bdk/src/types.rs
2020-12-16 15:12:47 -08:00

122 lines
3.6 KiB
Rust

// Magical Bitcoin Library
// Written in 2020 by
// Alekos Filini <alekos.filini@gmail.com>
//
// Copyright (c) 2020 Magical Bitcoin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
use std::convert::AsRef;
use bitcoin::blockdata::transaction::{OutPoint, Transaction, TxOut};
use bitcoin::hash_types::Txid;
use serde::{Deserialize, Serialize};
/// Types of keychains
#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum KeychainKind {
/// External
External = 0,
/// Internal, usually used for change outputs
Internal = 1,
}
impl KeychainKind {
/// Return [`KeychainKind`] as a byte
pub fn as_byte(&self) -> u8 {
match self {
KeychainKind::External => b'e',
KeychainKind::Internal => b'i',
}
}
}
impl AsRef<[u8]> for KeychainKind {
fn as_ref(&self) -> &[u8] {
match self {
KeychainKind::External => b"e",
KeychainKind::Internal => b"i",
}
}
}
/// Fee rate
#[derive(Debug, Copy, Clone, PartialEq, PartialOrd)]
// Internally stored as satoshi/vbyte
pub struct FeeRate(f32);
impl FeeRate {
/// Create a new instance of [`FeeRate`] given a float fee rate in btc/kvbytes
pub fn from_btc_per_kvb(btc_per_kvb: f32) -> Self {
FeeRate(btc_per_kvb * 1e5)
}
/// Create a new instance of [`FeeRate`] given a float fee rate in satoshi/vbyte
pub fn from_sat_per_vb(sat_per_vb: f32) -> Self {
FeeRate(sat_per_vb)
}
/// Create a new [`FeeRate`] with the default min relay fee value
pub fn default_min_relay_fee() -> Self {
FeeRate(1.0)
}
/// Return the value as satoshi/vbyte
pub fn as_sat_vb(&self) -> f32 {
self.0
}
}
impl std::default::Default for FeeRate {
fn default() -> Self {
FeeRate::default_min_relay_fee()
}
}
/// A wallet unspent output
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
pub struct UTXO {
/// Reference to a transaction output
pub outpoint: OutPoint,
/// Transaction output
pub txout: TxOut,
/// Type of keychain
pub keychain: KeychainKind,
}
/// A wallet transaction
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, Default)]
pub struct TransactionDetails {
/// Optional transaction
pub transaction: Option<Transaction>,
/// Transaction id
pub txid: Txid,
/// Timestamp
pub timestamp: u64,
/// Received value (sats)
pub received: u64,
/// Sent value (sats)
pub sent: u64,
/// Fee value (sats)
pub fees: u64,
/// Confirmed in block height, `None` means unconfirmed
pub height: Option<u32>,
}