zebra_chain/block/height/
json_conversion.rs

1//! Consensus-critical conversion from JSON [`Value`] to [`Height`].
2
3use serde_json::Value;
4
5use crate::BoxError;
6
7use super::{Height, TryIntoHeight};
8
9impl TryIntoHeight for Value {
10    type Error = BoxError;
11
12    fn try_into_height(&self) -> Result<Height, Self::Error> {
13        if self.is_number() {
14            let height = self.as_u64().ok_or("JSON value outside u64 range")?;
15            return height.try_into_height();
16        }
17
18        if let Some(height) = self.as_str() {
19            return height.try_into_height();
20        }
21
22        Err("JSON value must be a number or string".into())
23    }
24}