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Use dynamically generated zaddrs in sietch, which are not stored in wallet.dat

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This commit is contained in:
Duke Leto
2020-01-07 12:28:57 -05:00
parent c58fef0d01
commit 89532c4d7b
2 changed files with 17 additions and 223 deletions
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15
src/wallet/rpcwallet.cpp
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@@ -4565,30 +4565,29 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
// OK, we identify this xtn as needing privacy zdust, we must decide how much, non-deterministically
int nAmount = 0;
int decider = 1 + GetRandInt(100); // random int between 1 and 100
string memo = "f600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000";
string zdust1, zdust2;
// Which zaddr we send to is non-deterministically chosen from two zpools...
zdust1 = randomSietchZaddr();
// Which zaddr we send to is dynamically generated
zdust1 = newSietchZaddr();
// And their ordering when given to internals is also non-deterministic, which
// helps breaks assumptions blockchain analysts may use from z_sendmany internals
if (decider % 2) {
zaddrRecipients.insert(std::begin(zaddrRecipients), SendManyRecipient(zdust1, nAmount, memo) );
zaddrRecipients.insert(std::begin(zaddrRecipients), newSietchRecipient(zdust1) );
} else {
zaddrRecipients.push_back( SendManyRecipient(zdust1, nAmount, memo) );
zaddrRecipients.push_back( newSietchRecipient(zdust1) );
}
if(fZdebug)
fprintf(stderr,"%s: adding %s as zdust receiver\n", __FUNCTION__, zdust1.c_str());
//50% chance of adding another zout
if (decider % 2) {
zdust2 = randomSietchZaddr();
zdust2 = newSietchZaddr();
if(decider % 4 == 3) {
zaddrRecipients.push_back( SendManyRecipient(zdust2, nAmount, memo) );
zaddrRecipients.push_back( newSietchRecipient(zdust2) );
} else {
zaddrRecipients.insert(std::begin(zaddrRecipients), SendManyRecipient(zdust2, nAmount, memo) );
zaddrRecipients.insert(std::begin(zaddrRecipients), newSietchRecipient(zdust2) );
}
if(fZdebug)
fprintf(stderr,"%s: adding %s as zdust receiver\n", __FUNCTION__, zdust2.c_str());