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gui: use helper for unsigned tx max size

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This commit is contained in:
jp1ac4 2023-12-14 17:21:59 +00:00
parent dee069e723
commit e373ad45d4
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GPG Key ID: A7ACD32423568D7B
2 changed files with 11 additions and 10 deletions
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2
gui/Cargo.lock generated
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@ -2431,7 +2431,7 @@ dependencies = [
[[package]]
name = "liana"
version = "4.0.0"
source = "git+https://github.com/wizardsardine/liana?branch=master#87d1c55d2e5b6edc5cc2033759a6a936435b67b6"
source = "git+https://github.com/wizardsardine/liana?branch=master#dee069e72343a67607f4429125e4c80dc0d73055"
dependencies = [
"backtrace",
"bdk_coin_select",

19
gui/src/daemon/model.rs
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@ -38,9 +38,9 @@ pub struct SpendTx {
pub change_indexes: Vec<usize>,
pub spend_amount: Amount,
pub fee_amount: Option<Amount>,
/// The maximum size difference (in virtual bytes) of
/// an input in this transaction before and after satisfaction.
pub max_sat_vbytes: usize,
/// Maximum possible size of the unsigned transaction after satisfaction
/// (assuming all inputs are for the same descriptor).
pub max_vbytes: u64,
pub status: SpendStatus,
pub sigs: PartialSpendInfo,
pub updated_at: Option<u32>,
@ -63,7 +63,7 @@ impl SpendTx {
desc: &LianaDescriptor,
network: Network,
) -> Self {
let max_sat_vbytes = desc.max_sat_vbytes();
let max_vbytes = desc.unsigned_tx_max_vbytes(&psbt.unsigned_tx);
let mut change_indexes = Vec::new();
let (change_amount, spend_amount) = psbt.unsigned_tx.output.iter().enumerate().fold(
(Amount::from_sat(0), Amount::from_sat(0)),
@ -167,7 +167,7 @@ impl SpendTx {
change_indexes,
spend_amount,
fee_amount: inputs_amount.and_then(|a| a.checked_sub(spend_amount + change_amount)),
max_sat_vbytes,
max_vbytes,
status,
sigs,
network,
@ -203,10 +203,11 @@ impl SpendTx {
/// Feerate obtained if all transaction inputs have the maximum satisfaction size.
pub fn min_feerate_vb(&self) -> Option<u64> {
// This assumes all inputs are internal (have same max satisfaction size).
let max_tx_vbytes =
self.psbt.unsigned_tx.vsize() + (self.max_sat_vbytes * self.psbt.inputs.len());
self.fee_amount.map(|a| a.to_sat() / max_tx_vbytes as u64)
self.fee_amount.map(|a| {
a.to_sat()
.checked_div(self.max_vbytes)
.expect("a descriptor's satisfaction size is never 0")
})
}
pub fn is_send_to_self(&self) -> bool {