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Add process_and_select_coins function #727

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csralvall wants to merge 1 commit into from
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Add process_and_select_coins function #727

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14 changes: 13 additions & 1 deletion src/types.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ use std::convert::AsRef;
use std::ops::Sub;

use bitcoin::blockdata::transaction::{OutPoint, Transaction, TxOut};
use bitcoin::{hash_types::Txid, util::psbt};
use bitcoin::{hash_types::Txid, util::psbt, Script};

use serde::{Deserialize, Serialize};

Expand Down Expand Up @@ -177,6 +177,18 @@ pub struct WeightedUtxo {
pub utxo: Utxo,
}

/// A wallet owned script_pubkey with the weight of the `witness` + `scriptSig` in [weight units]
/// to spend from it.
/// Useful to optimize reducing the waste metric in coin selection algorithms.
/// [weight units]: <https://en.bitcoin.it/wiki/Weight_units>
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct WeightedScriptPubkey {
/// The weight of the witness data and `scriptSig` expressed in [weight units].
pub satisfaction_weight: usize,
/// The script_pubkey
pub script_pubkey: Script,
}

#[derive(Debug, Clone, PartialEq)]
/// An unspent transaction output (UTXO).
pub enum Utxo {
Expand Down
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