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Load Sapling testnet parameters into memory.

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This commit is contained in:
Sean Bowe
2018-04-17 14:44:53 -06:00
parent ec6021950d
commit acfcdb94b9
5 changed files with 97 additions and 6 deletions
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50
src/init.cpp
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@@ -66,6 +66,8 @@
#include "amqp/amqpnotificationinterface.h"
#endif
#include "librustzcash.h"
using namespace std;
extern void ThreadSendAlert();
@@ -677,15 +679,34 @@ bool InitSanityCheck(void)
}
static void ZC_LoadParams()
static void ZC_LoadParams(
const CChainParams& chainparams
)
{
struct timeval tv_start, tv_end;
float elapsed;
boost::filesystem::path pk_path = ZC_GetParamsDir() / "sprout-proving.key";
boost::filesystem::path vk_path = ZC_GetParamsDir() / "sprout-verifying.key";
boost::filesystem::path sapling_spend = ZC_GetParamsDir() / "sapling-spend-testnet.params";
boost::filesystem::path sapling_output = ZC_GetParamsDir() / "sapling-output-testnet.params";
boost::filesystem::path sprout_groth16 = ZC_GetParamsDir() / "sprout-groth16-testnet.params";
if (!(boost::filesystem::exists(pk_path) && boost::filesystem::exists(vk_path))) {
bool sapling_paths_valid = true;
// We don't load Sapling zk-SNARK params if mainnet is configured
if (chainparams.NetworkIDString() != "main") {
sapling_paths_valid =
boost::filesystem::exists(sapling_spend) &&
boost::filesystem::exists(sapling_output) &&
boost::filesystem::exists(sprout_groth16);
}
if (!(
boost::filesystem::exists(pk_path) &&
boost::filesystem::exists(vk_path) &&
sapling_paths_valid
)) {
uiInterface.ThreadSafeMessageBox(strprintf(
_("Cannot find the Zcash network parameters in the following directory:\n"
"%s\n"
@@ -704,6 +725,29 @@ static void ZC_LoadParams()
gettimeofday(&tv_end, 0);
elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
LogPrintf("Loaded verifying key in %fs seconds.\n", elapsed);
if (chainparams.NetworkIDString() != "main") {
std::string sapling_spend_str = sapling_spend.string();
std::string sapling_output_str = sapling_output.string();
std::string sprout_groth16_str = sprout_groth16.string();
LogPrintf("Loading Sapling (Spend) parameters from %s\n", sapling_spend_str.c_str());
LogPrintf("Loading Sapling (Output) parameters from %s\n", sapling_output_str.c_str());
LogPrintf("Loading Sapling (Sprout Groth16) parameters from %s\n", sprout_groth16_str.c_str());
gettimeofday(&tv_start, 0);
librustzcash_init_zksnark_params(
sapling_spend_str.c_str(),
sapling_output_str.c_str(),
sprout_groth16_str.c_str()
);
gettimeofday(&tv_end, 0);
elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
LogPrintf("Loaded Sapling parameters in %fs seconds.\n", elapsed);
} else {
LogPrintf("Not loading Sapling parameters in mainnet\n");
}
}
bool AppInitServers(boost::thread_group& threadGroup)
@@ -1167,7 +1211,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
libsnark::inhibit_profiling_counters = true;
// Initialize Zcash circuit parameters
ZC_LoadParams();
ZC_LoadParams(chainparams);
/* Start the RPC server already. It will be started in "warmup" mode
* and not really process calls already (but it will signify connections