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Untested sapling consolidation plus sietch outputs to reduce metadata leakage

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This commit is contained in:
Duke Leto
2020-03-04 09:17:05 -05:00
parent 21ec2e7260
commit dc7525f12e
4 changed files with 26 additions and 4 deletions
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25
src/wallet/asyncrpcoperation_saplingconsolidation.cpp
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@@ -1,3 +1,8 @@
// Copyright (c) 2020 The Hush developers
// TODO: Forge should add his preferred copyright line here
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "assert.h"
#include "boost/variant/static_visitor.hpp"
#include "asyncrpcoperation_saplingconsolidation.h"
@@ -11,11 +16,13 @@
#include "util.h"
#include "utilmoneystr.h"
#include "wallet.h"
//#include "sietch.h"
CAmount fConsolidationTxFee = DEFAULT_CONSOLIDATION_FEE;
bool fConsolidationMapUsed = false;
const int CONSOLIDATION_EXPIRY_DELTA = 15;
extern string randomSietchZaddr();
AsyncRPCOperation_saplingconsolidation::AsyncRPCOperation_saplingconsolidation(int targetHeight) : targetHeight_(targetHeight) {}
@@ -168,10 +175,22 @@ bool AsyncRPCOperation_saplingconsolidation::main_impl() {
builder.SetFee(fConsolidationTxFee);
//TODO: we want at least 2 zouts and potentially Sietch
// We could split funds into 2 parts and send as 2 zouts
// or add amount=0 sietch zaddrs
// Add the actual consolidation tx
builder.AddSaplingOutput(extsk.expsk.ovk, addr, amountToSend - fConsolidationTxFee);
// Add sietch zouts
int MIN_ZOUTS = 7;
for(size_t i = 0; i < MIN_ZOUTS; i++) {
// In Privacy Zdust We Trust -- Duke
string zdust = randomSietchZaddr();
LogPrint("zrpcunsafe", "%s: Adding sietch output", getId(), zdust);
auto zaddr = DecodePaymentAddress(zdust);
if (IsValidPaymentAddress(zaddr)) {
auto sietchZoutput = boost::get<libzcash::SaplingPaymentAddress>(zaddr);
int amount=0;
builder.AddSaplingOutput(extsk.expsk.ovk, sietchZoutput, amount);
}
}
//CTransaction tx = builder.Build();
auto maybe_tx = builder.Build();