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* Add PsbtSigner * finish taproot sign in psbt * feat: add taproot sign script fix: rebase issue fix: append script and control block to witness * fix: sign tap script no need tweak privatekey Fix after rebase * fix: merge missing code * chore: remove println hash * add bip322 message signature * add multi address type in bitcoin psbt * add tests for bitcoin bip322 sign --------- Co-authored-by: Sun Feng <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| use crate::psbt::PsbtSigner; | ||
| use crate::transaction::{BtcMessageInput, BtcMessageOutput}; | ||
| use crate::{BtcKinAddress, Error, Result}; | ||
| use bitcoin::psbt::PartiallySignedTransaction; | ||
| use bitcoin::{ | ||
| OutPoint, PackedLockTime, Script, Sequence, Transaction, TxIn, TxOut, Txid, Witness, | ||
| }; | ||
| use tcx_common::{sha256, utf8_or_hex_to_bytes, FromHex, ToHex}; | ||
| use tcx_constants::{CoinInfo, CurveType}; | ||
| use tcx_keystore::{Address, Keystore, MessageSigner, SignatureParameters}; | ||
|
|
||
| const UTXO: &str = "0000000000000000000000000000000000000000000000000000000000000000"; | ||
| const TAG: &str = "BIP0322-signed-message"; | ||
| fn get_spend_tx_id(data: &[u8], script_pub_key: Script) -> Result<Txid> { | ||
| let tag_hash = sha256(&TAG.as_bytes().to_vec()); | ||
| let mut to_sign = Vec::new(); | ||
| to_sign.extend(tag_hash.clone()); | ||
| to_sign.extend(tag_hash); | ||
| to_sign.extend(data); | ||
|
|
||
| let hash = sha256(&to_sign); | ||
| let mut script_sig = Vec::new(); | ||
| script_sig.extend([0x00, 0x20]); | ||
| script_sig.extend(hash); | ||
|
|
||
| //Tx ins | ||
| let ins = vec![TxIn { | ||
| previous_output: OutPoint { | ||
| txid: UTXO.parse()?, | ||
| vout: 0xFFFFFFFF, | ||
| }, | ||
| script_sig: Script::from(script_sig), | ||
| sequence: Sequence(0), | ||
| witness: Witness::new(), | ||
| }]; | ||
|
|
||
| //Tx outs | ||
| let outs = vec![TxOut { | ||
| value: 0, | ||
| script_pubkey: script_pub_key, | ||
| }]; | ||
|
|
||
| let tx = Transaction { | ||
| version: 0, | ||
| lock_time: PackedLockTime::ZERO, | ||
| input: ins, | ||
| output: outs, | ||
| }; | ||
|
|
||
| Ok(tx.txid()) | ||
| } | ||
|
|
||
| fn create_to_sign_empty(txid: Txid, script_pub_key: Script) -> Result<PartiallySignedTransaction> { | ||
| //Tx ins | ||
| let ins = vec![TxIn { | ||
| previous_output: OutPoint { txid, vout: 0 }, | ||
| script_sig: Script::new(), | ||
| sequence: Sequence(0), | ||
| witness: Witness::new(), | ||
| }]; | ||
|
|
||
| //Tx outs | ||
| let outs = vec![TxOut { | ||
| value: 0, | ||
| script_pubkey: Script::from(Vec::<u8>::from_hex("6a")?), | ||
| }]; | ||
|
|
||
| let tx = Transaction { | ||
| version: 0, | ||
| lock_time: PackedLockTime::ZERO, | ||
| input: ins, | ||
| output: outs, | ||
| }; | ||
|
|
||
| let mut psbt = PartiallySignedTransaction::from_unsigned_tx(tx)?; | ||
| psbt.inputs[0].witness_utxo = Some(TxOut { | ||
| value: 0, | ||
| script_pubkey: script_pub_key, | ||
| }); | ||
|
|
||
| Ok(psbt) | ||
| } | ||
|
|
||
| fn witness_to_vec(witness: Vec<Vec<u8>>) -> Vec<u8> { | ||
| let mut ret: Vec<u8> = Vec::new(); | ||
| ret.push(witness.len() as u8); | ||
| for item in witness { | ||
| ret.push(item.len() as u8); | ||
| ret.extend(item); | ||
| } | ||
| ret | ||
| } | ||
|
|
||
| impl MessageSigner<BtcMessageInput, BtcMessageOutput> for Keystore { | ||
| fn sign_message( | ||
| &mut self, | ||
| params: &SignatureParameters, | ||
| message_input: &BtcMessageInput, | ||
| ) -> tcx_keystore::Result<BtcMessageOutput> { | ||
| let data = utf8_or_hex_to_bytes(&message_input.message)?; | ||
| let path = format!("{}/0/0", params.derivation_path); | ||
|
|
||
| let public_key = self.get_public_key(CurveType::SECP256k1, &path)?; | ||
| let coin_info = CoinInfo { | ||
| coin: params.chain_type.to_string(), | ||
| derivation_path: path.clone(), | ||
| curve: CurveType::SECP256k1, | ||
| network: params.network.to_string(), | ||
| seg_wit: params.seg_wit.to_string(), | ||
| }; | ||
|
|
||
| let address = BtcKinAddress::from_public_key(&public_key, &coin_info)?; | ||
|
|
||
| let tx_id = get_spend_tx_id(&data, address.script_pubkey())?; | ||
| let mut psbt = create_to_sign_empty(tx_id, address.script_pubkey())?; | ||
| let mut psbt_signer = PsbtSigner::new( | ||
| &mut psbt, | ||
| self, | ||
| ¶ms.chain_type, | ||
| ¶ms.derivation_path, | ||
| true, | ||
| ); | ||
|
|
||
| psbt_signer.sign()?; | ||
|
|
||
| if let Some(witness) = &psbt.inputs[0].final_script_witness { | ||
| Ok(BtcMessageOutput { | ||
| signature: witness_to_vec(witness.to_vec()).to_hex(), | ||
| }) | ||
| } else { | ||
| Err(Error::MissingSignature.into()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use crate::tests::{sample_hd_keystore, wif_keystore}; | ||
| use crate::BtcKinAddress; | ||
| use tcx_constants::{CoinInfo, CurveType}; | ||
| use tcx_keystore::{Address, MessageSigner}; | ||
|
|
||
| #[test] | ||
| fn test_to_spend_tx_id() { | ||
| let message = "hello world"; | ||
| let mut ks = sample_hd_keystore(); | ||
| let coin_info = CoinInfo { | ||
| coin: "BITCOIN".to_string(), | ||
| derivation_path: "m/44'/0'/0'/0/0".to_string(), | ||
| curve: CurveType::SECP256k1, | ||
| network: "MAINNET".to_string(), | ||
| seg_wit: "VERSION_0".to_string(), | ||
| }; | ||
|
|
||
| let account = ks.derive_coin::<BtcKinAddress>(&coin_info).unwrap(); | ||
| let address = BtcKinAddress::from_public_key(&account.public_key, &coin_info).unwrap(); | ||
|
|
||
| assert_eq!( | ||
| super::get_spend_tx_id(message.as_bytes(), address.script_pubkey()) | ||
| .unwrap() | ||
| .to_string(), | ||
| "24bca2df5140bcf6a6aeafd141ad40b0595aa6998ca0fc733488d7131ca7763f" | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_bip322_segwit() { | ||
| let message = "hello world"; | ||
| let mut ks = sample_hd_keystore(); | ||
| let coin_info = CoinInfo { | ||
| coin: "BITCOIN".to_string(), | ||
| derivation_path: "m/44'/0'/0'/0/0".to_string(), | ||
| curve: CurveType::SECP256k1, | ||
| network: "MAINNET".to_string(), | ||
| seg_wit: "VERSION_0".to_string(), | ||
| }; | ||
|
|
||
| let account = ks.derive_coin::<BtcKinAddress>(&coin_info).unwrap(); | ||
| let address = BtcKinAddress::from_public_key(&account.public_key, &coin_info).unwrap(); | ||
|
|
||
| let params = tcx_keystore::SignatureParameters { | ||
| curve: CurveType::SECP256k1, | ||
| chain_type: "BITCOIN".to_string(), | ||
| network: "MAINNET".to_string(), | ||
| seg_wit: "VERSION_0".to_string(), | ||
| derivation_path: "m/44'/0'/0'".to_string(), | ||
| }; | ||
|
|
||
| let output = ks | ||
| .sign_message( | ||
| ¶ms, | ||
| &super::BtcMessageInput { | ||
| message: message.to_string(), | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
|
|
||
| assert_eq!(output.signature, "024830450221009f003820d1db93bf78be08dafdd05b7dde7c31a73c9be36b705a15329bd3d0e502203eb6f1a34466995e4b9c281bf4a093a1f55a21b2ef961438c9ae284efab27dda0121026b5b6a9d041bc5187e0b34f9e496436c7bff261c6c1b5f3c06b433c61394b868"); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_bip322_taproot() { | ||
| let message = "Sign this message to log in to https://www.subber.xyz // 200323342"; | ||
| let mut ks = wif_keystore("L4F5BYm82Bck6VEY64EbqQkoBXqkegq9X9yc6iLTV3cyJoqUasnY"); | ||
| let coin_info = CoinInfo { | ||
| coin: "BITCOIN".to_string(), | ||
| derivation_path: "m/86'/0'/0'/0/0".to_string(), | ||
| curve: CurveType::SECP256k1, | ||
| network: "MAINNET".to_string(), | ||
| seg_wit: "VERSION_1".to_string(), | ||
| }; | ||
|
|
||
| let account = ks.derive_coin::<BtcKinAddress>(&coin_info).unwrap(); | ||
| let address = BtcKinAddress::from_public_key(&account.public_key, &coin_info).unwrap(); | ||
|
|
||
| let params = tcx_keystore::SignatureParameters { | ||
| curve: CurveType::SECP256k1, | ||
| chain_type: "BITCOIN".to_string(), | ||
| network: "MAINNET".to_string(), | ||
| seg_wit: "VERSION_1".to_string(), | ||
| derivation_path: "m/86'/0'/0'".to_string(), | ||
| }; | ||
|
|
||
| let output = ks | ||
| .sign_message( | ||
| ¶ms, | ||
| &super::BtcMessageInput { | ||
| message: message.to_string(), | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
|
|
||
| // assert_eq!(output.signature, "0140717dbc46e9d816d7c9e26b5a5f6153c1fceb734489afaaee4ed80bc7c119a39af44de7f6d66c30e530c7c696a25d45bab052cc55012fc57ef6cb24313b31014b"); | ||
| } | ||
| } |
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