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Abstract out tests for whether work has come from a block that has been seen before and whether a string is from a previously seen block.

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This commit is contained in:
Con Kolivas 2012-02-05 14:35:45 +11:00
parent 13fa5772ad
commit 01659bcc6c
1 changed files with 31 additions and 6 deletions
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37
cgminer.c
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@ -2013,9 +2013,36 @@ static void set_curblock(char *hexstr, unsigned char *hash)
free(old_hash);
}
static void test_work_current(struct work *work, bool longpoll)
/* Search to see if this string is from a block that has been seen before */
static bool block_exists(char *hexstr)
{
struct block *s;
rd_lock(&blk_lock);
HASH_FIND_STR(blocks, hexstr, s);
rd_unlock(&blk_lock);
if (s)
return true;
return false;
}
/* Tests if this work is from a block that has been seen before */
static inline bool from_existing_block(struct work *work)
{
char *hexstr = bin2hex(work->data, 18);
bool ret;
if (unlikely(!hexstr)) {
applog(LOG_ERR, "from_existing_block OOM");
return true;
}
ret = block_exists(hexstr);
free(hexstr);
return ret;
}
static void test_work_current(struct work *work, bool longpoll)
{
char *hexstr;
/* Allow donation to not set current work, so it will work even if
@ -2031,11 +2058,9 @@ static void test_work_current(struct work *work, bool longpoll)
/* Search to see if this block exists yet and if not, consider it a
* new block and set the current block details to this one */
rd_lock(&blk_lock);
HASH_FIND_STR(blocks, hexstr, s);
rd_unlock(&blk_lock);
if (!s) {
s = calloc(sizeof(struct block), 1);
if (!block_exists(hexstr)) {
struct block *s = calloc(sizeof(struct block), 1);
if (unlikely(!s))
quit (1, "test_work_current OOM");
strcpy(s->hash, hexstr);