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Merge pull request #92 from str4d/transaction-builder

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Transaction builder
This commit is contained in:
str4d
2019-08-14 01:11:12 +01:00
committed by GitHub
parent 4255b44b21 4a6c9ec425
commit 52ea437e11
21 changed files with 1609 additions and 156 deletions
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16
librustzcash/src/rustzcash.rs
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@@ -63,6 +63,7 @@ use zcash_primitives::{
merkle_tree::CommitmentTreeWitness,
note_encryption::sapling_ka_agree,
sapling::{merkle_hash, spend_sig},
transaction::components::Amount,
zip32, JUBJUB,
};
use zcash_proofs::{
@@ -704,6 +705,11 @@ pub extern "system" fn librustzcash_sapling_final_check(
binding_sig: *const [c_uchar; 64],
sighash_value: *const [c_uchar; 32],
) -> bool {
let value_balance = match Amount::from_i64(value_balance) {
Ok(vb) => vb,
Err(()) => return false,
};
// Deserialize the signature
let binding_sig = match Signature::read(&(unsafe { &*binding_sig })[..]) {
Ok(sig) => sig,
@@ -1002,8 +1008,11 @@ pub extern "system" fn librustzcash_sapling_spend_sig(
Err(_) => return false,
};
// Initialize secure RNG
let mut rng = OsRng;
// Do the signing
let sig = spend_sig(ask, ar, unsafe { &*sighash }, &JUBJUB);
let sig = spend_sig(ask, ar, unsafe { &*sighash }, &mut rng, &JUBJUB);
// Write out the signature
sig.write(&mut (unsafe { &mut *result })[..])
@@ -1019,6 +1028,11 @@ pub extern "system" fn librustzcash_sapling_binding_sig(
sighash: *const [c_uchar; 32],
result: *mut [c_uchar; 64],
) -> bool {
let value_balance = match Amount::from_i64(value_balance) {
Ok(vb) => vb,
Err(()) => return false,
};
// Sign
let sig = match unsafe { &*ctx }.binding_sig(value_balance, unsafe { &*sighash }, &JUBJUB) {
Ok(s) => s,