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Add blkmk_append_coinbase_safe2 which can understand mdata use

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This commit is contained in:
Luke Dashjr
2014-02-27 17:19:05 +00:00
parent 847b04d030
commit 9f5e949f7e
2 changed files with 16 additions and 2 deletions
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17
blkmaker.c
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@@ -242,12 +242,21 @@ bool _blkmk_append_cb(blktemplate_t * const tmpl, void * const vout, const void
return true;
}
ssize_t blkmk_append_coinbase_safe(blktemplate_t *tmpl, const void *append, size_t appendsz) {
ssize_t blkmk_append_coinbase_safe2(blktemplate_t * const tmpl, const void * const append, const size_t appendsz, int extranoncesz, const bool merkle_only)
{
if (!(tmpl->mutations & (BMM_CBAPPEND | BMM_CBSET)))
return -1;
size_t datasz = tmpl->cbtxn->datasz;
size_t availsz = 100 - sizeof(unsigned int) - tmpl->cbtxn->data[cbScriptSigLen];
if (!merkle_only)
{
if (extranoncesz < sizeof(unsigned int))
extranoncesz = sizeof(unsigned int);
else
if (extranoncesz == sizeof(unsigned int))
++extranoncesz;
}
size_t availsz = 100 - extranoncesz - tmpl->cbtxn->data[cbScriptSigLen];
if (appendsz > availsz)
return availsz;
@@ -263,6 +272,10 @@ ssize_t blkmk_append_coinbase_safe(blktemplate_t *tmpl, const void *append, size
return availsz;
}
ssize_t blkmk_append_coinbase_safe(blktemplate_t * const tmpl, const void * const append, const size_t appendsz) {
return blkmk_append_coinbase_safe2(tmpl, append, appendsz, 0, false);
}
bool _blkmk_extranonce(blktemplate_t *tmpl, void *vout, unsigned int workid, size_t *offs) {
unsigned char *in = tmpl->cbtxn->data;
size_t insz = tmpl->cbtxn->datasz;

1
blkmaker.h
View File

@@ -16,6 +16,7 @@ extern uint64_t blkmk_init_generation(blktemplate_t *, void *script, size_t scri
extern uint64_t blkmk_init_generation2(blktemplate_t *, void *script, size_t scriptsz, bool *out_newcb);
extern uint64_t blkmk_init_generation3(blktemplate_t *, const void *script, size_t scriptsz, bool *inout_newcb);
extern ssize_t blkmk_append_coinbase_safe(blktemplate_t *, const void *append, size_t appendsz);
extern ssize_t blkmk_append_coinbase_safe2(blktemplate_t *, const void *append, size_t appendsz, int extranoncesz, bool merkle_only);
extern bool _blkmk_extranonce(blktemplate_t *tmpl, void *vout, unsigned int workid, size_t *offs);
extern size_t blkmk_get_data(blktemplate_t *, void *buf, size_t bufsz, time_t usetime, int16_t *out_expire, unsigned int *out_dataid);
extern bool blkmk_get_mdata(blktemplate_t *, void *buf, size_t bufsz, time_t usetime, int16_t *out_expire, void *out_cbtxn, size_t *out_cbtxnsz, size_t *cbextranonceoffset, int *out_branchcount, void *out_branches, size_t extranoncesz);