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Merge pull request #84 from Cloud10240/feature/remove_proxy
Remove proxy from evm.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -4,4 +4,5 @@ | |
| /solutions | ||
| /*bench | ||
| bin | ||
| corpus | ||
| corpus | ||
| .vscode | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| use serde_json::json; | ||
| use std::collections::HashMap; | ||
| use std::error::Error; | ||
| use std::fs::{self, File}; | ||
| use std::io::prelude::*; | ||
| use std::path::Path; | ||
|
|
||
| pub trait Cache { | ||
| fn save(&self, key: &str, value: &str) -> Result<(), Box<dyn Error>>; | ||
| fn load(&self, key: &str) -> Result<String, Box<dyn Error>>; | ||
| } | ||
|
|
||
| #[derive(Clone, Debug)] | ||
| pub struct FileSystemCache { | ||
| file_path: String, | ||
| } | ||
|
|
||
| impl FileSystemCache { | ||
| pub fn new(file_path: &str) -> FileSystemCache { | ||
| let path = Path::new(file_path); | ||
| if !path.exists() { | ||
| let dir = path.parent().unwrap(); | ||
| if !dir.exists() { | ||
| fs::create_dir_all(dir).expect("Failed to create directory"); | ||
| } | ||
|
|
||
| fs::File::create(&path).expect("Failed to create file"); | ||
| } | ||
|
|
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| FileSystemCache { | ||
| file_path: file_path.to_string(), | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl Cache for FileSystemCache { | ||
| fn save(&self, key: &str, value: &str) -> Result<(), Box<dyn Error>> { | ||
| let mut file = File::open(&self.file_path)?; | ||
| let mut contents = String::new(); | ||
| file.read_to_string(&mut contents)?; | ||
|
|
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| let mut json_data: HashMap<String, String> = match serde_json::from_str(&contents) { | ||
| Ok(data) => data, | ||
| Err(_) => HashMap::new(), | ||
| }; | ||
|
|
||
| json_data.insert(key.to_string(), value.to_string()); | ||
| let serialized_data = serde_json::to_string(&json_data)?; | ||
| fs::write(&self.file_path, serialized_data)?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn load(&self, key: &str) -> Result<String, Box<dyn Error>> { | ||
| let mut file = File::open(&self.file_path)?; | ||
| let mut contents = String::new(); | ||
| file.read_to_string(&mut contents)?; | ||
|
|
||
| let json_data: HashMap<String, String> = serde_json::from_str(&contents)?; | ||
| match json_data.get(key) { | ||
| Some(value) => Ok(value.clone()), | ||
| None => Err(Box::new(std::io::Error::new( | ||
| std::io::ErrorKind::NotFound, | ||
| "Key not found", | ||
| ))), | ||
| } | ||
| } | ||
| } |
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