64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
pub use minisafe::{
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commands::{
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CreateSpendResult, GetAddressResult, GetInfoResult, ListCoinsEntry, ListCoinsResult,
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ListSpendEntry, ListSpendResult,
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},
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miniscript::bitcoin::{util::psbt::Psbt, Amount},
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};
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pub type Coin = ListCoinsEntry;
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#[derive(Debug, Clone)]
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pub struct SpendTx {
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pub coins: Vec<Coin>,
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pub psbt: Psbt,
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pub change_index: Option<usize>,
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pub spend_amount: Amount,
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pub fee_amount: Amount,
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pub status: SpendStatus,
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}
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#[derive(Debug, Clone)]
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pub enum SpendStatus {
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Pending,
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Deprecated,
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Broadcasted,
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}
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impl SpendTx {
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pub fn new(psbt: Psbt, change_index: Option<usize>, coins: Vec<Coin>) -> Self {
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let (change_amount, spend_amount) = psbt.unsigned_tx.output.iter().enumerate().fold(
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(Amount::from_sat(0), Amount::from_sat(0)),
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|(change, spend), (i, output)| {
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if Some(i) == change_index {
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(change + Amount::from_sat(output.value), spend)
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} else {
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(change, spend + Amount::from_sat(output.value))
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}
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},
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);
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let mut inputs_amount = Amount::from_sat(0);
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let mut status = SpendStatus::Pending;
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for coin in &coins {
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inputs_amount += coin.amount;
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if let Some(info) = coin.spend_info {
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if info.txid == psbt.unsigned_tx.txid() {
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status = SpendStatus::Broadcasted
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} else {
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status = SpendStatus::Deprecated
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}
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}
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}
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Self {
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coins,
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psbt,
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change_index,
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spend_amount,
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fee_amount: inputs_amount - spend_amount - change_amount,
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status,
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}
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}
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}
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