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builder for transparent inputs

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This commit is contained in:
Aditya Kulkarni
2019-09-10 14:20:19 -07:00
parent ee19337187
commit 9c8389f8f0
1 changed files with 49 additions and 52 deletions
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101
rust-lightclient/src/lightwallet.rs
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@@ -914,73 +914,70 @@ impl LightWallet {
.collect();
// Confirm we were able to select sufficient value
// let selected_value = notes
// .iter()
// .map(|selected| selected.note.value)
// .sum::<u64>();
// if selected_value < u64::from(target_value) {
// eprintln!(
// "Insufficient funds (have {}, need {:?})",
// selected_value, target_value
// );
// return None;
// }
let selected_value = notes
.iter()
.map(|selected| selected.note.value)
.sum::<u64>();
if selected_value < u64::from(target_value) {
eprintln!(
"Insufficient funds (have {}, need {:?})",
selected_value, target_value
);
return None;
}
// Create the transaction
println!("{}: Adding {} inputs", now() - start_time, notes.len());
let mut builder = Builder::new(height);
// for selected in notes.iter() {
// if let Err(e) = builder.add_sapling_spend(
// extsk.clone(),
// selected.diversifier,
// selected.note.clone(),
// selected.witness.clone(),
// ) {
// eprintln!("Error adding note: {:?}", e);
// return None;
// }
// }
for selected in notes.iter() {
if let Err(e) = builder.add_sapling_spend(
extsk.clone(),
selected.diversifier,
selected.note.clone(),
selected.witness.clone(),
) {
eprintln!("Error adding note: {:?}", e);
return None;
}
}
// TODO: Temp - Add a transparent input manually for testing
use zcash_primitives::transaction::components::{TxOut, OutPoint};
use zcash_primitives::legacy::Script;
let sk_bytes = "cPYbNomCYVh7Sih2LAFg5WEkGT6kMBfdLzWpdSm8qyrgd7viztVq".from_base58check(&[0xEF], &[0x01]);
println!("sk bytes {}", sk_bytes.len());
// use zcash_primitives::transaction::components::{TxOut, OutPoint};
// use zcash_primitives::legacy::Script;
// let sk_bytes = "cVrKZtzs4xA58hkgR25uPVi7cV3x2o7fB5kZHFppSpqytD4fyHNz".from_base58check(&[0xEF], &[0x01]);
// println!("sk bytes {}", sk_bytes.len());
let sk = secp256k1::SecretKey::from_slice(&sk_bytes).unwrap();
let secp = secp256k1::Secp256k1::new();
let pk = secp256k1::PublicKey::from_secret_key(&secp, &sk);
// let sk = secp256k1::SecretKey::from_slice(&sk_bytes).unwrap();
// let secp = secp256k1::Secp256k1::new();
// let pk = secp256k1::PublicKey::from_secret_key(&secp, &sk);
// Address
let mut hash160 = ripemd160::Ripemd160::new();
hash160.input(sha2::Sha256::digest(&pk.serialize().to_vec()));
let addr = hash160.result().to_base58check(&[0x1D, 0x25], &[]);
// // Address
// let mut hash160 = ripemd160::Ripemd160::new();
// hash160.input(sha2::Sha256::digest(&pk.serialize().to_vec()));
// let addr = hash160.result().to_base58check(&[0x1D, 0x25], &[]);
println!("Address = {}", addr);
// println!("Address = {}", addr);
let mut script_hash = [0u8; 32];
script_hash.copy_from_slice(&hex::decode("d8cd8ca083b3f7e1290c51ba5fb3366fbc4e749256446638318022d8672a6862").unwrap()[0..32]);
script_hash.reverse();
// let mut script_hash = [0u8; 32];
// script_hash.copy_from_slice(&hex::decode("92e600d49847b10d63cff7cf87a68e4664926f1c66c4d6ed9558d547c08927f0").unwrap()[0..32]);
// script_hash.reverse();
let utxo = OutPoint {
hash: script_hash,
n: 0
};
// let utxo = OutPoint::new(script_hash, 0);
let mut script_pubkey = hex::decode("76a914433bf369d77494b07f3ebdec0d09a2edfdc4481688ac").unwrap();
let script = Script{0: script_pubkey};
match script.address().unwrap() {
PublicKey(p) => println!("{}", p.to_base58check(&[0x1D, 0x25], &[])),
_ => {}
};
// let script_pubkey = hex::decode("76a91455d60e3403d157326e3dd1341d481c197de1cf5a88ac").unwrap();
// let script = Script{0: script_pubkey};
// match script.address().unwrap() {
// PublicKey(p) => println!("{}", p.to_base58check(&[0x1D, 0x25], &[])),
// _ => {}
// };
let coin = TxOut {
value: Amount::from_u64(50000000).unwrap(),
script_pubkey: script,
};
// let coin = TxOut {
// value: Amount::from_u64(40000000).unwrap(),
// script_pubkey: script,
// };
builder.add_transparent_input(sk, utxo, coin).unwrap();
// builder.add_transparent_input(sk, utxo, coin).unwrap();
// Compute memo if it exists
let encoded_memo = memo.map(|s| Memo::from_str(&s).unwrap() );