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use async_trait::async_trait;
use crate::traits::{ DidResolver, VcResolver };
use simple_error::SimpleError;
use std::collections::HashMap;
pub struct RustStorageCache {
storage: HashMap<String, String>,
}
impl RustStorageCache {
pub fn new() -> RustStorageCache {
RustStorageCache {
storage: HashMap::new(),
}
}
pub async fn get(&self, key: &str) -> Result<String, Box<dyn std::error::Error>> {
match self.storage.get(&String::from(key)) {
Some(entry) => Ok(entry.to_string()),
None => bail!(format!("no entry for '{}'", key)),
}
}
pub async fn set(&mut self, key: &str, value: &str) -> Result<(), Box<dyn std::error::Error>> {
match self.storage.insert(String::from(key), String::from(value)) {
Some(_) | None => Ok(()),
}
}
}
#[async_trait]
impl DidResolver for RustStorageCache {
async fn check_did(&self, did_name: &str, _value: &str) -> Result<(), Box<dyn std::error::Error>> {
if did_name == "test" {
println!("valid");
return Ok(());
}
println!("invalid");
Err(Box::new(SimpleError::new(format!("not responsible for this did"))))
}
async fn get_did_document(&self, did_id: &str) -> Result<String, Box<dyn std::error::Error>> {
self.get(did_id).await
}
async fn set_did_document(&mut self, did_id: &str, value: &str) -> Result<(), Box<dyn std::error::Error>> {
self.set(did_id, value).await
}
}
#[async_trait]
impl VcResolver for RustStorageCache {
async fn check_vc(&self, vc_id: &str, _value: &str) -> Result<(), Box<dyn std::error::Error>> {
if vc_id == "test" {
println!("valid");
return Ok(());
}
println!("invalid");
Err(Box::new(SimpleError::new(format!("not responsible for this vc"))))
}
async fn get_vc_document(&self, vc_name: &str) -> Result<String, Box<dyn std::error::Error>> {
self.get(vc_name).await
}
async fn set_vc_document(&mut self, vc_name: &str, value: &str) -> Result<(), Box<dyn std::error::Error>> {
self.set(vc_name, value).await
}
}