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Correcting some trivial Rust option/iterator warts

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François Garillot
2020-01-16 07:36:29 -08:00
parent 18aceea225
commit 865275e2a2
9 changed files with 37 additions and 70 deletions
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12
zcash_proofs/src/sapling/prover.rs
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@@ -83,10 +83,9 @@ impl SaplingProvingContext {
let viewing_key = proof_generation_key.to_viewing_key(params);
// Construct the payment address with the viewing key / diversifier
let payment_address = match viewing_key.to_payment_address(diversifier, params) {
Some(p) => p,
None => return Err(()),
};
let payment_address = viewing_key
.to_payment_address(diversifier, params)
.ok_or(())?;
// This is the result of the re-randomization, we compute it for the caller
let rk = PublicKey::<Bls12>(proof_generation_key.ak.clone().into()).randomize(
@@ -266,10 +265,7 @@ impl SaplingProvingContext {
// against our derived bvk.
{
// Compute value balance
let mut value_balance = match compute_value_balance(value_balance, params) {
Some(a) => a,
None => return Err(()),
};
let mut value_balance = compute_value_balance(value_balance, params).ok_or(())?;
// Subtract value_balance from cv_sum to get final bvk
value_balance = value_balance.negate();