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nostrdb/nostr_bech32: only parse up to raw bech32 buffers

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We will be storing raw nostr bech32 buffers directly into nostrdb, so
adapt our bech32 code to reflect this.

When doing our content parsing pass, we will only look for strings and we
won't allocate any intermediate buffers. Only when we write this string
block to nostrdb will we actually allocate in our nostrdb output buffer
(no mallocs!)

Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2023-12-27 12:35:54 -08:00
committed by Daniel D’Aquino
parent 30ba0d72cc
commit aa5809d792
4 changed files with 166 additions and 93 deletions
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36
nostrdb/src/nostr_bech32.h
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@@ -11,8 +11,7 @@
#include <stdio.h>
#include "str_block.h"
#include "cursor.h"
typedef unsigned char u8;
#define MAX_RELAYS 10
#define MAX_RELAYS 24
struct relays {
struct str_block relays[MAX_RELAYS];
@@ -30,42 +29,40 @@ enum nostr_bech32_type {
};
struct bech32_note {
const u8 *event_id;
const unsigned char *event_id;
};
struct bech32_npub {
const u8 *pubkey;
const unsigned char *pubkey;
};
struct bech32_nsec {
const u8 *nsec;
const unsigned char *nsec;
};
struct bech32_nevent {
struct relays relays;
const u8 *event_id;
const u8 *pubkey; // optional
const unsigned char *event_id;
const unsigned char *pubkey; // optional
};
struct bech32_nprofile {
struct relays relays;
const u8 *pubkey;
const unsigned char *pubkey;
};
struct bech32_naddr {
struct relays relays;
struct str_block identifier;
const u8 *pubkey;
const unsigned char *pubkey;
};
struct bech32_nrelay {
struct str_block relay;
};
typedef struct nostr_bech32 {
struct nostr_bech32 {
enum nostr_bech32_type type;
u8 *buffer; // holds strings and tlv stuff
size_t buflen;
union {
struct bech32_note note;
@@ -76,9 +73,20 @@ typedef struct nostr_bech32 {
struct bech32_naddr naddr;
struct bech32_nrelay nrelay;
} data;
} nostr_bech32_t;
};
int parse_nostr_bech32(struct cursor *cur, struct nostr_bech32 *obj);
int parse_nostr_bech32_str(struct cursor *bech32);
int parse_nostr_bech32_type(const char *prefix, enum nostr_bech32_type *type);
/*
int parse_nostr_bech32_buffer(unsigned char *buf, int buflen,
enum nostr_bech32_type type,
struct nostr_bech32 *obj);
int parse_nostr_bech32(const char *bech32, size_t input_len,
unsigned char *outbuf, size_t outlen,
enum nostr_bech32_type *type);
*/
#endif /* nostr_bech32_h */