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152 lines
4.8 KiB
Rust
152 lines
4.8 KiB
Rust
use std::fmt;
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use std::fmt::{Display, Formatter};
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use serde::{Deserialize, Serialize, Serializer};
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use serde::ser::SerializeStruct;
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use crate::blockchain::hash_utils::*;
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use crate::bytes::Bytes;
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use crate::dns::protocol::DnsRecord;
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use crate::{CLASS_ORIGIN, CLASS_DOMAIN};
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extern crate serde;
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extern crate serde_json;
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#[derive(Clone, Deserialize, PartialEq)]
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pub struct Transaction {
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#[serde(default, skip_serializing_if = "Bytes::is_zero")]
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pub identity: Bytes,
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#[serde(default, skip_serializing_if = "Bytes::is_zero")]
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pub confirmation: Bytes,
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pub class: String,
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pub data: String,
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#[serde(default, skip_serializing_if = "Bytes::is_zero")]
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pub owner: 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, owner: Bytes) -> Self {
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let hash = hash_identity(&identity, None);
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let confirmation = hash_identity(&identity, Some(&owner));
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return Self::new(hash, confirmation, method, data, owner);
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}
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pub fn new(identity: Bytes, confirmation: Bytes, method: String, data: String, owner: Bytes) -> Self {
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Transaction { identity, confirmation, class: method, data, owner }
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}
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pub fn origin(hash: Bytes, owner: Bytes) -> Self {
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let data = serde_json::to_string(&Origin { zones: hash }).unwrap();
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Transaction { identity: Bytes::default(), confirmation: Bytes::default(), class: String::from(CLASS_ORIGIN), data, owner }
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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.owner));
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self.identity.eq(&hash) && self.confirmation.eq(&confirmation)
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}
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/// Returns [DomainData] from this transaction if it has it
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pub fn get_domain_data(&self) -> Option<DomainData> {
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if self.class == CLASS_DOMAIN {
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if let Ok(data) = serde_json::from_str::<DomainData>(&self.data) {
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return Some(data)
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}
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}
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None
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}
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/// Gets a type of transaction
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pub fn get_type(what: &Option<Transaction>) -> TransactionType {
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match what {
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None => { TransactionType::Signing }
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Some(transaction) => {
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if transaction.class == CLASS_DOMAIN {
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return TransactionType::Domain;
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}
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TransactionType::Unknown
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}
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}
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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("class", &self.class)
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.field("data", &self.data)
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.field("pub_key", &&self.owner)
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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", 5).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("class", &self.class)?;
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structure.serialize_field("data", &self.data)?;
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structure.serialize_field("pub_key", &self.owner)?;
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structure.end()
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}
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}
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pub enum TransactionType {
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Unknown,
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Signing,
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Domain,
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}
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#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
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pub struct DomainData {
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pub domain: Bytes,
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pub zone: String,
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pub info: String,
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#[serde(default, skip_serializing_if = "Vec::is_empty")]
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pub records: Vec<DnsRecord>,
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#[serde(default, skip_serializing_if = "Vec::is_empty")]
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pub contacts: Vec<ContactsData>,
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}
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impl DomainData {
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pub fn new(domain: Bytes, zone: String, info: String, records: Vec<DnsRecord>, contacts: Vec<ContactsData>) -> Self {
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Self { domain, zone, info, records, contacts }
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
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pub struct Origin {
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zones: Bytes
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}
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#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
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pub struct ContactsData {
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pub name: String,
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pub value: String
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}
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impl Display for ContactsData {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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f.write_str(&format!("{}: {}", self.name, self.value))
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}
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} |