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added almost complete taptree making function

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This commit is contained in:
aaravm
2024-07-06 12:30:32 +05:30
parent 490176ae2c
commit 4248853abd
1 changed files with 46 additions and 37 deletions
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83
taptrade-cli-demo/coordinator/src/coordinator/create_taproot.rs
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@ -1,12 +1,19 @@
use bitcoin::Address; use bitcoin::Address;
use bdk::descriptor::Descriptor;
use bdk::miniscript::psbt::PsbtExt; use bdk::miniscript::psbt::PsbtExt;
use bitcoin::Network; use bitcoin::Network;
use bitcoin::taproot::TaprootSpendInfo; use bitcoin::taproot::TaprootSpendInfo;
use miniscript::{Miniscript, Descriptor, DescriptorPublicKey};
use bdk::bitcoin::psbt::PartiallySignedTransaction; use bdk::bitcoin::psbt::PartiallySignedTransaction;
use bdk::blockchain::EsploraBlockchain; use bdk::blockchain::EsploraBlockchain;
use std::str::FromStr; use std::str::FromStr;
use bdk::bitcoin::secp256k1::Secp256k1; use bdk::bitcoin::secp256k1::Secp256k1;
use bdk::bitcoin::hashes::hex::FromHex;
use bdk::bitcoin::PublicKey;
use bdk::descriptor;
use bdk::miniscript::descriptor::TapTree;
use bdk::miniscript::policy::Concrete;
// use bdk::miniscript::DummyKey;
use std::sync::Arc;
fn combine_and_broadcast() -> Result<(), Box<dyn std::error::Error>> { fn combine_and_broadcast() -> Result<(), Box<dyn std::error::Error>> {
let mut base_psbt = PartiallySignedTransaction::from_str("TODO: insert the psbt created in step 3 here")?; let mut base_psbt = PartiallySignedTransaction::from_str("TODO: insert the psbt created in step 3 here")?;
@ -87,45 +94,47 @@ fn combine_and_broadcast() -> Result<(), Box<dyn std::error::Error>> {
// } // }
// async fn create_script(coordinator_pub_key, maker_pub_key,taker_pub_key ) { async fn create_script(coordinator_key: &str, maker_key:&str, taker_key:&str ) -> Result<(bdk::descriptor::Descriptor<std::string::String>), Box<dyn std::error::Error>> {
// // Define the Miniscript policies
// let policy_a = format!("and_v(v:pk({}),and_v(v:pk({}),after(144)))", coordinator_pub_key, maker_pub_key);
// let policy_b = format!("and_v(v:pk({}),and_v(v:pk({}),pk({})))", maker_pub_key, taker_pub_key, coordinator_pub_key);
// let policy_c = format!("and_v(v:pk({}),pk({}))", maker_pub_key, coordinator_pub_key);
// let policy_d = format!("and_v(v:pk({}),pk({}))", taker_pub_key, coordinator_pub_key);
// let policy_e = format!("and_v(v:pk({}),after(12228))", maker_pub_key);
// let policy_f = format!("and_v(and_v(v:pk({}),v:pk({})),after(2048))", maker_pub_key, taker_pub_key);
// // Compile the policies into Miniscript // let maker_key = "020202020202020202020202020202020202020202020202020202020202020202";
// let miniscript_a: Miniscript<DescriptorPublicKey> = policy_a.parse().unwrap().compile().unwrap(); // let taker_key = "03833be68fb7559c0e62ffdbb6d46cc44a58c19c6ba82e51144b583cff0519c791";
// let miniscript_b: Miniscript<DescriptorPublicKey> = policy_b.parse().unwrap().compile().unwrap(); // let coordinator_key = "03b2f6e8abf3624f8e9b93f7b2567b158c15b0f20ab368f9fcb2d9251d6a788d09";
// let miniscript_c: Miniscript<DescriptorPublicKey> = policy_c.parse().unwrap().compile().unwrap();
// let miniscript_d: Miniscript<DescriptorPublicKey> = policy_d.parse().unwrap().compile().unwrap();
// let miniscript_e: Miniscript<DescriptorPublicKey> = policy_e.parse().unwrap().compile().unwrap();
// let miniscript_f: Miniscript<DescriptorPublicKey> = policy_f.parse().unwrap().compile().unwrap();
// // Create the Taproot descriptors // Define policies based on the scripts provided
// let descriptor_a = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_a]); let script_a = format!("and(and(after(escrow_timer),pk({})),pk({}))", maker_key, coordinator_key);
// let descriptor_b = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_b]); let script_b = format!("and_v(v:pk({}),and_v(v:pk({}),pk({})))", maker_key, taker_key, coordinator_key);
// let descriptor_c = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_c]); let script_c = format!("and(pk({}),pk({}))", maker_key, coordinator_key);
// let descriptor_d = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_d]); let script_d = format!("and(pk({}),pk({}))", taker_key, coordinator_key);
// let descriptor_e = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_e]); let script_e = format!("and(pk({}),after(very_long_timelock))", maker_key);
// let descriptor_f = Descriptor::Tr(coordinator_pub_key.clone(), vec![miniscript_f]); let script_f = format!("and_v(and_v(v:pk({}),v:pk({})),after(2048))", maker_key, taker_key);
// // Generate the Taproot addresses // Compile the policies
// let address_a = Address::p2tr(&descriptor_a, Network::Bitcoin); let compiled_a = Concrete::<String>::from_str(&script_a)?.compile()?;
// let address_b = Address::p2tr(&descriptor_b, Network::Bitcoin); let compiled_b = Concrete::<String>::from_str(&script_b)?.compile()?;
// let address_c = Address::p2tr(&descriptor_c, Network::Bitcoin); let compiled_c = Concrete::<String>::from_str(&script_c)?.compile()?;
// let address_d = Address::p2tr(&descriptor_d, Network::Bitcoin); let compiled_d = Concrete::<String>::from_str(&script_d)?.compile()?;
// let address_e = Address::p2tr(&descriptor_e, Network::Bitcoin); let compiled_e = Concrete::<String>::from_str(&script_e)?.compile()?;
// let address_f = Address::p2tr(&descriptor_f, Network::Bitcoin); let compiled_f = Concrete::<String>::from_str(&script_f)?.compile()?;
// println!("Taproot Address A: {}", address_a); // Create TapTree leaves
// println!("Taproot Address B: {}", address_b); let tap_leaf_a = TapTree::Leaf(Arc::new(compiled_a));
// println!("Taproot Address C: {}", address_c); let tap_leaf_b = TapTree::Leaf(Arc::new(compiled_b));
// println!("Taproot Address D: {}", address_d); let tap_leaf_c = TapTree::Leaf(Arc::new(compiled_c));
// println!("Taproot Address E: {}", address_e); let tap_leaf_d = TapTree::Leaf(Arc::new(compiled_d));
// println!("Taproot Address F: {}", address_f); let tap_leaf_e = TapTree::Leaf(Arc::new(compiled_e));
let tap_leaf_f = TapTree::Leaf(Arc::new(compiled_f));
// } // Create the TapTree (example combining leaves, adjust as necessary)
let tap_tree = TapTree::Tree(Arc::new(tap_leaf_a), Arc::new(tap_leaf_b));
// Define a dummy internal key (replace with an actual key)
let dummy_internal_key = "020202020202020202020202020202020202020202020202020202020202020202".to_string();
// Create the descriptor
let descriptor = Descriptor::new_tr(dummy_internal_key, Some(tap_tree))?;
println!("{}", descriptor);
Ok(descriptor)
}