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Do extra work to find sapling params in various locations

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This commit is contained in:
Jonathan "Duke" Leto
2019-08-07 11:20:39 -07:00
parent 3d9af312e8
commit 8b378455ce
1 changed files with 41 additions and 12 deletions
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53
src/init.cpp
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@@ -743,6 +743,19 @@ bool InitSanityCheck(void)
return true;
}
void NoParamsShutdown(void)
{
//TODO: error message incorrect about location
LogPrintf("Could not find Sapling params anywhere! Exiting...");
uiInterface.ThreadSafeMessageBox(strprintf(
_("Cannot find the Sapling network parameters in the following directory:\n"
"%s\n"
"Please run 'zcash-fetch-params' or './zcutil/fetch-params.sh' and then restart."),
ZC_GetParamsDir()),
"", CClientUIInterface::MSG_ERROR);
StartShutdown();
return;
}
static void ZC_LoadParams(
const CChainParams& chainparams
@@ -751,21 +764,37 @@ static void ZC_LoadParams(
struct timeval tv_start, tv_end;
float elapsed;
// First check the global installation location
boost::filesystem::path sapling_spend = ZC_GetParamsDir() / "sapling-spend.params";
boost::filesystem::path sapling_output = ZC_GetParamsDir() / "sapling-output.params";
if (!(
boost::filesystem::exists(sapling_spend) &&
boost::filesystem::exists(sapling_output)
)) {
uiInterface.ThreadSafeMessageBox(strprintf(
_("Cannot find the Zcash network parameters in the following directory:\n"
"%s\n"
"Please run 'zcash-fetch-params' or './zcutil/fetch-params.sh' and then restart."),
ZC_GetParamsDir()),
"", CClientUIInterface::MSG_ERROR);
StartShutdown();
return;
// NOTE: This means that sapling params do not need to be installed, just findable
if (!( boost::filesystem::exists(sapling_spend) && boost::filesystem::exists(sapling_output))) {
// Not globally installed, use local copies if they exist
// First check ., then .., then ../hush3
sapling_spend = "sapling-spend.params";
sapling_output = "sapling-output.params";
// This is the most common case, for binaries distributed with params
if (!( boost::filesystem::exists(sapling_spend) && boost::filesystem::exists(sapling_output))) {
// Not in PWD, try ..
sapling_spend = boost::filesystem::path("..") / "sapling-spend.params";
sapling_output = boost::filesystem::path("..") / "sapling-output.params";
// Try .. in case this binary has no params
if (!( boost::filesystem::exists(sapling_spend) && boost::filesystem::exists(sapling_output))) {
// Not in .., try ../hush3 (the case of SilentDragon installed in same directory as hush3)
sapling_spend = boost::filesystem::path("..") / "hush3" / "sapling-spend.params";
sapling_output = boost::filesystem::path("..") / "hush3" / "sapling-output.params";
// This will catch the case of any external software (i.e. GUI wallets) needing params and installed in same dir as hush3.git
if (!( boost::filesystem::exists(sapling_spend) && boost::filesystem::exists(sapling_output))) {
// No Sapling params, at least we tried
NoParamsShutdown();
return;
}
}
}
}
//LogPrintf("Loading verifying key from %s\n", vk_path.string().c_str());