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Define a sietch header file and add --sietch-min-zouts CLI option

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This commit is contained in:
Duke Leto
2019-12-30 18:22:06 -05:00
parent d8ce153b7f
commit cb5fbb6139
2 changed files with 48 additions and 5 deletions
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19
src/wallet/rpcwallet.cpp
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@@ -1,6 +1,6 @@
// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Copyright (c) 2019 The Hush developers
// Copyright (c) 2019-2020 The Hush developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -62,6 +62,7 @@
#include "komodo_defs.h"
#include <string.h>
#include "sietch.h"
using namespace std;
@@ -4524,8 +4525,16 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
// SIETCH: Sprinkle our cave with some magic privacy zdust
// End goal is to have this be as large as possible without slowing xtns down too much
// A value of 7 will provide much stronger linkability privacy versus pre-Sietch operations
// We should also give RPC interface a way to specify MIN_ZOUTS
unsigned int MIN_ZOUTS=2;
unsigned int DEFAULT_MIN_ZOUTS=7;
unsigned int MAX_ZOUTS=25;
unsigned int MIN_ZOUTS=GetArg("--sietch-min-zouts", DEFAULT_MIN_ZOUTS);
if((MIN_ZOUTS<2) || (MIN_ZOUTS>MAX_ZOUTS)) {
fprintf(stderr,"%s: Sietch min zouts must be >=2 and <= 25, setting to default value of %d\n", __FUNCTION__, DEFAULT_MIN_ZOUTS );
MIN_ZOUTS=DEFAULT_MIN_ZOUTS;
}
while (zaddrRecipients.size() < MIN_ZOUTS) {
// OK, we identify this xtn as needing privacy zdust, we must decide how much, non-deterministically
int nAmount = 0;
@@ -4547,8 +4556,8 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
zaddrRecipients.push_back( SendManyRecipient(zdust1, nAmount, memo) );
fprintf(stderr,"%s: adding %s as zdust receiver\n", __FUNCTION__, zdust1.c_str());
// 25% chance of adding another zout
if (decider % 4 == 3) {
//50% chance of adding another zout
if (decider % 2) {
zdust2 = "zs1uchnxajsmn70gsptkthxcytqsr89rsle6rq66sp3gnn2cqdt8lpq97dv98plhv3vjmrp2zkr8da";
zaddrRecipients.push_back( SendManyRecipient(zdust2, nAmount, memo) );
fprintf(stderr,"%s: adding %s as zdust receiver\n", __FUNCTION__, zdust2.c_str());