rustdcr 0.1.0

Decred daemon infrastructure in Rust
Documentation 
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pub mod cmd_types;
pub(crate) mod commands;
mod error;
pub mod result_types;
mod types_test;

use crate::chaincfg::chainhash::Hash;
pub use error::RpcServerError;
use log::warn;

/// Parse hex string to bytes
pub(crate) fn parse_hex_parameters(value: &serde_json::Value) -> Option<Vec<u8>> {
    if value.is_null() {
        return Some(Vec::new());
    }

    let s: String = match serde_json::from_value(value.clone()) {
        Ok(val) => val,

        Err(e) => {
            warn!("Error unmarshalling hex parameters, error: {}", e);
            return None;
        }
    };

    match hex::decode(s) {
        Ok(v) => Some(v),

        Err(e) => {
            warn!("Error converting unmarshalled string to hex, error: {}", e);
            None
        }
    }
}

pub(crate) fn marshal_to_hash(value: serde_json::Value) -> Option<Hash> {
    let hash_string: String = match serde_json::from_value(value) {
        Ok(e) => e,

        Err(e) => {
            warn!("Error unmarshalling hash string, error: {}", e);
            return None;
        }
    };

    let hash = match crate::chaincfg::chainhash::Hash::new_from_str(&hash_string) {
        Ok(e) => e,

        Err(e) => {
            warn!("Error converting hash string to chain hash, error: {}", e);
            return None;
        }
    };

    Some(hash)
}