cli-utils = ["clap", "base64"]
async-interface = ["async-trait"]
+# Debug/Test features
+debug-proc-macros = ["magical-macros/debug", "testutils-macros/debug"]
+test-electrum = ["electrum"]
+
[dev-dependencies]
+testutils = { path = "./testutils" }
+testutils-macros = { path = "./testutils-macros" }
+serial_test = "0.4"
lazy_static = "1.4"
rustyline = "6.0"
dirs = "2.0"
path = "examples/repl.rs"
required-features = ["cli-utils"]
+[workspace]
+members = ["macros", "testutils", "testutils-macros"]
proc-macro2 = "1.0"
quote = "1.0"
+[features]
+debug = ["syn/extra-traits"]
+
[lib]
proc-macro = true
} else {
(quote! {
compile_error!("#[maybe_async] can only be used on methods, trait or trait impl blocks")
- }).into()
+ })
+ .into()
}
}
pub struct ElectrumBlockchain(Option<Client>);
+#[cfg(test)]
+#[cfg(feature = "test-electrum")]
+#[magical_blockchain_tests(crate)]
+fn local_electrs() -> ElectrumBlockchain {
+ ElectrumBlockchain::from(Client::new(&testutils::get_electrum_url(), None).unwrap())
+}
+
impl std::convert::From<Client> for ElectrumBlockchain {
fn from(client: Client) -> Self {
ElectrumBlockchain(Some(client))
);
let mut updates = database.begin_batch();
let tx = match database.get_tx(&txid, true)? {
- // TODO: do we need the raw?
Some(mut saved_tx) => {
// update the height if it's different (in case of reorg)
if saved_tx.height != height {
// went wrong
saved_tx.transaction.unwrap()
}
- None => maybe_await!(self.els_transaction_get(&txid))?,
+ None => {
+ let fetched_tx = maybe_await!(self.els_transaction_get(&txid))?;
+ database.set_raw_tx(&fetched_tx)?;
+
+ fetched_tx
+ }
};
let mut incoming: u64 = 0;
let mut outgoing: u64 = 0;
+ let mut inputs_sum: u64 = 0;
+ let mut outputs_sum: u64 = 0;
+
// look for our own inputs
for (i, input) in tx.input.iter().enumerate() {
// the fact that we visit addresses in a BFS fashion starting from the external addresses
// the transactions at a lower depth have already been indexed, so if an outpoint is ours
// we are guaranteed to have it in the db).
if let Some(previous_output) = database.get_previous_output(&input.previous_output)? {
+ inputs_sum += previous_output.value;
+
if database.is_mine(&previous_output.script_pubkey)? {
outgoing += previous_output.value;
debug!("{} input #{} is mine, removing from utxo", txid, i);
updates.del_utxo(&input.previous_output)?;
}
+ } else {
+ // The input is not ours, but we still need to count it for the fees. so fetch the
+ // tx (from the database or from network) and check it
+ let tx = match database.get_tx(&input.previous_output.txid, true)? {
+ Some(saved_tx) => saved_tx.transaction.unwrap(),
+ None => {
+ let fetched_tx =
+ maybe_await!(self.els_transaction_get(&input.previous_output.txid))?;
+ database.set_raw_tx(&fetched_tx)?;
+
+ fetched_tx
+ }
+ };
+
+ inputs_sum += tx.output[input.previous_output.vout as usize].value;
}
}
let mut to_check_later = vec![];
for (i, output) in tx.output.iter().enumerate() {
+ // to compute the fees later
+ outputs_sum += output.value;
+
// this output is ours, we have a path to derive it
if let Some((script_type, child)) =
database.get_path_from_script_pubkey(&output.script_pubkey)?
sent: outgoing,
height,
timestamp: 0,
+ fees: inputs_sum - outputs_sum,
};
info!("Saving tx {}", txid);
updates.set_tx(&tx)?;
pub mod keyvalue;
pub mod memory;
+pub use memory::MemoryDatabase;
+
pub trait BatchOperations {
fn set_script_pubkey(
&mut self,
timestamp: 123456,
received: 1337,
sent: 420420,
+ fees: 140,
height: Some(1000),
};
SendAllMultipleOutputs,
OutputBelowDustLimit(usize),
InsufficientFunds,
- InvalidAddressNetork(Address),
+ InvalidAddressNetwork(Address),
UnknownUTXO,
DifferentTransactions,
#[cfg(feature = "cli-utils")]
pub mod cli;
+#[cfg(test)]
+#[macro_use]
+extern crate testutils;
+#[cfg(test)]
+#[macro_use]
+extern crate testutils_macros;
+#[cfg(test)]
+#[macro_use]
+extern crate serial_test;
+
#[macro_use]
pub mod error;
pub mod blockchain;
use serde::{Deserialize, Serialize};
// TODO serde flatten?
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum ScriptType {
External = 0,
Internal = 1,
pub timestamp: u64,
pub received: u64,
pub sent: u64,
+ pub fees: u64,
pub height: Option<u32>,
}
timestamp: 12345678,
received: 100_000,
sent: 0,
+ fees: 500,
height: Some(5000),
})
.unwrap();
pub mod utils;
use tx_builder::TxBuilder;
-use utils::{FeeRate, IsDust};
+use utils::IsDust;
use crate::blockchain::{noop_progress, Blockchain, OfflineBlockchain, OnlineBlockchain};
use crate::database::{BatchDatabase, BatchOperations, DatabaseUtils};
false => *satoshi,
};
- if address.network != self.network {
- return Err(Error::InvalidAddressNetork(address.clone()));
+ // TODO: proper checks for testnet/regtest p2sh/p2pkh
+ if address.network != self.network && self.network != Network::Regtest {
+ return Err(Error::InvalidAddressNetwork(address.clone()));
} else if self.is_mine(&address.script_pubkey())? {
received += value;
}
}
};
- let change_val = total_amount - outgoing - (fee_amount.ceil() as u64);
+ let mut fee_amount = fee_amount.ceil() as u64;
+ let change_val = total_amount - outgoing - fee_amount;
if !builder.send_all && !change_val.is_dust() {
let mut change_output = change_output.unwrap();
change_output.value = change_val;
tx.output.push(change_output);
} else if builder.send_all && !change_val.is_dust() {
- // set the outgoing value to whatever we've put in
- outgoing = total_amount;
// there's only one output, send everything to it
tx.output[0].value = change_val;
if self.is_mine(&tx.output[0].script_pubkey)? {
received = change_val;
}
+ } else if !builder.send_all && change_val.is_dust() {
+ // skip the change output because it's dust, this adds up to the fees
+ fee_amount += change_val;
} else if builder.send_all {
// send_all but the only output would be below dust limit
return Err(Error::InsufficientFunds); // TODO: or OutputBelowDustLimit?
txid,
timestamp: time::get_timestamp(),
received,
- sent: outgoing,
+ sent: total_amount,
+ fees: fee_amount,
height: None,
};
pub fn sync(&self, max_address_param: Option<u32>) -> Result<(), Error> {
debug!("Begin sync...");
+ let mut run_setup = false;
+
let max_address = match self.descriptor.is_fixed() {
true => 0,
false => max_address_param.unwrap_or(CACHE_ADDR_BATCH_SIZE),
.get_script_pubkey_from_path(ScriptType::External, max_address)?
.is_none()
{
+ run_setup = true;
self.cache_addresses(ScriptType::External, 0, max_address)?;
}
.get_script_pubkey_from_path(ScriptType::Internal, max_address)?
.is_none()
{
+ run_setup = true;
self.cache_addresses(ScriptType::Internal, 0, max_address)?;
}
}
- maybe_await!(self.client.sync(
- None,
- self.database.borrow_mut().deref_mut(),
- noop_progress(),
- ))
+ if run_setup {
+ maybe_await!(self.client.setup(
+ None,
+ self.database.borrow_mut().deref_mut(),
+ noop_progress(),
+ ))
+ } else {
+ maybe_await!(self.client.sync(
+ None,
+ self.database.borrow_mut().deref_mut(),
+ noop_progress(),
+ ))
+ }
}
pub fn client(&self) -> &B {
--- /dev/null
+[package]
+name = "testutils-macros"
+version = "0.1.0"
+authors = ["Alekos Filini <alekos.filini@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+syn = { version = "1.0", features = ["parsing"] }
+proc-macro2 = "1.0"
+quote = "1.0"
+
+[features]
+debug = ["syn/extra-traits"]
+
+[lib]
+proc-macro = true
--- /dev/null
+#[macro_use]
+extern crate quote;
+
+use proc_macro::TokenStream;
+
+use syn::spanned::Spanned;
+use syn::{parse, parse2, Ident, ReturnType};
+
+#[proc_macro_attribute]
+pub fn magical_blockchain_tests(attr: TokenStream, item: TokenStream) -> TokenStream {
+ let root_ident = if !attr.is_empty() {
+ match parse::<syn::ExprPath>(attr) {
+ Ok(parsed) => parsed,
+ Err(e) => {
+ let error_string = e.to_string();
+ return (quote! {
+ compile_error!("Invalid crate path: {:?}", #error_string)
+ })
+ .into();
+ }
+ }
+ } else {
+ parse2::<syn::ExprPath>(quote! { magical_bitcoin_wallet }).unwrap()
+ };
+
+ match parse::<syn::ItemFn>(item) {
+ Err(_) => (quote! {
+ compile_error!("#[magical_blockchain_tests] can only be used on `fn`s")
+ })
+ .into(),
+ Ok(parsed) => {
+ let parsed_sig_ident = parsed.sig.ident.clone();
+ let mod_name = Ident::new(
+ &format!("generated_tests_{}", parsed_sig_ident.to_string()),
+ parsed.span(),
+ );
+
+ let return_type = match parsed.sig.output {
+ ReturnType::Type(_, ref t) => t.clone(),
+ ReturnType::Default => {
+ return (quote! {
+ compile_error!("The tagged function must return a type that impl `OnlineBlockchain`")
+ }).into();
+ }
+ };
+
+ let output = quote! {
+
+ #parsed
+
+ mod #mod_name {
+ use bitcoin::Network;
+
+ use miniscript::Descriptor;
+
+ use testutils::{TestClient, serial};
+
+ use #root_ident::blockchain::OnlineBlockchain;
+ use #root_ident::descriptor::ExtendedDescriptor;
+ use #root_ident::database::MemoryDatabase;
+ use #root_ident::types::ScriptType;
+ use #root_ident::{Wallet, TxBuilder};
+
+ use super::*;
+
+ fn get_blockchain() -> #return_type {
+ #parsed_sig_ident()
+ }
+
+ fn get_wallet_from_descriptors(descriptors: &(ExtendedDescriptor, Option<ExtendedDescriptor>)) -> Wallet<#return_type, MemoryDatabase> {
+ Wallet::new(&descriptors.0.to_string(), descriptors.1.as_ref().map(|d| d.to_string()).as_deref(), Network::Regtest, MemoryDatabase::new(), get_blockchain()).unwrap()
+ }
+
+ fn init_single_sig() -> (Wallet<#return_type, MemoryDatabase>, (ExtendedDescriptor, Option<ExtendedDescriptor>), TestClient) {
+ let descriptors = testutils! {
+ @descriptors ( "wpkh(Alice)" ) ( "wpkh(Alice)" ) ( @keys ( "Alice" => (@generate_xprv "/44'/0'/0'/0/*", "/44'/0'/0'/1/*") ) )
+ };
+
+ let test_client = TestClient::new();
+ let wallet = get_wallet_from_descriptors(&descriptors);
+
+ (wallet, descriptors, test_client)
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_simple() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ let tx = testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ };
+ let txid = test_client.receive(tx);
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+ assert_eq!(wallet.list_unspent().unwrap()[0].is_internal, false);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, txid);
+ assert_eq!(list_tx_item.received, 50_000);
+ assert_eq!(list_tx_item.sent, 0);
+ assert_eq!(list_tx_item.height, None);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_stop_gap_20() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 5) => 50_000 )
+ });
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 25) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 100_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 2);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_before_and_after_receive() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 0);
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 1);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_multiple_outputs_same_tx() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ let txid = test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000, (@external descriptors, 1) => 25_000, (@external descriptors, 5) => 30_000 )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 105_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 1);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 3);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, txid);
+ assert_eq!(list_tx_item.received, 105_000);
+ assert_eq!(list_tx_item.sent, 0);
+ assert_eq!(list_tx_item.height, None);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_receive_multi() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 5) => 25_000 )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 75_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 2);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 2);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_address_reuse() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 25_000 )
+ });
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 75_000);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_receive_rbf_replaced() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ let txid = test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 ) ( @replaceable true )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 1);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 1);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, txid);
+ assert_eq!(list_tx_item.received, 50_000);
+ assert_eq!(list_tx_item.sent, 0);
+ assert_eq!(list_tx_item.height, None);
+
+ let new_txid = test_client.bump_fee(&txid);
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 1);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 1);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, new_txid);
+ assert_eq!(list_tx_item.received, 50_000);
+ assert_eq!(list_tx_item.sent, 0);
+ assert_eq!(list_tx_item.height, None);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_reorg_block() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+
+ let txid = test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 ) ( @confirmations 1 ) ( @replaceable true )
+ });
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 1);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 1);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, txid);
+ assert!(list_tx_item.height.is_some());
+
+ // Invalidate 1 block
+ test_client.invalidate(1);
+
+ wallet.sync(None).unwrap();
+
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+
+ let list_tx_item = &wallet.list_transactions(false).unwrap()[0];
+ assert_eq!(list_tx_item.txid, txid);
+ assert_eq!(list_tx_item.height, None);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_after_send() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+ let node_addr = test_client.get_node_address(None);
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+
+ let (psbt, details) = wallet.create_tx(TxBuilder::from_addressees(vec![(node_addr, 25_000)])).unwrap();
+ let (psbt, finalized) = wallet.sign(psbt, None).unwrap();
+ assert!(finalized, "Cannot finalize transaction");
+ wallet.broadcast(psbt.extract_tx()).unwrap();
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), details.received);
+
+ assert_eq!(wallet.list_transactions(false).unwrap().len(), 2);
+ assert_eq!(wallet.list_unspent().unwrap().len(), 1);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_outgoing_from_scratch() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+ let node_addr = test_client.get_node_address(None);
+
+ let received_txid = test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+
+ let (psbt, details) = wallet.create_tx(TxBuilder::from_addressees(vec![(node_addr, 25_000)])).unwrap();
+ let (psbt, finalized) = wallet.sign(psbt, None).unwrap();
+ assert!(finalized, "Cannot finalize transaction");
+ let sent_txid = wallet.broadcast(psbt.extract_tx()).unwrap();
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), details.received);
+
+ // empty wallet
+ let wallet = get_wallet_from_descriptors(&descriptors);
+ wallet.sync(None).unwrap();
+
+ let tx_map = wallet.list_transactions(false).unwrap().into_iter().map(|tx| (tx.txid, tx)).collect::<std::collections::HashMap<_, _>>();
+
+ let received = tx_map.get(&received_txid).unwrap();
+ assert_eq!(received.received, 50_000);
+ assert_eq!(received.sent, 0);
+
+ let sent = tx_map.get(&sent_txid).unwrap();
+ assert_eq!(sent.received, details.received);
+ assert_eq!(sent.sent, details.sent);
+ assert_eq!(sent.fees, details.fees);
+ }
+
+ #[test]
+ #[serial]
+ fn test_sync_long_change_chain() {
+ let (wallet, descriptors, mut test_client) = init_single_sig();
+ let node_addr = test_client.get_node_address(None);
+
+ test_client.receive(testutils! {
+ @tx ( (@external descriptors, 0) => 50_000 )
+ });
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000);
+
+ let mut total_sent = 0;
+ for _ in 0..5 {
+ let (psbt, details) = wallet.create_tx(TxBuilder::from_addressees(vec![(node_addr.clone(), 5_000)])).unwrap();
+ let (psbt, finalized) = wallet.sign(psbt, None).unwrap();
+ assert!(finalized, "Cannot finalize transaction");
+ wallet.broadcast(psbt.extract_tx()).unwrap();
+
+ wallet.sync(None).unwrap();
+
+ total_sent += 5_000 + details.fees;
+ }
+
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000 - total_sent);
+
+ // empty wallet
+ let wallet = get_wallet_from_descriptors(&descriptors);
+ wallet.sync(None).unwrap();
+ assert_eq!(wallet.get_balance().unwrap(), 50_000 - total_sent);
+ }
+ }
+
+ };
+
+ output.into()
+ }
+ }
+}
--- /dev/null
+target/
+Cargo.lock
--- /dev/null
+[package]
+name = "testutils"
+version = "0.1.0"
+authors = ["Alekos Filini <alekos.filini@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+# The latest bitcoincore-rpc depends on an older version of bitcoin, which in turns depends on an
+# older version of secp256k1, which causes conflicts during linking. Use my fork right now, we can
+# switch back to crates.io as soon as rust-bitcoin is updated in rust-bitcoincore-rpc.
+#
+# Tracking issue: https://github.com/rust-bitcoin/rust-bitcoincore-rpc/pull/80
+
+[dependencies]
+log = "0.4.8"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+serial_test = "0.4"
+bitcoin = "0.23"
+bitcoincore-rpc = "0.11"
+electrum-client = "0.2.0-beta.1"
--- /dev/null
+#[macro_use]
+extern crate serde_json;
+#[macro_use]
+extern crate serial_test;
+
+pub use serial_test::serial;
+
+use std::collections::HashMap;
+use std::env;
+use std::ops::Deref;
+use std::path::PathBuf;
+use std::str::FromStr;
+use std::sync::Mutex;
+use std::time::Duration;
+
+#[allow(unused_imports)]
+use log::{debug, error, info, trace};
+
+use bitcoin::consensus::encode::{deserialize, serialize};
+use bitcoin::hashes::hex::{FromHex, ToHex};
+use bitcoin::hashes::sha256d;
+use bitcoin::{Address, Amount, Script, Transaction, Txid};
+
+pub use bitcoincore_rpc::bitcoincore_rpc_json::AddressType;
+pub use bitcoincore_rpc::{Auth, Client as RpcClient, RpcApi};
+
+pub use electrum_client::{Client as ElectrumClient, ElectrumApi};
+
+lazy_static! {
+ static ref SYNC_TESTS_MUTEX: Mutex<()> = Mutex::new(());
+}
+
+pub fn test_init() {}
+
+// TODO: we currently only support env vars, we could also parse a toml file
+fn get_auth() -> Auth {
+ match env::var("MAGICAL_RPC_AUTH").as_ref().map(String::as_ref) {
+ Ok("USER_PASS") => Auth::UserPass(
+ env::var("MAGICAL_RPC_USER").unwrap(),
+ env::var("MAGICAL_RPC_PASS").unwrap(),
+ ),
+ _ => Auth::CookieFile(PathBuf::from(
+ env::var("MAGICAL_RPC_COOKIEFILE")
+ .unwrap_or("/home/user/.bitcoin/regtest/.cookie".to_string()),
+ )),
+ }
+}
+
+pub fn get_electrum_url() -> String {
+ env::var("MAGICAL_ELECTRUM_URL").unwrap_or("tcp://127.0.0.1:50001".to_string())
+}
+
+pub struct TestClient {
+ client: RpcClient,
+ electrum: ElectrumClient,
+}
+
+#[derive(Clone, Debug)]
+pub struct TestIncomingOutput {
+ pub value: u64,
+ pub to_address: String,
+}
+
+impl TestIncomingOutput {
+ pub fn new(value: u64, to_address: Address) -> Self {
+ Self {
+ value,
+ to_address: to_address.to_string(),
+ }
+ }
+}
+
+#[derive(Clone, Debug)]
+pub struct TestIncomingTx {
+ pub output: Vec<TestIncomingOutput>,
+ pub min_confirmations: Option<u64>,
+ pub locktime: Option<i64>,
+ pub replaceable: Option<bool>,
+}
+
+impl TestIncomingTx {
+ pub fn new(
+ output: Vec<TestIncomingOutput>,
+ min_confirmations: Option<u64>,
+ locktime: Option<i64>,
+ replaceable: Option<bool>,
+ ) -> Self {
+ Self {
+ output,
+ min_confirmations,
+ locktime,
+ replaceable,
+ }
+ }
+
+ pub fn add_output(&mut self, output: TestIncomingOutput) {
+ self.output.push(output);
+ }
+}
+
+#[macro_export]
+macro_rules! testutils {
+ ( @external $descriptors:expr, $child:expr ) => ({
+ $descriptors.0.derive($child).expect("Derivation error").address(bitcoin::Network::Regtest).expect("No address form")
+ });
+ ( @internal $descriptors:expr, $child:expr ) => ({
+ $descriptors.1.expect("Missing internal descriptor").derive($child).expect("Derivation error").address(bitcoin::Network::Regtest).expect("No address form")
+ });
+ ( @e $descriptors:expr, $child:expr ) => ({ testutils!(@external $descriptors, $child) });
+ ( @i $descriptors:expr, $child:expr ) => ({ testutils!(@internal $descriptors, $child) });
+
+ ( @tx ( $( ( $( $addr:tt )* ) => $amount:expr ),+ ) $( ( @locktime $locktime:expr ) )* $( ( @confirmations $confirmations:expr ) )* $( ( @replaceable $replaceable:expr ) )* ) => ({
+ let mut outs = Vec::new();
+ $( outs.push(testutils::TestIncomingOutput::new($amount, testutils!( $($addr)* ))); )+
+
+ let mut locktime = None::<i64>;
+ $( locktime = Some($locktime); )*
+
+ let mut min_confirmations = None::<u64>;
+ $( min_confirmations = Some($confirmations); )*
+
+ let mut replaceable = None::<bool>;
+ $( replaceable = Some($replaceable); )*
+
+ testutils::TestIncomingTx::new(outs, min_confirmations, locktime, replaceable)
+ });
+
+ ( @literal $key:expr ) => ({
+ let key = $key.to_string();
+ (key, None::<String>, None::<String>)
+ });
+ ( @generate_xprv $( $external_path:expr )* $( ,$internal_path:expr )* ) => ({
+ use rand::Rng;
+
+ let mut seed = [0u8; 32];
+ rand::thread_rng().fill(&mut seed[..]);
+
+ let key = bitcoin::util::bip32::ExtendedPrivKey::new_master(
+ bitcoin::Network::Testnet,
+ &seed,
+ );
+
+ let mut external_path = None::<String>;
+ $( external_path = Some($external_path.to_string()); )*
+
+ let mut internal_path = None::<String>;
+ $( internal_path = Some($internal_path.to_string()); )*
+
+ (key.unwrap().to_string(), external_path, internal_path)
+ });
+ ( @generate_wif ) => ({
+ use rand::Rng;
+
+ let mut key = [0u8; bitcoin::secp256k1::constants::SECRET_KEY_SIZE];
+ rand::thread_rng().fill(&mut key[..]);
+
+ (bitcoin::PrivateKey {
+ compressed: true,
+ network: bitcoin::Network::Testnet,
+ key: bitcoin::secp256k1::SecretKey::from_slice(&key).unwrap(),
+ }.to_string(), None::<String>, None::<String>)
+ });
+
+ ( @keys ( $( $alias:expr => ( $( $key_type:tt )* ) ),+ ) ) => ({
+ let mut map = std::collections::HashMap::new();
+ $(
+ let alias: &str = $alias;
+ map.insert(alias, testutils!( $($key_type)* ));
+ )+
+
+ map
+ });
+
+ ( @descriptors ( $external_descriptor:expr ) $( ( $internal_descriptor:expr ) )* $( ( @keys $( $keys:tt )* ) )* ) => ({
+ use std::str::FromStr;
+ use std::collections::HashMap;
+ use std::convert::TryInto;
+
+ let mut keys: HashMap<&'static str, (String, Option<String>, Option<String>)> = HashMap::new();
+ $(
+ keys = testutils!{ @keys $( $keys )* };
+ )*
+
+ let external: Descriptor<String> = FromStr::from_str($external_descriptor).unwrap();
+ let external: Descriptor<String> = external.translate_pk::<_, _, _, &'static str>(|k| {
+ if let Some((key, ext_path, _)) = keys.get(&k.as_str()) {
+ Ok(format!("{}{}", key, ext_path.as_ref().unwrap_or(&"".into())))
+ } else {
+ Ok(k.clone())
+ }
+ }, |kh| {
+ if let Some((key, ext_path, _)) = keys.get(&kh.as_str()) {
+ Ok(format!("{}{}", key, ext_path.as_ref().unwrap_or(&"".into())))
+ } else {
+ Ok(kh.clone())
+ }
+
+ }).unwrap();
+ let external: ExtendedDescriptor = external.try_into().unwrap();
+
+ let mut internal = None::<ExtendedDescriptor>;
+ $(
+ let string_internal: Descriptor<String> = FromStr::from_str($internal_descriptor).unwrap();
+
+ let string_internal: Descriptor<String> = string_internal.translate_pk::<_, _, _, &'static str>(|k| {
+ if let Some((key, _, int_path)) = keys.get(&k.as_str()) {
+ Ok(format!("{}{}", key, int_path.as_ref().unwrap_or(&"".into())))
+ } else {
+ Ok(k.clone())
+ }
+ }, |kh| {
+ if let Some((key, _, int_path)) = keys.get(&kh.as_str()) {
+ Ok(format!("{}{}", key, int_path.as_ref().unwrap_or(&"".into())))
+ } else {
+ Ok(kh.clone())
+ }
+
+ }).unwrap();
+ internal = Some(string_internal.try_into().unwrap());
+
+ )*
+
+ (external, internal)
+ })
+}
+
+fn exponential_backoff_poll<T, F>(mut poll: F) -> T
+where
+ F: FnMut() -> Option<T>,
+{
+ let mut delay = Duration::from_millis(64);
+ loop {
+ match poll() {
+ Some(data) => break data,
+ None if delay.as_millis() < 512 => delay = delay.mul_f32(2.0),
+ None => {}
+ }
+
+ std::thread::sleep(delay);
+ }
+}
+
+impl TestClient {
+ pub fn new() -> Self {
+ let url = env::var("MAGICAL_RPC_URL").unwrap_or("127.0.0.1:18443".to_string());
+ let client = RpcClient::new(format!("http://{}", url), get_auth()).unwrap();
+ let electrum = ElectrumClient::new(&get_electrum_url(), None).unwrap();
+
+ TestClient { client, electrum }
+ }
+
+ fn wait_for_tx(&mut self, txid: Txid, monitor_script: &Script) {
+ // wait for electrs to index the tx
+ exponential_backoff_poll(|| {
+ trace!("wait_for_tx {}", txid);
+
+ self.electrum
+ .script_get_history(monitor_script)
+ .unwrap()
+ .iter()
+ .position(|entry| entry.tx_hash == txid)
+ });
+ }
+
+ fn wait_for_block(&mut self, min_height: usize) {
+ self.electrum.block_headers_subscribe().unwrap();
+
+ loop {
+ let header = exponential_backoff_poll(|| {
+ self.electrum.ping().unwrap();
+ self.electrum.block_headers_pop().unwrap()
+ });
+ if header.height >= min_height {
+ break;
+ }
+ }
+ }
+
+ pub fn receive(&mut self, meta_tx: TestIncomingTx) -> Txid {
+ assert!(
+ meta_tx.output.len() > 0,
+ "can't create a transaction with no outputs"
+ );
+
+ let mut map = HashMap::new();
+
+ let mut required_balance = 0;
+ for out in &meta_tx.output {
+ required_balance += out.value;
+ map.insert(out.to_address.clone(), Amount::from_sat(out.value));
+ }
+
+ if self.get_balance(None, None).unwrap() < Amount::from_sat(required_balance) {
+ panic!("Insufficient funds in bitcoind. Plase generate a few blocks with: `bitcoin-cli generatetoaddress 10 {}`", self.get_new_address(None, None).unwrap());
+ }
+
+ // FIXME: core can't create a tx with two outputs to the same address
+ let tx = self
+ .create_raw_transaction_hex(&[], &map, meta_tx.locktime, meta_tx.replaceable)
+ .unwrap();
+ let tx = self.fund_raw_transaction(tx, None, None).unwrap();
+ let mut tx: Transaction = deserialize(&tx.hex).unwrap();
+
+ if let Some(true) = meta_tx.replaceable {
+ // for some reason core doesn't set this field right
+ for input in &mut tx.input {
+ input.sequence = 0xFFFFFFFD;
+ }
+ }
+
+ let tx = self
+ .sign_raw_transaction_with_wallet(&serialize(&tx), None, None)
+ .unwrap();
+
+ // broadcast through electrum so that it caches the tx immediately
+ let txid = self
+ .electrum
+ .transaction_broadcast(&deserialize(&tx.hex).unwrap())
+ .unwrap();
+
+ if let Some(num) = meta_tx.min_confirmations {
+ self.generate(num);
+ }
+
+ let monitor_script = Address::from_str(&meta_tx.output[0].to_address)
+ .unwrap()
+ .script_pubkey();
+ self.wait_for_tx(txid, &monitor_script);
+
+ debug!("Sent tx: {}", txid);
+
+ txid
+ }
+
+ pub fn bump_fee(&mut self, txid: &Txid) -> Txid {
+ let tx = self.get_raw_transaction_info(txid, None).unwrap();
+ assert!(
+ tx.confirmations.is_none(),
+ "Can't bump tx {} because it's already confirmed",
+ txid
+ );
+
+ let bumped: serde_json::Value = self.call("bumpfee", &[txid.to_string().into()]).unwrap();
+ let new_txid = Txid::from_str(&bumped["txid"].as_str().unwrap().to_string()).unwrap();
+
+ let monitor_script =
+ tx.vout[0].script_pub_key.addresses.as_ref().unwrap()[0].script_pubkey();
+ self.wait_for_tx(new_txid, &monitor_script);
+
+ debug!("Bumped {}, new txid {}", txid, new_txid);
+
+ new_txid
+ }
+
+ pub fn generate_manually(&mut self, txs: Vec<Transaction>) -> String {
+ use bitcoin::blockdata::block::{Block, BlockHeader};
+ use bitcoin::blockdata::script::Builder;
+ use bitcoin::blockdata::transaction::{OutPoint, TxIn, TxOut};
+ use bitcoin::hash_types::{BlockHash, TxMerkleNode};
+ use bitcoin::util::hash::BitcoinHash;
+
+ let block_template: serde_json::Value = self
+ .call("getblocktemplate", &[json!({"rules": ["segwit"]})])
+ .unwrap();
+ trace!("getblocktemplate: {:#?}", block_template);
+
+ let header = BlockHeader {
+ version: block_template["version"].as_u64().unwrap() as u32,
+ prev_blockhash: BlockHash::from_hex(
+ block_template["previousblockhash"].as_str().unwrap(),
+ )
+ .unwrap(),
+ merkle_root: TxMerkleNode::default(),
+ time: block_template["curtime"].as_u64().unwrap() as u32,
+ bits: u32::from_str_radix(block_template["bits"].as_str().unwrap(), 16).unwrap(),
+ nonce: 0,
+ };
+ debug!("header: {:#?}", header);
+
+ let height = block_template["height"].as_u64().unwrap() as i64;
+ let witness_reserved_value: Vec<u8> = sha256d::Hash::default().as_ref().into();
+ // burn block subsidy and fees, not a big deal
+ let mut coinbase_tx = Transaction {
+ version: 1,
+ lock_time: 0,
+ input: vec![TxIn {
+ previous_output: OutPoint::null(),
+ script_sig: Builder::new().push_int(height).into_script(),
+ sequence: 0xFFFFFFFF,
+ witness: vec![witness_reserved_value],
+ }],
+ output: vec![],
+ };
+
+ let mut txdata = vec![coinbase_tx.clone()];
+ txdata.extend_from_slice(&txs);
+
+ let mut block = Block { header, txdata };
+
+ let witness_root = block.witness_root();
+ let witness_commitment =
+ Block::compute_witness_commitment(&witness_root, &coinbase_tx.input[0].witness[0]);
+
+ // now update and replace the coinbase tx
+ let mut coinbase_witness_commitment_script = vec![0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed];
+ coinbase_witness_commitment_script.extend_from_slice(&witness_commitment);
+
+ coinbase_tx.output.push(TxOut {
+ value: 0,
+ script_pubkey: coinbase_witness_commitment_script.into(),
+ });
+ block.txdata[0] = coinbase_tx;
+
+ // set merkle root
+ let merkle_root = block.merkle_root();
+ block.header.merkle_root = merkle_root;
+
+ assert!(block.check_merkle_root());
+ assert!(block.check_witness_commitment());
+
+ // now do PoW :)
+ let target = block.header.target();
+ while block.header.validate_pow(&target).is_err() {
+ block.header.nonce = block.header.nonce.checked_add(1).unwrap(); // panic if we run out of nonces
+ }
+
+ let block_hex: String = serialize(&block).to_hex();
+ debug!("generated block hex: {}", block_hex);
+
+ self.electrum.block_headers_subscribe().unwrap();
+
+ let submit_result: serde_json::Value =
+ self.call("submitblock", &[block_hex.into()]).unwrap();
+ debug!("submitblock: {:?}", submit_result);
+ assert!(
+ submit_result.is_null(),
+ "submitblock error: {:?}",
+ submit_result.as_str()
+ );
+
+ self.wait_for_block(height as usize);
+
+ block.header.bitcoin_hash().to_hex()
+ }
+
+ pub fn generate(&mut self, num_blocks: u64) {
+ let our_addr = self.get_new_address(None, None).unwrap();
+ let hashes = self.generate_to_address(num_blocks, &our_addr).unwrap();
+ let best_hash = hashes.last().unwrap();
+ let height = self.get_block_info(best_hash).unwrap().height;
+
+ self.wait_for_block(height);
+
+ debug!("Generated blocks to new height {}", height);
+ }
+
+ pub fn invalidate(&mut self, num_blocks: u64) {
+ self.electrum.block_headers_subscribe().unwrap();
+
+ let best_hash = self.get_best_block_hash().unwrap();
+ let initial_height = self.get_block_info(&best_hash).unwrap().height;
+
+ let mut to_invalidate = best_hash;
+ for i in 1..=num_blocks {
+ trace!(
+ "Invalidating block {}/{} ({})",
+ i,
+ num_blocks,
+ to_invalidate
+ );
+
+ self.invalidate_block(&to_invalidate).unwrap();
+ to_invalidate = self.get_best_block_hash().unwrap();
+ }
+
+ self.wait_for_block(initial_height - num_blocks as usize);
+
+ debug!(
+ "Invalidated {} blocks to new height of {}",
+ num_blocks,
+ initial_height - num_blocks as usize
+ );
+ }
+
+ pub fn reorg(&mut self, num_blocks: u64) {
+ self.invalidate(num_blocks);
+ self.generate(num_blocks);
+ }
+
+ pub fn get_node_address(&self, address_type: Option<AddressType>) -> Address {
+ Address::from_str(
+ &self
+ .get_new_address(None, address_type)
+ .unwrap()
+ .to_string(),
+ )
+ .unwrap()
+ }
+}
+
+impl Deref for TestClient {
+ type Target = RpcClient;
+
+ fn deref(&self) -> &Self::Target {
+ &self.client
+ }
+}