// Rust Bitcoin Library
// Written by
//   The Rust Bitcoin developers
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to
// the public domain worldwide. This software is distributed without
// any warranty.
//
// You should have received a copy of the CC0 Public Domain Dedication
// along with this software.
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
//

//! Partially Signed Bitcoin Transactions.
//!
//! Implementation of BIP174 Partially Signed Bitcoin Transaction Format as
//! defined at <https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki>
//! except we define PSBTs containing non-standard SigHash types as invalid.
//!

use core::cmp;

use blockdata::script::Script;
use blockdata::transaction::Transaction;
use consensus::{encode, Encodable, Decodable};
use consensus::encode::MAX_VEC_SIZE;

use prelude::*;

use io;

mod error;
pub use self::error::Error;

pub mod raw;

#[macro_use]
mod macros;

pub mod serialize;

mod map;
pub use self::map::{Input, Output, TapTree, PsbtSigHashType};
use self::map::Map;

use util::bip32::{ExtendedPubKey, KeySource};

/// A Partially Signed Transaction.
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct PartiallySignedTransaction {
    /// The unsigned transaction, scriptSigs and witnesses for each input must be
    /// empty.
    pub unsigned_tx: Transaction,
    /// The version number of this PSBT. If omitted, the version number is 0.
    pub version: u32,
    /// A global map from extended public keys to the used key fingerprint and
    /// derivation path as defined by BIP 32
    pub xpub: BTreeMap<ExtendedPubKey, KeySource>,
    /// Global proprietary key-value pairs.
    #[cfg_attr(feature = "serde", serde(with = "::serde_utils::btreemap_as_seq_byte_values"))]
    pub proprietary: BTreeMap<raw::ProprietaryKey, Vec<u8>>,
    /// Unknown global key-value pairs.
    #[cfg_attr(feature = "serde", serde(with = "::serde_utils::btreemap_as_seq_byte_values"))]
    pub unknown: BTreeMap<raw::Key, Vec<u8>>,

    /// The corresponding key-value map for each input in the unsigned
    /// transaction.
    pub inputs: Vec<Input>,
    /// The corresponding key-value map for each output in the unsigned
    /// transaction.
    pub outputs: Vec<Output>,
}

impl PartiallySignedTransaction {
    /// Checks that unsigned transaction does not have scriptSig's or witness
    /// data
    fn unsigned_tx_checks(&self) -> Result<(), Error> {
        for txin in &self.unsigned_tx.input {
            if !txin.script_sig.is_empty() {
                return Err(Error::UnsignedTxHasScriptSigs);
            }

            if !txin.witness.is_empty() {
                return Err(Error::UnsignedTxHasScriptWitnesses);
            }
        }

        Ok(())
    }

    /// Create a PartiallySignedTransaction from an unsigned transaction, error
    /// if not unsigned
    pub fn from_unsigned_tx(tx: Transaction) -> Result<Self, Error> {
        let psbt = PartiallySignedTransaction {
            inputs: vec![Default::default(); tx.input.len()],
            outputs: vec![Default::default(); tx.output.len()],

            unsigned_tx: tx,
            xpub: Default::default(),
            version: 0,
            proprietary: Default::default(),
            unknown: Default::default(),
        };
        psbt.unsigned_tx_checks()?;
        Ok(psbt)
    }

    /// Extract the Transaction from a PartiallySignedTransaction by filling in
    /// the available signature information in place.
    pub fn extract_tx(self) -> Transaction {
        let mut tx: Transaction = self.unsigned_tx;

        for (vin, psbtin) in tx.input.iter_mut().zip(self.inputs.into_iter()) {
            vin.script_sig = psbtin.final_script_sig.unwrap_or_else(Script::new);
            vin.witness = psbtin.final_script_witness.unwrap_or_default();
        }

        tx
    }

    /// Combines this [`PartiallySignedTransaction`] with `other` PSBT as described by BIP 174.
    ///
    /// In accordance with BIP 174 this function is commutative i.e., `A.combine(B) == B.combine(A)`
    pub fn combine(&mut self, other: Self) -> Result<(), Error> {
        if self.unsigned_tx != other.unsigned_tx {
            return Err(Error::UnexpectedUnsignedTx {
                expected: Box::new(self.unsigned_tx.clone()),
                actual: Box::new(other.unsigned_tx),
            });
        }

        // BIP 174: The Combiner must remove any duplicate key-value pairs, in accordance with
        //          the specification. It can pick arbitrarily when conflicts occur.

        // Keeping the highest version
        self.version = cmp::max(self.version, other.version);

        // Merging xpubs
        for (xpub, (fingerprint1, derivation1)) in other.xpub {
            match self.xpub.entry(xpub) {
                btree_map::Entry::Vacant(entry) => {
                    entry.insert((fingerprint1, derivation1));
                },
                btree_map::Entry::Occupied(mut entry) => {
                    // Here in case of the conflict we select the version with algorithm:
                    // 1) if everything is equal we do nothing
                    // 2) report an error if
                    //    - derivation paths are equal and fingerprints are not
                    //    - derivation paths are of the same length, but not equal
                    //    - derivation paths has different length, but the shorter one
                    //      is not the strict suffix of the longer one
                    // 3) choose longest derivation otherwise

                    let (fingerprint2, derivation2) = entry.get().clone();

                    if (derivation1 == derivation2 && fingerprint1 == fingerprint2) ||
                        (derivation1.len() < derivation2.len() && derivation1[..] == derivation2[derivation2.len() - derivation1.len()..])
                    {
                        continue
                    }
                    else if derivation2[..] == derivation1[derivation1.len() - derivation2.len()..]
                    {
                        entry.insert((fingerprint1, derivation1));
                        continue
                    }
                    return Err(Error::CombineInconsistentKeySources(xpub));
                }
            }
        }

        self.proprietary.extend(other.proprietary);
        self.unknown.extend(other.unknown);

        for (self_input, other_input) in self.inputs.iter_mut().zip(other.inputs.into_iter()) {
            self_input.combine(other_input);
        }

        for (self_output, other_output) in self.outputs.iter_mut().zip(other.outputs.into_iter()) {
            self_output.combine(other_output);
        }

        Ok(())
    }
}

#[cfg(feature = "base64")]
mod display_from_str {
    use super::PartiallySignedTransaction;
    use core::fmt::{Display, Formatter, self};
    use core::str::FromStr;
    use consensus::encode::{Error, self};
    use ::base64::display::Base64Display;

    /// Error happening during PSBT decoding from Base64 string
    #[derive(Debug)]
    #[cfg_attr(docsrs, doc(cfg(feature = "base64")))]
    pub enum PsbtParseError {
        /// Error in internal PSBT data structure
        PsbtEncoding(Error),
        /// Error in PSBT Base64 encoding
        Base64Encoding(::base64::DecodeError)
    }

    impl Display for PsbtParseError {
        fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
            match self {
                PsbtParseError::PsbtEncoding(err) => Display::fmt(err, f),
                PsbtParseError::Base64Encoding(err) => Display::fmt(err, f),
            }
        }
    }

    #[cfg(feature = "std")]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    impl ::std::error::Error for PsbtParseError { }

    #[cfg_attr(docsrs, doc(cfg(feature = "base64")))]
    impl Display for PartiallySignedTransaction {
        fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
            write!(f, "{}", Base64Display::with_config(&encode::serialize(self), ::base64::STANDARD))
        }
    }

    #[cfg_attr(docsrs, doc(cfg(feature = "base64")))]
    impl FromStr for PartiallySignedTransaction {
        type Err = PsbtParseError;

        fn from_str(s: &str) -> Result<Self, Self::Err> {
            let data = ::base64::decode(s).map_err(PsbtParseError::Base64Encoding)?;
            Ok(encode::deserialize(&data).map_err(PsbtParseError::PsbtEncoding)?)
        }
    }
}
#[cfg(feature = "base64")]
#[cfg_attr(docsrs, doc(cfg(feature = "base64")))]
pub use self::display_from_str::PsbtParseError;

impl Encodable for PartiallySignedTransaction {
    fn consensus_encode<S: io::Write>(
        &self,
        mut s: S,
    ) -> Result<usize, io::Error> {
        let mut len = 0;
        len += b"psbt".consensus_encode(&mut s)?;

        len += 0xff_u8.consensus_encode(&mut s)?;

        len += self.consensus_encode_map(&mut s)?;

        for i in &self.inputs {
            len += i.consensus_encode(&mut s)?;
        }

        for i in &self.outputs {
            len += i.consensus_encode(&mut s)?;
        }

        Ok(len)
    }
}

impl Decodable for PartiallySignedTransaction {
    fn consensus_decode<D: io::Read>(d: D) -> Result<Self, encode::Error> {
        let mut d = d.take(MAX_VEC_SIZE as u64);
        let magic: [u8; 4] = Decodable::consensus_decode(&mut d)?;

        if *b"psbt" != magic {
            return Err(Error::InvalidMagic.into());
        }

        if 0xff_u8 != u8::consensus_decode(&mut d)? {
            return Err(Error::InvalidSeparator.into());
        }

        let mut global = PartiallySignedTransaction::consensus_decode_global(&mut d)?;
        global.unsigned_tx_checks()?;

        let inputs: Vec<Input> = {
            let inputs_len: usize = (&global.unsigned_tx.input).len();

            let mut inputs: Vec<Input> = Vec::with_capacity(inputs_len);

            for _ in 0..inputs_len {
                inputs.push(Decodable::consensus_decode(&mut d)?);
            }

            inputs
        };

        let outputs: Vec<Output> = {
            let outputs_len: usize = (&global.unsigned_tx.output).len();

            let mut outputs: Vec<Output> = Vec::with_capacity(outputs_len);

            for _ in 0..outputs_len {
                outputs.push(Decodable::consensus_decode(&mut d)?);
            }

            outputs
        };

        global.inputs = inputs;
        global.outputs = outputs;
        Ok(global)
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    use hashes::hex::FromHex;
    use hashes::{sha256, hash160, Hash, ripemd160};
    use hash_types::Txid;

    use secp256k1::{Secp256k1, self};

    use blockdata::script::Script;
    use blockdata::transaction::{Transaction, TxIn, TxOut, OutPoint};
    use network::constants::Network::Bitcoin;
    use consensus::encode::{deserialize, serialize, serialize_hex};
    use util::bip32::{ChildNumber, ExtendedPrivKey, ExtendedPubKey, Fingerprint, KeySource};
    use util::psbt::map::{Output, Input};
    use util::psbt::raw;

    use std::collections::BTreeMap;
    use blockdata::witness::Witness;

    #[test]
    fn trivial_psbt() {
        let psbt = PartiallySignedTransaction {
            unsigned_tx: Transaction {
                version: 2,
                lock_time: 0,
                input: vec![],
                output: vec![],
            },
            xpub: Default::default(),
            version: 0,
            proprietary: BTreeMap::new(),
            unknown: BTreeMap::new(),

            inputs: vec![],
            outputs: vec![],
        };
        assert_eq!(
            serialize_hex(&psbt),
            "70736274ff01000a0200000000000000000000"
        );
    }

    #[test]
   fn psbt_uncompressed_key() {

       let psbt: PartiallySignedTransaction = hex_psbt!("70736274ff01003302000000010000000000000000000000000000000000000000000000000000000000000000ffffffff00ffffffff000000000000420204bb0d5d0cca36e7b9c80f63bc04c1240babb83bcd2803ef7ac8b6e2af594291daec281e856c98d210c5ab14dfd5828761f8ee7d5f45ca21ad3e4c4b41b747a3a047304402204f67e2afb76142d44fae58a2495d33a3419daa26cd0db8d04f3452b63289ac0f022010762a9fb67e94cc5cad9026f6dc99ff7f070f4278d30fbc7d0c869dd38c7fe70100").unwrap();

       assert!(psbt.inputs[0].partial_sigs.len() == 1);
       let pk = psbt.inputs[0].partial_sigs.iter().next().unwrap().0;
       assert!(!pk.compressed);
   }

    #[test]
    fn serialize_then_deserialize_output() {
        let secp = &Secp256k1::new();
        let seed = Vec::from_hex("000102030405060708090a0b0c0d0e0f").unwrap();

        let mut hd_keypaths: BTreeMap<secp256k1::PublicKey, KeySource> = Default::default();

        let mut sk: ExtendedPrivKey = ExtendedPrivKey::new_master(Bitcoin, &seed).unwrap();

        let fprint: Fingerprint = sk.fingerprint(&secp);

        let dpath: Vec<ChildNumber> = vec![
            ChildNumber::from_normal_idx(0).unwrap(),
            ChildNumber::from_normal_idx(1).unwrap(),
            ChildNumber::from_normal_idx(2).unwrap(),
            ChildNumber::from_normal_idx(4).unwrap(),
            ChildNumber::from_normal_idx(42).unwrap(),
            ChildNumber::from_hardened_idx(69).unwrap(),
            ChildNumber::from_normal_idx(420).unwrap(),
            ChildNumber::from_normal_idx(31337).unwrap(),
        ];

        sk = sk.derive_priv(secp, &dpath).unwrap();

        let pk: ExtendedPubKey = ExtendedPubKey::from_priv(&secp, &sk);

        hd_keypaths.insert(pk.public_key, (fprint, dpath.into()));

        let expected: Output = Output {
            redeem_script: Some(hex_script!(
                "76a914d0c59903c5bac2868760e90fd521a4665aa7652088ac"
            )),
            witness_script: Some(hex_script!(
                "a9143545e6e33b832c47050f24d3eeb93c9c03948bc787"
            )),
            bip32_derivation: hd_keypaths,
            ..Default::default()
        };

        let actual: Output = deserialize(&serialize(&expected)).unwrap();

        assert_eq!(expected, actual);
    }

    #[test]
    fn serialize_then_deserialize_global() {
        let expected = PartiallySignedTransaction {
            unsigned_tx: Transaction {
                version: 2,
                lock_time: 1257139,
                input: vec![TxIn {
                    previous_output: OutPoint {
                        txid: Txid::from_hex(
                            "f61b1742ca13176464adb3cb66050c00787bb3a4eead37e985f2df1e37718126",
                        ).unwrap(),
                        vout: 0,
                    },
                    script_sig: Script::new(),
                    sequence: 4294967294,
                    witness: Witness::default(),
                }],
                output: vec![
                    TxOut {
                        value: 99999699,
                        script_pubkey: hex_script!(
                            "76a914d0c59903c5bac2868760e90fd521a4665aa7652088ac"
                        ),
                    },
                    TxOut {
                        value: 100000000,
                        script_pubkey: hex_script!(
                            "a9143545e6e33b832c47050f24d3eeb93c9c03948bc787"
                        ),
                    },
                ],
            },
            xpub: Default::default(),
            version: 0,
            proprietary: Default::default(),
            unknown: Default::default(),
            inputs: vec![
                Input::default(),
            ],
            outputs: vec![
                Output::default(),
                Output::default()
            ]
        };

        let actual: PartiallySignedTransaction = deserialize(&serialize(&expected)).unwrap();

        assert_eq!(expected, actual);
    }

    #[test]
    fn serialize_then_deserialize_psbtkvpair() {
        let expected = raw::Pair {
            key: raw::Key {
                type_value: 0u8,
                key: vec![42u8, 69u8],
            },
            value: vec![69u8, 42u8, 4u8],
        };

        let actual: raw::Pair = deserialize(&serialize(&expected)).unwrap();

        assert_eq!(expected, actual);
    }

    #[test]
    fn deserialize_and_serialize_psbt_with_two_partial_sigs() {
        let hex = "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";
        let psbt: PartiallySignedTransaction = hex_psbt!(hex).unwrap();
        assert_eq!(hex, serialize_hex(&psbt));
    }

    #[cfg(feature = "serde")]
    #[test]
    fn test_serde_psbt() {
        //! Create a full PSBT value with various fields filled and make sure it can be JSONized.
        use hashes::sha256d;
        use util::psbt::map::Input;
        use EcdsaSigHashType;

        // create some values to use in the PSBT
        let tx = Transaction {
            version: 1,
            lock_time: 0,
            input: vec![TxIn {
                previous_output: OutPoint {
                    txid: Txid::from_hex("e567952fb6cc33857f392efa3a46c995a28f69cca4bb1b37e0204dab1ec7a389").unwrap(),
                    vout: 1,
                },
                script_sig: hex_script!("160014be18d152a9b012039daf3da7de4f53349eecb985"),
                sequence: 4294967295,
                witness: Witness::from_vec(vec![Vec::from_hex("03d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f2105").unwrap()]),
            }],
            output: vec![
                TxOut {
                    value: 190303501938,
                    script_pubkey: hex_script!("a914339725ba21efd62ac753a9bcd067d6c7a6a39d0587"),
                },
            ],
        };
        let unknown: BTreeMap<raw::Key, Vec<u8>> = vec![(
            raw::Key { type_value: 1, key: vec![0, 1] },
            vec![3, 4 ,5],
        )].into_iter().collect();
        let key_source = ("deadbeef".parse().unwrap(), "m/0'/1".parse().unwrap());
        let keypaths: BTreeMap<secp256k1::PublicKey, KeySource> = vec![(
            "0339880dc92394b7355e3d0439fa283c31de7590812ea011c4245c0674a685e883".parse().unwrap(),
            key_source.clone(),
        )].into_iter().collect();

        let proprietary: BTreeMap<raw::ProprietaryKey, Vec<u8>> = vec![(
            raw::ProprietaryKey {
                prefix: "prefx".as_bytes().to_vec(),
                subtype: 42,
                key: "test_key".as_bytes().to_vec(),
            },
            vec![5, 6, 7],
        )].into_iter().collect();

        let psbt = PartiallySignedTransaction {
            version: 0,
            xpub: {
                let xpub: ExtendedPubKey =
                    "xpub661MyMwAqRbcGoRVtwfvzZsq2VBJR1LAHfQstHUoxqDorV89vRoMxUZ27kLrraAj6MPi\
                    QfrDb27gigC1VS1dBXi5jGpxmMeBXEkKkcXUTg4".parse().unwrap();
                vec![(xpub, key_source.clone())].into_iter().collect()
            },
            unsigned_tx: {
                let mut unsigned = tx.clone();
                unsigned.input[0].script_sig = Script::new();
                unsigned.input[0].witness = Witness::default();
                unsigned
            },
            proprietary: proprietary.clone(),
            unknown: unknown.clone(),

            inputs: vec![Input {
                non_witness_utxo: Some(tx),
                witness_utxo: Some(TxOut {
                    value: 190303501938,
                    script_pubkey: hex_script!("a914339725ba21efd62ac753a9bcd067d6c7a6a39d0587"),
                }),
                sighash_type: Some("SIGHASH_SINGLE|SIGHASH_ANYONECANPAY".parse::<EcdsaSigHashType>().unwrap().into()),
                redeem_script: Some(vec![0x51].into()),
                witness_script: None,
                partial_sigs: vec![(
                    "0339880dc92394b7355e3d0439fa283c31de7590812ea011c4245c0674a685e883".parse().unwrap(),
                    "304402204f67e2afb76142d44fae58a2495d33a3419daa26cd0db8d04f3452b63289ac0f022010762a9fb67e94cc5cad9026f6dc99ff7f070f4278d30fbc7d0c869dd38c7fe701".parse().unwrap(),
                )].into_iter().collect(),
                bip32_derivation: keypaths.clone(),
                final_script_witness: Some(Witness::from_vec(vec![vec![1, 3], vec![5]])),
                ripemd160_preimages: vec![(ripemd160::Hash::hash(&[]), vec![1, 2])].into_iter().collect(),
                sha256_preimages: vec![(sha256::Hash::hash(&[]), vec![1, 2])].into_iter().collect(),
                hash160_preimages: vec![(hash160::Hash::hash(&[]), vec![1, 2])].into_iter().collect(),
                hash256_preimages: vec![(sha256d::Hash::hash(&[]), vec![1, 2])].into_iter().collect(),
                proprietary: proprietary.clone(),
                unknown: unknown.clone(),
                ..Default::default()
            }],
            outputs: vec![Output {
                bip32_derivation: keypaths,
                proprietary: proprietary.clone(),
                unknown: unknown.clone(),
                ..Default::default()
            }],
        };
        let encoded = ::serde_json::to_string(&psbt).unwrap();
        let decoded: PartiallySignedTransaction = ::serde_json::from_str(&encoded).unwrap();
        assert_eq!(psbt, decoded);
    }

    mod bip_vectors {
        #[cfg(feature = "base64")]
        use std::str::FromStr;

        use hashes::hex::FromHex;
        use hash_types::Txid;

        use blockdata::script::Script;
        use blockdata::transaction::{EcdsaSigHashType, Transaction, TxIn, TxOut, OutPoint};
        use consensus::encode::serialize_hex;
        use util::psbt::map::{Map, Input, Output};
        use util::psbt::raw;
        use util::psbt::{PartiallySignedTransaction, Error};
        use std::collections::BTreeMap;
        use blockdata::witness::Witness;

        #[test]
        #[should_panic(expected = "InvalidMagic")]
        fn invalid_vector_1() {
            hex_psbt!("0200000001268171371edff285e937adeea4b37b78000c0566cbb3ad64641713ca42171bf6000000006a473044022070b2245123e6bf474d60c5b50c043d4c691a5d2435f09a34a7662a9dc251790a022001329ca9dacf280bdf30740ec0390422422c81cb45839457aeb76fc12edd95b3012102657d118d3357b8e0f4c2cd46db7b39f6d9c38d9a70abcb9b2de5dc8dbfe4ce31feffffff02d3dff505000000001976a914d0c59903c5bac2868760e90fd521a4665aa7652088ac00e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787b32e1300").unwrap();
        }

        #[cfg(feature = "base64")]
        #[test]
        #[should_panic(expected = "InvalidMagic")]
        fn invalid_vector_1_base64() {
            PartiallySignedTransaction::from_str("AgAAAAEmgXE3Ht/yhek3re6ks3t4AAwFZsuzrWRkFxPKQhcb9gAAAABqRzBEAiBwsiRRI+a/R01gxbUMBD1MaRpdJDXwmjSnZiqdwlF5CgIgATKcqdrPKAvfMHQOwDkEIkIsgctFg5RXrrdvwS7dlbMBIQJlfRGNM1e44PTCzUbbezn22cONmnCry5st5dyNv+TOMf7///8C09/1BQAAAAAZdqkU0MWZA8W6woaHYOkP1SGkZlqnZSCIrADh9QUAAAAAF6kUNUXm4zuDLEcFDyTT7rk8nAOUi8eHsy4TAA==").unwrap();
        }

        #[test]
        #[should_panic(expected = "ConsensusEncoding")]
        fn invalid_vector_2() {
            hex_psbt!("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")
                // This weird thing is necessary since rustc 0.29 prints out I/O error in a different format than later versions
                .map_err(Error::from)
                .unwrap();
        }

        #[cfg(feature = "base64")]
        #[test]
        #[should_panic(expected = "ConsensusEncoding")]
        fn invalid_vector_2_base64() {
            use util::psbt::PsbtParseError;
            PartiallySignedTransaction::from_str("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")
                // This weird thing is necessary since rustc 0.29 prints out I/O error in a different format than later versions
                .map_err(|err| match err {
                    PsbtParseError::PsbtEncoding(err) => err,
                    PsbtParseError::Base64Encoding(_) => panic!("PSBT Base64 decoding failed")
                })
                .map_err(Error::from)
                .unwrap();
        }

        #[test]
        #[should_panic(expected = "UnsignedTxHasScriptSigs")]
        fn invalid_vector_3() {
            hex_psbt!("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").unwrap();
        }

        #[cfg(feature = "base64")]
        #[test]
        #[should_panic(expected = "UnsignedTxHasScriptSigs")]
        fn invalid_vector_3_base64() {
            PartiallySignedTransaction::from_str("cHNidP8BAP0KAQIAAAACqwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QAAAAAakcwRAIgR1lmF5fAGwNrJZKJSGhiGDR9iYZLcZ4ff89X0eURZYcCIFMJ6r9Wqk2Ikf/REf3xM286KdqGbX+EhtdVRs7tr5MZASEDXNxh/HupccC1AaZGoqg7ECy0OIEhfKaC3Ibi1z+ogpL+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAABASAA4fUFAAAAABepFDVF5uM7gyxHBQ8k0+65PJwDlIvHhwEEFgAUhdE1N/LiZUBaNNuvqePdoB+4IwgAAAA=").unwrap();
        }

        #[test]
        #[should_panic(expected = "MustHaveUnsignedTx")]
        fn invalid_vector_4() {
            hex_psbt!("70736274ff000100fda5010100000000010289a3c71eab4d20e0371bbba4cc698fa295c9463afa2e397f8533ccb62f9567e50100000017160014be18d152a9b012039daf3da7de4f53349eecb985ffffffff86f8aa43a71dff1448893a530a7237ef6b4608bbb2dd2d0171e63aec6a4890b40100000017160014fe3e9ef1a745e974d902c4355943abcb34bd5353ffffffff0200c2eb0b000000001976a91485cff1097fd9e008bb34af709c62197b38978a4888ac72fef84e2c00000017a914339725ba21efd62ac753a9bcd067d6c7a6a39d05870247304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c012103d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f210502483045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01210223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab30000000000").unwrap();
        }

        #[cfg(feature = "base64")]
        #[test]
        #[should_panic(expected = "MustHaveUnsignedTx")]
        fn invalid_vector_4_base64() {
            PartiallySignedTransaction::from_str("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").unwrap();
        }

        #[test]
        #[should_panic(expected = "DuplicateKey(Key { type_value: 0, key: [] })")]
        fn invalid_vector_5() {
            hex_psbt!("70736274ff0100750200000001268171371edff285e937adeea4b37b78000c0566cbb3ad64641713ca42171bf60000000000feffffff02d3dff505000000001976a914d0c59903c5bac2868760e90fd521a4665aa7652088ac00e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787b32e1300000100fda5010100000000010289a3c71eab4d20e0371bbba4cc698fa295c9463afa2e397f8533ccb62f9567e50100000017160014be18d152a9b012039daf3da7de4f53349eecb985ffffffff86f8aa43a71dff1448893a530a7237ef6b4608bbb2dd2d0171e63aec6a4890b40100000017160014fe3e9ef1a745e974d902c4355943abcb34bd5353ffffffff0200c2eb0b000000001976a91485cff1097fd9e008bb34af709c62197b38978a4888ac72fef84e2c00000017a914339725ba21efd62ac753a9bcd067d6c7a6a39d05870247304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c012103d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f210502483045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01210223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab30000000001003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a010000000000000000").unwrap();
        }

        #[cfg(feature = "base64")]
        #[test]
        #[should_panic(expected = "DuplicateKey(Key { type_value: 0, key: [] })")]
        fn invalid_vector_5_base64() {
            PartiallySignedTransaction::from_str("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").unwrap();
        }

        #[test]
        fn valid_vector_1() {
            let unserialized = PartiallySignedTransaction {
                unsigned_tx: Transaction {
                    version: 2,
                    lock_time: 1257139,
                    input: vec![TxIn {
                        previous_output: OutPoint {
                            txid: Txid::from_hex(
                                "f61b1742ca13176464adb3cb66050c00787bb3a4eead37e985f2df1e37718126",
                            ).unwrap(),
                            vout: 0,
                        },
                        script_sig: Script::new(),
                        sequence: 4294967294,
                        witness: Witness::default(),
                    }],
                    output: vec![
                        TxOut {
                            value: 99999699,
                            script_pubkey: hex_script!("76a914d0c59903c5bac2868760e90fd521a4665aa7652088ac"),
                        },
                        TxOut {
                            value: 100000000,
                            script_pubkey: hex_script!("a9143545e6e33b832c47050f24d3eeb93c9c03948bc787"),
                        },
                    ],
                },
                xpub: Default::default(),
                version: 0,
                proprietary: BTreeMap::new(),
                unknown: BTreeMap::new(),

                inputs: vec![Input {
                    non_witness_utxo: Some(Transaction {
                        version: 1,
                        lock_time: 0,
                        input: vec![TxIn {
                            previous_output: OutPoint {
                                txid: Txid::from_hex(
                                    "e567952fb6cc33857f392efa3a46c995a28f69cca4bb1b37e0204dab1ec7a389",
                                ).unwrap(),
                                vout: 1,
                            },
                            script_sig: hex_script!("160014be18d152a9b012039daf3da7de4f53349eecb985"),
                            sequence: 4294967295,
                            witness: Witness::from_vec(vec![
                                Vec::from_hex("304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c01").unwrap(),
                                Vec::from_hex("03d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f2105").unwrap(),
                            ]),
                        },
                        TxIn {
                            previous_output: OutPoint {
                                txid: Txid::from_hex(
                                    "b490486aec3ae671012dddb2bb08466bef37720a533a894814ff1da743aaf886",
                                ).unwrap(),
                                vout: 1,
                            },
                            script_sig: hex_script!("160014fe3e9ef1a745e974d902c4355943abcb34bd5353"),
                            sequence: 4294967295,
                            witness: Witness::from_vec(vec![
                                Vec::from_hex("3045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01").unwrap(),
                                Vec::from_hex("0223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab3").unwrap(),
                            ]),
                        }],
                        output: vec![
                            TxOut {
                                value: 200000000,
                                script_pubkey: hex_script!("76a91485cff1097fd9e008bb34af709c62197b38978a4888ac"),
                            },
                            TxOut {
                                value: 190303501938,
                                script_pubkey: hex_script!("a914339725ba21efd62ac753a9bcd067d6c7a6a39d0587"),
                            },
                        ],
                    }),
                    ..Default::default()
                },],
                outputs: vec![
                    Output {
                        ..Default::default()
                    },
                    Output {
                        ..Default::default()
                    },
                ],
            };

            let base16str = "70736274ff0100750200000001268171371edff285e937adeea4b37b78000c0566cbb3ad64641713ca42171bf60000000000feffffff02d3dff505000000001976a914d0c59903c5bac2868760e90fd521a4665aa7652088ac00e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787b32e1300000100fda5010100000000010289a3c71eab4d20e0371bbba4cc698fa295c9463afa2e397f8533ccb62f9567e50100000017160014be18d152a9b012039daf3da7de4f53349eecb985ffffffff86f8aa43a71dff1448893a530a7237ef6b4608bbb2dd2d0171e63aec6a4890b40100000017160014fe3e9ef1a745e974d902c4355943abcb34bd5353ffffffff0200c2eb0b000000001976a91485cff1097fd9e008bb34af709c62197b38978a4888ac72fef84e2c00000017a914339725ba21efd62ac753a9bcd067d6c7a6a39d05870247304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c012103d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f210502483045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01210223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab300000000000000";

            assert_eq!(serialize_hex(&unserialized), base16str);
            assert_eq!(unserialized, hex_psbt!(base16str).unwrap());

            #[cfg(feature = "base64")] {
                let base64str = "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";
                assert_eq!(PartiallySignedTransaction::from_str(base64str).unwrap(), unserialized);
                assert_eq!(base64str, unserialized.to_string());
                assert_eq!(PartiallySignedTransaction::from_str(base64str).unwrap(), hex_psbt!(base16str).unwrap());
            }
        }

        #[test]
        fn valid_vector_2() {
            let psbt: PartiallySignedTransaction = hex_psbt!("70736274ff0100a00200000002ab0949a08c5af7c49b8212f417e2f15ab3f5c33dcf153821a8139f877a5b7be40000000000feffffffab0949a08c5af7c49b8212f417e2f15ab3f5c33dcf153821a8139f877a5b7be40100000000feffffff02603bea0b000000001976a914768a40bbd740cbe81d988e71de2a4d5c71396b1d88ac8e240000000000001976a9146f4620b553fa095e721b9ee0efe9fa039cca459788ac000000000001076a47304402204759661797c01b036b25928948686218347d89864b719e1f7fcf57d1e511658702205309eabf56aa4d8891ffd111fdf1336f3a29da866d7f8486d75546ceedaf93190121035cdc61fc7ba971c0b501a646a2a83b102cb43881217ca682dc86e2d73fa882920001012000e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787010416001485d13537f2e265405a34dbafa9e3dda01fb82308000000").unwrap();

            assert_eq!(psbt.inputs.len(), 2);
            assert_eq!(psbt.outputs.len(), 2);

            assert!(&psbt.inputs[0].final_script_sig.is_some());

            let redeem_script: &Script = &psbt.inputs[1].redeem_script.as_ref().unwrap();
            let expected_out = hex_script!("a9143545e6e33b832c47050f24d3eeb93c9c03948bc787");

            assert!(redeem_script.is_v0_p2wpkh());
            assert_eq!(
                redeem_script.to_p2sh(),
                psbt.inputs[1].witness_utxo.as_ref().unwrap().script_pubkey
            );
            assert_eq!(redeem_script.to_p2sh(), expected_out);

            for output in psbt.outputs {
                assert_eq!(output.get_pairs().unwrap().len(), 0)
            }
        }

        #[test]
        fn valid_vector_3() {
            let psbt: PartiallySignedTransaction = hex_psbt!("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").unwrap();

            assert_eq!(psbt.inputs.len(), 1);
            assert_eq!(psbt.outputs.len(), 2);

            let tx_input = &psbt.unsigned_tx.input[0];
            let psbt_non_witness_utxo = (&psbt.inputs[0].non_witness_utxo).as_ref().unwrap();

            assert_eq!(tx_input.previous_output.txid, psbt_non_witness_utxo.txid());
            assert!(
                psbt_non_witness_utxo.output[tx_input.previous_output.vout as usize]
                    .script_pubkey
                    .is_p2pkh()
            );
            assert_eq!(
                (&psbt.inputs[0].sighash_type).as_ref().unwrap().ecdsa_hash_ty().unwrap(),
                EcdsaSigHashType::All
            );
        }

        #[test]
        fn valid_vector_4() {
            let psbt: PartiallySignedTransaction = hex_psbt!("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").unwrap();

            assert_eq!(psbt.inputs.len(), 2);
            assert_eq!(psbt.outputs.len(), 2);

            assert!(&psbt.inputs[0].final_script_sig.is_none());
            assert!(&psbt.inputs[1].final_script_sig.is_none());

            let redeem_script: &Script = &psbt.inputs[1].redeem_script.as_ref().unwrap();
            let expected_out = hex_script!("a9143545e6e33b832c47050f24d3eeb93c9c03948bc787");

            assert!(redeem_script.is_v0_p2wpkh());
            assert_eq!(
                redeem_script.to_p2sh(),
                psbt.inputs[1].witness_utxo.as_ref().unwrap().script_pubkey
            );
            assert_eq!(redeem_script.to_p2sh(), expected_out);

            for output in psbt.outputs {
                assert!(output.get_pairs().unwrap().len() > 0)
            }
        }

        #[test]
        fn valid_vector_5() {
            let psbt: PartiallySignedTransaction = hex_psbt!("70736274ff0100550200000001279a2323a5dfb51fc45f220fa58b0fc13e1e3342792a85d7e36cd6333b5cbc390000000000ffffffff01a05aea0b000000001976a914ffe9c0061097cc3b636f2cb0460fa4fc427d2b4588ac0000000000010120955eea0b0000000017a9146345200f68d189e1adc0df1c4d16ea8f14c0dbeb87220203b1341ccba7683b6af4f1238cd6e97e7167d569fac47f1e48d47541844355bd4646304302200424b58effaaa694e1559ea5c93bbfd4a89064224055cdf070b6771469442d07021f5c8eb0fea6516d60b8acb33ad64ede60e8785bfb3aa94b99bdf86151db9a9a010104220020771fd18ad459666dd49f3d564e3dbc42f4c84774e360ada16816a8ed488d5681010547522103b1341ccba7683b6af4f1238cd6e97e7167d569fac47f1e48d47541844355bd462103de55d1e1dac805e3f8a58c1fbf9b94c02f3dbaafe127fefca4995f26f82083bd52ae220603b1341ccba7683b6af4f1238cd6e97e7167d569fac47f1e48d47541844355bd4610b4a6ba67000000800000008004000080220603de55d1e1dac805e3f8a58c1fbf9b94c02f3dbaafe127fefca4995f26f82083bd10b4a6ba670000008000000080050000800000").unwrap();

            assert_eq!(psbt.inputs.len(), 1);
            assert_eq!(psbt.outputs.len(), 1);

            assert!(&psbt.inputs[0].final_script_sig.is_none());

            let redeem_script: &Script = &psbt.inputs[0].redeem_script.as_ref().unwrap();
            let expected_out = hex_script!("a9146345200f68d189e1adc0df1c4d16ea8f14c0dbeb87");

            assert!(redeem_script.is_v0_p2wsh());
            assert_eq!(
                redeem_script.to_p2sh(),
                psbt.inputs[0].witness_utxo.as_ref().unwrap().script_pubkey
            );

            assert_eq!(redeem_script.to_p2sh(), expected_out);
        }

        #[test]
        fn valid_vector_6() {
            let psbt: PartiallySignedTransaction = hex_psbt!("70736274ff01003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a010000000000000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f0000").unwrap();

            assert_eq!(psbt.inputs.len(), 1);
            assert_eq!(psbt.outputs.len(), 1);

            let tx = &psbt.unsigned_tx;
            assert_eq!(
                tx.txid(),
                Txid::from_hex(
                    "75c5c9665a570569ad77dd1279e6fd4628a093c4dcbf8d41532614044c14c115"
                ).unwrap()
            );

            let mut unknown: BTreeMap<raw::Key, Vec<u8>> = BTreeMap::new();
            let key: raw::Key = raw::Key {
                type_value: 0x0fu8,
                key: Vec::from_hex("010203040506070809").unwrap(),
            };
            let value: Vec<u8> = Vec::from_hex("0102030405060708090a0b0c0d0e0f").unwrap();

            unknown.insert(key, value);

            assert_eq!(psbt.inputs[0].unknown, unknown)
        }
    }

    mod bip_371_vectors {
        use super::*;
        use super::serialize;


        #[test]
        fn invalid_vectors() {
            let err = hex_psbt!("70736274ff010071020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff02787c01000000000016001483a7e34bd99ff03a4962ef8a1a101bb295461ece606b042a010000001600147ac369df1b20e033d6116623957b0ac49f3c52e8000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a075701172102fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa232000000").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid xonly public key");
            let err = hex_psbt!("70736274ff010071020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff02787c01000000000016001483a7e34bd99ff03a4962ef8a1a101bb295461ece606b042a010000001600147ac369df1b20e033d6116623957b0ac49f3c52e8000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757011342173bb3d36c074afb716fec6307a069a2e450b995f3c82785945ab8df0e24260dcd703b0cbf34de399184a9481ac2b3586db6601f026a77f7e4938481bc34751701aa000000").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid Schnorr signature length");
            let err = hex_psbt!("70736274ff010071020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff02787c01000000000016001483a7e34bd99ff03a4962ef8a1a101bb295461ece606b042a010000001600147ac369df1b20e033d6116623957b0ac49f3c52e8000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757221602fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa2321900772b2da75600008001000080000000800100000000000000000000").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid xonly public key");
            let err = hex_psbt!("70736274ff01007d020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff02887b0100000000001600142382871c7e8421a00093f754d91281e675874b9f606b042a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757000001052102fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa23200").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid xonly public key");
            let err = hex_psbt!("70736274ff01007d020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff02887b0100000000001600142382871c7e8421a00093f754d91281e675874b9f606b042a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a07570000220702fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa2321900772b2da7560000800100008000000080010000000000000000").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid xonly public key");
            let err = hex_psbt!("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").unwrap_err();
            assert_eq!(err.to_string(), "PSBT error: Hash Parse Error: bad slice length 33 (expected 32)");
            let err = hex_psbt!("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").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid Schnorr signature length");
            let err = hex_psbt!("70736274ff01005e02000000019bd48765230bf9a72e662001f972556e54f0c6f97feb56bcb5600d817f6995260100000000ffffffff0148e6052a01000000225120030da4fce4f7db28c2cb2951631e003713856597fe963882cb500e68112cca63000000000001012b00f2052a01000000225120c2247efbfd92ac47f6f40b8d42d169175a19fa9fa10e4a25d7f35eb4dd85b69241142cb13ac68248de806aa6a3659cf3c03eb6821d09c8114a4e868febde865bb6d2cd970e15f53fc0c82f950fd560ffa919b76172be017368a89913af074f400b093989756aa3739ccc689ec0fcf3a360be32cc0b59b16e93a1e8bb4605726b2ca7a3ff706c4176649632b2cc68e1f912b8a578e3719ce7710885c7a966f49bcd43cb0000").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid Schnorr signature length");
            let err = hex_psbt!("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").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid control block");
            let err = hex_psbt!("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").unwrap_err();
            assert_eq!(err.to_string(), "parse failed: Invalid control block");
        }

        fn rtt_psbt(psbt: PartiallySignedTransaction) {
            let enc = serialize(&psbt);
            let psbt2 = deserialize::<PartiallySignedTransaction>(&enc).unwrap();
            assert_eq!(psbt, psbt2);
        }

        #[test]
        fn valid_psbt_vectors() {
            let psbt = hex_psbt!("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").unwrap();
            let internal_key = psbt.inputs[0].tap_internal_key.unwrap();
            assert!(psbt.inputs[0].tap_key_origins.contains_key(&internal_key));
            rtt_psbt(psbt);

            // vector 2
            let psbt = hex_psbt!("70736274ff010052020000000127744ababf3027fe0d6cf23a96eee2efb188ef52301954585883e69b6624b2420000000000ffffffff0148e6052a01000000160014768e1eeb4cf420866033f80aceff0f9720744969000000000001012b00f2052a010000002251205a2c2cf5b52cf31f83ad2e8da63ff03183ecd8f609c7510ae8a48e03910a0757011340bb53ec917bad9d906af1ba87181c48b86ace5aae2b53605a725ca74625631476fc6f5baedaf4f2ee0f477f36f58f3970d5b8273b7e497b97af2e3f125c97af342116fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa2321900772b2da75600008001000080000000800100000000000000011720fe349064c98d6e2a853fa3c9b12bd8b304a19c195c60efa7ee2393046d3fa232002202036b772a6db74d8753c98a827958de6c78ab3312109f37d3e0304484242ece73d818772b2da7540000800100008000000080000000000000000000").unwrap();
            let internal_key = psbt.inputs[0].tap_internal_key.unwrap();
            assert!(psbt.inputs[0].tap_key_origins.contains_key(&internal_key));
            assert!(psbt.inputs[0].tap_key_sig.is_some());
            rtt_psbt(psbt);

            // vector 3
            let psbt = hex_psbt!("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").unwrap();
            let internal_key = psbt.outputs[0].tap_internal_key.unwrap();
            assert!(psbt.outputs[0].tap_key_origins.contains_key(&internal_key));
            rtt_psbt(psbt);

            // vector 4
            let psbt = hex_psbt!("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").unwrap();
            assert!(psbt.inputs[0].tap_internal_key.is_some());
            assert!(psbt.inputs[0].tap_merkle_root.is_some());
            assert!(!psbt.inputs[0].tap_key_origins.is_empty());
            assert!(!psbt.inputs[0].tap_scripts.is_empty());
            rtt_psbt(psbt);

            // vector 5
            let psbt = hex_psbt!("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").unwrap();
            assert!(psbt.outputs[0].tap_internal_key.is_some());
            assert!(!psbt.outputs[0].tap_key_origins.is_empty());
            assert!(psbt.outputs[0].tap_tree.is_some());
            rtt_psbt(psbt);

            // vector 6
            let psbt = hex_psbt!("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").unwrap();
            assert!(psbt.inputs[0].tap_internal_key.is_some());
            assert!(psbt.inputs[0].tap_merkle_root.is_some());
            assert!(!psbt.inputs[0].tap_scripts.is_empty());
            assert!(!psbt.inputs[0].tap_script_sigs.is_empty());
            assert!(!psbt.inputs[0].tap_key_origins.is_empty());
            rtt_psbt(psbt);
        }
    }

    #[test]
    fn serialize_and_deserialize_preimage_psbt(){
        // create a sha preimage map
        let mut sha256_preimages = BTreeMap::new();
        sha256_preimages.insert(sha256::Hash::hash(&[1u8, 2u8]), vec![1u8, 2u8]);
        sha256_preimages.insert(sha256::Hash::hash(&[1u8]), vec![1u8]);

        // same for hash160
        let mut hash160_preimages = BTreeMap::new();
        hash160_preimages.insert(hash160::Hash::hash(&[1u8, 2u8]), vec![1u8, 2u8]);
        hash160_preimages.insert(hash160::Hash::hash(&[1u8]), vec![1u8]);

        // same vector as valid_vector_1 from BIPs with added
        let mut unserialized = PartiallySignedTransaction {
            unsigned_tx: Transaction {
                version: 2,
                lock_time: 1257139,
                input: vec![TxIn {
                    previous_output: OutPoint {
                        txid: Txid::from_hex(
                            "f61b1742ca13176464adb3cb66050c00787bb3a4eead37e985f2df1e37718126",
                        ).unwrap(),
                        vout: 0,
                    },
                    script_sig: Script::new(),
                    sequence: 4294967294,
                    witness: Witness::default(),
                }],
                output: vec![
                    TxOut {
                        value: 99999699,
                        script_pubkey: hex_script!("76a914d0c59903c5bac2868760e90fd521a4665aa7652088ac"),
                    },
                    TxOut {
                        value: 100000000,
                        script_pubkey: hex_script!("a9143545e6e33b832c47050f24d3eeb93c9c03948bc787"),
                    },
                ],
            },
            version: 0,
            xpub: Default::default(),
            proprietary: Default::default(),
            unknown: BTreeMap::new(),

            inputs: vec![Input {
                non_witness_utxo: Some(Transaction {
                    version: 1,
                    lock_time: 0,
                    input: vec![TxIn {
                        previous_output: OutPoint {
                            txid: Txid::from_hex(
                                "e567952fb6cc33857f392efa3a46c995a28f69cca4bb1b37e0204dab1ec7a389",
                            ).unwrap(),
                            vout: 1,
                        },
                        script_sig: hex_script!("160014be18d152a9b012039daf3da7de4f53349eecb985"),
                        sequence: 4294967295,
                        witness: Witness::from_vec(vec![
                            Vec::from_hex("304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c01").unwrap(),
                            Vec::from_hex("03d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f2105").unwrap(),
                        ]),
                    },
                    TxIn {
                        previous_output: OutPoint {
                            txid: Txid::from_hex(
                                "b490486aec3ae671012dddb2bb08466bef37720a533a894814ff1da743aaf886",
                            ).unwrap(),
                            vout: 1,
                        },
                        script_sig: hex_script!("160014fe3e9ef1a745e974d902c4355943abcb34bd5353"),
                        sequence: 4294967295,
                        witness: Witness::from_vec(vec![
                            Vec::from_hex("3045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01").unwrap(),
                            Vec::from_hex("0223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab3").unwrap(),
                        ]),
                    }],
                    output: vec![
                        TxOut {
                            value: 200000000,
                            script_pubkey: hex_script!("76a91485cff1097fd9e008bb34af709c62197b38978a4888ac"),
                        },
                        TxOut {
                            value: 190303501938,
                            script_pubkey: hex_script!("a914339725ba21efd62ac753a9bcd067d6c7a6a39d0587"),
                        },
                    ],
                }),
                ..Default::default()
            },],
            outputs: vec![
                Output {
                    ..Default::default()
                },
                Output {
                    ..Default::default()
                },
            ],
        };
        unserialized.inputs[0].hash160_preimages = hash160_preimages;
        unserialized.inputs[0].sha256_preimages = sha256_preimages;

        let rtt : PartiallySignedTransaction = hex_psbt!(&serialize_hex(&unserialized)).unwrap();
        assert_eq!(rtt, unserialized);

        // Now add an ripemd160 with incorrect preimage
        let mut ripemd160_preimages = BTreeMap::new();
        ripemd160_preimages.insert(ripemd160::Hash::hash(&[17u8]), vec![18u8]);
        unserialized.inputs[0].ripemd160_preimages = ripemd160_preimages;

        // Now the roundtrip should fail as the preimage is incorrect.
        let rtt : Result<PartiallySignedTransaction, _> = hex_psbt!(&serialize_hex(&unserialized));
        assert!(rtt.is_err());
    }

    #[test]
    fn serialize_and_deserialize_proprietary() {
        let mut psbt: PartiallySignedTransaction = hex_psbt!("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").unwrap();
        psbt.proprietary.insert(raw::ProprietaryKey {
            prefix: b"test".to_vec(),
            subtype: 0u8,
            key: b"test".to_vec(),
        }, b"test".to_vec());
        assert!(!psbt.proprietary.is_empty());
        let rtt : PartiallySignedTransaction = hex_psbt!(&serialize_hex(&psbt)).unwrap();
        assert!(!rtt.proprietary.is_empty());
    }

    // PSBTs taken from BIP 174 test vectors.
    #[test]
    fn combine_psbts() {
        let mut psbt1 = hex_psbt!(include_str!("../../../test_data/psbt1.hex")).unwrap();
        let psbt2 = hex_psbt!(include_str!("../../../test_data/psbt2.hex")).unwrap();
        let psbt_combined = hex_psbt!(include_str!("../../../test_data/psbt2.hex")).unwrap();

        psbt1.combine(psbt2).expect("psbt combine to succeed");
        assert_eq!(psbt1, psbt_combined);
    }

    #[test]
    fn combine_psbts_commutative() {
        let mut psbt1 = hex_psbt!(include_str!("../../../test_data/psbt1.hex")).unwrap();
        let mut psbt2 = hex_psbt!(include_str!("../../../test_data/psbt2.hex")).unwrap();

        let psbt1_clone = psbt1.clone();
        let psbt2_clone = psbt2.clone();

        psbt1.combine(psbt2_clone).expect("psbt1 combine to succeed");
        psbt2.combine(psbt1_clone).expect("psbt2 combine to succeed");

        assert_eq!(psbt1, psbt2);
    }
}