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core: fix mining from a block that's not the current top

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moneromooo-monero 2019-11-08 17:30:18 +00:00
parent c695470cff
commit 9d42649d58
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GPG key ID: 686F07454D6CEFC3
10 changed files with 89 additions and 47 deletions
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10
src/cryptonote_basic/miner.cpp
View file

@ -169,7 +169,9 @@ namespace cryptonote
extra_nonce = m_extra_messages[m_config.current_extra_message_index];
}
if(!m_phandler->get_block_template(bl, m_mine_address, di, height, expected_reward, extra_nonce))
uint64_t seed_height;
crypto::hash seed_hash;
if(!m_phandler->get_block_template(bl, m_mine_address, di, height, expected_reward, extra_nonce, seed_height, seed_hash))
{
LOG_ERROR("Failed to get_block_template(), stopping mining");
return false;
@ -471,12 +473,12 @@ namespace cryptonote
return true;
}
//-----------------------------------------------------------------------------------------------------
bool miner::find_nonce_for_given_block(const get_block_hash_t &gbh, block& bl, const difficulty_type& diffic, uint64_t height)
bool miner::find_nonce_for_given_block(const get_block_hash_t &gbh, block& bl, const difficulty_type& diffic, uint64_t height, const crypto::hash *seed_hash)
{
for(; bl.nonce != std::numeric_limits<uint32_t>::max(); bl.nonce++)
{
crypto::hash h;
gbh(bl, height, diffic <= 100 ? 0 : tools::get_max_concurrency(), h);
gbh(bl, height, seed_hash, diffic <= 100 ? 0 : tools::get_max_concurrency(), h);
if(check_hash(h, diffic))
{
@ -572,7 +574,7 @@ namespace cryptonote
b.nonce = nonce;
crypto::hash h;
m_gbh(b, height, tools::get_max_concurrency(), h);
m_gbh(b, height, NULL, tools::get_max_concurrency(), h);
if(check_hash(h, local_diff))
{

6
src/cryptonote_basic/miner.h
View file

@ -47,12 +47,12 @@ namespace cryptonote
struct i_miner_handler
{
virtual bool handle_block_found(block& b, block_verification_context &bvc) = 0;
virtual bool get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce) = 0;
virtual bool get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce, uint64_t &seed_height, crypto::hash &seed_hash) = 0;
protected:
~i_miner_handler(){};
};
typedef std::function<bool(const cryptonote::block&, uint64_t, unsigned int, crypto::hash&)> get_block_hash_t;
typedef std::function<bool(const cryptonote::block&, uint64_t, const crypto::hash*, unsigned int, crypto::hash&)> get_block_hash_t;
/************************************************************************/
/* */
@ -76,7 +76,7 @@ namespace cryptonote
bool on_idle();
void on_synchronized();
//synchronous analog (for fast calls)
static bool find_nonce_for_given_block(const get_block_hash_t &gbh, block& bl, const difficulty_type& diffic, uint64_t height);
static bool find_nonce_for_given_block(const get_block_hash_t &gbh, block& bl, const difficulty_type& diffic, uint64_t height, const crypto::hash *seed_hash = NULL);
void pause();
void resume();
void do_print_hashrate(bool do_hr);