1 files changed, 51 insertions, 0 deletions
diff --git a/src/ledger.h b/src/ledger.h
new file mode 100644
index 0000000..30271d0
--- /dev/null
+++ b/src/ledger.h
@@ -0,0 +1,51 @@
+#ifndef BOKF_LEDGER_H
+#define BOKF_LEDGER_H
+
+#include <sqlite3.h>
+#include <stddef.h>
+#include <stdint.h>
+
+struct ledger_row {
+    const char *account;
+    int64_t debit_ore;
+    int64_t credit_ore;
+    const char *description;
+};
+
+struct ledger_error {
+    const char *code;
+    char msg[512];
+    int has_details;
+    int64_t difference_ore;
+};
+
+struct ledger_post_opts {
+    int64_t org_id;
+    int64_t user_id;
+    int64_t token_id;
+    const char *date;
+    const char *description;
+    const char *series; /* NULL -> "A" */
+    const struct ledger_row *rows;
+    size_t nrows;
+    int64_t corrects_voucher_id; /* 0 = none */
+    const int64_t *attachment_ids;
+    size_t n_attachments;
+    const char *client_ref; /* NULL = none */
+    int dry_run;
+    const char *source; /* NULL -> "manual" or "agent" */
+};
+
+int ledger_post(sqlite3 *db, const struct ledger_post_opts *o,
+                struct ledger_error *e, char **out_result_json);
+
+/* Appends the canonical bytes for a voucher hash (SCHEMA.md 7.1) and
+   returns the 32-byte hash. */
+void ledger_voucher_hash(const unsigned char prev[32], int64_t org_id,
+                         const char *fy_label, const char *series,
+                         int64_t number, const char *date,
+                         const char *description,
+                         const struct ledger_row *rows, size_t nrows,
+                         unsigned char out[32]);
+
+#endif