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schnorr signature batch verification (#2961)

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* schnorr signature batch verification

* Split the fee and lock_height verification out from the batch signature verification

* Remove the new added fee_height_verify to comply with #2859

* fix: the last n could not be leaf?
This commit is contained in:
Gary Yu
2019-09-03 22:44:10 +08:00
committed by Antioch Peverell
parent 2cebdc5868
commit 928279a676
2 changed files with 40 additions and 19 deletions
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chain/src/txhashset/txhashset.rs
+16 -14
View File
@@ -1373,9 +1373,11 @@ impl<'a> Extension<'a> {
fn verify_kernel_signatures(&self, status: &dyn TxHashsetWriteStatus) -> Result<(), Error> {
let now = Instant::now();
const KERNEL_BATCH_SIZE: usize = 5_000;
let mut kern_count = 0;
let total_kernels = pmmr::n_leaves(self.kernel_pmmr.unpruned_size());
let mut tx_kernels: Vec<TxKernel> = Vec::with_capacity(KERNEL_BATCH_SIZE);
for n in 1..self.kernel_pmmr.unpruned_size() + 1 {
if pmmr::is_leaf(n) {
let kernel = self
@@ -1383,18 +1385,18 @@ impl<'a> Extension<'a> {
.get_data(n)
.ok_or::<Error>(ErrorKind::TxKernelNotFound.into())?;
kernel.verify()?;
kern_count += 1;
tx_kernels.push(kernel.kernel);
}
if kern_count % 20 == 0 {
status.on_validation(kern_count, total_kernels, 0, 0);
}
if kern_count % 1_000 == 0 {
debug!(
"txhashset: verify_kernel_signatures: verified {} signatures",
kern_count,
);
}
if tx_kernels.len() >= KERNEL_BATCH_SIZE || n >= self.kernel_pmmr.unpruned_size() {
TxKernel::batch_sig_verify(&tx_kernels)?;
kern_count += tx_kernels.len() as u64;
tx_kernels.clear();
status.on_validation(kern_count, total_kernels, 0, 0);
debug!(
"txhashset: verify_kernel_signatures: verified {} signatures",
kern_count,
);
}
}
@@ -1411,8 +1413,8 @@ impl<'a> Extension<'a> {
fn verify_rangeproofs(&self, status: &dyn TxHashsetWriteStatus) -> Result<(), Error> {
let now = Instant::now();
let mut commits: Vec<Commitment> = vec![];
let mut proofs: Vec<RangeProof> = vec![];
let mut commits: Vec<Commitment> = Vec::with_capacity(1_000);
let mut proofs: Vec<RangeProof> = Vec::with_capacity(1_000);
let mut proof_count = 0;
let total_rproofs = pmmr::n_leaves(self.output_pmmr.unpruned_size());
@@ -1443,7 +1445,7 @@ impl<'a> Extension<'a> {
);
}
if proof_count % 20 == 0 {
if proof_count % 1_000 == 0 {
status.on_validation(0, 0, proof_count, total_rproofs);
}
}