bitcoin_bech32/constants.rs
1// Copyright (c) 2017 Clark Moody
2//
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4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
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9//
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14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19// THE SOFTWARE.
20
21//! Human-readable constants for various cryptocurrencies
22//!
23//! The authoratative list of Human-readable parts for Bech32 addresses is
24//! maintained in [SLIP-0173](https://github.com/satoshilabs/slips/blob/master/slip-0173.md).
25
26use crate::imports::*;
27
28/// The cryptocurrency to act on
29#[derive(PartialEq, Eq, Debug, Clone, Copy, PartialOrd, Ord, Hash)]
30pub enum Network {
31 /// Bitcoin mainnet
32 Bitcoin,
33 /// Bitcoin testnet
34 Testnet,
35 /// Bitcoin signet,
36 Signet,
37 /// Bitcoin regtest,
38 Regtest,
39 /// Groestlcoin Mainnet
40 Groestlcoin,
41 /// Groestlcoin Testnet,
42 GroestlcoinTestnet,
43 /// Litecoin mainnet
44 Litecoin,
45 /// Litecoin testnet
46 LitecoinTestnet,
47 /// Vertcoin mainnet
48 Vertcoin,
49 /// Vertcoin testnet
50 VertcoinTestnet,
51}
52
53/// Returns the Human-readable part for the given network
54pub fn hrp(network: &Network) -> String {
55 match *network {
56 Network::Bitcoin => "bc".to_string(),
57 Network::Testnet => "tb".to_string(),
58 Network::Signet => "tb".to_string(),
59 Network::Groestlcoin => "grs".to_string(),
60 Network::GroestlcoinTestnet => "tgrs".to_string(),
61 Network::Litecoin => "ltc".to_string(),
62 Network::LitecoinTestnet => "tltc".to_string(),
63 Network::Vertcoin => "vtc".to_string(),
64 Network::VertcoinTestnet => "tvtc".to_string(),
65 Network::Regtest => "bcrt".to_string(),
66 }
67}
68
69/// Classify a Human-readable part as its cryptocurrency
70pub fn classify(hrp: &str) -> Option<Network> {
71 match hrp {
72 "bc" => Some(Network::Bitcoin),
73 "tb" => Some(Network::Testnet),
74 "grs" => Some(Network::Groestlcoin),
75 "tgrs" => Some(Network::GroestlcoinTestnet),
76 "ltc" => Some(Network::Litecoin),
77 "tltc" => Some(Network::LitecoinTestnet),
78 "vtc" => Some(Network::Vertcoin),
79 "tvtc" => Some(Network::VertcoinTestnet),
80 "bcrt" => Some(Network::Regtest),
81 _ => None,
82 }
83}