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Verify file sizes of sapling params and try to support running inside a .dmg

dev-aarch64
Jonathan "Duke" Leto 5 years ago
parent
4d70123bf1
commit
3544f56d53
1 changed files with 69 additions and 31 deletions
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  1. 100
      src/init.cpp

100
src/init.cpp
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@ -776,14 +776,23 @@ bool InitSanityCheck(void)
void NoParamsShutdown(void)
{
//TODO: error message incorrect about location
fprintf(stderr,"%s: no params!\n", __FUNCTION__);
LogPrintf("Could not find Sapling params anywhere! Exiting...");
fprintf(stderr,"%s: no params!\n", __FUNCTION__);
LogPrintf("Could not find valid Sapling params anywhere! Exiting...");
uiInterface.ThreadSafeMessageBox(strprintf(
_("Cannot find the Sapling network parameters in the following directory:\n"
"%s\n"
"Please run join our Discord for help: https://myhush.org/discord/"),
ZC_GetParamsDir()),
_("Cannot find the Sapling network parameters! Something is very wrong.\n"
"Please join our Discord for help: https://myhush.org/discord/")),
"", CClientUIInterface::MSG_ERROR);
StartShutdown();
return;
}
void CorruptParamsShutdown(void)
{
fprintf(stderr,"%s: corrupt params!\n", __FUNCTION__);
LogPrintf("We detected corrupt Sapling params! Exiting...");
uiInterface.ThreadSafeMessageBox(strprintf(
_("Corrupt Sapling network parameters were detected! Something is very wrong.\n"
"Please join our Discord for help: https://myhush.org/discord/")),
"", CClientUIInterface::MSG_ERROR);
StartShutdown();
return;
@ -802,16 +811,19 @@ static void ZC_LoadParams(
float elapsed;
bool found = false;
// Some people have previous partial downloads of zcash params, so check that last
// Sapling Param Search path: . /usr/share/hush .. ../hush3 ~/.zcash-params
// Some people have previous partial downloads of zcash params, so check that last
// Sapling Param Search path: . /usr/share/hush .. ../hush3 ./Contents/MacOS/ ~/.zcash-params
LogPrintf("Looking for sapling params...");
gettimeofday(&tv_start, 0);
// PWD
boost::filesystem::path sapling_spend = "sapling-spend.params";
boost::filesystem::path sapling_output = "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in .\n");
boost::filesystem::path sapling_spend = "sapling-spend.params";
boost::filesystem::path sapling_output = "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in .\n");
found = true;
}
}
if (!found) {
// Debian global install dir: /usr/share/hush
@ -825,33 +837,43 @@ static void ZC_LoadParams(
if (!found) {
// Try ..
sapling_spend = boost::filesystem::path("..") / "sapling-spend.params";
sapling_spend = boost::filesystem::path("..") / "sapling-spend.params";
sapling_output = boost::filesystem::path("..") / "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in ..\n");
found = true;
}
}
}
if (!found) {
// This will catch the case of any external software (i.e. GUI wallets) needing params and installed in same dir as hush3.git
sapling_spend = boost::filesystem::path("..") / "hush3" / "sapling-spend.params";
sapling_spend = boost::filesystem::path("..") / "hush3" / "sapling-spend.params";
sapling_output = boost::filesystem::path("..") / "hush3" / "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in ../hush3\n");
found = true;
}
}
}
if (!found) {
// DMG Support: Apple just has to do things differently...
sapling_spend = boost::filesystem::path("Contents/MacOS") / "hush3" / "sapling-spend.params";
sapling_output = boost::filesystem::path("Contents/MacOS") / "hush3" / "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in ../Contents/MacOS\n");
found = true;
}
}
if (!found) {
// The traditional place Zcash params are stored, should not hit this case in normal circumstances,
// as Hush packages sapling params now
sapling_spend = ZC_GetParamsDir() / "sapling-spend.params";
sapling_spend = ZC_GetParamsDir() / "sapling-spend.params";
sapling_output = ZC_GetParamsDir() / "sapling-output.params";
if (files_exist(sapling_spend, sapling_output)) {
if (files_exist(sapling_spend, sapling_output)) {
fprintf(stderr,"Found sapling params in ~/.zcash\n");
found = true;
}
}
}
if (!found) {
@ -860,20 +882,36 @@ static void ZC_LoadParams(
return;
}
boost::system::error_code ec1, ec2;
boost::uintmax_t spend_size = file_size(sapling_spend, ec1);
boost::uintmax_t output_size = file_size(sapling_output, ec2);
fprintf(stderr,"Sapling spend: %d bytes, output: %d bytes\n", spend_size, output_size);
// We could check sha hashes, but we mostly want to detect on-disk file corruption
// or people having a full harddrive. Full validation happens in librustzcash_init_zksnark_params
// This prevents users seeing very low-level errors from that routine
boost::uintmax_t spend_valid = 47958396;
boost::uintmax_t output_valid = 3592860;
//TODO: passing the exact reason for corruption to GUI
if (spend_size != spend_valid) {
fprintf(stderr,"Sapling spend %d bytes != %d is invalid!\n", spend_size, spend_valid);
CorruptParamsShutdown();
return;
}
//LogPrintf("Loading verifying key from %s\n", vk_path.string().c_str());
gettimeofday(&tv_start, 0);
//pzcashParams = ZCJoinSplit::Prepared(vk_path.string(), pk_path.string());
if (output_size != output_valid) {
fprintf(stderr,"Sapling ouput %d bytes != %d is invalid!\n", output_size, output_valid);
CorruptParamsShutdown();
return;
}
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);
LogPrintf("Found sapling param in %fs seconds.\n", elapsed);
static_assert( sizeof(boost::filesystem::path::value_type) == sizeof(codeunit), "librustzcash not configured correctly");
auto sapling_spend_str = sapling_spend.native();
auto sapling_spend_str = sapling_spend.native();
auto sapling_output_str = sapling_output.native();
LogPrintf("Loading Sapling (Spend) parameters from %s\n", sapling_spend.string().c_str());
@ -887,7 +925,7 @@ static void ZC_LoadParams(
reinterpret_cast<const codeunit*>(sapling_output_str.c_str()),
sapling_output_str.length(),
"657e3d38dbb5cb5e7dd2970e8b03d69b4787dd907285b5a7f0790dcc8072f60bf593b32cc2d1c030e00ff5ae64bf84c5c3beb84ddc841d48264b4a171744d028",
// These are dummy arguments, ignored by Hush-flavored librustzcash
// These are dummy arguments, ignored by Hush-flavored librustzcash
reinterpret_cast<const codeunit*>(sapling_output_str.c_str()),
sapling_output_str.length(),
"657e3d38dbb5cb5e7dd2970e8b03d69b4787dd907285b5a7f0790dcc8072f60bf593b32cc2d1c030e00ff5ae64bf84c5c3beb84ddc841d48264b4a171744d028"

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