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Simple event struct with serialization

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This commit is contained in:
Greg Heartsfield 2021-11-21 18:14:38 -06:00
parent 0fe2423b22
commit c2704af0d6
3 changed files with 126 additions and 1 deletions
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51
Cargo.lock generated
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@ -307,6 +307,9 @@ dependencies = [
"env_logger",
"futures-util",
"log",
"serde",
"serde_json",
"serde_repr",
"thiserror",
"tokio",
"tokio-tungstenite",
@ -489,12 +492,60 @@ version = "0.6.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"serde_derive",
]
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dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "serde_json"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "063bf466a64011ac24040a49009724ee60a57da1b437617ceb32e53ad61bfb19"
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3
Cargo.toml
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@ -13,3 +13,6 @@ futures-util = "0.3.17"
tokio-tungstenite = "0.16.0"
tungstenite = "0.16.0"
thiserror = "1.0.30"
serde = { version = "1.0.130", features = ["derive"] }
serde_json = "1.0.71"
serde_repr = "0.1.7"

73
src/event.rs
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@ -1 +1,72 @@
pub struct Event {}
use serde::{Deserialize, Deserializer, Serialize};
use serde_json::json;
use serde_json::Result;
#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
pub struct Event {
id: u32,
pubkey: u32,
created_at: u64,
kind: u8,
tags: Vec<Vec<String>>,
content: String,
sig: u64,
}
// Goals:
// Roundtrip from JSON-string to Event, and back to string.
// Perform validation on an Event to ensure the id and signature are correct.
#[cfg(test)]
mod tests {
use crate::event::Event;
use serde_json::Result;
fn simple_event() -> Event {
super::Event {
id: 0,
pubkey: 0,
created_at: 0,
kind: 0,
tags: vec![],
content: "".to_owned(),
sig: 0,
}
}
#[test]
fn event_creation() {
// create an event
let event = simple_event();
assert_eq!(event.id, 0);
}
#[test]
fn event_serialize() -> Result<()> {
// serialize an event to JSON string
let event = simple_event();
let j = serde_json::to_string(&event)?;
assert_eq!(j, "{\"id\":0,\"pubkey\":0,\"created_at\":0,\"kind\":0,\"tags\":[],\"content\":\"\",\"sig\":0}");
Ok(())
}
#[test]
fn event_tags_serialize() -> Result<()> {
// serialize an event with tags to JSON string
let mut event = simple_event();
event.tags = vec![
vec![
"e".to_owned(),
"xxxx".to_owned(),
"wss://example.com".to_owned(),
],
vec![
"p".to_owned(),
"yyyyy".to_owned(),
"wss://example.com:3033".to_owned(),
],
];
let j = serde_json::to_string(&event)?;
assert_eq!(j, "{\"id\":0,\"pubkey\":0,\"created_at\":0,\"kind\":0,\"tags\":[[\"e\",\"xxxx\",\"wss://example.com\"],[\"p\",\"yyyyy\",\"wss://example.com:3033\"]],\"content\":\"\",\"sig\":0}");
Ok(())
}
}