51 lines
1.4 KiB
Rust
51 lines
1.4 KiB
Rust
//! The `event` crate provides the data structures for log events.
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use signature::{KeyPair, KeyPairUtil, PublicKey, Signature, SignatureUtil};
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use transaction::Transaction;
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use chrono::prelude::*;
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use bincode::serialize;
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#[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
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pub enum Event {
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Transaction(Transaction<i64>),
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Signature {
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from: PublicKey,
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tx_sig: Signature,
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sig: Signature,
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},
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Timestamp {
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from: PublicKey,
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dt: DateTime<Utc>,
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sig: Signature,
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},
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}
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impl Event {
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pub fn new_timestamp(from: &KeyPair, dt: DateTime<Utc>) -> Self {
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let sign_data = serialize(&dt).unwrap();
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let sig = Signature::clone_from_slice(from.sign(&sign_data).as_ref());
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Event::Timestamp {
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from: from.pubkey(),
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dt,
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sig,
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}
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}
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// TODO: Rename this to transaction_signature().
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pub fn get_signature(&self) -> Option<Signature> {
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match *self {
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Event::Transaction(ref tr) => Some(tr.sig),
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Event::Signature { .. } => None,
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Event::Timestamp { .. } => None,
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}
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}
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pub fn verify(&self) -> bool {
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match *self {
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Event::Transaction(ref tr) => tr.verify(),
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Event::Signature { from, tx_sig, sig } => sig.verify(&from, &tx_sig),
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Event::Timestamp { from, dt, sig } => sig.verify(&from, &serialize(&dt).unwrap()),
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}
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}
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}
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