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transparent inputs should use serialize_der()

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This commit is contained in:
Aditya Kulkarni
2019-09-10 10:01:13 -07:00
parent 1056db3bea
commit 3ee778de59
1 changed files with 39 additions and 33 deletions
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10
zcash_primitives/src/transaction/builder.rs
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@@ -479,7 +479,6 @@ impl<R: RngCore + CryptoRng> Builder<R> {
//
let mut ctx = prover.new_sapling_proving_context();
let anchor = self.anchor.expect("anchor was set if spends were added");
// Pad Sapling outputs
let orig_outputs_len = outputs.len();
@@ -495,6 +494,8 @@ impl<R: RngCore + CryptoRng> Builder<R> {
tx_metadata.spend_indices.resize(spends.len(), 0);
tx_metadata.output_indices.resize(orig_outputs_len, 0);
if spends.len() > 0 {
let anchor = self.anchor.expect("anchor was set if spends were added");
// Create Sapling SpendDescriptions
for (i, (pos, spend)) in spends.iter().enumerate() {
let proof_generation_key = spend.extsk.expsk.proof_generation_key(&JUBJUB);
@@ -531,6 +532,7 @@ impl<R: RngCore + CryptoRng> Builder<R> {
// Record the post-randomized spend location
tx_metadata.spend_indices[*pos] = i;
}
}
// Create Sapling OutputDescriptions
for (i, output) in outputs.into_iter().enumerate() {
@@ -644,9 +646,13 @@ impl<R: RngCore + CryptoRng> Builder<R> {
let msg = secp256k1::Message::from_slice(&sighash).expect("32 bytes");
let sig = self.legacy.secp.sign(&msg, &info.sk);
// Signature has to have "SIGHASH_ALL" appended to it
let mut sig_bytes: Vec<u8> = sig.serialize_der()[..].to_vec();
sig_bytes.extend(&[SIGHASH_ALL as u8]);
// P2PKH scriptSig
self.mtx.vin[i].script_sig =
Script::default() << &sig.serialize_compact()[..] << &info.pubkey[..];
Script::default() << &sig_bytes[..] << &info.pubkey[..];
}
}