Revertron
89 lines
2.8 KiB
Rust
89 lines
2.8 KiB
Rust
use crate::keys::*;
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extern crate serde;
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extern crate serde_json;
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use serde::{Serialize, Deserialize, Serializer};
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use serde::ser::SerializeStruct;
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use std::fmt;
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use crypto::sha2::Sha256;
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use crypto::digest::Digest;
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#[derive(Clone, Deserialize, PartialEq)]
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pub struct Transaction {
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pub identity: Bytes,
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pub confirmation: Bytes,
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pub method: String,
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pub data: String,
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pub pub_key: Bytes,
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}
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impl Transaction {
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pub fn from_str(identity: String, method: String, data: String, pub_key: Bytes) -> Self {
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let hash = hash_identity(&identity, None);
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let confirmation = hash_identity(&identity, Some(&pub_key));
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return Self::new(hash, confirmation, method, data, pub_key);
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}
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pub fn new(identity: Bytes, confirmation: Bytes, method: String, data: String, pub_key: Bytes) -> Self {
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Transaction { identity, confirmation, method, data, pub_key }
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}
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pub fn from_json(json: &str) -> Option<Self> {
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match serde_json::from_str(json) {
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Ok(transaction) => Some(transaction),
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Err(_) => None
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}
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}
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pub fn get_bytes(&self) -> Vec<u8> {
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// Let it panic if something is not okay
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serde_json::to_vec(&self).unwrap()
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}
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pub fn to_string(&self) -> String {
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// Let it panic if something is not okay
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serde_json::to_string(&self).unwrap()
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}
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pub fn check_identity(&self, domain: &str) -> bool {
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let hash = hash_identity(&domain, None);
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let confirmation = hash_identity(&domain, Some(&self.pub_key));
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self.identity.eq(&hash) && self.confirmation.eq(&confirmation)
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}
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}
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impl fmt::Debug for Transaction {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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fmt.debug_struct("Transaction")
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.field("identity", &self.identity)
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.field("confirmation", &self.confirmation)
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.field("method", &self.method)
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.field("data", &self.data)
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.field("pub", &&self.pub_key)
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.finish()
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}
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}
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impl Serialize for Transaction {
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fn serialize<S>(&self, serializer: S) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where S: Serializer {
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let mut structure = serializer.serialize_struct("Transaction", 4).unwrap();
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structure.serialize_field("identity", &self.identity)?;
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structure.serialize_field("confirmation", &self.confirmation)?;
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structure.serialize_field("method", &self.method)?;
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structure.serialize_field("data", &self.data)?;
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structure.serialize_field("pub_key", &self.pub_key)?;
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structure.end()
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}
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}
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pub fn hash_identity(identity: &str, key: Option<&Bytes>) -> Bytes {
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let mut buf: [u8; 32] = [0; 32];
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let mut digest = Sha256::new();
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digest.input_str(identity);
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if let Some(key) = key {
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digest.input(key.as_bytes());
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}
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digest.result(&mut buf);
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Bytes::from_bytes(&buf)
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} |