jsonrpce 0.1.0

JSON-RPC 2.0 for Rust
Documentation 
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use serde::{Deserialize, Serialize};
use serde_json::Value;
use std::fmt;

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct Error {
    pub code: i32,
    pub message: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub data: Option<Value>,
}

impl Error {
    pub fn new(code: i32, message: impl Into<String>) -> Self {
        Self {
            code,
            message: message.into(),
            data: None,
        }
    }

    pub fn with_data(mut self, data: impl Serialize) -> Self {
        self.data = serde_json::to_value(data).ok();
        self
    }

    pub fn invalid_request(details: impl fmt::Display) -> Self {
        Self::new(-32600, format!("Invalid Request: {}", details))
    }

    pub fn method_not_found(method: &str) -> Self {
        Self::new(-32601, format!("Method not found: {}", method))
    }

    pub fn invalid_params(details: impl fmt::Display) -> Self {
        Self::new(-32602, format!("Invalid params: {}", details))
    }

    pub fn internal_error(details: impl fmt::Display) -> Self {
        Self::new(-32603, format!("Internal error: {}", details))
    }

    pub fn parse_error(details: impl fmt::Display) -> Self {
        Self::new(-32700, format!("Parse error: {}", details))
    }
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "jsonrpce::Error {}: {}", self.code, self.message)
    }
}

impl std::error::Error for Error {}

// Allows `return Err("some message".into());`
impl From<String> for Error {
    fn from(s: String) -> Self {
        // Default error code for generic strings
        Error::new(-32000, s)
    }
}

// Allows `return Err("some message");`
impl From<&str> for Error {
    fn from(s: &str) -> Self {
        Error::new(-32000, s)
    }
}