54 lines
1.4 KiB
Rust
54 lines
1.4 KiB
Rust
use std::hash::{DefaultHasher, Hash, Hasher};
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use itertools::Itertools;
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use nostr_sdk::prelude::*;
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pub trait EventExt {
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fn uniq_id(&self) -> u64;
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fn extract_public_keys(&self) -> Vec<PublicKey>;
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}
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impl EventExt for Event {
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fn uniq_id(&self) -> u64 {
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let mut hasher = DefaultHasher::new();
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let mut pubkeys: Vec<PublicKey> = self.extract_public_keys();
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pubkeys.sort();
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pubkeys.hash(&mut hasher);
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hasher.finish()
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}
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fn extract_public_keys(&self) -> Vec<PublicKey> {
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let mut public_keys: Vec<PublicKey> = self.tags.public_keys().collect();
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public_keys.push(self.pubkey);
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public_keys.into_iter().unique().collect()
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}
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}
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impl EventExt for UnsignedEvent {
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fn uniq_id(&self) -> u64 {
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let mut hasher = DefaultHasher::new();
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let mut pubkeys: Vec<PublicKey> = vec![];
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// Add all public keys from event
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pubkeys.push(self.pubkey);
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pubkeys.extend(self.tags.public_keys().collect::<Vec<_>>());
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// Generate unique hash
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pubkeys
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.into_iter()
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.unique()
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.sorted()
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.collect::<Vec<_>>()
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.hash(&mut hasher);
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hasher.finish()
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}
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fn extract_public_keys(&self) -> Vec<PublicKey> {
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let mut public_keys: Vec<PublicKey> = self.tags.public_keys().collect();
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public_keys.push(self.pubkey);
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public_keys.into_iter().unique().sorted().collect()
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}
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}
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