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jobconnect.cpp
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jobconnect.cpp
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#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <json/jsonrpc.h>
#include <assert.h>
#include "bc_bignum.h"
#include "handylib.h"
#include "miner.h"
using namespace handylib;
//echo -n 'user:pass' | base64
hosts_t hosts[]={
{"Basic dHl0dXMucGkyOnB1YmxpY3Bhc3M=","http://127.0.0.1:8332/",{0,0,0,0,0,0,0,0xFFFFFFFF},NULL,NULL,0,0,0} // local stratum client
,{"Basic dHl0dXMucGkyOnB1YmxpY3Bhc3M=","http://127.0.0.1:8333/",{0,0,0,0,0,0,0,0xFFFFFFFF},NULL,NULL,0,0,0} // local stratum client
,{"Basic dHl0dXMucGkyOnB1YmxpY3Bhc3M=","http://127.0.0.1:8334/",{0,0,0,0,0,0,0,0xFFFFFFFF},NULL,NULL,0,0,0} // local stratum client
};
Thread::mutex gwmut;
Thread::mutex pwmut;
class GetworkThread : public Thread
{
public:
std::vector<getwork> getworks;
unsigned char host;
virtual void Run();
virtual void log();
};
class PutworkThread : public Thread
{
public:
std::vector<putwork> putworks;
unsigned char host;
virtual void Run();
virtual void log();
};
void byte_reverse(uint8_t *p)
{
uint8_t t[4];
t[0] = p[3];
t[1] = p[2];
t[2] = p[1];
t[3] = p[0];
p[0] = t[0];
p[1] = t[1];
p[2] = t[2];
p[3] = t[3];
}
bool parse_ulong(uint32_t *dst, const char *s, unsigned int n, int rev, int brev)
{
unsigned int i;
char so[9]; so[8] = 0;
if (strlen(s) < 8*n) return false;
for (i = 0; i < n; i++) {
memcpy(so, &s[i*8], 8);
if (rev) {
dst[n-1-i] = strtoul(so,0,16);
if (brev) byte_reverse((uint8_t*)(&dst[n-1-i]));
} else {
dst[i] = strtoul(so,0,16);
if (brev) byte_reverse((uint8_t*)(&dst[i]));
}
}
return true;
}
void bits2bn(uint32_t *tgt, unsigned int nCompact)
{
byte_reverse((uint8_t*)&nCompact);
unsigned int nSize = (nCompact >> 24) & 0xFF;
printf("nSize: %u\n", nSize);
memset(tgt,0,32);
if (nSize > 255) return;
unsigned char vch[128 + nSize];
memset(vch, 0, 4 + nSize);
vch[3] = nSize;
if (nSize >= 1) vch[4] = (nCompact >> 16) & 0xFF;
if (nSize >= 2) vch[5] = (nCompact >> 8) & 0xFF;
if (nSize >= 3) vch[6] = (nCompact >> 0) & 0xFF;
unsigned char bnbuf[1024];
memset(bnbuf, 0, sizeof(bnbuf));
BIGNUM *bn = (BIGNUM*)bnbuf;
BN_mpi2bn(vch, 4+nSize, bn);
nSize = BN_bn2mpi(bn, NULL);
if (nSize < 4) return;
BN_bn2mpi(bn, vch);
if (nSize > 4) vch[4] &= 0x7F;
for (int i = 0, j = nSize - 1; i < 32 && j >= 4; i++, j--)
((unsigned char*)tgt)[i] = vch[j];
}
Json::Value make_rpc_req(Json::Value query, bool logit,unsigned char host)
{
HTTPClient cl;
cl.rh["Authorization"] = hosts[host].aut;
cl.rh["Connection"] = "close";
Json::FastWriter writer;
cl.pr["_full_post"] = writer.write(query);
if (logit) {
FILE *fd = fopen(".rpc.log", "w"); // log only 1 transaction
if (fd) {
fprintf(fd, "COMPLETE RPC REQUEST:\n%s\nEND OF REQUEST\n", cl.pr["_full_post"].c_str());
fclose(fd);
}
}
cl.request(hosts[host].url,true);
if (!cl.isOK()) {
return Json::Value();
}
std::string ans;
while (cl.peek() != EOF) {
unsigned to_r = cl.rdbuf()->in_avail();
if (to_r == 0) break;
if (to_r > 4000) to_r = 4000;
char tbuf[to_r+2];
cl.read(tbuf,to_r);
ans += std::string(tbuf, to_r);
}
if (logit) {
FILE *fd = fopen(".rpc.log", "a");
if (fd) {
fprintf(fd, "COMPLETE RPC ANSWER:\n%s\nEND OF ANSWER\n", ans.c_str());
fclose(fd);
}
}
cl.disconnect();
Json::Reader reader;
Json::Value answ;
if (!reader.parse(ans, answ)) return false;
if (answ.type() != Json::objectValue) return false;
answ = answ["result"];
if (answ.type() != Json::objectValue) return false;
return answ;
}
/* -------------------------------- getwork -----------------------------------*/
void GetworkThread::log()
{
unsigned int i,j;
char filename[32];
FILE* fp;
sprintf(filename,".getwork-%d.log",host);
fp=fopen(filename, "w");
gwmut.lock();
for(i=0;i<getworks.size();i++){
fprintf(fp,"%u ",getworks[i].mtime);
for(j=0;j<8;j++){
fprintf(fp,"%08x", getworks[i].midstate[j]);}
fprintf(fp,"\n");}
gwmut.unlock();
fclose(fp);
}
void GetworkThread::Run()
{
while(!testCancel()) {
uint32_t midstate[8]={0,0,0,0,0,0,0,0}, data[32];
unsigned int i;
getwork gw;
uint32_t mtime = time(NULL);
Json::Value query, answ;
PutworkThread* pwt=(PutworkThread*)hosts[host].pwt;
gwmut.lock();
if(!getworks.empty()){
if(getworks.back().mtime==mtime) {
gwmut.unlock();
threads_sleep(100);
continue;}
for(i=0;i<getworks.size();i++){
if(getworks[i].mtime>mtime-MAXWORKAGE){
break;}}
if(i>0){
getworks.erase(getworks.begin(),getworks.begin()+i);}}
gwmut.unlock();
if(pwt==NULL){
threads_sleep(100);
continue;}
if(pwt->putworks.size()>MAXPUTWORK){
gwmut.lock();
getworks.clear(); // removes all jobs due to slow queue
gwmut.unlock();
printf("GETWORK: queue full for host[%d]: %s \n",host,hosts[host].url);
threads_sleep(1000);
continue;}
query["jsonrpc"] = "2.0";
query["id"] = 1;
query["method"] = "getwork";
answ = make_rpc_req(query, false, host);
if (answ.type() != Json::objectValue){
threads_sleep(500);
continue; }
if (!parse_ulong(data, answ["data"].asCString(), 32, 0, 1)){
threads_sleep(500);
continue; }
if (!parse_ulong(midstate, answ["midstate"].asCString(), 8, 0, 1)) {
const unsigned sha_initial_state[8]={0x6a09e667,0xbb67ae85,0x3c6ef372,0xa54ff53a,0x510e527f,0x9b05688c,0x1f83d9ab,0x5be0cd19};
SHA256_Full(midstate, data, sha_initial_state); }
gwmut.lock();
if(!getworks.empty()){
if (memcmp( ((btc_block_t*)data)->hashPrevBlock, ((btc_block_t*)getworks.front().data)->hashPrevBlock, 32)) {
getworks.clear(); // removes all jobs in last block
gwmut.unlock();
pwmut.lock();
if (!parse_ulong(hosts[host].target, answ["target"].asCString(), 8, 0, 1)) {
bits2bn(hosts[host].target, ((btc_block_t*)data)->nBits );
}
pwmut.unlock();
gwmut.lock();
} }
else{
if(hosts[host].target[7]==0xFFFFFFFF){
gwmut.unlock();
pwmut.lock();
if (!parse_ulong(hosts[host].target, answ["target"].asCString(), 8, 0, 1)) {
bits2bn(hosts[host].target, ((btc_block_t*)data)->nBits );
}
pwmut.unlock();
gwmut.lock();
} }
gw.mtime=mtime;
memcpy(gw.data,data,sizeof(data));
memcpy(gw.midstate,midstate,sizeof(midstate));
getworks.push_back(gw);
gwmut.unlock();
//log();
}
}
uint32_t get_work(uint32_t *midstate, uint32_t *data)
{
getwork gw;
uint32_t mtime;
int h,num=sizeof(hosts)/sizeof(hosts_t);
static unsigned char host=0;
gwmut.lock();
for(h=0;h<num;h++,host++){
host=host%num;
GetworkThread* gwt=(GetworkThread*)hosts[host].gwt;
if(!gwt->getworks.empty()){
mtime=gwt->getworks.back().mtime;
memcpy(data,gwt->getworks.back().data,sizeof(gw.data));
memcpy(midstate,gwt->getworks.back().midstate,sizeof(gw.midstate));
//add host signature to data
if(((char*)data)[0]!=0){
printf("ERROR: got incompatible data header char: %d\n",(int)(((char*)data)[0]));
gwt->getworks.pop_back();
gwmut.unlock();
return 0;}
memcpy(data,&host,1);
gwt->getworks.pop_back();
gwmut.unlock();
hosts[host].got++;
return mtime;}}
gwmut.unlock();
threads_sleep(100); //sleep here rather than in C part
return 0;
}
void get_start()
{
int h,num=sizeof(hosts)/sizeof(hosts_t);
//pthread_mutex_setprioceiling(gwmut,0,&h);
for(h=0;h<num;h++){
GetworkThread *gwt = new GetworkThread();
hosts[h].gwt=gwt;
gwt->host=h;
gwt->Start();}
}
/* -------------------------------- putwork -----------------------------------*/
void PutworkThread::log()
{
unsigned int i,j;
char filename[32];
FILE* fp;
sprintf(filename,".putwork-%d.log",host);
fp=fopen(filename, "w");
gwmut.lock();
fprintf(fp,"%d\n",putworks.size());
for(i=0;i<putworks.size();i++){
for(j=16;j<20;j++){
fprintf(fp,"%08x", putworks[i].data[j]);}
fprintf(fp,"\n");}
gwmut.unlock();
fclose(fp);
}
void PutworkThread::Run() // just send data, don't check anything (again)
{
for(;;){
uint32_t data[32];
char ustr[258];
unsigned int k;
//FILE* fd;
pwmut.lock();
if(putworks.empty()){
pwmut.unlock();
if(testCancel()){
break;}
threads_sleep(100);
continue;}
memcpy(data,putworks.front().data, sizeof(data));
putworks.erase(putworks.begin());
pwmut.unlock();
for(k=0;k<32;k++) {
byte_reverse((uint8_t*)(&data[k]));
sprintf(&ustr[k*8],"%08x",data[k]);}
ustr[256] = 0;
//fd=fopen(".putwork.log", "a");
//fprintf(fd,"%u %s\n",time(NULL),ustr);
//fclose(fd);
Json::Value query;
query["jsonrpc"] = "2.0";
query["id"] = 1;
query["method"] = "getwork";
query["params"][0] = std::string(ustr);
Json::Value answ = make_rpc_req(query, false, host); // only one save
// here we should check if the answer is ok
hosts[host].sent++;
//log();
}
}
void put_work(uint32_t *data,uint32_t* hash)
{
//FILE* fd;
int k;
unsigned char host;
for(k=0;k<7;k++){ // Reverse byte order !
byte_reverse((uint8_t*)(&hash[k]));}
memcpy(&host,data,1);
for(k=7;k>0;k--){
if(hash[k]<hosts[host].target[k]){ // hash meets difficulty
PutworkThread* pwt;
putwork pw;
memset(data,0,1);
pwt=(PutworkThread*)hosts[host].pwt;
memcpy(pw.data,data,sizeof(uint32_t)*32);
pwmut.lock();
pwt->putworks.push_back(pw);
pwmut.unlock();
hosts[host].done++;
//fd=fopen(".putwork.log", "a");
//fprintf(fd,"%lu %08x-%08x-%08x-%08x-%08x-%08x-%08x-%08x %d good\n",time(NULL),hash[0],hash[1],hash[2],hash[3],hash[4],hash[5],hash[6],hash[7],k);
//fclose(fd);
//printf("SENDING: %08x-%08x-%08x-%08x-%08x-%08x-%08x-%08x\n",hash[0],hash[1],hash[2],hash[3],hash[4],hash[5],hash[6],hash[7]);
return;}
if(hash[k]>hosts[host].target[k]){
//fd=fopen(".putwork.log", "a");
//fprintf(fd,"%lu %08x-%08x-%08x-%08x-%08x-%08x-%08x-%08x %d easy\n",time(NULL),hash[0],hash[1],hash[2],hash[3],hash[4],hash[5],hash[6],hash[7],k);
//fclose(fd);
return;}}
}
void put_start()
{
int h,num=sizeof(hosts)/sizeof(hosts_t);
//pthread_mutex_setprioceiling(pwmut,0,&h);
for(h=0;h<num;h++){
PutworkThread *pwt = new PutworkThread();
hosts[h].pwt=pwt;
pwt->host=h;
pwt->Start();}
}
int put_queue()
{
FILE* fd=fopen(".putstat.log", "w");
int size=0,h,num=sizeof(hosts)/sizeof(hosts_t);
for(h=0;h<num;h++){
PutworkThread *pwt = (PutworkThread*)hosts[h].pwt;
size+=pwt->putworks.size();
fprintf(fd,"%d %d %d %d [%d]%s\n",pwt->putworks.size(),hosts[h].got,hosts[h].done,hosts[h].sent,(int)(pwt->host),hosts[h].url);}
fclose(fd);
return size;
}