Merge remote-tracking branch 'zcash/master' into rebase2

# Conflicts:
#	.travis.yml
#	Makefile.am
#	README.md
#	configure.ac
#	depends/Makefile
#	depends/builders/darwin.mk
#	depends/funcs.mk
#	depends/hosts/darwin.mk
#	depends/packages/googlemock.mk
#	depends/packages/googletest.mk
#	depends/packages/libsnark.mk
#	depends/packages/libsodium.mk
#	depends/packages/packages.mk
#	depends/packages/rust.mk
#	src/Makefile.am
#	src/Makefile.gtest.include
#	src/chainparams.cpp
#	src/chainparams.h
#	src/checkpoints.h
#	src/clientversion.h
#	src/coins.cpp
#	src/consensus/consensus.h
#	src/gtest/test_mempool.cpp
#	src/httprpc.cpp
#	src/init.cpp
#	src/komodo-tx.cpp
#	src/main.cpp
#	src/miner.cpp
#	src/policy/fees.cpp
#	src/policy/fees.h
#	src/rpcmining.cpp
#	src/rpcrawtransaction.cpp
#	src/rpcserver.cpp
#	src/test/policyestimator_tests.cpp
#	src/test/rpc_wallet_tests.cpp
#	src/test/transaction_tests.cpp
#	src/txdb.cpp
#	src/txmempool.cpp
#	src/wallet/asyncrpcoperation_sendmany.cpp
#	src/wallet/rpcwallet.cpp
#	src/wallet/wallet.cpp
#	src/wallet/wallet.h
#	src/zcash/CreateJoinSplit.cpp
#	zcutil/build.sh
This commit is contained in:
jl777
2018-03-25 18:44:38 +03:00
603 changed files with 55577 additions and 9837 deletions

View File

@@ -5,6 +5,7 @@
#include "asyncrpcoperation_sendmany.h"
#include "asyncrpcqueue.h"
#include "amount.h"
#include "consensus/upgrades.h"
#include "core_io.h"
#include "init.h"
#include "main.h"
@@ -30,6 +31,8 @@
#include <thread>
#include <string>
#include "paymentdisclosuredb.h"
using namespace libzcash;
int find_output(UniValue obj, int n) {
@@ -50,13 +53,14 @@ int find_output(UniValue obj, int n) {
}
AsyncRPCOperation_sendmany::AsyncRPCOperation_sendmany(
CMutableTransaction contextualTx,
std::string fromAddress,
std::vector<SendManyRecipient> tOutputs,
std::vector<SendManyRecipient> zOutputs,
int minDepth,
CAmount fee,
UniValue contextInfo) :
fromaddress_(fromAddress), t_outputs_(tOutputs), z_outputs_(zOutputs), mindepth_(minDepth), fee_(fee), contextinfo_(contextInfo)
tx_(contextualTx), fromaddress_(fromAddress), t_outputs_(tOutputs), z_outputs_(zOutputs), mindepth_(minDepth), fee_(fee), contextinfo_(contextInfo)
{
assert(fee_ >= 0);
@@ -95,12 +99,20 @@ AsyncRPCOperation_sendmany::AsyncRPCOperation_sendmany(
}
}
if (isfromzaddr_ && minDepth==0) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Minconf cannot be zero when sending from zaddr");
}
// Log the context info i.e. the call parameters to z_sendmany
if (LogAcceptCategory("zrpcunsafe")) {
LogPrint("zrpcunsafe", "%s: z_sendmany initialized (params=%s)\n", getId(), contextInfo.write());
} else {
LogPrint("zrpc", "%s: z_sendmany initialized\n", getId());
}
// Enable payment disclosure if requested
paymentDisclosureMode = fExperimentalMode && GetBoolArg("-paymentdisclosure", false);
}
AsyncRPCOperation_sendmany::~AsyncRPCOperation_sendmany() {
@@ -167,6 +179,21 @@ void AsyncRPCOperation_sendmany::main() {
s += strprintf(", error=%s)\n", getErrorMessage());
}
LogPrintf("%s",s);
// !!! Payment disclosure START
if (success && paymentDisclosureMode && paymentDisclosureData_.size()>0) {
uint256 txidhash = tx_.GetHash();
std::shared_ptr<PaymentDisclosureDB> db = PaymentDisclosureDB::sharedInstance();
for (PaymentDisclosureKeyInfo p : paymentDisclosureData_) {
p.first.hash = txidhash;
if (!db->Put(p.first, p.second)) {
LogPrint("paymentdisclosure", "%s: Payment Disclosure: Error writing entry to database for key %s\n", getId(), p.first.ToString());
} else {
LogPrint("paymentdisclosure", "%s: Payment Disclosure: Successfully added entry to database for key %s\n", getId(), p.first.ToString());
}
}
}
// !!! Payment disclosure END
}
// Notes:
@@ -283,6 +310,15 @@ bool AsyncRPCOperation_sendmany::main_impl() {
t_inputs_ = selectedTInputs;
t_inputs_total = selectedUTXOAmount;
// Check mempooltxinputlimit to avoid creating a transaction which the local mempool rejects
size_t limit = (size_t)GetArg("-mempooltxinputlimit", 0);
if (limit > 0) {
size_t n = t_inputs_.size();
if (n > limit) {
throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Too many transparent inputs %zu > limit %zu", n, limit));
}
}
// update the transaction with these inputs
CMutableTransaction rawTx(tx_);
for (SendManyInputUTXO & t : t_inputs_) {
@@ -304,6 +340,12 @@ bool AsyncRPCOperation_sendmany::main_impl() {
LogPrint("zrpcunsafe", "%s: private output: %s\n", getId(), FormatMoney(z_outputs_total));
LogPrint("zrpc", "%s: fee: %s\n", getId(), FormatMoney(minersFee));
// Grab the current consensus branch ID
{
LOCK(cs_main);
consensusBranchId_ = CurrentEpochBranchId(chainActive.Height() + 1, Params().GetConsensus());
}
/**
* SCENARIO #1
*
@@ -339,16 +381,20 @@ bool AsyncRPCOperation_sendmany::main_impl() {
// Prepare raw transaction to handle JoinSplits
CMutableTransaction mtx(tx_);
mtx.nVersion = 2;
crypto_sign_keypair(joinSplitPubKey_.begin(), joinSplitPrivKey_);
mtx.joinSplitPubKey = joinSplitPubKey_;
mtx.nLockTime = (uint32_t)time(NULL) - 60; // jl777
tx_ = CTransaction(mtx);
// Copy zinputs and zoutputs to more flexible containers
std::deque<SendManyInputJSOP> zInputsDeque;
std::deque<SendManyInputJSOP> zInputsDeque; // zInputsDeque stores minimum numbers of notes for target amount
CAmount tmp = 0;
for (auto o : z_inputs_) {
zInputsDeque.push_back(o);
tmp += std::get<2>(o);
if (tmp >= targetAmount) {
break;
}
}
std::deque<SendManyRecipient> zOutputsDeque;
for (auto o : z_outputs_) {
@@ -446,283 +492,220 @@ bool AsyncRPCOperation_sendmany::main_impl() {
* zaddr -> taddrs
* -> zaddrs
*
* Processing order:
* Part 1: taddrs and miners fee
* Part 2: zaddrs
*/
/**
* SCENARIO #3
* Part 1: Add to the transparent value pool.
* Send to zaddrs by chaining JoinSplits together and immediately consuming any change
* Send to taddrs by creating dummy z outputs and accumulating value in a change note
* which is used to set vpub_new in the last chained joinsplit.
*/
UniValue obj(UniValue::VOBJ);
CAmount jsChange = 0; // this is updated after each joinsplit
int changeOutputIndex = -1; // this is updated after each joinsplit if jsChange > 0
bool minersFeeProcessed = false;
bool vpubNewProcessed = false; // updated when vpub_new for miner fee and taddr outputs is set in last joinsplit
CAmount vpubNewTarget = minersFee;
if (t_outputs_total > 0) {
add_taddr_outputs_to_tx();
CAmount taddrTargetAmount = t_outputs_total + minersFee;
minersFeeProcessed = true;
while (zInputsDeque.size() > 0 && taddrTargetAmount > 0) {
AsyncJoinSplitInfo info;
info.vpub_old = 0;
info.vpub_new = 0;
std::vector<JSOutPoint> outPoints;
int n = 0;
while (n++ < ZC_NUM_JS_INPUTS && taddrTargetAmount > 0) {
SendManyInputJSOP o = zInputsDeque.front();
JSOutPoint outPoint = std::get<0>(o);
Note note = std::get<1>(o);
CAmount noteFunds = std::get<2>(o);
zInputsDeque.pop_front();
info.notes.push_back(note);
outPoints.push_back(outPoint);
int wtxHeight = -1;
int wtxDepth = -1;
{
LOCK2(cs_main, pwalletMain->cs_wallet);
const CWalletTx& wtx = pwalletMain->mapWallet[outPoint.hash];
wtxHeight = mapBlockIndex[wtx.hashBlock]->nHeight;
wtxDepth = wtx.GetDepthInMainChain();
}
LogPrint("zrpcunsafe", "%s: spending note (txid=%s, vjoinsplit=%d, ciphertext=%d, amount=%s, height=%d, confirmations=%d)\n",
getId(),
outPoint.hash.ToString().substr(0, 10),
outPoint.js,
int(outPoint.n), // uint8_t
FormatMoney(noteFunds),
wtxHeight,
wtxDepth
);
// Put value back into the value pool
if (noteFunds >= taddrTargetAmount) {
jsChange = noteFunds - taddrTargetAmount;
info.vpub_new += taddrTargetAmount;
} else {
info.vpub_new += noteFunds;
}
taddrTargetAmount -= noteFunds;
if (taddrTargetAmount <= 0) {
break;
}
}
if (jsChange > 0) {
info.vjsout.push_back(JSOutput());
info.vjsout.push_back(JSOutput(frompaymentaddress_, jsChange));
LogPrint("zrpcunsafe", "%s: generating note for change (amount=%s)\n",
getId(),
FormatMoney(jsChange)
);
}
obj = perform_joinsplit(info, outPoints);
if (jsChange > 0) {
changeOutputIndex = find_output(obj, 1);
}
}
vpubNewTarget += t_outputs_total;
}
// Keep track of treestate within this transaction
boost::unordered_map<uint256, ZCIncrementalMerkleTree, CCoinsKeyHasher> intermediates;
std::vector<uint256> previousCommitments;
/**
* SCENARIO #3
* Part 2: Send to zaddrs by chaining JoinSplits together and immediately consuming any change
*/
if (z_outputs_total>0) {
while (!vpubNewProcessed) {
AsyncJoinSplitInfo info;
info.vpub_old = 0;
info.vpub_new = 0;
// Keep track of treestate within this transaction
boost::unordered_map<uint256, ZCIncrementalMerkleTree, CCoinsKeyHasher> intermediates;
std::vector<uint256> previousCommitments;
CAmount jsInputValue = 0;
uint256 jsAnchor;
std::vector<boost::optional<ZCIncrementalWitness>> witnesses;
while (zOutputsDeque.size() > 0) {
AsyncJoinSplitInfo info;
info.vpub_old = 0;
info.vpub_new = 0;
JSDescription prevJoinSplit;
CAmount jsInputValue = 0;
uint256 jsAnchor;
std::vector<boost::optional<ZCIncrementalWitness>> witnesses;
// Keep track of previous JoinSplit and its commitments
if (tx_.vjoinsplit.size() > 0) {
prevJoinSplit = tx_.vjoinsplit.back();
}
JSDescription prevJoinSplit;
// If there is no change, the chain has terminated so we can reset the tracked treestate.
if (jsChange==0 && tx_.vjoinsplit.size() > 0) {
intermediates.clear();
previousCommitments.clear();
}
// Keep track of previous JoinSplit and its commitments
if (tx_.vjoinsplit.size() > 0) {
prevJoinSplit = tx_.vjoinsplit.back();
//
// Consume change as the first input of the JoinSplit.
//
if (jsChange > 0) {
LOCK2(cs_main, pwalletMain->cs_wallet);
// Update tree state with previous joinsplit
ZCIncrementalMerkleTree tree;
auto it = intermediates.find(prevJoinSplit.anchor);
if (it != intermediates.end()) {
tree = it->second;
} else if (!pcoinsTip->GetAnchorAt(prevJoinSplit.anchor, tree)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not find previous JoinSplit anchor");
}
// If there is no change, the chain has terminated so we can reset the tracked treestate.
if (jsChange==0 && tx_.vjoinsplit.size() > 0) {
intermediates.clear();
previousCommitments.clear();
assert(changeOutputIndex != -1);
boost::optional<ZCIncrementalWitness> changeWitness;
int n = 0;
for (const uint256& commitment : prevJoinSplit.commitments) {
tree.append(commitment);
previousCommitments.push_back(commitment);
if (!changeWitness && changeOutputIndex == n++) {
changeWitness = tree.witness();
} else if (changeWitness) {
changeWitness.get().append(commitment);
}
}
if (changeWitness) {
witnesses.push_back(changeWitness);
}
jsAnchor = tree.root();
intermediates.insert(std::make_pair(tree.root(), tree)); // chained js are interstitial (found in between block boundaries)
// Decrypt the change note's ciphertext to retrieve some data we need
ZCNoteDecryption decryptor(spendingkey_.receiving_key());
auto hSig = prevJoinSplit.h_sig(*pzcashParams, tx_.joinSplitPubKey);
try {
NotePlaintext plaintext = NotePlaintext::decrypt(
decryptor,
prevJoinSplit.ciphertexts[changeOutputIndex],
prevJoinSplit.ephemeralKey,
hSig,
(unsigned char) changeOutputIndex);
Note note = plaintext.note(frompaymentaddress_);
info.notes.push_back(note);
jsInputValue += plaintext.value;
LogPrint("zrpcunsafe", "%s: spending change (amount=%s)\n",
getId(),
FormatMoney(plaintext.value)
);
} catch (const std::exception& e) {
throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Error decrypting output note of previous JoinSplit: %s", e.what()));
}
}
//
// Consume spendable non-change notes
//
std::vector<Note> vInputNotes;
std::vector<JSOutPoint> vOutPoints;
std::vector<boost::optional<ZCIncrementalWitness>> vInputWitnesses;
uint256 inputAnchor;
int numInputsNeeded = (jsChange>0) ? 1 : 0;
while (numInputsNeeded++ < ZC_NUM_JS_INPUTS && zInputsDeque.size() > 0) {
SendManyInputJSOP t = zInputsDeque.front();
JSOutPoint jso = std::get<0>(t);
Note note = std::get<1>(t);
CAmount noteFunds = std::get<2>(t);
zInputsDeque.pop_front();
WitnessAnchorData wad = jsopWitnessAnchorMap[ jso.ToString() ];
vInputWitnesses.push_back(wad.witness);
if (inputAnchor.IsNull()) {
inputAnchor = wad.anchor;
} else if (inputAnchor != wad.anchor) {
throw JSONRPCError(RPC_WALLET_ERROR, "Selected input notes do not share the same anchor");
}
//
// Consume change as the first input of the JoinSplit.
//
if (jsChange > 0) {
vOutPoints.push_back(jso);
vInputNotes.push_back(note);
jsInputValue += noteFunds;
int wtxHeight = -1;
int wtxDepth = -1;
{
LOCK2(cs_main, pwalletMain->cs_wallet);
// Update tree state with previous joinsplit
ZCIncrementalMerkleTree tree;
auto it = intermediates.find(prevJoinSplit.anchor);
if (it != intermediates.end()) {
tree = it->second;
} else if (!pcoinsTip->GetAnchorAt(prevJoinSplit.anchor, tree)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not find previous JoinSplit anchor");
const CWalletTx& wtx = pwalletMain->mapWallet[jso.hash];
// Zero-confirmation notes belong to transactions which have not yet been mined
if (mapBlockIndex.find(wtx.hashBlock) == mapBlockIndex.end()) {
throw JSONRPCError(RPC_WALLET_ERROR, strprintf("mapBlockIndex does not contain block hash %s", wtx.hashBlock.ToString()));
}
wtxHeight = mapBlockIndex[wtx.hashBlock]->nHeight;
wtxDepth = wtx.GetDepthInMainChain();
}
LogPrint("zrpcunsafe", "%s: spending note (txid=%s, vjoinsplit=%d, ciphertext=%d, amount=%s, height=%d, confirmations=%d)\n",
getId(),
jso.hash.ToString().substr(0, 10),
jso.js,
int(jso.n), // uint8_t
FormatMoney(noteFunds),
wtxHeight,
wtxDepth
);
}
// Add history of previous commitments to witness
if (vInputNotes.size() > 0) {
assert(changeOutputIndex != -1);
boost::optional<ZCIncrementalWitness> changeWitness;
int n = 0;
for (const uint256& commitment : prevJoinSplit.commitments) {
tree.append(commitment);
previousCommitments.push_back(commitment);
if (!changeWitness && changeOutputIndex == n++) {
changeWitness = tree.witness();
} else if (changeWitness) {
changeWitness.get().append(commitment);
if (vInputWitnesses.size()==0) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not find witness for note commitment");
}
for (auto & optionalWitness : vInputWitnesses) {
if (!optionalWitness) {
throw JSONRPCError(RPC_WALLET_ERROR, "Witness for note commitment is null");
}
ZCIncrementalWitness w = *optionalWitness; // could use .get();
if (jsChange > 0) {
for (const uint256& commitment : previousCommitments) {
w.append(commitment);
}
if (jsAnchor != w.root()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Witness for spendable note does not have same anchor as change input");
}
}
if (changeWitness) {
witnesses.push_back(changeWitness);
}
jsAnchor = tree.root();
intermediates.insert(std::make_pair(tree.root(), tree)); // chained js are interstitial (found in between block boundaries)
// Decrypt the change note's ciphertext to retrieve some data we need
ZCNoteDecryption decryptor(spendingkey_.viewing_key());
auto hSig = prevJoinSplit.h_sig(*pzcashParams, tx_.joinSplitPubKey);
try {
NotePlaintext plaintext = NotePlaintext::decrypt(
decryptor,
prevJoinSplit.ciphertexts[changeOutputIndex],
prevJoinSplit.ephemeralKey,
hSig,
(unsigned char) changeOutputIndex);
Note note = plaintext.note(frompaymentaddress_);
info.notes.push_back(note);
jsInputValue += plaintext.value;
LogPrint("zrpcunsafe", "%s: spending change (amount=%s)\n",
getId(),
FormatMoney(plaintext.value)
);
} catch (const std::exception& e) {
throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Error decrypting output note of previous JoinSplit: %s", e.what()));
}
witnesses.push_back(w);
}
//
// Consume spendable non-change notes
//
std::vector<Note> vInputNotes;
std::vector<JSOutPoint> vOutPoints;
std::vector<boost::optional<ZCIncrementalWitness>> vInputWitnesses;
uint256 inputAnchor;
int numInputsNeeded = (jsChange>0) ? 1 : 0;
while (numInputsNeeded++ < ZC_NUM_JS_INPUTS && zInputsDeque.size() > 0) {
SendManyInputJSOP t = zInputsDeque.front();
JSOutPoint jso = std::get<0>(t);
Note note = std::get<1>(t);
CAmount noteFunds = std::get<2>(t);
zInputsDeque.pop_front();
WitnessAnchorData wad = jsopWitnessAnchorMap[ jso.ToString() ];
vInputWitnesses.push_back(wad.witness);
if (inputAnchor.IsNull()) {
inputAnchor = wad.anchor;
} else if (inputAnchor != wad.anchor) {
throw JSONRPCError(RPC_WALLET_ERROR, "Selected input notes do not share the same anchor");
}
vOutPoints.push_back(jso);
vInputNotes.push_back(note);
jsInputValue += noteFunds;
int wtxHeight = -1;
int wtxDepth = -1;
{
LOCK2(cs_main, pwalletMain->cs_wallet);
const CWalletTx& wtx = pwalletMain->mapWallet[jso.hash];
wtxHeight = mapBlockIndex[wtx.hashBlock]->nHeight;
wtxDepth = wtx.GetDepthInMainChain();
}
LogPrint("zrpcunsafe", "%s: spending note (txid=%s, vjoinsplit=%d, ciphertext=%d, amount=%s, height=%d, confirmations=%d)\n",
getId(),
jso.hash.ToString().substr(0, 10),
jso.js,
int(jso.n), // uint8_t
FormatMoney(noteFunds),
wtxHeight,
wtxDepth
);
// The jsAnchor is null if this JoinSplit is at the start of a new chain
if (jsAnchor.IsNull()) {
jsAnchor = inputAnchor;
}
// Add history of previous commitments to witness
if (vInputNotes.size() > 0) {
// Add spendable notes as inputs
std::copy(vInputNotes.begin(), vInputNotes.end(), std::back_inserter(info.notes));
}
if (vInputWitnesses.size()==0) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not find witness for note commitment");
}
for (auto & optionalWitness : vInputWitnesses) {
if (!optionalWitness) {
throw JSONRPCError(RPC_WALLET_ERROR, "Witness for note commitment is null");
}
ZCIncrementalWitness w = *optionalWitness; // could use .get();
if (jsChange > 0) {
for (const uint256& commitment : previousCommitments) {
w.append(commitment);
}
if (jsAnchor != w.root()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Witness for spendable note does not have same anchor as change input");
}
}
witnesses.push_back(w);
}
// The jsAnchor is null if this JoinSplit is at the start of a new chain
if (jsAnchor.IsNull()) {
jsAnchor = inputAnchor;
}
// Add spendable notes as inputs
std::copy(vInputNotes.begin(), vInputNotes.end(), std::back_inserter(info.notes));
}
//
// Find recipient to transfer funds to
//
// Find recipient to transfer funds to
std::string address, hexMemo;
CAmount value = 0;
if (zOutputsDeque.size() > 0) {
SendManyRecipient smr = zOutputsDeque.front();
std::string address = std::get<0>(smr);
CAmount value = std::get<1>(smr);
std::string hexMemo = std::get<2>(smr);
address = std::get<0>(smr);
value = std::get<1>(smr);
hexMemo = std::get<2>(smr);
zOutputsDeque.pop_front();
}
// Will we have any change? Has the miners fee been processed yet?
jsChange = 0;
CAmount outAmount = value;
if (!minersFeeProcessed) {
if (jsInputValue < minersFee) {
throw JSONRPCError(RPC_WALLET_ERROR, "Not enough funds to pay miners fee");
}
outAmount += minersFee;
// Reset change
jsChange = 0;
CAmount outAmount = value;
// Set vpub_new in the last joinsplit (when there are no more notes to spend or zaddr outputs to satisfy)
if (zOutputsDeque.size() == 0 && zInputsDeque.size() == 0) {
assert(!vpubNewProcessed);
if (jsInputValue < vpubNewTarget) {
throw JSONRPCError(RPC_WALLET_ERROR,
strprintf("Insufficient funds for vpub_new %s (miners fee %s, taddr outputs %s)",
FormatMoney(vpubNewTarget), FormatMoney(minersFee), FormatMoney(t_outputs_total)));
}
outAmount += vpubNewTarget;
info.vpub_new += vpubNewTarget; // funds flowing back to public pool
vpubNewProcessed = true;
jsChange = jsInputValue - outAmount;
assert(jsChange >= 0);
}
else {
// This is not the last joinsplit, so compute change and any amount still due to the recipient
if (jsInputValue > outAmount) {
jsChange = jsInputValue - outAmount;
} else if (outAmount > jsInputValue) {
@@ -733,42 +716,44 @@ bool AsyncRPCOperation_sendmany::main_impl() {
// reduce the amount being sent right now to the value of all inputs
value = jsInputValue;
if (!minersFeeProcessed) {
value -= minersFee;
}
}
}
if (!minersFeeProcessed) {
minersFeeProcessed = true;
info.vpub_new += minersFee; // funds flowing back to public pool
}
// create output for recipient
// create output for recipient
if (address.empty()) {
assert(value==0);
info.vjsout.push_back(JSOutput()); // dummy output while we accumulate funds into a change note for vpub_new
} else {
PaymentAddress pa = CZCPaymentAddress(address).Get();
JSOutput jso = JSOutput(pa, value);
if (hexMemo.size() > 0) {
jso.memo = get_memo_from_hex_string(hexMemo);
}
info.vjsout.push_back(jso);
}
// create output for any change
if (jsChange>0) {
info.vjsout.push_back(JSOutput(frompaymentaddress_, jsChange));
// create output for any change
if (jsChange>0) {
info.vjsout.push_back(JSOutput(frompaymentaddress_, jsChange));
LogPrint("zrpcunsafe", "%s: generating note for change (amount=%s)\n",
getId(),
FormatMoney(jsChange)
);
}
LogPrint("zrpcunsafe", "%s: generating note for change (amount=%s)\n",
getId(),
FormatMoney(jsChange)
);
}
obj = perform_joinsplit(info, witnesses, jsAnchor);
obj = perform_joinsplit(info, witnesses, jsAnchor);
if (jsChange > 0) {
changeOutputIndex = find_output(obj, 1);
}
if (jsChange > 0) {
changeOutputIndex = find_output(obj, 1);
}
}
// Sanity check in case changes to code block above exits loop by invoking 'break'
assert(zInputsDeque.size() == 0);
assert(zOutputsDeque.size() == 0);
assert(vpubNewProcessed);
sign_send_raw_transaction(obj);
return true;
}
@@ -850,6 +835,10 @@ bool AsyncRPCOperation_sendmany::find_utxos(bool fAcceptCoinbase=false) {
pwalletMain->AvailableCoins(vecOutputs, false, NULL, true, fAcceptCoinbase);
BOOST_FOREACH(const COutput& out, vecOutputs) {
if (!out.fSpendable) {
continue;
}
if (out.nDepth < mindepth_) {
continue;
}
@@ -921,7 +910,7 @@ UniValue AsyncRPCOperation_sendmany::perform_joinsplit(AsyncJoinSplitInfo & info
std::vector<boost::optional < ZCIncrementalWitness>> witnesses;
uint256 anchor;
{
LOCK2(cs_main, pwalletMain->cs_wallet);
LOCK(cs_main);
anchor = pcoinsTip->GetBestAnchor(); // As there are no inputs, ask the wallet for the best anchor
}
return perform_joinsplit(info, witnesses, anchor);
@@ -992,7 +981,9 @@ UniValue AsyncRPCOperation_sendmany::perform_joinsplit(
#else
boost::array<size_t, ZC_NUM_JS_INPUTS> inputMap;
boost::array<size_t, ZC_NUM_JS_OUTPUTS> outputMap;
#endif
uint256 esk; // payment disclosure - secret
JSDescription jsdesc = JSDescription::Randomized(
*pzcashParams,
joinSplitPubKey_,
@@ -1003,8 +994,8 @@ UniValue AsyncRPCOperation_sendmany::perform_joinsplit(
outputMap,
info.vpub_old,
info.vpub_new,
!this->testmode);
!this->testmode,
&esk); // parameter expects pointer to esk, so pass in address
{
auto verifier = libzcash::ProofVerifier::Strict();
if (!(jsdesc.Verify(*pzcashParams, verifier, joinSplitPubKey_))) {
@@ -1017,7 +1008,7 @@ UniValue AsyncRPCOperation_sendmany::perform_joinsplit(
// Empty output script.
CScript scriptCode;
CTransaction signTx(mtx);
uint256 dataToBeSigned = SignatureHash(scriptCode, signTx, NOT_AN_INPUT, SIGHASH_ALL);
uint256 dataToBeSigned = SignatureHash(scriptCode, signTx, NOT_AN_INPUT, SIGHASH_ALL, 0, consensusBranchId_);
// Add the signature
if (!(crypto_sign_detached(&mtx.joinSplitSig[0], NULL,
@@ -1073,6 +1064,28 @@ UniValue AsyncRPCOperation_sendmany::perform_joinsplit(
arrOutputMap.push_back(outputMap[i]);
}
// !!! Payment disclosure START
unsigned char buffer[32] = {0};
memcpy(&buffer[0], &joinSplitPrivKey_[0], 32); // private key in first half of 64 byte buffer
std::vector<unsigned char> vch(&buffer[0], &buffer[0] + 32);
uint256 joinSplitPrivKey = uint256(vch);
size_t js_index = tx_.vjoinsplit.size() - 1;
uint256 placeholder;
for (int i = 0; i < ZC_NUM_JS_OUTPUTS; i++) {
uint8_t mapped_index = outputMap[i];
// placeholder for txid will be filled in later when tx has been finalized and signed.
PaymentDisclosureKey pdKey = {placeholder, js_index, mapped_index};
JSOutput output = outputs[mapped_index];
libzcash::PaymentAddress zaddr = output.addr; // randomized output
PaymentDisclosureInfo pdInfo = {PAYMENT_DISCLOSURE_VERSION_EXPERIMENTAL, esk, joinSplitPrivKey, zaddr};
paymentDisclosureData_.push_back(PaymentDisclosureKeyInfo(pdKey, pdInfo));
CZCPaymentAddress address(zaddr);
LogPrint("paymentdisclosure", "%s: Payment Disclosure: js=%d, n=%d, zaddr=%s\n", getId(), js_index, int(mapped_index), address.ToString());
}
// !!! Payment disclosure END
UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("encryptednote1", encryptedNote1));
obj.push_back(Pair("encryptednote2", encryptedNote2));