use bitcoin::consensus::Encodable;
use bitcoin::policy::MAX_STANDARD_TX_WEIGHT;
use bitcoin::{
- absolute::LockTime as AbsoluteLockTime, OutPoint, Sequence, Transaction, TxIn, TxOut,
+ absolute::LockTime as AbsoluteLockTime, OutPoint, ScriptBuf, Sequence, Transaction, TxIn, TxOut,
};
use crate::chain::chaininterface::fee_for_weight;
use crate::ln::channel::TOTAL_BITCOIN_SUPPLY_SATOSHIS;
use crate::ln::msgs::SerialId;
use crate::ln::{msgs, ChannelId};
-use crate::sign::EntropySource;
+use crate::sign::{EntropySource, P2TR_KEY_PATH_WITNESS_WEIGHT, P2WPKH_WITNESS_WEIGHT};
use crate::util::ser::TransactionU16LenLimited;
/// The number of received `tx_add_input` messages during a negotiation at which point the
/// negotiation.
const MAX_INPUTS_OUTPUTS_COUNT: usize = 252;
+/// The total weight of the common fields whose fee is paid by the initiator of the interactive
+/// transaction construction protocol.
+const TX_COMMON_FIELDS_WEIGHT: u64 = (4 /* version */ + 4 /* locktime */ + 1 /* input count */ +
+ 1 /* output count */) * WITNESS_SCALE_FACTOR as u64 + 2 /* segwit marker + flag */;
+
+// BOLT 3 - Lower bounds for input weights
+
+/// Lower bound for P2WPKH input weight
+pub(crate) const P2WPKH_INPUT_WEIGHT_LOWER_BOUND: u64 =
+ BASE_INPUT_WEIGHT + EMPTY_SCRIPT_SIG_WEIGHT + P2WPKH_WITNESS_WEIGHT;
+
+/// Lower bound for P2WSH input weight is chosen as same as P2WPKH input weight in BOLT 3
+pub(crate) const P2WSH_INPUT_WEIGHT_LOWER_BOUND: u64 = P2WPKH_INPUT_WEIGHT_LOWER_BOUND;
+
+/// Lower bound for P2TR input weight is chosen as the key spend path.
+/// Not specified in BOLT 3, but a reasonable lower bound.
+pub(crate) const P2TR_INPUT_WEIGHT_LOWER_BOUND: u64 =
+ BASE_INPUT_WEIGHT + EMPTY_SCRIPT_SIG_WEIGHT + P2TR_KEY_PATH_WITNESS_WEIGHT;
+
+/// Lower bound for unknown segwit version input weight is chosen the same as P2WPKH in BOLT 3
+pub(crate) const UNKNOWN_SEGWIT_VERSION_INPUT_WEIGHT_LOWER_BOUND: u64 =
+ P2WPKH_INPUT_WEIGHT_LOWER_BOUND;
+
trait SerialIdExt {
fn is_for_initiator(&self) -> bool;
fn is_for_non_initiator(&self) -> bool;
feerate_sat_per_kw: u32,
}
+pub(crate) fn get_output_weight(script_pubkey: &ScriptBuf) -> u64 {
+ (8 /* value */ + script_pubkey.consensus_encode(&mut sink()).unwrap() as u64)
+ * WITNESS_SCALE_FACTOR as u64
+}
+
impl NegotiationContext {
fn is_serial_id_valid_for_counterparty(&self, serial_id: &SerialId) -> bool {
// A received `SerialId`'s parity must match the role of the counterparty.
Ok(())
}
+ fn check_counterparty_fees(
+ &self, counterparty_inputs_value: u64, counterparty_outputs_value: u64,
+ ) -> Result<(), AbortReason> {
+ let mut counterparty_weight_contributed: u64 = self
+ .counterparty_outputs_contributed()
+ .map(|output| get_output_weight(&output.script_pubkey))
+ .sum();
+ // We don't know the counterparty's witnesses ahead of time obviously, so we use the lower bounds
+ // specified in BOLT 3.
+ let mut total_inputs_weight: u64 = 0;
+ for TxInputWithPrevOutput { prev_output, .. } in self.counterparty_inputs_contributed() {
+ total_inputs_weight =
+ total_inputs_weight.saturating_add(if prev_output.script_pubkey.is_v0_p2wpkh() {
+ P2WPKH_INPUT_WEIGHT_LOWER_BOUND
+ } else if prev_output.script_pubkey.is_v0_p2wsh() {
+ P2WSH_INPUT_WEIGHT_LOWER_BOUND
+ } else if prev_output.script_pubkey.is_v1_p2tr() {
+ P2TR_INPUT_WEIGHT_LOWER_BOUND
+ } else {
+ UNKNOWN_SEGWIT_VERSION_INPUT_WEIGHT_LOWER_BOUND
+ });
+ }
+ counterparty_weight_contributed =
+ counterparty_weight_contributed.saturating_add(total_inputs_weight);
+ let counterparty_fees_contributed =
+ counterparty_inputs_value.saturating_sub(counterparty_outputs_value);
+ let mut required_counterparty_contribution_fee =
+ fee_for_weight(self.feerate_sat_per_kw, counterparty_weight_contributed);
+ if !self.holder_is_initiator {
+ // if is the non-initiator:
+ // - the initiator's fees do not cover the common fields (version, segwit marker + flag,
+ // input count, output count, locktime)
+ let tx_common_fields_fee =
+ fee_for_weight(self.feerate_sat_per_kw, TX_COMMON_FIELDS_WEIGHT);
+ required_counterparty_contribution_fee += tx_common_fields_fee;
+ }
+ if counterparty_fees_contributed < required_counterparty_contribution_fee {
+ return Err(AbortReason::InsufficientFees);
+ }
+ Ok(())
+ }
+
fn build_transaction(self) -> Result<Transaction, AbortReason> {
// The receiving node:
// MUST fail the negotiation if:
return Err(AbortReason::ExceededNumberOfInputsOrOutputs);
}
- // TODO: How do we enforce their fees cover the witness without knowing its expected length?
- const INPUT_WEIGHT: u64 = BASE_INPUT_WEIGHT + EMPTY_SCRIPT_SIG_WEIGHT;
-
// - the peer's paid feerate does not meet or exceed the agreed feerate (based on the minimum fee).
- let mut counterparty_weight_contributed: u64 = self
- .counterparty_outputs_contributed()
- .map(|output| {
- (8 /* value */ + output.script_pubkey.consensus_encode(&mut sink()).unwrap() as u64)
- * WITNESS_SCALE_FACTOR as u64
- })
- .sum();
- counterparty_weight_contributed +=
- self.counterparty_inputs_contributed().count() as u64 * INPUT_WEIGHT;
- let counterparty_fees_contributed =
- counterparty_inputs_value.saturating_sub(counterparty_outputs_value);
- let mut required_counterparty_contribution_fee =
- fee_for_weight(self.feerate_sat_per_kw, counterparty_weight_contributed);
- if !self.holder_is_initiator {
- // if is the non-initiator:
- // - the initiator's fees do not cover the common fields (version, segwit marker + flag,
- // input count, output count, locktime)
- let tx_common_fields_weight =
- (4 /* version */ + 4 /* locktime */ + 1 /* input count */ + 1 /* output count */) *
- WITNESS_SCALE_FACTOR as u64 + 2 /* segwit marker + flag */;
- let tx_common_fields_fee =
- fee_for_weight(self.feerate_sat_per_kw, tx_common_fields_weight);
- required_counterparty_contribution_fee += tx_common_fields_fee;
- }
- if counterparty_fees_contributed < required_counterparty_contribution_fee {
- return Err(AbortReason::InsufficientFees);
- }
+ self.check_counterparty_fees(counterparty_inputs_value, counterparty_outputs_value)?;
// Inputs and outputs must be sorted by serial_id
let mut inputs = self.inputs.into_iter().collect::<Vec<_>>();
#[cfg(test)]
mod tests {
- use crate::chain::chaininterface::FEERATE_FLOOR_SATS_PER_KW;
+ use crate::chain::chaininterface::{fee_for_weight, FEERATE_FLOOR_SATS_PER_KW};
use crate::ln::channel::TOTAL_BITCOIN_SUPPLY_SATOSHIS;
use crate::ln::interactivetxs::{
generate_holder_serial_id, AbortReason, HandleTxCompleteValue, InteractiveTxConstructor,
use crate::util::ser::TransactionU16LenLimited;
use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::script::Builder;
+ use bitcoin::hashes::Hash;
+ use bitcoin::key::UntweakedPublicKey;
+ use bitcoin::secp256k1::{KeyPair, Secp256k1};
use bitcoin::{
absolute::LockTime as AbsoluteLockTime, OutPoint, Sequence, Transaction, TxIn, TxOut,
};
+ use bitcoin::{PubkeyHash, ScriptBuf, WPubkeyHash, WScriptHash};
use core::ops::Deref;
+ use super::{
+ get_output_weight, P2TR_INPUT_WEIGHT_LOWER_BOUND, P2WPKH_INPUT_WEIGHT_LOWER_BOUND,
+ P2WSH_INPUT_WEIGHT_LOWER_BOUND, TX_COMMON_FIELDS_WEIGHT,
+ };
+
+ const TEST_FEERATE_SATS_PER_KW: u32 = FEERATE_FLOOR_SATS_PER_KW * 10;
+
// A simple entropy source that works based on an atomic counter.
struct TestEntropySource(AtomicCounter);
impl EntropySource for TestEntropySource {
let (mut constructor_a, first_message_a) = InteractiveTxConstructor::new(
entropy_source,
channel_id,
- FEERATE_FLOOR_SATS_PER_KW * 10,
+ TEST_FEERATE_SATS_PER_KW,
true,
tx_locktime,
session.inputs_a,
let (mut constructor_b, first_message_b) = InteractiveTxConstructor::new(
entropy_source,
channel_id,
- FEERATE_FLOOR_SATS_PER_KW * 10,
+ TEST_FEERATE_SATS_PER_KW,
false,
tx_locktime,
session.inputs_b,
assert!(message_send_a.is_none());
assert!(message_send_b.is_none());
assert_eq!(final_tx_a, final_tx_b);
- assert!(session.expect_error.is_none());
+ assert!(session.expect_error.is_none(), "Test: {}", session.description);
+ }
+
+ #[derive(Debug, Clone, Copy)]
+ enum TestOutput {
+ P2WPKH(u64),
+ P2WSH(u64),
+ P2TR(u64),
+ // Non-witness type to test rejection.
+ P2PKH(u64),
}
- fn generate_tx(values: &[u64]) -> Transaction {
- generate_tx_with_locktime(values, 1337)
+ fn generate_tx(outputs: &[TestOutput]) -> Transaction {
+ generate_tx_with_locktime(outputs, 1337)
}
- fn generate_tx_with_locktime(values: &[u64], locktime: u32) -> Transaction {
+ fn generate_txout(output: &TestOutput) -> TxOut {
+ let secp_ctx = Secp256k1::new();
+ let (value, script_pubkey) = match output {
+ TestOutput::P2WPKH(value) => {
+ (*value, ScriptBuf::new_v0_p2wpkh(&WPubkeyHash::from_slice(&[1; 20]).unwrap()))
+ },
+ TestOutput::P2WSH(value) => {
+ (*value, ScriptBuf::new_v0_p2wsh(&WScriptHash::from_slice(&[2; 32]).unwrap()))
+ },
+ TestOutput::P2TR(value) => (
+ *value,
+ ScriptBuf::new_v1_p2tr(
+ &secp_ctx,
+ UntweakedPublicKey::from_keypair(
+ &KeyPair::from_seckey_slice(&secp_ctx, &[3; 32]).unwrap(),
+ )
+ .0,
+ None,
+ ),
+ ),
+ TestOutput::P2PKH(value) => {
+ (*value, ScriptBuf::new_p2pkh(&PubkeyHash::from_slice(&[4; 20]).unwrap()))
+ },
+ };
+
+ TxOut { value, script_pubkey }
+ }
+
+ fn generate_tx_with_locktime(outputs: &[TestOutput], locktime: u32) -> Transaction {
Transaction {
version: 2,
lock_time: AbsoluteLockTime::from_height(locktime).unwrap(),
input: vec![TxIn { ..Default::default() }],
- output: values
- .iter()
- .map(|value| TxOut {
- value: *value,
- script_pubkey: Builder::new()
- .push_opcode(opcodes::OP_TRUE)
- .into_script()
- .to_v0_p2wsh(),
- })
- .collect(),
+ output: outputs.iter().map(generate_txout).collect(),
}
}
- fn generate_inputs(values: &[u64]) -> Vec<(TxIn, TransactionU16LenLimited)> {
- let tx = generate_tx(values);
+ fn generate_inputs(outputs: &[TestOutput]) -> Vec<(TxIn, TransactionU16LenLimited)> {
+ let tx = generate_tx(outputs);
let txid = tx.txid();
tx.output
.iter()
.collect()
}
- fn generate_outputs(values: &[u64]) -> Vec<TxOut> {
- values
- .iter()
- .map(|value| TxOut {
- value: *value,
- script_pubkey: Builder::new()
- .push_opcode(opcodes::OP_TRUE)
- .into_script()
- .to_v0_p2wsh(),
- })
- .collect()
+ fn generate_p2wsh_script_pubkey() -> ScriptBuf {
+ Builder::new().push_opcode(opcodes::OP_TRUE).into_script().to_v0_p2wsh()
+ }
+
+ fn generate_p2wpkh_script_pubkey() -> ScriptBuf {
+ ScriptBuf::new_v0_p2wpkh(&WPubkeyHash::from_slice(&[1; 20]).unwrap())
+ }
+
+ fn generate_outputs(outputs: &[TestOutput]) -> Vec<TxOut> {
+ outputs.iter().map(generate_txout).collect()
}
fn generate_fixed_number_of_inputs(count: u16) -> Vec<(TxIn, TransactionU16LenLimited)> {
// Use unique locktime for each tx so outpoints are different across transactions
let tx = generate_tx_with_locktime(
- &vec![1_000_000; tx_output_count as usize],
+ &vec![TestOutput::P2WPKH(1_000_000); tx_output_count as usize],
(1337 + remaining).into(),
);
let txid = tx.txid();
fn generate_fixed_number_of_outputs(count: u16) -> Vec<TxOut> {
// Set a constant value for each TxOut
- generate_outputs(&vec![1_000_000; count as usize])
+ generate_outputs(&vec![TestOutput::P2WPKH(1_000_000); count as usize])
+ }
+
+ fn generate_p2sh_script_pubkey() -> ScriptBuf {
+ Builder::new().push_opcode(opcodes::OP_TRUE).into_script().to_p2sh()
}
fn generate_non_witness_output(value: u64) -> TxOut {
- TxOut {
- value,
- script_pubkey: Builder::new().push_opcode(opcodes::OP_TRUE).into_script().to_p2sh(),
- }
+ TxOut { value, script_pubkey: generate_p2sh_script_pubkey() }
}
#[test]
do_test_interactive_tx_constructor(TestSession {
description: "Single contribution, no initiator inputs",
inputs_a: vec![],
- outputs_a: generate_outputs(&[1_000_000]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::OutputsValueExceedsInputsValue, ErrorCulprit::NodeA)),
});
do_test_interactive_tx_constructor(TestSession {
description: "Single contribution, no initiator outputs",
- inputs_a: generate_inputs(&[1_000_000]),
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000)]),
outputs_a: vec![],
inputs_b: vec![],
outputs_b: vec![],
expect_error: None,
});
do_test_interactive_tx_constructor(TestSession {
- description: "Single contribution, insufficient fees",
- inputs_a: generate_inputs(&[1_000_000]),
- outputs_a: generate_outputs(&[1_000_000]),
+ description: "Single contribution, no fees",
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: Some((AbortReason::InsufficientFees, ErrorCulprit::NodeA)),
+ });
+ let p2wpkh_fee = fee_for_weight(TEST_FEERATE_SATS_PER_KW, P2WPKH_INPUT_WEIGHT_LOWER_BOUND);
+ let outputs_fee = fee_for_weight(
+ TEST_FEERATE_SATS_PER_KW,
+ get_output_weight(&generate_p2wpkh_script_pubkey()),
+ );
+ let tx_common_fields_fee =
+ fee_for_weight(TEST_FEERATE_SATS_PER_KW, TX_COMMON_FIELDS_WEIGHT);
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution, with P2WPKH input, insufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2wpkh_fee - outputs_fee - tx_common_fields_fee + 1, /* makes fees insuffcient for initiator */
+ )]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::InsufficientFees, ErrorCulprit::NodeA)),
});
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution with P2WPKH input, sufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2wpkh_fee - outputs_fee - tx_common_fields_fee,
+ )]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: None,
+ });
+ let p2wsh_fee = fee_for_weight(TEST_FEERATE_SATS_PER_KW, P2WSH_INPUT_WEIGHT_LOWER_BOUND);
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution, with P2WSH input, insufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2WSH(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2wsh_fee - outputs_fee - tx_common_fields_fee + 1, /* makes fees insuffcient for initiator */
+ )]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: Some((AbortReason::InsufficientFees, ErrorCulprit::NodeA)),
+ });
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution with P2WSH input, sufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2WSH(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2wsh_fee - outputs_fee - tx_common_fields_fee,
+ )]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: None,
+ });
+ let p2tr_fee = fee_for_weight(TEST_FEERATE_SATS_PER_KW, P2TR_INPUT_WEIGHT_LOWER_BOUND);
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution, with P2TR input, insufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2TR(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2tr_fee - outputs_fee - tx_common_fields_fee + 1, /* makes fees insuffcient for initiator */
+ )]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: Some((AbortReason::InsufficientFees, ErrorCulprit::NodeA)),
+ });
+ do_test_interactive_tx_constructor(TestSession {
+ description: "Single contribution with P2TR input, sufficient fees",
+ inputs_a: generate_inputs(&[TestOutput::P2TR(1_000_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(
+ 1_000_000 - p2tr_fee - outputs_fee - tx_common_fields_fee,
+ )]),
+ inputs_b: vec![],
+ outputs_b: vec![],
+ expect_error: None,
+ });
do_test_interactive_tx_constructor(TestSession {
description: "Initiator contributes sufficient fees, but non-initiator does not",
- inputs_a: generate_inputs(&[1_000_000]),
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000)]),
outputs_a: vec![],
- inputs_b: generate_inputs(&[100_000]),
- outputs_b: generate_outputs(&[100_000]),
+ inputs_b: generate_inputs(&[TestOutput::P2WPKH(100_000)]),
+ outputs_b: generate_outputs(&[TestOutput::P2WPKH(100_000)]),
expect_error: Some((AbortReason::InsufficientFees, ErrorCulprit::NodeB)),
});
do_test_interactive_tx_constructor(TestSession {
description: "Multi-input-output contributions from both sides",
- inputs_a: generate_inputs(&[1_000_000, 1_000_000]),
- outputs_a: generate_outputs(&[1_000_000, 200_000]),
- inputs_b: generate_inputs(&[1_000_000, 500_000]),
- outputs_b: generate_outputs(&[1_000_000, 400_000]),
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(1_000_000); 2]),
+ outputs_a: generate_outputs(&[
+ TestOutput::P2WPKH(1_000_000),
+ TestOutput::P2WPKH(200_000),
+ ]),
+ inputs_b: generate_inputs(&[
+ TestOutput::P2WPKH(1_000_000),
+ TestOutput::P2WPKH(500_000),
+ ]),
+ outputs_b: generate_outputs(&[
+ TestOutput::P2WPKH(1_000_000),
+ TestOutput::P2WPKH(400_000),
+ ]),
expect_error: None,
});
- let non_segwit_output_tx = {
- let mut tx = generate_tx(&[1_000_000]);
- tx.output.push(TxOut {
- script_pubkey: Builder::new()
- .push_opcode(opcodes::all::OP_RETURN)
- .into_script()
- .to_p2sh(),
- ..Default::default()
- });
-
- TransactionU16LenLimited::new(tx).unwrap()
- };
- let non_segwit_input = TxIn {
- previous_output: OutPoint {
- txid: non_segwit_output_tx.as_transaction().txid(),
- vout: 1,
- },
- sequence: Sequence::ENABLE_RBF_NO_LOCKTIME,
- ..Default::default()
- };
do_test_interactive_tx_constructor(TestSession {
description: "Prevout from initiator is not a witness program",
- inputs_a: vec![(non_segwit_input, non_segwit_output_tx)],
+ inputs_a: generate_inputs(&[TestOutput::P2PKH(1_000_000)]),
outputs_a: vec![],
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::PrevTxOutInvalid, ErrorCulprit::NodeA)),
});
- let tx = TransactionU16LenLimited::new(generate_tx(&[1_000_000])).unwrap();
+ let tx =
+ TransactionU16LenLimited::new(generate_tx(&[TestOutput::P2WPKH(1_000_000)])).unwrap();
let invalid_sequence_input = TxIn {
previous_output: OutPoint { txid: tx.as_transaction().txid(), vout: 0 },
..Default::default()
do_test_interactive_tx_constructor(TestSession {
description: "Invalid input sequence from initiator",
inputs_a: vec![(invalid_sequence_input, tx.clone())],
- outputs_a: generate_outputs(&[1_000_000]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::IncorrectInputSequenceValue, ErrorCulprit::NodeA)),
do_test_interactive_tx_constructor(TestSession {
description: "Duplicate prevout from initiator",
inputs_a: vec![(duplicate_input.clone(), tx.clone()), (duplicate_input, tx.clone())],
- outputs_a: generate_outputs(&[1_000_000]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::PrevTxOutInvalid, ErrorCulprit::NodeB)),
do_test_interactive_tx_constructor(TestSession {
description: "Non-initiator uses same prevout as initiator",
inputs_a: vec![(duplicate_input.clone(), tx.clone())],
- outputs_a: generate_outputs(&[1_000_000]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
inputs_b: vec![(duplicate_input.clone(), tx.clone())],
outputs_b: vec![],
expect_error: Some((AbortReason::PrevTxOutInvalid, ErrorCulprit::NodeA)),
do_test_interactive_tx_constructor(TestSession {
description: "Initiator sends an output below dust value",
inputs_a: vec![],
- outputs_a: generate_outputs(&[1]),
+ outputs_a: generate_outputs(&[TestOutput::P2WSH(
+ generate_p2wsh_script_pubkey().dust_value().to_sat() - 1,
+ )]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::BelowDustLimit, ErrorCulprit::NodeA)),
do_test_interactive_tx_constructor(TestSession {
description: "Initiator sends an output above maximum sats allowed",
inputs_a: vec![],
- outputs_a: generate_outputs(&[TOTAL_BITCOIN_SUPPLY_SATOSHIS + 1]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(TOTAL_BITCOIN_SUPPLY_SATOSHIS + 1)]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::ExceededMaximumSatsAllowed, ErrorCulprit::NodeA)),
do_test_interactive_tx_constructor(TestSession {
description: "Peer contributed more output value than inputs",
- inputs_a: generate_inputs(&[100_000]),
- outputs_a: generate_outputs(&[1_000_000]),
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(100_000)]),
+ outputs_a: generate_outputs(&[TestOutput::P2WPKH(1_000_000)]),
inputs_b: vec![],
outputs_b: vec![],
expect_error: Some((AbortReason::OutputsValueExceedsInputsValue, ErrorCulprit::NodeA)),
});
do_test_interactive_tx_constructor(TestSession {
description: "Peer contributed more than allowed number of outputs",
- inputs_a: generate_inputs(&[TOTAL_BITCOIN_SUPPLY_SATOSHIS]),
+ inputs_a: generate_inputs(&[TestOutput::P2WPKH(TOTAL_BITCOIN_SUPPLY_SATOSHIS)]),
outputs_a: generate_fixed_number_of_outputs(MAX_INPUTS_OUTPUTS_COUNT as u16 + 1),
inputs_b: vec![],
outputs_b: vec![],