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Move transparent input pushing onto TransparentInputs

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This commit is contained in:
Jack Grigg 2019-11-13 19:20:09 +00:00
parent d9d50b98ab
commit 8d967c8609
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GPG Key ID: 9E8255172BBF9898
1 changed files with 32 additions and 23 deletions
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55
zcash_primitives/src/transaction/builder.rs
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@ -164,6 +164,37 @@ impl Default for TransparentInputs {
struct TransparentInputs; struct TransparentInputs;
impl TransparentInputs { impl TransparentInputs {
#[cfg(feature = "transparent-inputs")]
fn push(
&mut self,
mtx: &mut TransactionData,
sk: secp256k1::SecretKey,
utxo: OutPoint,
coin: TxOut,
) -> Result<(), Error> {
if coin.value.is_negative() {
return Err(Error::InvalidAmount);
}
let pubkey = secp256k1::PublicKey::from_secret_key(&self.secp, &sk).serialize();
match coin.script_pubkey.address() {
Some(TransparentAddress::PublicKey(hash)) => {
use ripemd160::Ripemd160;
use sha2::{Digest, Sha256};
if &hash[..] != &Ripemd160::digest(&Sha256::digest(&pubkey))[..] {
return Err(Error::InvalidAddress);
}
}
_ => return Err(Error::InvalidAddress),
}
mtx.vin.push(TxIn::new(utxo));
self.inputs.push(TransparentInputInfo { sk, pubkey, coin });
Ok(())
}
fn input_sum(&self) -> Amount { fn input_sum(&self) -> Amount {
#[cfg(feature = "transparent-inputs")] #[cfg(feature = "transparent-inputs")]
{ {
@ -358,29 +389,7 @@ impl<R: RngCore + CryptoRng> Builder<R> {
utxo: OutPoint, utxo: OutPoint,
coin: TxOut, coin: TxOut,
) -> Result<(), Error> { ) -> Result<(), Error> {
if coin.value.is_negative() { self.legacy.push(&mut self.mtx, sk, utxo, coin)
return Err(Error::InvalidAmount);
}
let pubkey = secp256k1::PublicKey::from_secret_key(&self.legacy.secp, &sk).serialize();
match coin.script_pubkey.address() {
Some(TransparentAddress::PublicKey(hash)) => {
use ripemd160::Ripemd160;
use sha2::{Digest, Sha256};
if &hash[..] != &Ripemd160::digest(&Sha256::digest(&pubkey))[..] {
return Err(Error::InvalidAddress);
}
}
_ => return Err(Error::InvalidAddress),
}
self.mtx.vin.push(TxIn::new(utxo));
self.legacy
.inputs
.push(TransparentInputInfo { sk, pubkey, coin });
Ok(())
} }
/// Adds a transparent address to send funds to. /// Adds a transparent address to send funds to.