crates: snapshot

crates/brk_oracle/src/config.rs

@@ -0,0 +1,40 @@
+use brk_types::OutputType;
+
+/// Dust floor used by `Config::default()` and `default_eligible_bin`.
+pub(crate) const DEFAULT_MIN_SATS: u64 = 1000;
+
+/// Output types skipped by `Config::default()` (noisy) and the source of
+/// truth for `default_eligible_bin`'s precomputed exclusion mask.
+pub(crate) const DEFAULT_EXCLUDED_OUTPUT_TYPES: &[OutputType] =
+    &[OutputType::P2TR, OutputType::P2WSH];
+
+#[derive(Clone)]
+pub struct Config {
+    /// EMA decay: 2/(N+1) where N is span in blocks. 2/7 = 6-block span.
+    pub alpha: f64,
+    /// Ring buffer depth. 12 blocks for deterministic convergence at any start height.
+    pub window_size: usize,
+    /// Search window bins below/above previous estimate. Asymmetric for log-scale.
+    pub search_below: usize,
+    pub search_above: usize,
+    /// Minimum output value in sats (dust filter).
+    pub min_sats: u64,
+    /// Exclude round BTC amounts that create false stencil matches.
+    pub exclude_common_round_values: bool,
+    /// Output types to ignore (e.g. P2TR, P2WSH are noisy).
+    pub excluded_output_types: Vec<OutputType>,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            alpha: 2.0 / 7.0,
+            window_size: 12,
+            search_below: 9,
+            search_above: 11,
+            min_sats: DEFAULT_MIN_SATS,
+            exclude_common_round_values: true,
+            excluded_output_types: DEFAULT_EXCLUDED_OUTPUT_TYPES.to_vec(),
+        }
+    }
+}