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

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This commit is contained in:
moneromooo-monero
2019-11-08 17:30:18 +00:00
parent c695470cff
commit 9d42649d58
10 changed files with 89 additions and 47 deletions
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26
src/rpc/core_rpc_server.cpp
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@@ -1642,7 +1642,7 @@ namespace cryptonote
bool core_rpc_server::get_block_template(const account_public_address &address, const crypto::hash *prev_block, const cryptonote::blobdata &extra_nonce, size_t &reserved_offset, cryptonote::difficulty_type &difficulty, uint64_t &height, uint64_t &expected_reward, block &b, uint64_t &seed_height, crypto::hash &seed_hash, crypto::hash &next_seed_hash, epee::json_rpc::error &error_resp)
{
b = boost::value_initialized<cryptonote::block>();
if(!m_core.get_block_template(b, prev_block, address, difficulty, height, expected_reward, extra_nonce))
if(!m_core.get_block_template(b, prev_block, address, difficulty, height, expected_reward, extra_nonce, seed_height, seed_hash))
{
error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
error_resp.message = "Internal error: failed to create block template";
@@ -1659,17 +1659,6 @@ namespace cryptonote
return false;
}
if (b.major_version >= RX_BLOCK_VERSION)
{
uint64_t next_height;
crypto::rx_seedheights(height, &seed_height, &next_height);
seed_hash = m_core.get_block_id_by_height(seed_height);
if (next_height != seed_height)
next_seed_hash = m_core.get_block_id_by_height(next_height);
else
next_seed_hash = seed_hash;
}
if (extra_nonce.empty())
{
reserved_offset = 0;
@@ -1897,9 +1886,16 @@ namespace cryptonote
return false;
}
b.nonce = req.starting_nonce;
miner::find_nonce_for_given_block([this](const cryptonote::block &b, uint64_t height, unsigned int threads, crypto::hash &hash) {
return cryptonote::get_block_longhash(&(m_core.get_blockchain_storage()), b, hash, height, threads);
}, b, template_res.difficulty, template_res.height);
crypto::hash seed_hash = crypto::null_hash;
if (b.major_version >= RX_BLOCK_VERSION && !epee::string_tools::hex_to_pod(template_res.seed_hash, seed_hash))
{
error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
error_resp.message = "Error converting seed hash";
return false;
}
miner::find_nonce_for_given_block([this](const cryptonote::block &b, uint64_t height, const crypto::hash *seed_hash, unsigned int threads, crypto::hash &hash) {
return cryptonote::get_block_longhash(&(m_core.get_blockchain_storage()), b, hash, height, seed_hash, threads);
}, b, template_res.difficulty, template_res.height, &seed_hash);
submit_req.front() = string_tools::buff_to_hex_nodelimer(block_to_blob(b));
r = on_submitblock(submit_req, submit_res, error_resp, ctx);