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/*use std::collections::HashMap;
use bip352::address::SilentPaymentAddress;
use bip352::receive::Receive;
use bip352::send::SilentPayment;
use bip352::spend;
use bitcoin::bip32::{ChildNumber, ExtendedPrivKey};
use bitcoin::consensus::encode::serialize_hex;
use bitcoin::key::TapTweak;
use bitcoin::secp256k1::{KeyPair, Secp256k1};
use bitcoin::{Address, OutPoint, PrivateKey, TxOut};
use bitcoind::bitcoincore_rpc::bitcoin::{Amount, Network};
use bitcoind::bitcoincore_rpc::bitcoincore_rpc_json::{AddressType, CreateRawTransactionInput};
use bitcoind::bitcoincore_rpc::RpcApi;
use bitcoind::BitcoinD;
use miniscript::Descriptor;
use rand::random;
use serde_json::Value;
use crate::common::ListDescriptorsResult;
mod common;
#[test]
#[rustfmt::skip]
fn test_me() {
let secp = Secp256k1::new();
//
// Receiver
//
let xpriv = ExtendedPrivKey::new_master(Network::Regtest, &random::<[u8; 32]>()).unwrap();
println!("Extended master key: {}", xpriv);
let scan_keys = xpriv.derive_priv(&secp, &[ChildNumber::Hardened { index: 352 }, ChildNumber::Hardened { index: 1 }, ChildNumber::Hardened { index: 0 }, ChildNumber::Hardened { index: 1 }]).unwrap();
let scan_key = scan_keys.derive_priv(&secp, &[ChildNumber::Normal { index: 0 }]).unwrap().private_key;
println!("Scan secret key: {}", scan_key.display_secret());
let spend_keys = xpriv.derive_priv(&secp, &[ChildNumber::Hardened { index: 352 }, ChildNumber::Hardened { index: 1 }, ChildNumber::Hardened { index: 0 }, ChildNumber::Hardened { index: 0 }]).unwrap();
let spend_key = spend_keys.derive_priv(&secp, &[ChildNumber::Normal { index: 0 }]).unwrap().private_key;
println!("Spend secret key: {}", spend_key.display_secret());
let client = {
let mut conf = bitcoind::Conf::default();
conf.args = vec!["-regtest", "-txindex=1", "-fallbackfee=0.0002"];
&BitcoinD::with_conf("/usr/bin/bitcoind", &conf).unwrap().client
};
//
// Sender
//
let mut silent_payment = SilentPayment::new(&secp);
let spaddress = SilentPaymentAddress::new(spend_key.public_key(&secp), scan_key.public_key(&secp));
println!("Silent payment address: {}", spaddress);
silent_payment.add_recipient(spaddress);
// Collect all private keys
let descs = client.call::<ListDescriptorsResult>("listdescriptors", &[Value::Bool(true)]).unwrap();
let keys = common::PrivateKeys { keys: common::collect_xprivs(&secp, &descs.descriptors), secp: &secp };
// Get some money
let addr = client.get_new_address(None, None).unwrap().require_network(Network::Regtest).unwrap();
client.generate_to_address(101, &addr).unwrap();
// Create one output (P2WPKH) and use it as one input for silent payment
let addr1 = client.get_new_address(None, Some(AddressType::Bech32)).unwrap().require_network(Network::Regtest).unwrap();
let tx1 = client.send_to_address(&addr1, Amount::from_btc(2.0).unwrap(), None, None, None, None, None, None).unwrap();
client.generate_to_address(1, &addr).unwrap();
let tx1 = client.get_transaction(&tx1, None).unwrap().transaction().unwrap();
println!("Transaction for input 1: {}", serialize_hex(&tx1));
let out1 = tx1.output.iter().position(|o| o.script_pubkey == addr1.script_pubkey()).unwrap() as u32;
silent_payment.add_outpoint(OutPoint::new(tx1.txid(), out1));
let (desc1, _) = Descriptor::parse_descriptor(&secp, &client.call::<common::GetAddress>("getaddressinfo", &[Value::String(addr1.to_string())]).unwrap().desc).unwrap();
if let Some(sec) = keys.for_descriptor(&desc1) {
silent_payment.add_private_key(sec);
}
// Create second (P2TR) output and use it as second input for silent payment
let addr2 = client.get_new_address(None, Some(AddressType::Bech32m)).unwrap().require_network(Network::Regtest).unwrap();
let tx2 = client.send_to_address(&addr2, Amount::from_btc(4.0).unwrap(), None, None, None, None, None, None).unwrap();
client.generate_to_address(1, &addr).unwrap();
let tx2 = client.get_transaction(&tx2, None).unwrap().transaction().unwrap();
println!("Transaction for input 2: {}", serialize_hex(&tx2));
let out2 = tx2.output.iter().position(|o| o.script_pubkey == addr2.script_pubkey()).unwrap() as u32;
silent_payment.add_outpoint(OutPoint::new(tx2.txid(), out2));
let (desc2, _) = Descriptor::parse_descriptor(&secp, &client.call::<common::GetAddress>("getaddressinfo", &[Value::String(addr2.to_string())]).unwrap().desc).unwrap();
if let Some(sec) = keys.for_descriptor(&desc2) {
let sec = KeyPair::from_secret_key(&secp, &sec).tap_tweak(&secp, None).to_inner();
silent_payment.add_taproot_private_key(sec);
}
// Create third output (P2PKH) and use it as third input for silent payment
let addr3 = client.get_new_address(None, Some(AddressType::Legacy)).unwrap().require_network(Network::Regtest).unwrap();
let tx3 = client.send_to_address(&addr3, Amount::from_btc(6.0).unwrap(), None, None, None, None, None, None).unwrap();
client.generate_to_address(1, &addr).unwrap();
let tx3 = client.get_transaction(&tx3, None).unwrap().transaction().unwrap();
println!("Transaction for input 3: {}", serialize_hex(&tx3));
let out3 = tx3.output.iter().position(|o| o.script_pubkey == addr3.script_pubkey()).unwrap() as u32;
silent_payment.add_outpoint(OutPoint::new(tx3.txid(), out3));
let (desc3, _) = Descriptor::parse_descriptor(&secp, &client.call::<common::GetAddress>("getaddressinfo", &[Value::String(addr3.to_string())]).unwrap().desc).unwrap();
if let Some(sec) = keys.for_descriptor(&desc3) {
silent_payment.add_private_key(sec);
}
// Create fourth output (P2SH-P2WPKH) and use it as fourth input for silent payment
let addr4 = client.get_new_address(None, Some(AddressType::P2shSegwit)).unwrap().require_network(Network::Regtest).unwrap();
let tx4 = client.send_to_address(&addr4, Amount::from_btc(8.0).unwrap(), None, None, None, None, None, None).unwrap();
client.generate_to_address(1, &addr).unwrap();
let tx4 = client.get_transaction(&tx4, None).unwrap().transaction().unwrap();
println!("Transaction for input 4: {}", serialize_hex(&tx4));
let out4 = tx4.output.iter().position(|o| o.script_pubkey == addr4.script_pubkey()).unwrap() as u32;
silent_payment.add_outpoint(OutPoint::new(tx4.txid(), out4));
let (desc4, _) = Descriptor::parse_descriptor(&secp, &client.call::<common::GetAddress>("getaddressinfo", &[Value::String(addr4.to_string())]).unwrap().desc).unwrap();
if let Some(sec) = keys.for_descriptor(&desc4) {
silent_payment.add_private_key(sec);
}
// Collect output scripts for silent payment
let outputs = silent_payment
.generate_output_scripts()
.iter()
.map(|o| (
Address::from_script(o, Network::Regtest).unwrap().to_string(),
Amount::from_btc(0.1).unwrap()
))
.collect();
// Finish transaction, sign and broadcast
let tx = client
.create_raw_transaction(
&[
CreateRawTransactionInput { txid: tx1.txid(), vout: out1, sequence: None },
CreateRawTransactionInput { txid: tx2.txid(), vout: out2, sequence: None },
CreateRawTransactionInput { txid: tx3.txid(), vout: out3, sequence: None },
CreateRawTransactionInput { txid: tx4.txid(), vout: out4, sequence: None },
],
&outputs,
None,
None,
)
.unwrap();
let funded = client.fund_raw_transaction(&tx, None, None).unwrap();
let signed = client.sign_raw_transaction_with_wallet(&funded.hex, None, None).unwrap();
let txid = client.send_raw_transaction(&signed.hex).unwrap();
client.generate_to_address(101, &addr).unwrap();
//
// Receiver
//
// Scan
let receive = Receive::new(scan_key, spend_key.public_key(&secp), vec![]);
let tx = client.get_raw_transaction(&txid, None).unwrap();
println!("Transaction with silent payment: {}", serialize_hex(&tx));
let prevs: HashMap<OutPoint, TxOut> = tx.input.iter().map(|vin| {
let prev_tx = client.get_raw_transaction(&vin.previous_output.txid, None).unwrap();
(vin.previous_output, prev_tx.output[vin.previous_output.vout as usize].clone())
}).collect();
let outputs = receive.scan_transaction(&prevs, &tx);
let output = outputs.iter().next().unwrap();
// Spend
let vout = tx.output.iter().position(|o| o.value == 10000000).unwrap() as u32;
let addr4 = client.get_new_address(None, None).unwrap().require_network(Network::Regtest).unwrap();
let spending_tx = client
.create_raw_transaction(
&[CreateRawTransactionInput { txid: tx.txid(), vout, sequence: None }],
&[(addr4.to_string(), Amount::from_btc(0.07).unwrap())].into_iter().collect(),
None,
None
).unwrap();
let funded = client.fund_raw_transaction(&spending_tx, None, None).unwrap();
let keypair = spend::signing_keypair(spend_key, output.tweak(), output.label());
let signed = client
.sign_raw_transaction_with_key(
&funded.hex,
&[PrivateKey::new(keypair.secret_key(), Network::Regtest)],
None,
None
).unwrap();
let txid = client.send_raw_transaction(&signed.hex).unwrap();
client.generate_to_address(10, &addr).unwrap();
let tx = client.get_raw_transaction_info(&txid, None).unwrap().transaction().unwrap();
assert!(tx.output.iter().any(|o| o.value == (0.07 * 1e8) as u64));
}
*/