meerkat-contracts 0.4.2

Wire format contracts and capability registry for Meerkat
Documentation 
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//! Wire usage type.

use serde::{Deserialize, Serialize};

/// Canonical token usage for wire protocol.
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
#[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
pub struct WireUsage {
    pub input_tokens: u64,
    pub output_tokens: u64,
    pub total_tokens: u64,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub cache_creation_tokens: Option<u64>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub cache_read_tokens: Option<u64>,
}

impl From<meerkat_core::Usage> for WireUsage {
    fn from(u: meerkat_core::Usage) -> Self {
        Self {
            input_tokens: u.input_tokens,
            output_tokens: u.output_tokens,
            total_tokens: u.total_tokens(),
            cache_creation_tokens: u.cache_creation_tokens,
            cache_read_tokens: u.cache_read_tokens,
        }
    }
}