Add total interractions to contract count

Closes #6

src/rpc/contract.rs

@@ -16,6 +16,7 @@ use crate::{db::DB, timeutil::time_now};
 pub struct ContractCount {
     active: u64,
     ended: u64,
+    interactions: u64,
 }
 
 fn db_contract_count_all(db: &Connection) -> Result<ContractCount> {
@@ -31,7 +32,15 @@ fn db_contract_count_all(db: &Connection) -> Result<ContractCount> {
         |row| row.get(0),
     )?;
 
-    Ok(ContractCount { active, ended })
+    let interactions: u64 = db.query_row("SELECT COUNT(*) FROM pool_history_entry", [], |row| {
+        row.get(0)
+    })?;
+
+    Ok(ContractCount {
+        active,
+        ended,
+        interactions,
+    })
 }
 
 fn db_contract_count_by_token(db: &Connection, token_id: &str) -> Result<ContractCount> {
@@ -47,7 +56,17 @@ fn db_contract_count_by_token(db: &Connection, token_id: &str) -> Result<Contrac
         |row| row.get(0),
     )?;
 
-    Ok(ContractCount { active, ended })
+    let interactions: u64 = db.query_row(
+        "SELECT COUNT(*) FROM pool_history_entry phe JOIN pool p ON phe.pool = p.creation_utxo WHERE p.token_id = ?",
+        [token_id],
+        |row| row.get(0),
+    )?;
+
+    Ok(ContractCount {
+        active,
+        ended,
+        interactions,
+    })
 }
 
 #[get("/contract/count")]