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// 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>, }