tiamak/salvium
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RandomX integration

Browse Source 
Support RandomX PoW algorithm
This commit is contained in:
Howard Chu
2019-04-23 20:32:27 +01:00
parent cb6f96b9d1
commit 81c2ad6d5b
24 changed files with 610 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/cryptonote_core/cryptonote_tx_utils.cpp
+52 -1
View File
@@ -37,6 +37,7 @@ using namespace epee;
#include "common/apply_permutation.h"
#include "cryptonote_tx_utils.h"
#include "cryptonote_config.h"
#include "blockchain.h"
#include "cryptonote_basic/miner.h"
#include "cryptonote_basic/tx_extra.h"
#include "crypto/crypto.h"
@@ -658,9 +659,59 @@ namespace cryptonote
bl.minor_version = CURRENT_BLOCK_MINOR_VERSION;
bl.timestamp = 0;
bl.nonce = nonce;
miner::find_nonce_for_given_block(bl, 1, 0);
miner::find_nonce_for_given_block(NULL, bl, 1, 0);
bl.invalidate_hashes();
return true;
}
//---------------------------------------------------------------
void get_altblock_longhash(const block& b, crypto::hash& res, const uint64_t main_height, const uint64_t height, const uint64_t seed_height, const crypto::hash& seed_hash)
{
blobdata bd = get_block_hashing_blob(b);
rx_slow_hash(main_height, seed_height, seed_hash.data, bd.data(), bd.size(), res.data, 0, 1);
}
bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const int miners)
{
// block 202612 bug workaround
if (height == 202612)
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
epee::string_tools::hex_to_pod(longhash_202612, res);
return true;
}
blobdata bd = get_block_hashing_blob(b);
if (b.major_version >= RX_BLOCK_VERSION)
{
uint64_t seed_height, main_height;
crypto::hash hash;
if (pbc != NULL)
{
seed_height = rx_seedheight(height);
hash = pbc->get_pending_block_id_by_height(seed_height);
main_height = pbc->get_current_blockchain_height();
} else
{
memset(&hash, 0, sizeof(hash)); // only happens when generating genesis block
seed_height = 0;
main_height = 0;
}
rx_slow_hash(main_height, seed_height, hash.data, bd.data(), bd.size(), res.data, miners, 0);
} else {
const int pow_variant = b.major_version >= 7 ? b.major_version - 6 : 0;
crypto::cn_slow_hash(bd.data(), bd.size(), res, pow_variant, height);
}
return true;
}
crypto::hash get_block_longhash(const Blockchain *pbc, const block& b, const uint64_t height, const int miners)
{
crypto::hash p = crypto::null_hash;
get_block_longhash(pbc, b, p, height, miners);
return p;
}
void get_block_longhash_reorg(const uint64_t split_height)
{
rx_reorg(split_height);
}
}