global: snapshot

crates/brk_query/src/impl/mod.rs

@@ -5,6 +5,7 @@ mod mempool;
 mod metrics;
 mod metrics_legacy;
 mod mining;
+mod price;
 mod transaction;
 
 pub use block::BLOCK_TXS_PAGE_SIZE;

crates/brk_query/src/impl/price.rs

@@ -0,0 +1,29 @@
+use brk_error::{Error, Result};
+use brk_types::Dollars;
+
+use crate::Query;
+
+impl Query {
+    pub fn live_price(&self) -> Result<Dollars> {
+        let oracle_vecs = &self
+            .computer()
+            .price
+            .as_ref()
+            .ok_or_else(|| Error::OutOfRange("Oracle prices not computed yet".into()))?
+            .oracle;
+
+        let mut oracle = oracle_vecs.live_oracle(self.indexer())?;
+
+        if let Some(mempool) = self.mempool() {
+            let txs = mempool.get_txs();
+            let mempool_outputs: Vec<_> = txs
+                .values()
+                .flat_map(|tx| &tx.tx().output)
+                .map(|txout| (txout.value, txout.type_()))
+                .collect();
+            oracle.process_outputs(mempool_outputs.into_iter());
+        }
+
+        Ok(oracle.price_dollars())
+    }
+}