From 353cd5355e4935ccff8e9e6c83385f81d3ce67e8 Mon Sep 17 00:00:00 2001 From: Crypto City Date: Fri, 5 Nov 2021 18:10:22 +0000 Subject: wallet2: speedup large tx construction: no pointless clsag generation 4.1 seconds -> 3.3 seconds on a test case --- src/ringct/rctSigs.cpp | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/ringct/rctSigs.cpp b/src/ringct/rctSigs.cpp index 3e85f60ce..bd67778ec 100644 --- a/src/ringct/rctSigs.cpp +++ b/src/ringct/rctSigs.cpp @@ -79,6 +79,7 @@ namespace 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}; } + rct::BulletproofPlus make_dummy_bulletproof_plus(const std::vector &outamounts, rct::keyV &C, rct::keyV &masks) { const size_t n_outs = outamounts.size(); @@ -109,6 +110,13 @@ namespace return rct::BulletproofPlus{rct::keyV(n_outs, I), I, I, I, I, I, I, rct::keyV(nrl, I), rct::keyV(nrl, I)}; } + + rct::clsag make_dummy_clsag(size_t ring_size) + { + const rct::key I = rct::identity(); + const size_t n_scalars = ring_size; + return rct::clsag{rct::keyV(n_scalars, I), I, I, I}; + } } namespace rct { @@ -1323,7 +1331,10 @@ namespace rct { { if (is_rct_clsag(rv.type)) { - rv.p.CLSAGs[i] = proveRctCLSAGSimple(full_message, rv.mixRing[i], inSk[i], a[i], pseudoOuts[i], kLRki ? &(*kLRki)[i]: NULL, msout ? &msout->c[i] : NULL, msout ? &msout->mu_p[i] : NULL, index[i], hwdev); + if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE) + rv.p.CLSAGs[i] = make_dummy_clsag(rv.mixRing[i].size()); + else + rv.p.CLSAGs[i] = proveRctCLSAGSimple(full_message, rv.mixRing[i], inSk[i], a[i], pseudoOuts[i], kLRki ? &(*kLRki)[i]: NULL, msout ? &msout->c[i] : NULL, msout ? &msout->mu_p[i] : NULL, index[i], hwdev); } else { -- cgit v1.2.3