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authorHoward Chu <hyc@symas.com>2021-11-19 23:22:43 +0000
committerHoward Chu <hyc@symas.com>2021-11-20 18:52:05 +0000
commit0221b015193bcfdf80a2f9c08440956dfb18aead (patch)
tree439b8efcbff6b3a3760806ff4e6c9347bb06125e
parentMerge pull request #8048 (diff)
downloadmonero-0221b015193bcfdf80a2f9c08440956dfb18aead.tar.xz
Add calcpow RPC
Calculate PoW hash for a block candidate
-rw-r--r--src/cryptonote_core/cryptonote_tx_utils.cpp13
-rw-r--r--src/cryptonote_core/cryptonote_tx_utils.h2
-rw-r--r--src/rpc/core_rpc_server.cpp37
-rw-r--r--src/rpc/core_rpc_server.h2
-rw-r--r--src/rpc/core_rpc_server_commands_defs.h24
5 files changed, 73 insertions, 5 deletions
diff --git a/src/cryptonote_core/cryptonote_tx_utils.cpp b/src/cryptonote_core/cryptonote_tx_utils.cpp
index f41c63a4b..f6061b803 100644
--- a/src/cryptonote_core/cryptonote_tx_utils.cpp
+++ b/src/cryptonote_core/cryptonote_tx_utils.cpp
@@ -678,7 +678,7 @@ namespace cryptonote
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 crypto::hash *seed_hash, const int miners)
+ bool get_block_longhash(const Blockchain *pbc, const blobdata& bd, crypto::hash& res, const uint64_t height, const int major_version, const crypto::hash *seed_hash, const int miners)
{
// block 202612 bug workaround
if (height == 202612)
@@ -687,8 +687,7 @@ namespace cryptonote
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)
+ if (major_version >= RX_BLOCK_VERSION)
{
uint64_t seed_height, main_height;
crypto::hash hash;
@@ -705,12 +704,18 @@ namespace cryptonote
}
rx_slow_hash(main_height, seed_height, hash.data, bd.data(), bd.size(), res.data, seed_hash ? 0 : miners, !!seed_hash);
} else {
- const int pow_variant = b.major_version >= 7 ? b.major_version - 6 : 0;
+ const int pow_variant = major_version >= 7 ? major_version - 6 : 0;
crypto::cn_slow_hash(bd.data(), bd.size(), res, pow_variant, height);
}
return true;
}
+ bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const crypto::hash *seed_hash, const int miners)
+ {
+ blobdata bd = get_block_hashing_blob(b);
+ return get_block_longhash(pbc, bd, res, height, b.major_version, seed_hash, miners);
+ }
+
bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const int miners)
{
return get_block_longhash(pbc, b, res, height, NULL, miners);
diff --git a/src/cryptonote_core/cryptonote_tx_utils.h b/src/cryptonote_core/cryptonote_tx_utils.h
index 06412d6bf..cea4aad17 100644
--- a/src/cryptonote_core/cryptonote_tx_utils.h
+++ b/src/cryptonote_core/cryptonote_tx_utils.h
@@ -142,6 +142,8 @@ namespace cryptonote
);
class Blockchain;
+ bool get_block_longhash(const Blockchain *pb, const blobdata& bd, crypto::hash& res, const uint64_t height,
+ const int major_version, const crypto::hash *seed_hash, const int miners);
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const int miners);
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const crypto::hash *seed_hash, const int miners);
void get_altblock_longhash(const block& b, crypto::hash& res, const uint64_t main_height, const uint64_t height,
diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index da36f3c64..28ea03d28 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -1912,6 +1912,43 @@ namespace cryptonote
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
+ bool core_rpc_server::on_calcpow(const COMMAND_RPC_CALCPOW::request& req, COMMAND_RPC_CALCPOW::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
+ {
+ RPC_TRACKER(calcpow);
+
+ blobdata blockblob;
+ if(!string_tools::parse_hexstr_to_binbuff(req.block_blob, blockblob))
+ {
+ error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB;
+ error_resp.message = "Wrong block blob";
+ return false;
+ }
+ if(!m_core.check_incoming_block_size(blockblob))
+ {
+ error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB_SIZE;
+ error_resp.message = "Block blob size is too big, rejecting block";
+ return false;
+ }
+ crypto::hash seed_hash, pow_hash;
+ std::string buf;
+ if(req.seed_hash.size())
+ {
+ if (!string_tools::parse_hexstr_to_binbuff(req.seed_hash, buf) ||
+ buf.size() != sizeof(crypto::hash))
+ {
+ error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
+ error_resp.message = "Wrong seed hash";
+ return false;
+ }
+ buf.copy(reinterpret_cast<char *>(&seed_hash), sizeof(crypto::hash));
+ }
+
+ cryptonote::get_block_longhash(&(m_core.get_blockchain_storage()), blockblob, pow_hash, req.height,
+ req.major_version, req.seed_hash.size() ? &seed_hash : NULL, 0);
+ res = string_tools::pod_to_hex(pow_hash);
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_add_aux_pow(const COMMAND_RPC_ADD_AUX_POW::request& req, COMMAND_RPC_ADD_AUX_POW::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
{
RPC_TRACKER(add_aux_pow);
diff --git a/src/rpc/core_rpc_server.h b/src/rpc/core_rpc_server.h
index 84b14383a..664af3686 100644
--- a/src/rpc/core_rpc_server.h
+++ b/src/rpc/core_rpc_server.h
@@ -149,6 +149,7 @@ namespace cryptonote
MAP_JON_RPC_WE("get_block_template", on_getblocktemplate, COMMAND_RPC_GETBLOCKTEMPLATE)
MAP_JON_RPC_WE("getblocktemplate", on_getblocktemplate, COMMAND_RPC_GETBLOCKTEMPLATE)
MAP_JON_RPC_WE("get_miner_data", on_getminerdata, COMMAND_RPC_GETMINERDATA)
+ MAP_JON_RPC_WE_IF("calc_pow", on_calcpow, COMMAND_RPC_CALCPOW, !m_restricted)
MAP_JON_RPC_WE("add_aux_pow", on_add_aux_pow, COMMAND_RPC_ADD_AUX_POW)
MAP_JON_RPC_WE("submit_block", on_submitblock, COMMAND_RPC_SUBMITBLOCK)
MAP_JON_RPC_WE("submitblock", on_submitblock, COMMAND_RPC_SUBMITBLOCK)
@@ -231,6 +232,7 @@ namespace cryptonote
bool on_getblockhash(const COMMAND_RPC_GETBLOCKHASH::request& req, COMMAND_RPC_GETBLOCKHASH::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
bool on_getblocktemplate(const COMMAND_RPC_GETBLOCKTEMPLATE::request& req, COMMAND_RPC_GETBLOCKTEMPLATE::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
bool on_getminerdata(const COMMAND_RPC_GETMINERDATA::request& req, COMMAND_RPC_GETMINERDATA::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
+ bool on_calcpow(const COMMAND_RPC_CALCPOW::request& req, COMMAND_RPC_CALCPOW::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
bool on_add_aux_pow(const COMMAND_RPC_ADD_AUX_POW::request& req, COMMAND_RPC_ADD_AUX_POW::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
bool on_submitblock(const COMMAND_RPC_SUBMITBLOCK::request& req, COMMAND_RPC_SUBMITBLOCK::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
bool on_generateblocks(const COMMAND_RPC_GENERATEBLOCKS::request& req, COMMAND_RPC_GENERATEBLOCKS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx = NULL);
diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h
index 1dbfc83a7..166fb39ea 100644
--- a/src/rpc/core_rpc_server_commands_defs.h
+++ b/src/rpc/core_rpc_server_commands_defs.h
@@ -88,7 +88,7 @@ namespace cryptonote
// advance which version they will stop working with
// Don't go over 32767 for any of these
#define CORE_RPC_VERSION_MAJOR 3
-#define CORE_RPC_VERSION_MINOR 8
+#define CORE_RPC_VERSION_MINOR 9
#define MAKE_CORE_RPC_VERSION(major,minor) (((major)<<16)|(minor))
#define CORE_RPC_VERSION MAKE_CORE_RPC_VERSION(CORE_RPC_VERSION_MAJOR, CORE_RPC_VERSION_MINOR)
@@ -990,6 +990,28 @@ namespace cryptonote
typedef epee::misc_utils::struct_init<response_t> response;
};
+ struct COMMAND_RPC_CALCPOW
+ {
+ struct request_t: public rpc_request_base
+ {
+ uint8_t major_version;
+ uint64_t height;
+ blobdata block_blob;
+ std::string seed_hash;
+
+ BEGIN_KV_SERIALIZE_MAP()
+ KV_SERIALIZE_PARENT(rpc_request_base)
+ KV_SERIALIZE(major_version)
+ KV_SERIALIZE(height)
+ KV_SERIALIZE(block_blob)
+ KV_SERIALIZE(seed_hash)
+ END_KV_SERIALIZE_MAP()
+ };
+ typedef epee::misc_utils::struct_init<request_t> request;
+
+ typedef std::string response;
+ };
+
struct COMMAND_RPC_ADD_AUX_POW
{
struct aux_pow_t