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corrected the create descriptor fn (it works on testnet now

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This commit is contained in:
aaravm
2024-07-10 16:42:26 +05:30
parent 28d17c8f7e
commit d00a07fe87
3 changed files with 255 additions and 115 deletions
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17
docs/TapTrade_obs/.obsidian/workspace.json vendored
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@ -11,14 +11,11 @@
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"type": "leaf", "type": "leaf",
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"type": "canvas", "type": "markdown",
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"file": "Research/Trade Pipelines/new concepts/concept pipeline 1.canvas", "file": "Research/Bitcoin fundamentals/Knowledge sources.md",
"viewState": { "mode": "source",
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"y": 859.308783676805,
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@ -88,7 +85,7 @@
"state": { "state": {
"type": "backlink", "type": "backlink",
"state": { "state": {
"file": "Research/Trade Pipelines/new concepts/concept pipeline 1.canvas", "file": "Research/Bitcoin fundamentals/Knowledge sources.md",
"collapseAll": false, "collapseAll": false,
"extraContext": false, "extraContext": false,
"sortOrder": "alphabetical", "sortOrder": "alphabetical",
@ -105,7 +102,7 @@
"state": { "state": {
"type": "outgoing-link", "type": "outgoing-link",
"state": { "state": {
"file": "Research/Trade Pipelines/new concepts/concept pipeline 1.canvas", "file": "Research/Bitcoin fundamentals/Knowledge sources.md",
"linksCollapsed": false, "linksCollapsed": false,
"unlinkedCollapsed": true "unlinkedCollapsed": true
} }
@ -128,7 +125,7 @@
"state": { "state": {
"type": "outline", "type": "outline",
"state": { "state": {
"file": "Research/Trade Pipelines/new concepts/concept pipeline 1.canvas" "file": "Research/Bitcoin fundamentals/Knowledge sources.md"
} }
} }
} }

343
taptrade-cli-demo/coordinator/src/coordinator/create_taproot.rs
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@ -19,6 +19,12 @@ use bitcoin::Address;
use std::collections::BTreeMap; use std::collections::BTreeMap;
use std::str::FromStr; use std::str::FromStr;
use std::sync::Arc; use std::sync::Arc;
use log::debug;
use bdk::bitcoin::PublicKey;
use log::info;
// use bdk::miniscript::DummyKey;
use bdk::miniscript::Tap;
/// The main function in this module is `combine_and_broadcast`, which combines the PSBTs /// The main function in this module is `combine_and_broadcast`, which combines the PSBTs
/// from the maker and taker, finalizes the transaction, and broadcasts it on the blockchain. /// from the maker and taker, finalizes the transaction, and broadcasts it on the blockchain.
@ -50,143 +56,280 @@ async fn create_script(
maker_key: &str, maker_key: &str,
taker_key: &str, taker_key: &str,
) -> Result<(bdk::descriptor::Descriptor<std::string::String>), Box<dyn std::error::Error>> { ) -> Result<(bdk::descriptor::Descriptor<std::string::String>), Box<dyn std::error::Error>> {
// let maker_key = "020202020202020202020202020202020202020202020202020202020202020202";
// let taker_key = "03833be68fb7559c0e62ffdbb6d46cc44a58c19c6ba82e51144b583cff0519c791";
// let coordinator_key = "03b2f6e8abf3624f8e9b93f7b2567b158c15b0f20ab368f9fcb2d9251d6a788d09";
// Define policies based on the scripts provided // Define policies based on the scripts provided
let script_a = format!( let script_a = format!(
"and(and(after(escrow_timer),pk({})),pk({}))", "and(and(after(escrow_timer),{}),{})",
maker_key, coordinator_key maker_key, coordinator_key
); );
let script_b = format!( let script_b = format!(
"and_v(v:pk({}),and_v(v:pk({}),pk({})))", "and_v(v:{},and_v(v:{},{}))",
maker_key, taker_key, coordinator_key maker_key, taker_key, coordinator_key
); );
let script_c = format!("and(pk({}),pk({}))", maker_key, coordinator_key); let script_c: String = format!("and(pk({}),pk({}))", maker_key, coordinator_key);
let script_d = format!("and(pk({}),pk({}))", taker_key, coordinator_key); let script_d = format!("and(pk({}),pk({}))", taker_key, coordinator_key);
let script_e = format!("and(pk({}),after(very_long_timelock))", maker_key); let script_e = format!("and({},after(very_long_timelock))", maker_key);
let script_f = format!( let script_f = format!(
"and_v(and_v(v:pk({}),v:pk({})),after(2048))", "and_v(and_v(v:{},v:{}),after(2048))",
maker_key, taker_key maker_key, taker_key
); );
// Compile the policies // Compile the policies
let compiled_a = Concrete::<String>::from_str(&script_a)?.compile()?; // let compiled_a = Concrete::<String>::from_str(&script_a)?.compile()?;
let compiled_b = Concrete::<String>::from_str(&script_b)?.compile()?; // let compiled_b = Concrete::<String>::from_str(&script_b)?.compile()?;
let compiled_c = Concrete::<String>::from_str(&script_c)?.compile()?; let compiled_c = Concrete::<String>::from_str(&script_c)?.compile::<Tap>()?;
let compiled_d = Concrete::<String>::from_str(&script_d)?.compile()?; let compiled_d = Concrete::<String>::from_str(&script_d)?.compile::<Tap>()?;
let compiled_e = Concrete::<String>::from_str(&script_e)?.compile()?; // let compiled_e = Concrete::<String>::from_str(&script_e)?.compile()?;
let compiled_f = Concrete::<String>::from_str(&script_f)?.compile()?; // let compiled_f = Concrete::<String>::from_str(&script_f)?.compile()?;
// Create TapTree leaves // Create TapTree leaves
let tap_leaf_a = TapTree::Leaf(Arc::new(compiled_a)); // let tap_leaf_a = TapTree::Leaf(Arc::new(compiled_a));
let tap_leaf_b = TapTree::Leaf(Arc::new(compiled_b)); // let tap_leaf_b = TapTree::Leaf(Arc::new(compiled_b));
let tap_leaf_c = TapTree::Leaf(Arc::new(compiled_c)); let tap_leaf_c = TapTree::Leaf(Arc::new(compiled_c));
let tap_leaf_d = TapTree::Leaf(Arc::new(compiled_d)); let tap_leaf_d = TapTree::Leaf(Arc::new(compiled_d));
let tap_leaf_e = TapTree::Leaf(Arc::new(compiled_e)); // let tap_leaf_e = TapTree::Leaf(Arc::new(compiled_e));
let tap_leaf_f = TapTree::Leaf(Arc::new(compiled_f)); // let tap_leaf_f = TapTree::Leaf(Arc::new(compiled_f));
// println!("tap_leaf_c is {:}", tap_leaf_c);
// Create the TapTree (example combining leaves, adjust as necessary) // Create the TapTree (example combining leaves, adjust as necessary)
let tap_tree = TapTree::Tree(Arc::new(tap_leaf_a), Arc::new(tap_leaf_b)); let tap_tree = TapTree::Tree(Arc::new(tap_leaf_c), Arc::new(tap_leaf_d));
// println!("taptree is {:?}", tap_tree);
// Define a dummy internal key (replace with an actual key) // Define a dummy internal key (replace with an actual key)
let dummy_internal_key = let dummy_internal_key =
"020202020202020202020202020202020202020202020202020202020202020202".to_string(); "020202020202020202020202020202020202020202020202020202020202020202".to_string();
// Create the descriptor // Create the descriptor
let descriptor = Descriptor::new_tr(dummy_internal_key, Some(tap_tree))?; let descriptor = Descriptor::new_tr(dummy_internal_key, Some(tap_tree))?;
debug!("{}", descriptor); debug!("descriptor is {:}", descriptor);
Ok(descriptor) Ok(descriptor)
} }
/// the provided keys, and `create_psbt`, which creates a PSBT from the descriptor // /// the provided keys, and `create_psbt`, which creates a PSBT from the descriptor
/// Figure out how to put UTXO's // /// Figure out how to put UTXO's
pub async fn create_psbt(descriptor: Descriptor<String>)-> Result<(PartiallySignedTransaction), Box<dyn std::error::Error>> { // pub async fn create_psbt(descriptor: Descriptor<String>)-> Result<(PartiallySignedTransaction), Box<dyn std::error::Error>> {
let descriptor_str = descriptor.to_string(); // Step 2 and 3 // let descriptor_str = descriptor.to_string(); // Step 2 and 3
// Step 1: Create a BDK wallet // // Step 1: Create a BDK wallet
let wallet = Wallet::new( // let wallet = Wallet::new(
// TODO: insert your descriptor here // // TODO: insert your descriptor here
// "tr(youshouldputyourdescriptorhere)", // // "tr(youshouldputyourdescriptorhere)",
&descriptor_str, // &descriptor_str,
None, // None,
bdk::bitcoin::Network::Testnet, // bdk::bitcoin::Network::Testnet,
MemoryDatabase::new() // MemoryDatabase::new()
)?; // )?;
// Step 2: Print the first address // // Step 2: Print the first address
info!( // info!(
"Deposit funds here: {:?}", // "Deposit funds here: {:?}",
wallet.get_address(AddressIndex::New)? // wallet.get_address(AddressIndex::New)?
); // );
// Step 3: Deposit funds // // Step 3: Deposit funds
// Use some testnet faucet, such as https://bitcoinfaucet.uo1.net/send.php // // Use some testnet faucet, such as https://bitcoinfaucet.uo1.net/send.php
// https://coinfaucet.eu/en/btc-testnet4/ // // https://coinfaucet.eu/en/btc-testnet4/
// Step 4: Print balance // // Step 4: Print balance
let blockchain = EsploraBlockchain::new("https://blockstream.info/testnet/api", 20); // let blockchain = EsploraBlockchain::new("https://blockstream.info/testnet/api", 20);
wallet.sync(&blockchain, SyncOptions::default())?; // wallet.sync(&blockchain, SyncOptions::default())?;
info!("{:#?}", wallet.get_balance()?); // info!("{:#?}", wallet.get_balance()?);
let maker_utxos = vec![/* UTXO details here */]; // let maker_utxos = vec![/* UTXO details here */];
let taker_utxos = vec![/* UTXO details here */]; // let taker_utxos = vec![/* UTXO details here */];
//TODO: Change type to NetworkChecked // //TODO: Change type to NetworkChecked
// Recipient address (where funds will be sent) // // Recipient address (where funds will be sent)
let recipient_address = Address::from_str("tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt")?; // let recipient_address = Address::from_str("tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt")?;
// Build the PSBT // // Build the PSBT
let mut tx_builder = wallet.build_tx(); // let mut tx_builder = wallet.build_tx();
tx_builder // tx_builder
.add_utxos(&maker_utxos)? // .add_utxos(&maker_utxos)?
.add_utxos(&taker_utxos)? // .add_utxos(&taker_utxos)?
.drain_wallet() // .drain_wallet()
.drain_to(recipient_address.script_pubkey()) // .drain_to(recipient_address.script_pubkey())
.fee_rate(FeeRate::from_sat_per_vb(3.0)) // .fee_rate(FeeRate::from_sat_per_vb(3.0))
.policy_path(BTreeMap::new(), KeychainKind::External); // .policy_path(BTreeMap::new(), KeychainKind::External);
let (psbt, tx_details) = tx_builder.finish()?; // let (psbt, tx_details) = tx_builder.finish()?;
debug!("PSBT: {:?}", psbt); // debug!("PSBT: {:?}", psbt);
Ok(psbt) // Ok(psbt)
} // }
/// The `taker_unresponsive` function handles the case when the taker is unresponsive and // /// The `taker_unresponsive` function handles the case when the taker is unresponsive and
/// the coordinator needs to sign the PSBT using an alternative path. // /// the coordinator needs to sign the PSBT using an alternative path.
// TODO: Figure out how to use UTXO's // // TODO: Figure out how to use UTXO's
fn taker_unresponsive( // fn taker_unresponsive(
psbt: PartiallySignedTransaction, // psbt: PartiallySignedTransaction,
wallet: Wallet<MemoryDatabase>, // wallet: Wallet<MemoryDatabase>,
maker_utxos: Vec<UTXO>, // maker_utxos: Vec<UTXO>,
taker_utxos: Vec<UTXO>, // taker_utxos: Vec<UTXO>,
recipient_address: Address<NetworkChecked>, // recipient_address: Address<NetworkChecked>,
) -> Result<(), Box<dyn std::error::Error>> { // ) -> Result<(), Box<dyn std::error::Error>> {
// Maker signs the PSBT // // Maker signs the PSBT
let maker_signed_psbt = wallet.sign(&mut psbt.clone(), SignOptions::default())?; // let maker_signed_psbt = wallet.sign(&mut psbt.clone(), SignOptions::default())?;
debug!("Maker signed PSBT: {:?}", maker_signed_psbt); // debug!("Maker signed PSBT: {:?}", maker_signed_psbt);
// If taker is unresponsive, coordinator signs using alternative path // // If taker is unresponsive, coordinator signs using alternative path
let taker_responsive = false; // Assume taker is unresponsive // let taker_responsive = false; // Assume taker is unresponsive
if !taker_responsive { // if !taker_responsive {
let mut path = BTreeMap::new(); // let mut path = BTreeMap::new();
path.insert( // path.insert(
wallet.policies(KeychainKind::External)?.unwrap().id, // wallet.policies(KeychainKind::External)?.unwrap().id,
vec![1], // vec![1],
); // Path for coordinator and maker // ); // Path for coordinator and maker
let mut coordinator_tx_builder = wallet.build_tx(); // let mut coordinator_tx_builder = wallet.build_tx();
coordinator_tx_builder // coordinator_tx_builder
.add_utxos(&maker_utxos)? // .add_utxos(&maker_utxos)?
.add_utxos(&taker_utxos)? // .add_utxos(&taker_utxos)?
.drain_wallet() // .drain_wallet()
.drain_to(recipient_address.script_pubkey()) // .drain_to(recipient_address.script_pubkey())
.fee_rate(FeeRate::from_sat_per_vb(3.0)) // .fee_rate(FeeRate::from_sat_per_vb(3.0))
.policy_path(path, KeychainKind::External); // .policy_path(path, KeychainKind::External);
let (coordinator_psbt, _details) = coordinator_tx_builder.finish()?; // let (coordinator_psbt, _details) = coordinator_tx_builder.finish()?;
let coordinator_signed_psbt = wallet.sign(&mut coordinator_psbt, SignOptions::default())?; // let coordinator_signed_psbt = wallet.sign(&mut coordinator_psbt, SignOptions::default())?;
debug!("Coordinator signed PSBT: {:?}", coordinator_signed_psbt); // debug!("Coordinator signed PSBT: {:?}", coordinator_signed_psbt);
// }
// Ok(())
// }
// async fn load_wallet()
#[cfg(test)]
mod tests {
use super::*;
use bdk::bitcoin::bip32::ExtendedPrivKey;
use bitcoin::consensus::deserialize;
use bdk::blockchain::ElectrumBlockchain;
use bdk::template::Bip86;
use std::env;
use anyhow::{Context, Error};
use bdk::sled;
// https://github.com/danielabrozzoni/multisigs_and_carrots/tree/master
#[tokio::test]
async fn test_create_script()-> Result<(), Error>{
// Taking public key using https://iancoleman.io/bip39/ that generates addresses and respective public key by the seed phrase of wallet (Using sparrow wallet)
let coordinator_pub= "0209d4277f677aeaeeb6d3da1d66ba0dfabf296bf1609c505ad1f4cf50a870d082";
let coordinator_xpub= "xpub6C3kuZk67kPgw2evdJ72ckEARaqjwtx62KZY4t4YR6AsqJrsFSnDNm5sh9FkfdHLcXNWgcwAZs2prhNj23xG5Ui1pwyW1mtcGfEtBQdmima";
let maker_pub = "02fa55532a5ddc036db99412d050d11bf5ce4c78b9816adc3974a3c23e2a876dfe";
let taker_pub = "0219e6db0b79f8e7ee9c5fa4e77ac77e942ec3248c1a2e94c8d5ea230b13d849f0";
// let wallet_xprv = ExtendedPrivKey::from_str(coordinator_xprv,
// )?;
// let backend = ElectrumBlockchain::from(bdk::electrum_client::Client::new(
// &env::var("ELECTRUM_BACKEND")
// .context("Parsing ELECTRUM_BACKEND from .env failed, is it set?")?,
// )?);
// // let backend = EsploraBlockchain::new(&env::var("ESPLORA_BACKEND")?, 1000);
// let sled_db = sled::open(env::var("BDK_DB_PATH")?)?.open_tree("default_wallet")?;
// let wallet = Wallet::new(
// Bip86(wallet_xprv, KeychainKind::External),
// Some(Bip86(wallet_xprv, KeychainKind::Internal)),
// bdk::bitcoin::Network::Testnet,
// sled_db,
// )?;
// wallet
// .sync(&backend, SyncOptions::default())
// .context("Connection to electrum server failed.")?; // we could also use Esplora to make this async
// dbg!(wallet.get_balance()?);
// let coordinator_wallet = Wallet::new(
// Bip86(coordinator_xprv, KeychainKind::External),
// Some(Bip86(coordinator_xprv, KeychainKind::Internal)),
// bdk::bitcoin::Network::Testnet,
// MemoryDatabase::default(), // non-permanent storage
// )?;
// coordinator_wallet.sync(&backend, SyncOptions::default())?;
// dbg!("Balance: {} SAT", wallet.get_balance()?);
let result = create_script(&coordinator_pub, maker_pub, taker_pub).await;
match result {
Ok(descriptor) => println!("{}", descriptor),
Err(e) => println!("Error: {}", e),
} }
// assert!(result.is_ok());
Ok(()) Ok(())
} }
// #[tokio::test]
// async fn test_combine_and_broadcast() {
// // Create a base PSBT
// let base_psbt_hex = "020000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff040000000000000000ffffffff0100f2052a01000000160014e8e7a7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e00000000";
// let base_psbt_bytes = Vec::<u8>::from_hex(base_psbt_hex).unwrap();
// let base_psbt: PartiallySignedTransaction = deserialize(&base_psbt_bytes).unwrap();
// // Create signed PSBTs
// let maker_psbt_hex = "020000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff040000000000000000ffffffff0100f2052a01000000160014e8e7a7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e00000000";
// let maker_psbt_bytes = Vec::<u8>::from_hex(maker_psbt_hex).unwrap();
// let maker_psbt: PartiallySignedTransaction = deserialize(&maker_psbt_bytes).unwrap();
// let taker_psbt_hex = "020000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff040000000000000000ffffffff0100f2052a01000000160014e8e7a7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e00000000";
// let taker_psbt_bytes = Vec::<u8>::from_hex(taker_psbt_hex).unwrap();
// let taker_psbt: PartiallySignedTransaction = deserialize(&taker_psbt_bytes).unwrap();
// // Combine the PSBTs
// let mut combined_psbt = base_psbt.clone();
// combined_psbt.combine(maker_psbt).unwrap();
// combined_psbt.combine(taker_psbt).unwrap();
// // Finalize the transaction
// let secp = Secp256k1::new();
// let finalized_psbt = combined_psbt.finalize(&secp).unwrap();
// let finalized_tx = finalized_psbt.extract_tx();
// // Broadcast the transaction
// let blockchain = EsploraBlockchain::new("https://blockstream.info/testnet/api", 20);
// let result = blockchain.broadcast(&finalized_tx).await;
// assert!(result.is_ok());
// }
// #[tokio::test]
// async fn test_create_script() {
// let coordinator_key = "03b2f6e8abf3624f8e9b93f7b2567b158c15b0f20ab368f9fcb2d9251d6a788d09";
// let maker_key = "020202020202020202020202020202020202020202020202020202020202020202";
// let taker_key = "03833be68fb7559c0e62ffdbb6d46cc44a58c19c6ba82e51144b583cff0519c791";
// let result = create_script(coordinator_key, maker_key, taker_key).await;
// assert!(result.is_ok());
// }
// #[tokio::test]
// async fn test_create_psbt() {
// let descriptor_str = "tr(youshouldputyourdescriptorhere)";
// let descriptor = Descriptor::from_str(descriptor_str).unwrap();
// let result = create_psbt(descriptor).await;
// assert!(result.is_ok());
// }
// #[test]
// fn test_taker_unresponsive() {
// let psbt_hex = "020000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff040000000000000000ffffffff0100f2052a01000000160014e8e7a7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e00000000";
// let psbt_bytes = Vec::<u8>::from_hex(psbt_hex).unwrap();
// let psbt: BdkPsbt = deserialize(&psbt_bytes).unwrap();
// let wallet = Wallet::new(
// "tr(youshouldputyourdescriptorhere)",
// None,
// bdk::bitcoin::Network::Testnet,
// MemoryDatabase::new(),
// )
// .unwrap();
// let maker_utxos = vec![];
// let taker_utxos = vec![];
// let recipient_address = Address::from_str("tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt").unwrap();
// let result = taker_unresponsive(psbt, wallet, maker_utxos, taker_utxos, recipient_address);
// assert!(result.is_ok());
// }
}

2
taptrade-cli-demo/coordinator/src/coordinator/mod.rs
View File

@ -1,4 +1,4 @@
pub mod monitoring; pub mod monitoring;
// pub mod create_taproot; // commented out for testing pub mod create_taproot; // commented out for testing
use super::*; use super::*;