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Load proving/verifying keys at startup from the public alpha parameters file.

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This commit is contained in:
Sean Bowe
2016-01-04 07:30:53 -07:00
parent f512cf7c7b
commit 4f1c37980e
5 changed files with 100 additions and 0 deletions
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43
src/init.cpp
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@@ -49,6 +49,8 @@
using namespace std;
libzerocash::ZerocashParams *pzerocashParams = NULL;
#ifdef ENABLE_WALLET
CWallet* pwalletMain = NULL;
#endif
@@ -591,6 +593,44 @@ bool InitSanityCheck(void)
return true;
}
static void ZC_LoadParams()
{
struct timeval tv_start, tv_end;
float elapsed;
boost::filesystem::path pk_path = ZC_GetParamsDir() / "zc-testnet-public-alpha-proving.key";
boost::filesystem::path vk_path = ZC_GetParamsDir() / "zc-testnet-public-alpha-verification.key";
LogPrintf("Loading proving key from %s\n", pk_path.string().c_str());
gettimeofday(&tv_start, 0);
libzerocash::ZerocashParams::zerocash_pp::init_public_params();
auto pk_loaded = libzerocash::ZerocashParams::LoadProvingKeyFromFile(
pk_path.string(),
INCREMENTAL_MERKLE_TREE_DEPTH
);
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 proving key in %fs seconds.\n", elapsed);
LogPrintf("Loading verification key from %s\n", vk_path.string().c_str());
gettimeofday(&tv_start, 0);
auto vk_loaded = libzerocash::ZerocashParams::LoadVerificationKeyFromFile(
vk_path.string(),
INCREMENTAL_MERKLE_TREE_DEPTH
);
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 verification key in %fs seconds.\n", elapsed);
pzerocashParams = new libzerocash::ZerocashParams(
INCREMENTAL_MERKLE_TREE_DEPTH,
&pk_loaded,
&vk_loaded
);
}
/** Initialize bitcoin.
* @pre Parameters should be parsed and config file should be read.
*/
@@ -1223,6 +1263,9 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
mempool.ReadFeeEstimates(est_filein);
fFeeEstimatesInitialized = true;
// ********************************************************* Step 7i: Load zcash params
ZC_LoadParams();
// ********************************************************* Step 8: load wallet
#ifdef ENABLE_WALLET
if (fDisableWallet) {