anya-core 1.2.0

Enterprise-grade Bitcoin Infrastructure Platform
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

use std::error::Error;
impl TaprootEngine {
    /// [BIP-341] Compliant Transaction Construction
    pub fn build_taproot_transaction(
        &self,
        inputs: Vec<TaprootInput>,
        outputs: Vec<TxOut>,
        fee_rate: FeeRate
    ) -> Result<Transaction> {
        let mut builder = self.network.taproot_builder();
        
        for input in inputs {
            builder = builder
                .add_leaf(input.leaf_version, &input.script)?
                .finalize(&self.secp, input.internal_key)?;
        }
        
        let psbt = Psbt::from_taproot_builder(builder)
            .set_fee_rate(fee_rate)?
            .finalize()?;
            
        psbt.extract_tx()
    }
}