes #17
This commit is contained in:
Greg Fitzgerald 2018-02-21 09:33:46 -07:00
parent 49605b257d
commit 07c4ebb7f2
2 changed files with 24 additions and 0 deletions
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2
README.md
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@ -24,6 +24,8 @@ Create a *Historian* and send it *events* to generate an *event log*, where each
is tagged with the historian's latest *hash*. Then ensure the order of events was not tampered
with by verifying each entry's hash can be generated from the hash in the previous entry:
![historian](https://user-images.githubusercontent.com/55449/36492299-151c65e2-16ea-11e8-97b6-14f1d9b97985.png)
```rust
extern crate silk;

22
diagrams/historian.msc Normal file
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@ -0,0 +1,22 @@
msc {
client,historian,logger;
client=>historian [ label = "Tick" ] ;
historian=>logger [ label = "Tick" ] ;
logger=>historian [ label = "e0 = Entry{hash: h0, n: 0, event: Tick}" ] ;
logger=>logger [ label = "h1 = hash(h0)" ] ;
logger=>logger [ label = "h2 = hash(h1)" ] ;
client=>historian [ label = "UserData(d0)" ] ;
historian=>logger [ label = "UserData(d0)" ] ;
logger=>logger [ label = "h3 = hash(h2 + d0)" ] ;
logger=>historian [ label = "e1 = Entry{hash: hash(h3), n: 2, event: UserData(d0)}" ] ;
logger=>logger [ label = "h4 = hash(h3)" ] ;
logger=>logger [ label = "h5 = hash(h4)" ] ;
logger=>logger [ label = "h6 = hash(h5)" ] ;
client=>historian [ label = "Tick" ] ;
historian=>logger [ label = "Tick" ] ;
logger=>historian [ label = "e2 = Entry{hash: h6, n: 3, event: Tick}" ] ;
client=>historian [ label = "collect()" ] ;
historian=>client [ label = "entries = [e0, e1, e2]" ] ;
client=>client [ label = "verify_slice(entries)" ] ;
}