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UsageEvent

lean_ctx::gateway_server::store

Struct UsageEvent 

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pub struct UsageEvent {
Show 19 fields
    pub person: String,
    pub team: Option<String>,
    pub project: String,
    pub provider: String,
    pub model: String,
    pub routed_from: Option<String>,
    pub input_tokens: i64,
    pub output_tokens: i64,
    pub cache_read_tokens: i64,
    pub cache_write_tokens: i64,
    pub reasoning_tokens: i64,
    pub cost_usd: f64,
    pub saved_tokens: i64,
    pub saved_usd: f64,
    pub uncompressed_input_tokens: i64,
    pub reference_model: Option<String>,
    pub reference_cost_usd: f64,
    pub is_local: bool,
    pub cost_source: &'static str,

}
Expand description

One usage_events row, fully derived from a finalized RealUsage.

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§person: String§team: Option<String>§project: String§provider: String§model: String§routed_from: Option<String>§input_tokens: i64§output_tokens: i64§cache_read_tokens: i64§cache_write_tokens: i64§reasoning_tokens: i64§cost_usd: f64§saved_tokens: i64§saved_usd: f64§uncompressed_input_tokens: i64§reference_model: Option<String>§reference_cost_usd: f64§is_local: bool§cost_source: &'static str

Where cost_usd came from (#1179): provider (the response’s own charge), shadow (local shadow rate), live (current provider price list), list (embedded list price) or heuristic (estimate).

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impl UsageEvent

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pub fn from_usage( usage: &RealUsage, pricing: &ModelPricing, baseline: &BaselineConfig, ) -> Self

Derives the row from a measured turn, pricing both the actual cost and the compression saving with the shared pricing table, and stamping the counterfactual baseline (enterprise#15/#18):

  • cost_usd, in precedence order (#1179): the provider’s own reported charge (usage.cost, OpenRouter) — except is_local, which books the transparent local_shadow_rate (never $0; Doc 04 §6) — then the live/list price table. cost_source records which one applied.
  • reference_cost_usd: the request’s uncompressed input tokens priced at the contract-frozen reference_model’s input rate (Doc 08 §2) — the counterfactual the avoided-cost ledger settles against.
  • saved_usd: the SEE (compression) component only — saved request tokens at the served model’s input rate. Full mechanism attribution (routing/caching) is the signed ledger’s job (wave 4, enterprise#19).

Trait Implementations§

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impl Clone for UsageEvent

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fn clone(&self) -> UsageEvent

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for UsageEvent

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for UsageEvent

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fn eq(&self, other: &UsageEvent) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for UsageEvent

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