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rpc: get_block_template add optional extra_nonce

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Circumvents the need to create a new blockhashing blob when you already
know the data you want to set in the extra_nonce (so use this instead of
reserve_size).
This commit is contained in:
Jethro Grassie 2019-07-02 00:29:32 -04:00
parent 633f14b976
commit 6560bfa64c
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GPG key ID: DE8ED755616565BB
2 changed files with 27 additions and 1 deletions
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26
src/rpc/core_rpc_server.cpp
View file

@ -1216,6 +1216,20 @@ namespace cryptonote
return false;
}
if(req.reserve_size && !req.extra_nonce.empty())
{
error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
error_resp.message = "Cannot specify both a reserve_size and an extra_nonce";
return false;
}
if(req.extra_nonce.size() > 510)
{
error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_RESERVE_SIZE;
error_resp.message = "Too big extra_nonce size, maximum 510 hex chars";
return false;
}
cryptonote::address_parse_info info;
if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(info, nettype(), req.wallet_address))
@ -1233,7 +1247,17 @@ namespace cryptonote
block b;
cryptonote::blobdata blob_reserve;
blob_reserve.resize(req.reserve_size, 0);
if(!req.extra_nonce.empty())
{
if(!string_tools::parse_hexstr_to_binbuff(req.extra_nonce, blob_reserve))
{
error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
error_resp.message = "Parameter extra_nonce should be a hex string";
return false;
}
}
else
blob_reserve.resize(req.reserve_size, 0);
cryptonote::difficulty_type wdiff;
crypto::hash prev_block;
if (!req.prev_block.empty())

2
src/rpc/core_rpc_server_commands_defs.h
View file

@ -919,11 +919,13 @@ namespace cryptonote
uint64_t reserve_size; //max 255 bytes
std::string wallet_address;
std::string prev_block;
std::string extra_nonce;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(reserve_size)
KV_SERIALIZE(wallet_address)
KV_SERIALIZE(prev_block)
KV_SERIALIZE(extra_nonce)
END_KV_SERIALIZE_MAP()
};
typedef epee::misc_utils::struct_init<request_t> request;