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https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
ringct: use dummy bulletproofs when in fake mode, for speed
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parent
1e74586ee9
commit
d6937e373b
4 changed files with 49 additions and 12 deletions
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@ -85,7 +85,7 @@ namespace hw {
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public:
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device() {}
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device(): mode(NONE) {}
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device(const device &hwdev) {}
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virtual ~device() {}
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@ -115,7 +115,8 @@ namespace hw {
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virtual bool connect(void) = 0;
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virtual bool disconnect(void) = 0;
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virtual bool set_mode(device_mode mode) = 0;
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virtual bool set_mode(device_mode mode) { this->mode = mode; return true; }
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virtual device_mode get_mode() const { return mode; }
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virtual device_type get_type() const = 0;
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@ -202,6 +203,9 @@ namespace hw {
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virtual bool mlsag_sign(const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) = 0;
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virtual bool close_tx(void) = 0;
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protected:
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device_mode mode;
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} ;
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struct reset_mode {
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@ -83,7 +83,7 @@ namespace hw {
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}
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bool device_default::set_mode(device_mode mode) {
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return true;
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return device::set_mode(mode);
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}
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/* ======================================================================= */
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@ -396,7 +396,7 @@ namespace hw {
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CHECK_AND_ASSERT_THROW_MES(false, " device_ledger::set_mode(unsigned int mode): invalid mode: "<<mode);
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}
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MDEBUG("Switch to mode: " <<mode);
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return true;
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return device::set_mode(mode);
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}
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@ -44,6 +44,19 @@ using namespace std;
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#define CHECK_AND_ASSERT_MES_L1(expr, ret, message) {if(!(expr)) {MCERROR("verify", message); return ret;}}
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namespace
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{
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rct::Bulletproof make_dummy_bulletproof(size_t n_outs)
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{
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const rct::key I = rct::identity();
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size_t nrl = 0;
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while ((1u << nrl) < n_outs)
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++nrl;
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nrl += 6;
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return rct::Bulletproof{rct::keyV(n_outs, I), I, I, I, I, I, I, rct::keyV(nrl, I), rct::keyV(nrl, I), I, I, I};
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}
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}
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namespace rct {
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Bulletproof proveRangeBulletproof(key &C, key &mask, uint64_t amount)
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{
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@ -762,10 +775,20 @@ namespace rct {
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if (range_proof_type == RangeProofPaddedBulletproof)
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{
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rct::keyV C, masks;
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if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE)
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{
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// use a fake bulletproof for speed
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rv.p.bulletproofs.push_back(make_dummy_bulletproof(outamounts.size()));
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C = rct::keyV(outamounts.size(), I);
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masks = rct::keyV(outamounts.size(), I);
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}
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else
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{
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rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, outamounts));
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#ifdef DBG
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CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof");
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#endif
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}
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for (i = 0; i < outamounts.size(); ++i)
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{
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rv.outPk[i].mask = rct::scalarmult8(C[i]);
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@ -782,10 +805,20 @@ namespace rct {
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std::vector<uint64_t> batch_amounts(batch_size);
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for (i = 0; i < batch_size; ++i)
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batch_amounts[i] = outamounts[i + amounts_proved];
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if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE)
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{
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// use a fake bulletproof for speed
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rv.p.bulletproofs.push_back(make_dummy_bulletproof(batch_amounts.size()));
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C = rct::keyV(batch_amounts.size(), I);
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masks = rct::keyV(batch_amounts.size(), I);
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}
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else
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{
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rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, batch_amounts));
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#ifdef DBG
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CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof");
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#endif
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}
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for (i = 0; i < batch_size; ++i)
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{
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rv.outPk[i + amounts_proved].mask = rct::scalarmult8(C[i]);
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