0.5.6

kb_lib/src/db/queries/pool.rs

@@ -62,3 +62,157 @@ LIMIT 1
         }
     }
 }
+
+/// Reads one normalized pool row by address.
+pub async fn get_pool_by_address(
+    database: &crate::KbDatabase,
+    address: &str,
+) -> Result<std::option::Option<crate::KbPoolDto>, crate::KbError> {
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbPoolEntity>(
+                r#"
+SELECT
+    id,
+    dex_id,
+    address,
+    pool_kind,
+    status,
+    first_seen_at,
+    updated_at
+FROM kb_pools
+WHERE address = ?
+LIMIT 1
+                "#,
+            )
+            .bind(address)
+            .fetch_optional(pool)
+            .await;
+            let entity_option = match query_result {
+                Ok(entity_option) => entity_option,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot read kb_pools '{}' on sqlite: {}",
+                        address, error
+                    )));
+                }
+            };
+            match entity_option {
+                Some(entity) => {
+                    let dto_result = crate::KbPoolDto::try_from(entity);
+                    match dto_result {
+                        Ok(dto) => Ok(Some(dto)),
+                        Err(error) => Err(error),
+                    }
+                }
+                None => Ok(None),
+            }
+        }
+    }
+}
+
+/// Lists normalized pools ordered by id ascending.
+pub async fn list_pools(
+    database: &crate::KbDatabase,
+) -> Result<std::vec::Vec<crate::KbPoolDto>, crate::KbError> {
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbPoolEntity>(
+                r#"
+SELECT
+    id,
+    dex_id,
+    address,
+    pool_kind,
+    status,
+    first_seen_at,
+    updated_at
+FROM kb_pools
+ORDER BY id ASC
+                "#,
+            )
+            .fetch_all(pool)
+            .await;
+            let entities = match query_result {
+                Ok(entities) => entities,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot list kb_pools on sqlite: {}",
+                        error
+                    )));
+                }
+            };
+            let mut dtos = std::vec::Vec::new();
+            for entity in entities {
+                let dto_result = crate::KbPoolDto::try_from(entity);
+                let dto = match dto_result {
+                    Ok(dto) => dto,
+                    Err(error) => return Err(error),
+                };
+                dtos.push(dto);
+            }
+            Ok(dtos)
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[tokio::test]
+    async fn pool_roundtrip_works() {
+        let tempdir = tempfile::tempdir().expect("tempdir must succeed");
+        let database_path = tempdir.path().join("pool_roundtrip.sqlite3");
+        let config = crate::KbDatabaseConfig {
+            enabled: true,
+            backend: crate::KbDatabaseBackend::Sqlite,
+            sqlite: crate::KbSqliteDatabaseConfig {
+                path: database_path.to_string_lossy().to_string(),
+                create_if_missing: true,
+                busy_timeout_ms: 5000,
+                max_connections: 1,
+                auto_initialize_schema: true,
+                use_wal: true,
+            },
+        };
+        let database = crate::KbDatabase::connect_and_initialize(&config)
+            .await
+            .expect("database init must succeed");
+        let dex_id = crate::upsert_dex(
+            &database,
+            &crate::KbDexDto::new(
+                "raydium".to_string(),
+                "Raydium".to_string(),
+                None,
+                None,
+                true,
+            ),
+        )
+        .await
+        .expect("dex upsert must succeed");
+        let pool_id = crate::upsert_pool(
+            &database,
+            &crate::KbPoolDto::new(
+                dex_id,
+                "Pool111111111111111111111111111111111111111".to_string(),
+                crate::KbPoolKind::Amm,
+                crate::KbPoolStatus::Active,
+            ),
+        )
+        .await
+        .expect("pool upsert must succeed");
+        assert!(pool_id > 0);
+        let pool =
+            crate::get_pool_by_address(&database, "Pool111111111111111111111111111111111111111")
+                .await
+                .expect("get pool must succeed");
+        assert!(pool.is_some());
+        assert_eq!(
+            pool.expect("pool must exist").pool_kind,
+            crate::KbPoolKind::Amm
+        );
+        let pools = crate::list_pools(&database)
+            .await
+            .expect("list pools must succeed");
+        assert_eq!(pools.len(), 1);
+    }
+}