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bulletproofs: add multi output bulletproofs to rct

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This commit is contained in:
moneromooo-monero
2018-01-17 21:50:03 +00:00
parent f34e2e20bd
commit 9ce9f8caf6
13 changed files with 247 additions and 97 deletions
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src/wallet/wallet2.cpp
+30 -12
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@@ -5268,10 +5268,18 @@ bool wallet2::sign_tx(unsigned_tx_set &exported_txs, std::vector<wallet2::pendin
LOG_PRINT_L1(" " << (n+1) << ": " << sd.sources.size() << " inputs, ring size " << sd.sources[0].outputs.size());
signed_txes.ptx.push_back(pending_tx());
tools::wallet2::pending_tx &ptx = signed_txes.ptx.back();
rct::RangeProofType range_proof_type = rct::RangeProofBorromean;
if (sd.use_bulletproofs)
{
range_proof_type = rct::RangeProofBulletproof;
for (const rct::Bulletproof &proof: ptx.tx.rct_signatures.p.bulletproofs)
if (proof.V.size() > 1)
range_proof_type = rct::RangeProofMultiOutputBulletproof;
}
crypto::secret_key tx_key;
std::vector<crypto::secret_key> additional_tx_keys;
rct::multisig_out msout;
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sd.sources, sd.splitted_dsts, sd.change_dts.addr, sd.extra, ptx.tx, sd.unlock_time, tx_key, additional_tx_keys, sd.use_rct, sd.use_bulletproofs, m_multisig ? &msout : NULL);
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sd.sources, sd.splitted_dsts, sd.change_dts.addr, sd.extra, ptx.tx, sd.unlock_time, tx_key, additional_tx_keys, sd.use_rct, range_proof_type, m_multisig ? &msout : NULL);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sd.sources, sd.splitted_dsts, sd.unlock_time, m_nettype);
// we don't test tx size, because we don't know the current limit, due to not having a blockchain,
// and it's a bit pointless to fail there anyway, since it'd be a (good) guess only. We sign anyway,
@@ -5684,7 +5692,15 @@ bool wallet2::sign_multisig_tx(multisig_tx_set &exported_txs, std::vector<crypto
cryptonote::transaction tx;
rct::multisig_out msout = ptx.multisig_sigs.front().msout;
auto sources = sd.sources;
bool r = cryptonote::construct_tx_with_tx_key(m_account.get_keys(), m_subaddresses, sources, sd.splitted_dsts, ptx.change_dts.addr, sd.extra, tx, sd.unlock_time, ptx.tx_key, ptx.additional_tx_keys, sd.use_rct, sd.use_bulletproofs, &msout, false);
rct::RangeProofType range_proof_type = rct::RangeProofBorromean;
if (sd.use_bulletproofs)
{
range_proof_type = rct::RangeProofBulletproof;
for (const rct::Bulletproof &proof: ptx.tx.rct_signatures.p.bulletproofs)
if (proof.V.size() > 1)
range_proof_type = rct::RangeProofMultiOutputBulletproof;
}
bool r = cryptonote::construct_tx_with_tx_key(m_account.get_keys(), m_subaddresses, sources, sd.splitted_dsts, ptx.change_dts.addr, sd.extra, tx, sd.unlock_time, ptx.tx_key, ptx.additional_tx_keys, sd.use_rct, range_proof_type, &msout, false);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sd.sources, sd.splitted_dsts, sd.unlock_time, m_nettype);
THROW_WALLET_EXCEPTION_IF(get_transaction_prefix_hash (tx) != get_transaction_prefix_hash(ptx.tx),
@@ -7054,7 +7070,7 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
std::vector<crypto::secret_key> additional_tx_keys;
rct::multisig_out msout;
LOG_PRINT_L2("constructing tx");
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sources, splitted_dsts, change_dts.addr, extra, tx, unlock_time, tx_key, additional_tx_keys, false, false, m_multisig ? &msout : NULL);
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sources, splitted_dsts, change_dts.addr, extra, tx, unlock_time, tx_key, additional_tx_keys, false, rct::RangeProofBulletproof, m_multisig ? &msout : NULL);
LOG_PRINT_L2("constructed tx, r="<<r);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_nettype);
THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit);
@@ -7103,7 +7119,7 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry> dsts, const std::vector<size_t>& selected_transfers, size_t fake_outputs_count,
std::vector<std::vector<tools::wallet2::get_outs_entry>> &outs,
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx, bool bulletproof)
uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx, pending_tx &ptx, rct::RangeProofType range_proof_type)
{
using namespace cryptonote;
// throw if attempting a transaction with no destinations
@@ -7259,7 +7275,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
rct::multisig_out msout;
LOG_PRINT_L2("constructing tx");
auto sources_copy = sources;
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sources, splitted_dsts, change_dts.addr, extra, tx, unlock_time, tx_key, additional_tx_keys, true, bulletproof, m_multisig ? &msout : NULL);
bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), m_subaddresses, sources, splitted_dsts, change_dts.addr, extra, tx, unlock_time, tx_key, additional_tx_keys, true, range_proof_type, m_multisig ? &msout : NULL);
LOG_PRINT_L2("constructed tx, r="<<r);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, dsts, unlock_time, m_nettype);
THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit);
@@ -7304,7 +7320,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry
LOG_PRINT_L2("Creating supplementary multisig transaction");
cryptonote::transaction ms_tx;
auto sources_copy_copy = sources_copy;
bool r = cryptonote::construct_tx_with_tx_key(m_account.get_keys(), m_subaddresses, sources_copy_copy, splitted_dsts, change_dts.addr, extra, ms_tx, unlock_time,tx_key, additional_tx_keys, true, bulletproof, &msout, false);
bool r = cryptonote::construct_tx_with_tx_key(m_account.get_keys(), m_subaddresses, sources_copy_copy, splitted_dsts, change_dts.addr, extra, ms_tx, unlock_time,tx_key, additional_tx_keys, true, range_proof_type, &msout, false);
LOG_PRINT_L2("constructed tx, r="<<r);
THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_nettype);
THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit);
@@ -8010,6 +8026,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
uint64_t upper_transaction_size_limit = get_upper_transaction_size_limit();
const bool use_rct = use_fork_rules(4, 0);
const bool bulletproof = use_fork_rules(get_bulletproof_fork(), 0);
const rct::RangeProofType range_proof_type = bulletproof ? rct::RangeProofMultiOutputBulletproof : rct::RangeProofBorromean;
const uint64_t fee_per_kb = get_per_kb_fee();
const uint64_t fee_multiplier = get_fee_multiplier(priority, get_fee_algorithm());
@@ -8326,7 +8343,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
tx.selected_transfers.size() << " inputs");
if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx, bulletproof);
test_tx, test_ptx, range_proof_type);
else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
@@ -8369,7 +8386,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
while (needed_fee > test_ptx.fee) {
if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx, bulletproof);
test_tx, test_ptx, range_proof_type);
else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
@@ -8442,7 +8459,7 @@ skip_tx:
extra, /* const std::vector<uint8_t>& extra, */
test_tx, /* OUT cryptonote::transaction& tx, */
test_ptx, /* OUT cryptonote::transaction& tx, */
bulletproof);
range_proof_type);
} else {
transfer_selected(tx.dsts,
tx.selected_transfers,
@@ -8581,6 +8598,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
const bool use_rct = fake_outs_count > 0 && use_fork_rules(4, 0);
const bool bulletproof = use_fork_rules(get_bulletproof_fork(), 0);
const rct::RangeProofType range_proof_type = bulletproof ? rct::RangeProofBulletproof : rct::RangeProofBorromean;
const uint64_t fee_per_kb = get_per_kb_fee();
const uint64_t fee_multiplier = get_fee_multiplier(priority, get_fee_algorithm());
@@ -8636,7 +8654,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
tx.selected_transfers.size() << " outputs");
if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx, bulletproof);
test_tx, test_ptx, range_proof_type);
else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
@@ -8653,7 +8671,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
tx.dsts[0].amount = available_for_fee - needed_fee;
if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
test_tx, test_ptx, bulletproof);
test_tx, test_ptx, range_proof_type);
else
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, outs, unlock_time, needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);
@@ -8692,7 +8710,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
pending_tx test_ptx;
if (use_rct) {
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, tx.outs, unlock_time, tx.needed_fee, extra,
test_tx, test_ptx, bulletproof);
test_tx, test_ptx, range_proof_type);
} else {
transfer_selected(tx.dsts, tx.selected_transfers, fake_outs_count, tx.outs, unlock_time, tx.needed_fee, extra,
detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx);