Files
libblkmaker/blktemplate.c
2013-06-13 07:25:49 +00:00

120 lines
2.5 KiB
C

/*
* Copyright 2012 Luke Dashjr
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the standard MIT license. See COPYING for more details.
*/
#define _BSD_SOURCE
#include <limits.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <blktemplate.h>
static const char *capnames[] = {
"coinbasetxn",
"coinbasevalue",
"workid",
"longpoll",
"proposal",
"serverlist",
NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
"coinbase/append",
"coinbase",
"generate",
"time/increment",
"time/decrement",
"transactions/add",
"prevblock",
"version/force",
"version/reduce",
"submit/hash",
"submit/coinbase",
"submit/truncate",
"share/coinbase",
"share/merkle",
"share/truncate",
};
const char *blktmpl_capabilityname(gbt_capabilities_t caps) {
for (unsigned int i = 0; i < GBT_CAPABILITY_COUNT; ++i)
if (caps & (1 << i))
return capnames[i];
return NULL;
}
gbt_capabilities_t blktmpl_getcapability(const char *n) {
for (unsigned int i = 0; i < GBT_CAPABILITY_COUNT; ++i)
if (capnames[i] && !strcasecmp(n, capnames[i]))
return 1 << i;
return 0;
}
blktemplate_t *blktmpl_create() {
blktemplate_t *tmpl;
tmpl = calloc(1, sizeof(*tmpl));
if (!tmpl)
return NULL;
tmpl->sigoplimit = USHRT_MAX;
tmpl->sizelimit = ULONG_MAX;
tmpl->maxtime = 0xffffffff;
tmpl->maxtimeoff = 0x7fff;
tmpl->mintimeoff = -0x7fff;
tmpl->maxnonce = 0xffffffff;
tmpl->expires = 0x7fff;
return tmpl;
}
gbt_capabilities_t blktmpl_addcaps(const blktemplate_t *tmpl) {
// TODO: make this a lot more flexible for merging
// For now, it's a simple "filled" vs "not filled"
if (tmpl->version)
return 0;
return GBT_CBTXN | GBT_WORKID | BMM_TIMEINC | BMM_CBAPPEND;
}
const struct blktmpl_longpoll_req *blktmpl_get_longpoll(blktemplate_t *tmpl) {
if (!tmpl->lp.id)
return NULL;
return &tmpl->lp;
}
bool blktmpl_get_submitold(blktemplate_t *tmpl) {
return tmpl->submitold;
}
static
void blktxn_free(struct blktxn_t *bt) {
free(bt->data);
free(bt->hash);
free(bt->depends);
}
void blktmpl_free(blktemplate_t *tmpl) {
for (unsigned long i = 0; i < tmpl->txncount; ++i)
blktxn_free(&tmpl->txns[i]);
free(tmpl->txns);
if (tmpl->cbtxn)
{
blktxn_free(tmpl->cbtxn);
free(tmpl->cbtxn);
}
// TODO: maybe free auxnames[0..n]? auxdata too
free(tmpl->auxnames);
free(tmpl->auxdata);
free(tmpl->workid);
free(tmpl->lp.id);
free(tmpl->lp.uri);
free(tmpl);
}