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docs: module headers
This commit is contained in:
Greg Heartsfield
parent
234a8ba0ac
commit
fa66a0265e
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@ -1,3 +1,4 @@
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//! Configuration file and settings management
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use lazy_static::lazy_static;
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use log::*;
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use serde::{Deserialize, Serialize};
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@ -1,5 +1,6 @@
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use crate::config;
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//! Relay metadata using NIP-11
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/// Relay Info
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use crate::config;
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use serde::{Deserialize, Serialize};
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pub const CARGO_PKG_VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
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//! User Verification Through NIP-05
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//! User verification using NIP-05 names
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use crate::config::SETTINGS;
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use crate::db;
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use crate::error::{Error, Result};
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315
src/tags.rs
315
src/tags.rs
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@ -1,315 +0,0 @@
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//! Tags used in events to link to another event or a pubkey
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//!
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//! Reference specification NIP01: https://github.com/fiatjaf/nostr/blob/master/nips/01.md#events-and-signatures
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//!
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use bitcoin_hashes::hex::ToHex;
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use bitcoin_hashes::sha256;
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use secp256k1::XOnlyPublicKey;
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use std::str::FromStr;
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use serde::de::Unexpected;
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use serde::ser::SerializeSeq;
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use serde::{Deserialize, Deserializer, Serializer};
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use serde_json::Value;
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use crate::error::Error;
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type EventId = sha256::Hash;
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#[derive(Debug, PartialEq)]
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struct EventTag {
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event_id: EventId,
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recommended_url: Option<String>,
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}
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#[derive(Debug, PartialEq)]
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struct PubkeyTag {
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pubkey: XOnlyPublicKey,
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recommended_url: Option<String>,
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}
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// Tag structure representing two possible types of tags
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#[derive(Debug, PartialEq)]
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enum Tag {
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Event(EventTag),
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Pubkey(PubkeyTag),
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}
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// Custom json serialization into protocol network format
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// Event tag : ["e", "<32 byte event-id>", "optional<url>"]
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// Pubkey tag : ["p", "<32 byte Xonly Pubkey>", "optional<url>"]
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impl serde::Serialize for Tag {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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match self {
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Self::Event(event_tag) => {
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let mut seq = serializer.serialize_seq(None)?;
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seq.serialize_element("e")?;
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seq.serialize_element(&event_tag.event_id.to_hex())?;
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if let Some(url) = &event_tag.recommended_url {
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seq.serialize_element(url)?;
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} else {
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}
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seq.end()
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}
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Self::Pubkey(pubkey_tag) => {
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let mut seq = serializer.serialize_seq(None)?;
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seq.serialize_element("p")?;
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seq.serialize_element(&pubkey_tag.pubkey.to_hex())?;
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if let Some(url) = &pubkey_tag.recommended_url {
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seq.serialize_element(url)?;
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} else {
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}
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seq.end()
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}
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}
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}
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}
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// Custom json deserialization from protocol network format
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impl<'de> serde::Deserialize<'de> for Tag {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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// Receive incoming data in a json object
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let received: Value = Deserialize::deserialize(deserializer)?;
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// Check received data is a json array
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let values = received.as_array().ok_or_else(|| {
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serde::de::Error::invalid_type(Unexpected::Other("tag json object"), &"json array")
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})?;
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// Check json array contains only string
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let values = values
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.iter()
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.map(|value| {
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value.as_str().ok_or_else(|| {
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serde::de::Error::invalid_type(
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Unexpected::Other("tag json data"),
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&"json string",
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)
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})
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})
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.collect::<Result<Vec<_>, _>>()?;
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// Check length is not more tha 3
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if values.len() > 3 {
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Err(serde::de::Error::invalid_length(
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values.len(),
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&"tag length is 2 or 3",
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))
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} else {
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// Parse the json array into appropriate types
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match values[0] {
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// This denotes an event type tag
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"e" => {
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let event_id = EventId::from_str(values[1])
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.map_err(|e| serde::de::Error::custom(e.to_string()))?;
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let recomended_url = if values.len() == 3 {
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Some(values[2].into())
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} else {
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None
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};
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Ok(Tag::Event(EventTag {
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event_id,
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recommended_url: recomended_url,
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}))
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}
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// This denotes a pubkey type tag
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"p" => {
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let pubkey = XOnlyPublicKey::from_str(values[1])
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.map_err(|e| serde::de::Error::custom(e.to_string()))?;
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let recomended_url = if values.len() == 3 {
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Some(values[2].into())
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} else {
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None
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};
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Ok(Tag::Pubkey(PubkeyTag {
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pubkey,
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recommended_url: recomended_url,
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}))
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}
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// Any other tag type is currently not supported
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_ => Err(serde::de::Error::invalid_value(
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Unexpected::Other("tag type flag"),
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&"'e' or 'p'",
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)),
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}
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}
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}
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}
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#[allow(dead_code)]
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// Some api (not public currently) to use Tags
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impl Tag {
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fn new_event_tag(event_id: EventId, recomended_url: Option<String>) -> Self {
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Self::Event(EventTag {
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event_id,
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recommended_url: recomended_url,
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})
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}
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fn new_pubkey_tag(pubkey: XOnlyPublicKey, recomended_url: Option<String>) -> Self {
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Self::Pubkey(PubkeyTag {
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pubkey,
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recommended_url: recomended_url,
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})
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}
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fn get_recomended_url(&self) -> Option<String> {
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match self {
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Self::Event(EventTag {
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event_id: _,
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recommended_url,
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}) => recommended_url.clone(),
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Self::Pubkey(PubkeyTag {
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pubkey: _,
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recommended_url,
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}) => recommended_url.clone(),
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}
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}
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fn get_event_id(&self) -> Result<EventId, Error> {
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match self {
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Self::Event(EventTag {
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event_id,
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recommended_url: _,
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}) => Ok(*event_id),
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_ => Err(Error::CustomError("Expected event tag".to_string())),
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}
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}
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fn get_pubkey(&self) -> Result<XOnlyPublicKey, Error> {
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match self {
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Self::Pubkey(PubkeyTag {
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pubkey,
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recommended_url: _,
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}) => Ok(*pubkey),
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_ => Err(Error::CustomError("Expected pubkey tag".to_string())),
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}
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use bitcoin_hashes::Hash;
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#[test]
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fn serde_roundtrip() {
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let pubkey = XOnlyPublicKey::from_str(
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"18845781f631c48f1c9709e23092067d06837f30aa0cd0544ac887fe91ddd166",
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)
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.unwrap();
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let url = "wss://rsslay.fiatjaf.com";
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static HASH_BYTES: [u8; 32] = [
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0xef, 0x53, 0x7f, 0x25, 0xc8, 0x95, 0xbf, 0xa7, 0x82, 0x52, 0x65, 0x29, 0xa9, 0xb6,
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0x3d, 0x97, 0xaa, 0x63, 0x15, 0x64, 0xd5, 0xd7, 0x89, 0xc2, 0xb7, 0x65, 0x44, 0x8c,
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0x86, 0x35, 0xfb, 0x6c,
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];
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let event_id = EventId::from_slice(&HASH_BYTES).expect("right number of bytes");
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let event_tag = Tag::new_event_tag(event_id, Some(url.to_string()));
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let pubkey_tag = Tag::new_pubkey_tag(pubkey, Some(url.to_string()));
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let ser_event_tag = serde_json::to_string(&event_tag).unwrap();
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let ser_pubkey_tag = serde_json::to_string(&pubkey_tag).unwrap();
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let deser_event_tag: Tag = serde_json::from_str(&ser_event_tag).unwrap();
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let deser_pubkey_tag: Tag = serde_json::from_str(&ser_pubkey_tag).unwrap();
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assert_eq!(deser_event_tag, event_tag);
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assert_eq!(deser_pubkey_tag, pubkey_tag);
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}
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#[test]
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fn invalid_pubkey() {
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let test_string = r#"["p","845781f631c48f1c9709e23092067d06837f30aa0cd0544ac887fe91ddd166","wss://rsslay.fiatjaf.com"]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"secp: malformed public key".to_string()
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);
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}
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#[test]
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fn invalid_datatype() {
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let test_string = r#"["p", 188457, "wss://rsslay.fiatjaf.com"]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"invalid type: tag json data, expected json string".to_string()
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);
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}
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#[test]
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fn invalid_tagbyte() {
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let test_string = r#"["q", "18845781f631c48f1c9709e23092067d06837f30aa0cd0544ac887fe91ddd166", "wss://rsslay.fiatjaf.com"]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"invalid value: tag type flag, expected 'e' or 'p'".to_string()
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);
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}
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#[test]
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fn invalid_event_id() {
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let test_string = r#"["e","ef537f25c895bfa782526529a9b63d97aa631564d5d78c8635fb6c","wss://rsslay.fiatjaf.com"]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"bad hex string length 54 (expected 64)".to_string()
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);
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}
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#[test]
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fn invalid_url_type() {
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let test_string = r#"["e","ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c", 123456788]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"invalid type: tag json data, expected json string".to_string()
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);
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}
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#[test]
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fn invalid_length() {
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let test_string = r#"["e","ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c","wss://rsslay.fiatjaf.com", "Random extra data"]"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"invalid length 4, expected tag length is 2 or 3".to_string()
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);
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}
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#[test]
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fn invalid_json_type() {
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let test_string = r#"{"type": "e","event": "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c"}"#;
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let tag: Result<Tag, _> = serde_json::from_str(test_string);
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assert_eq!(
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tag.err().expect("expect error").to_string(),
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"invalid type: tag json object, expected json array".to_string()
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);
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}
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#[test]
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fn evenrt_tag_missing_url() {
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let test_string =
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r#"["e","ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c"]"#;
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let tag: Tag = serde_json::from_str(test_string).unwrap();
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assert!(tag.get_recomended_url().is_none());
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}
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#[test]
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fn pubkey_tag_missing_url() {
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let test_string =
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r#"["p","18845781f631c48f1c9709e23092067d06837f30aa0cd0544ac887fe91ddd166"]"#;
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let tag: Tag = serde_json::from_str(test_string).unwrap();
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assert!(tag.get_recomended_url().is_none());
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}
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}
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