core: blob+stream: Store stream/blob hashes

Signed-off-by: Chloe M. <chloe@mirocom.org>
2026-04-30 21:28:09 -04:00
parent 1d4bb8769a
commit e35d8cf136
7 changed files with 18 additions and 1 deletions
@@ -9,17 +9,20 @@
 #include <stdint.h>
 #include <stddef.h>
 #include "blobchain/stream.h"
+#include "blobchain/common.h"

 /*
 * Represents a single blob of data
 *
 * @data:   Buffer containing blob data
 * @length: Length of blob
+ * @hash:   Hash of file contents
 * @next:   Next blob
 */
 struct blob {
    void *data;
    size_t length;
+    uint8_t hash[SHA256_N_BYTES];
    struct blob *next;
 };

@@ -6,6 +6,8 @@
 #ifndef BLOBCHAIN_COMMON_H
 #define BLOBCHAIN_COMMON_H 1

+#define SHA256_N_BYTES 32
+
 #define BLOBCHAIN_DEBUG 1
 #define BLOBCHAIN_VERSION "0.0.1"

@@ -6,17 +6,21 @@
 #ifndef BLOBCHAIN_STREAM_H
 #define BLOBCHAIN_STREAM_H 1

+#include <stdint.h>
 #include <stddef.h>
+#include "blobchain/common.h"

 /*
 * Represents a data stream
 *
 * @data:   Data buffer
 * @length: Number of bytes in data buffer
+ * @hash:   SHA256 hash of file contents
 */
 struct data_stream {
    void *data;
    size_t length;
+    uint8_t hash[SHA256_N_BYTES];
 };

 /*