Fix ledger accounting for pool funding and starting balances

Mark truncated hourly totals and cover real economy writes in a regression test.

Co-Authored-By: Codex <[email protected]>

native/smp/mixins/smp/smp_economy.rs

@@ -514,6 +514,7 @@ impl Economy {
         let entry = serde_json::json!({
             "time": self.now, "kind": kind, "amount": amount,
             "to_pool": pool, "pool_before": self.pool(pool), "reason": reason,
+            "flow": "minted",
         });
         self.audit.append(&entry)?;
         self.pool_add(pool, amount);
@@ -595,7 +596,10 @@ impl Economy {
             }
             None => {
                 let start = self.config.starting_balance.clamp(0, MAX_AMOUNT);
-                let entry = self.entry("open", None, Some(uuid), start, "");
+                let mut entry = self.entry("open", None, Some(uuid), start, "");
+                if start > 0 {
+                    entry["flow"] = "minted".into();
+                }
                 if self.audit.append(&entry).is_ok() {
                     self.accounts.accounts.insert(
                         key,

native/smp/mixins/smp/smp_ledger.rs

@@ -52,7 +52,13 @@ pub fn command(
         .filter_map(|l| serde_json::from_str::<Value>(l).ok());
     let page = |w: Option<&&str>| w.and_then(|p| p.parse::<usize>().ok()).unwrap_or(1).max(1);
     let (who, page) = match words[1..] {
-        ["minted"] => return Some(minted(newest, money, now)),
+        ["minted"] => {
+            let mut out = minted(newest, money, now);
+            if audit.metadata().is_ok_and(|m| m.len() > TAIL) {
+                out.insert(1, Out::Reply("Partial totals: only the newest 1 MiB of the ledger was read; older movements may be missing.".into()));
+            }
+            return Some(out);
+        }
         [] => (None, 1),
         [w] if w.parse::<usize>().is_ok() && find(w).is_none() => (None, page(Some(&w))),
         [w, ..] => match find(w) {
@@ -287,6 +293,54 @@ mod tests {
         let _ = std::fs::remove_dir_all(d);
     }
 
+    #[test]
+    fn minted_includes_pool_funding_and_starting_balances() {
+        use super::super::smp_economy::{Config, Economy};
+        let d = dir();
+        let mut e = Economy::open(
+            &d,
+            Config {
+                starting_balance: 50,
+                ..Config::default()
+            },
+        )
+        .unwrap();
+        e.now = 1_793_880_000_000;
+        e.seen(ALEX, "Alex");
+        e.mint_pool("casino_float", "casino", 100, "the casino's float")
+            .unwrap();
+        e.save().unwrap();
+        let run = || {
+            command(
+                &op(),
+                &d.join("audit.log"),
+                &find,
+                &name_of,
+                &money,
+                e.now,
+                "ledger minted",
+            )
+            .unwrap()
+        };
+        assert!(
+            run()
+                .iter()
+                .any(|o| matches!(o, Out::Reply(s) if s.contains("made 150 coins")))
+        );
+        use std::io::Write;
+        let mut file = std::fs::OpenOptions::new()
+            .append(true)
+            .open(d.join("audit.log"))
+            .unwrap();
+        file.write_all(&vec![b'\n'; TAIL as usize]).unwrap();
+        assert!(
+            run()
+                .iter()
+                .any(|o| matches!(o, Out::Reply(s) if s.starts_with("Partial totals:")))
+        );
+        let _ = std::fs::remove_dir_all(d);
+    }
+
     #[test]
     fn pools_and_pages_read_as_they_should() {
         let d = dir();