1277 lines
50 KiB
Rust
1277 lines
50 KiB
Rust
// Rust Bitcoin Library
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// Written in 2014 by
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// Andrew Poelstra <apoelstra@wpsoftware.net>
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// To the extent possible under law, the author(s) have dedicated all
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// copyright and related and neighboring rights to this software to
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// the public domain worldwide. This software is distributed without
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// any warranty.
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//
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// You should have received a copy of the CC0 Public Domain Dedication
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// along with this software.
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// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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//
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//! Bitcoin addresses.
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//!
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//! Support for ordinary base58 Bitcoin addresses and private keys.
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//!
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//! # Example: creating a new address from a randomly-generated key pair
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//!
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//! ```rust
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//! use bitcoin::network::constants::Network;
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//! use bitcoin::util::address::Address;
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//! use bitcoin::util::ecdsa;
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//! use bitcoin::secp256k1::Secp256k1;
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//! use bitcoin::secp256k1::rand::thread_rng;
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//!
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//! // Generate random key pair.
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//! let s = Secp256k1::new();
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//! let public_key = ecdsa::PublicKey::new(s.generate_keypair(&mut thread_rng()).1);
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//!
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//! // Generate pay-to-pubkey-hash address.
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//! let address = Address::p2pkh(&public_key, Network::Bitcoin);
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//! ```
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use prelude::*;
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use core::fmt;
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use core::num::ParseIntError;
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use core::str::FromStr;
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#[cfg(feature = "std")] use std::error;
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use secp256k1::{Secp256k1, Verification};
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use bech32;
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use hashes::Hash;
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use hash_types::{PubkeyHash, ScriptHash};
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use blockdata::{script, opcodes};
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use blockdata::constants::{PUBKEY_ADDRESS_PREFIX_MAIN, SCRIPT_ADDRESS_PREFIX_MAIN, PUBKEY_ADDRESS_PREFIX_TEST, SCRIPT_ADDRESS_PREFIX_TEST, MAX_SCRIPT_ELEMENT_SIZE};
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use network::constants::Network;
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use util::base58;
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use util::ecdsa;
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use util::taproot::TapBranchHash;
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use blockdata::script::Instruction;
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use util::schnorr::{TapTweak, UntweakedPublicKey, TweakedPublicKey};
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/// Address error.
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#[derive(Debug, PartialEq, Eq, Clone)]
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pub enum Error {
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/// Base58 encoding error.
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Base58(base58::Error),
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/// Bech32 encoding error.
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Bech32(bech32::Error),
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/// The bech32 payload was empty.
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EmptyBech32Payload,
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/// The wrong checksum algorithm was used. See BIP-0350.
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InvalidBech32Variant {
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/// Bech32 variant that is required by the used Witness version.
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expected: bech32::Variant,
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/// The actual Bech32 variant encoded in the address representation.
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found: bech32::Variant
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},
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/// Script version must be 0 to 16 inclusive.
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InvalidWitnessVersion(u8),
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/// Unable to parse witness version from string.
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UnparsableWitnessVersion(ParseIntError),
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/// Bitcoin script opcode does not match any known witness version, the script is malformed.
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MalformedWitnessVersion,
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/// The witness program must be between 2 and 40 bytes in length.
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InvalidWitnessProgramLength(usize),
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/// A v0 witness program must be either of length 20 or 32.
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InvalidSegwitV0ProgramLength(usize),
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/// An uncompressed pubkey was used where it is not allowed.
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UncompressedPubkey,
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/// Address size more than 520 bytes is not allowed.
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ExcessiveScriptSize
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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Error::Base58(_) => write!(f, "base58 address encoding error"),
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Error::Bech32(_) => write!(f, "bech32 address encoding error"),
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Error::EmptyBech32Payload => write!(f, "the bech32 payload was empty"),
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Error::InvalidBech32Variant { expected, found } => write!(f, "invalid bech32 checksum variant found {:?} when {:?} was expected", found, expected),
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Error::InvalidWitnessVersion(v) => write!(f, "invalid witness script version: {}", v),
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Error::UnparsableWitnessVersion(_) => write!(f, "incorrect format of a witness version byte"),
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Error::MalformedWitnessVersion => f.write_str("bitcoin script opcode does not match any known witness version, the script is malformed"),
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Error::InvalidWitnessProgramLength(l) => write!(f,
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"the witness program must be between 2 and 40 bytes in length: length={}", l,
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),
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Error::InvalidSegwitV0ProgramLength(l) => write!(f,
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"a v0 witness program must be either of length 20 or 32 bytes: length={}", l,
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),
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Error::UncompressedPubkey => write!(f,
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"an uncompressed pubkey was used where it is not allowed",
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),
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Error::ExcessiveScriptSize => write!(f,
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"Script size exceed 520 bytes")
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}
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}
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}
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#[cfg(feature = "std")]
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#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
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impl ::std::error::Error for Error {
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fn cause(&self) -> Option<&dyn error::Error> {
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match *self {
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Error::Base58(ref e) => Some(e),
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Error::Bech32(ref e) => Some(e),
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Error::UnparsableWitnessVersion(ref e) => Some(e),
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_ => None,
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}
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}
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}
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#[doc(hidden)]
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impl From<base58::Error> for Error {
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fn from(e: base58::Error) -> Error {
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Error::Base58(e)
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}
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}
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#[doc(hidden)]
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impl From<bech32::Error> for Error {
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fn from(e: bech32::Error) -> Error {
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Error::Bech32(e)
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}
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}
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/// The different types of addresses.
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub enum AddressType {
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/// Pay to pubkey hash.
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P2pkh,
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/// Pay to script hash.
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P2sh,
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/// Pay to witness pubkey hash.
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P2wpkh,
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/// Pay to witness script hash.
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P2wsh,
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/// Pay to taproot.
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P2tr,
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}
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impl fmt::Display for AddressType {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.write_str(match *self {
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AddressType::P2pkh => "p2pkh",
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AddressType::P2sh => "p2sh",
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AddressType::P2wpkh => "p2wpkh",
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AddressType::P2wsh => "p2wsh",
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AddressType::P2tr => "p2tr",
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})
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}
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}
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impl FromStr for AddressType {
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type Err = ();
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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match s {
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"p2pkh" => Ok(AddressType::P2pkh),
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"p2sh" => Ok(AddressType::P2sh),
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"p2wpkh" => Ok(AddressType::P2wpkh),
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"p2wsh" => Ok(AddressType::P2wsh),
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"p2tr" => Ok(AddressType::P2tr),
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_ => Err(()),
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}
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}
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}
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/// Version of the witness program.
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///
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/// Helps limit possible versions of the witness according to the specification. If a plain `u8`
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/// type was used instead it would mean that the version may be > 16, which would be incorrect.
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///
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/// First byte of `scriptPubkey` in transaction output for transactions starting with opcodes
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/// ranging from 0 to 16 (inclusive).
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#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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#[repr(u8)]
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pub enum WitnessVersion {
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/// Initial version of witness program. Used for P2WPKH and P2WPK outputs
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V0 = 0,
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/// Version of witness program used for Taproot P2TR outputs.
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V1 = 1,
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/// Future (unsupported) version of witness program.
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V2 = 2,
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/// Future (unsupported) version of witness program.
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V3 = 3,
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/// Future (unsupported) version of witness program.
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V4 = 4,
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/// Future (unsupported) version of witness program.
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V5 = 5,
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/// Future (unsupported) version of witness program.
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V6 = 6,
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/// Future (unsupported) version of witness program.
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V7 = 7,
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/// Future (unsupported) version of witness program.
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V8 = 8,
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/// Future (unsupported) version of witness program.
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V9 = 9,
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/// Future (unsupported) version of witness program.
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V10 = 10,
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/// Future (unsupported) version of witness program.
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V11 = 11,
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/// Future (unsupported) version of witness program.
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V12 = 12,
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/// Future (unsupported) version of witness program.
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V13 = 13,
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/// Future (unsupported) version of witness program.
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V14 = 14,
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/// Future (unsupported) version of witness program.
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V15 = 15,
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/// Future (unsupported) version of witness program.
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V16 = 16,
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}
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/// Prints [`WitnessVersion`] number (from 0 to 16) as integer, without
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/// any prefix or suffix.
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impl fmt::Display for WitnessVersion {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", *self as u8)
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}
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}
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impl FromStr for WitnessVersion {
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type Err = Error;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let version = s.parse().map_err(Error::UnparsableWitnessVersion)?;
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WitnessVersion::from_num(version)
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}
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}
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impl WitnessVersion {
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/// Converts 5-bit unsigned integer value matching single symbol from Bech32(m) address encoding
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/// ([`bech32::u5`]) into [`WitnessVersion`] variant.
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///
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/// # Returns
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/// Version of the Witness program.
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///
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/// # Errors
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/// If the integer does not correspond to any witness version, errors with
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/// [`Error::InvalidWitnessVersion`].
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pub fn from_u5(value: ::bech32::u5) -> Result<Self, Error> {
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WitnessVersion::from_num(value.to_u8())
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}
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/// Converts an 8-bit unsigned integer value into [`WitnessVersion`] variant.
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///
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/// # Returns
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/// Version of the Witness program.
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///
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/// # Errors
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/// If the integer does not correspond to any witness version, errors with
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/// [`Error::InvalidWitnessVersion`].
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pub fn from_num(no: u8) -> Result<Self, Error> {
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Ok(match no {
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0 => WitnessVersion::V0,
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1 => WitnessVersion::V1,
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2 => WitnessVersion::V2,
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3 => WitnessVersion::V3,
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4 => WitnessVersion::V4,
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5 => WitnessVersion::V5,
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6 => WitnessVersion::V6,
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7 => WitnessVersion::V7,
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8 => WitnessVersion::V8,
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9 => WitnessVersion::V9,
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10 => WitnessVersion::V10,
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11 => WitnessVersion::V11,
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12 => WitnessVersion::V12,
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13 => WitnessVersion::V13,
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14 => WitnessVersion::V14,
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15 => WitnessVersion::V15,
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16 => WitnessVersion::V16,
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wrong => return Err(Error::InvalidWitnessVersion(wrong)),
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})
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}
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/// Converts bitcoin script opcode into [`WitnessVersion`] variant.
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///
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/// # Returns
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/// Version of the Witness program (for opcodes in range of `OP_0`..`OP_16`).
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///
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/// # Errors
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/// If the opcode does not correspond to any witness version, errors with
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/// [`Error::MalformedWitnessVersion`].
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pub fn from_opcode(opcode: opcodes::All) -> Result<Self, Error> {
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match opcode.into_u8() {
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0 => Ok(WitnessVersion::V0),
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version if version >= opcodes::all::OP_PUSHNUM_1.into_u8() && version <= opcodes::all::OP_PUSHNUM_16.into_u8() =>
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WitnessVersion::from_num(version - opcodes::all::OP_PUSHNUM_1.into_u8() + 1),
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_ => Err(Error::MalformedWitnessVersion)
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}
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}
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/// Converts bitcoin script [`Instruction`] (parsed opcode) into [`WitnessVersion`] variant.
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///
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/// # Returns
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/// Version of the Witness program for [`Instruction::Op`] and [`Instruction::PushBytes`] with
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/// byte value within `1..=16` range.
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///
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/// # Errors
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/// If the opcode does not correspond to any witness version, errors with
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/// [`Error::MalformedWitnessVersion`] for the rest of opcodes.
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pub fn from_instruction(instruction: Instruction) -> Result<Self, Error> {
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match instruction {
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Instruction::Op(op) => WitnessVersion::from_opcode(op),
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Instruction::PushBytes(bytes) if bytes.is_empty() => Ok(WitnessVersion::V0),
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Instruction::PushBytes(_) => Err(Error::MalformedWitnessVersion),
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}
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}
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/// Returns integer version number representation for a given [`WitnessVersion`] value.
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///
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/// NB: this is not the same as an integer representation of the opcode signifying witness
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/// version in bitcoin script. Thus, there is no function to directly convert witness version
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/// into a byte since the conversion requires context (bitcoin script or just a version number).
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pub fn into_num(self) -> u8 {
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self as u8
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}
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/// Determines the checksum variant. See BIP-0350 for specification.
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pub fn bech32_variant(&self) -> bech32::Variant {
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match self {
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WitnessVersion::V0 => bech32::Variant::Bech32,
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_ => bech32::Variant::Bech32m,
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}
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}
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}
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impl From<WitnessVersion> for ::bech32::u5 {
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/// Converts [`WitnessVersion`] instance into corresponding Bech32(m) u5-value ([`bech32::u5`]).
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fn from(version: WitnessVersion) -> Self {
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::bech32::u5::try_from_u8(version.into_num()).expect("WitnessVersion must be 0..=16")
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}
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}
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impl From<WitnessVersion> for opcodes::All {
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/// Converts [`WitnessVersion`] instance into corresponding Bitcoin scriptopcode (`OP_0`..`OP_16`).
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fn from(version: WitnessVersion) -> opcodes::All {
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match version {
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WitnessVersion::V0 => opcodes::all::OP_PUSHBYTES_0,
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no => opcodes::All::from(opcodes::all::OP_PUSHNUM_1.into_u8() + no.into_num() - 1)
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}
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}
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}
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/// The method used to produce an address.
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub enum Payload {
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/// P2PKH address.
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PubkeyHash(PubkeyHash),
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/// P2SH address.
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ScriptHash(ScriptHash),
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/// Segwit address.
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WitnessProgram {
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/// The witness program version.
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version: WitnessVersion,
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/// The witness program.
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program: Vec<u8>,
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},
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}
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impl Payload {
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/// Constructs a [Payload] from an output script (`scriptPubkey`).
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pub fn from_script(script: &script::Script) -> Option<Payload> {
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Some(if script.is_p2pkh() {
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let mut hash_inner = [0u8; 20];
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hash_inner.copy_from_slice(&script.as_bytes()[3..23]);
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Payload::PubkeyHash(PubkeyHash::from_inner(hash_inner))
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} else if script.is_p2sh() {
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let mut hash_inner = [0u8; 20];
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hash_inner.copy_from_slice(&script.as_bytes()[2..22]);
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Payload::ScriptHash(ScriptHash::from_inner(hash_inner))
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} else if script.is_witness_program() {
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Payload::WitnessProgram {
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version: WitnessVersion::from_opcode(opcodes::All::from(script[0])).ok()?,
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program: script[2..].to_vec(),
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}
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} else {
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return None;
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})
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}
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/// Generates a script pubkey spending to this [Payload].
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pub fn script_pubkey(&self) -> script::Script {
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match *self {
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Payload::PubkeyHash(ref hash) =>
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script::Script::new_p2pkh(hash),
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Payload::ScriptHash(ref hash) =>
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script::Script::new_p2sh(hash),
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Payload::WitnessProgram {
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version,
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program: ref prog,
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} => script::Script::new_witness_program(version, prog)
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}
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}
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/// Creates a pay to (compressed) public key hash payload from a public key
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#[inline]
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pub fn p2pkh(pk: &ecdsa::PublicKey) -> Payload {
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Payload::PubkeyHash(pk.pubkey_hash())
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}
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/// Creates a pay to script hash P2SH payload from a script
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#[inline]
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pub fn p2sh(script: &script::Script) -> Result<Payload, Error> {
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if script.len() > MAX_SCRIPT_ELEMENT_SIZE {
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return Err(Error::ExcessiveScriptSize);
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}
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Ok(Payload::ScriptHash(script.script_hash()))
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}
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/// Create a witness pay to public key payload from a public key
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pub fn p2wpkh(pk: &ecdsa::PublicKey) -> Result<Payload, Error> {
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Ok(Payload::WitnessProgram {
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version: WitnessVersion::V0,
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program: pk.wpubkey_hash().ok_or(Error::UncompressedPubkey)?.to_vec(),
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})
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}
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/// Create a pay to script payload that embeds a witness pay to public key
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pub fn p2shwpkh(pk: &ecdsa::PublicKey) -> Result<Payload, Error> {
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let builder = script::Builder::new()
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.push_int(0)
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.push_slice(&pk.wpubkey_hash().ok_or(Error::UncompressedPubkey)?);
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Ok(Payload::ScriptHash(builder.into_script().script_hash()))
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}
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/// Create a witness pay to script hash payload.
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pub fn p2wsh(script: &script::Script) -> Payload {
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Payload::WitnessProgram {
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version: WitnessVersion::V0,
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program: script.wscript_hash().to_vec(),
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}
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}
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/// Create a pay to script payload that embeds a witness pay to script hash address
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pub fn p2shwsh(script: &script::Script) -> Payload {
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let ws = script::Builder::new()
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.push_int(0)
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.push_slice(&script.wscript_hash())
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.into_script();
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Payload::ScriptHash(ws.script_hash())
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}
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/// Create a pay to taproot payload from untweaked key
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pub fn p2tr<C: Verification>(
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secp: &Secp256k1<C>,
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internal_key: UntweakedPublicKey,
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merkle_root: Option<TapBranchHash>,
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) -> Payload {
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let (output_key, _parity) = internal_key.tap_tweak(secp, merkle_root);
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Payload::WitnessProgram {
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version: WitnessVersion::V1,
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program: output_key.into_inner().serialize().to_vec(),
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}
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}
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/// Create a pay to taproot payload from a pre-tweaked output key.
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///
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/// This method is not recommended for use and [Payload::p2tr()] should be used where possible.
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pub fn p2tr_tweaked(output_key: TweakedPublicKey) -> Payload {
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Payload::WitnessProgram {
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version: WitnessVersion::V1,
|
|
program: output_key.as_inner().serialize().to_vec(),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// A utility struct to encode an address payload with the given parameters.
|
|
/// This is a low-level utility struct. Consider using `Address` instead.
|
|
pub struct AddressEncoding<'a> {
|
|
/// The address payload to encode.
|
|
pub payload: &'a Payload,
|
|
/// base58 version byte for p2pkh payloads (e.g. 0x00 for "1..." addresses).
|
|
pub p2pkh_prefix: u8,
|
|
/// base58 version byte for p2sh payloads (e.g. 0x05 for "3..." addresses).
|
|
pub p2sh_prefix: u8,
|
|
/// hrp used in bech32 addresss (e.g. "bc" for "bc1..." addresses).
|
|
pub bech32_hrp: &'a str,
|
|
}
|
|
|
|
impl<'a> fmt::Display for AddressEncoding<'a> {
|
|
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
|
match self.payload {
|
|
Payload::PubkeyHash(hash) => {
|
|
let mut prefixed = [0; 21];
|
|
prefixed[0] = self.p2pkh_prefix;
|
|
prefixed[1..].copy_from_slice(&hash[..]);
|
|
base58::check_encode_slice_to_fmt(fmt, &prefixed[..])
|
|
}
|
|
Payload::ScriptHash(hash) => {
|
|
let mut prefixed = [0; 21];
|
|
prefixed[0] = self.p2sh_prefix;
|
|
prefixed[1..].copy_from_slice(&hash[..]);
|
|
base58::check_encode_slice_to_fmt(fmt, &prefixed[..])
|
|
}
|
|
Payload::WitnessProgram {
|
|
version,
|
|
program: prog,
|
|
} => {
|
|
let mut upper_writer;
|
|
let writer = if fmt.alternate() {
|
|
upper_writer = UpperWriter(fmt);
|
|
&mut upper_writer as &mut dyn fmt::Write
|
|
} else {
|
|
fmt as &mut dyn fmt::Write
|
|
};
|
|
let mut bech32_writer =
|
|
bech32::Bech32Writer::new(self.bech32_hrp, version.bech32_variant(), writer)?;
|
|
bech32::WriteBase32::write_u5(&mut bech32_writer, (*version).into())?;
|
|
bech32::ToBase32::write_base32(&prog, &mut bech32_writer)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
|
/// A Bitcoin address.
|
|
pub struct Address {
|
|
/// The type of the address.
|
|
pub payload: Payload,
|
|
/// The network on which this address is usable.
|
|
pub network: Network,
|
|
}
|
|
serde_string_impl!(Address, "a Bitcoin address");
|
|
|
|
impl Address {
|
|
/// Creates a pay to (compressed) public key hash address from a public key.
|
|
///
|
|
/// This is the preferred non-witness type address.
|
|
#[inline]
|
|
pub fn p2pkh(pk: &ecdsa::PublicKey, network: Network) -> Address {
|
|
Address {
|
|
network,
|
|
payload: Payload::p2pkh(pk),
|
|
}
|
|
}
|
|
|
|
/// Creates a pay to script hash P2SH address from a script.
|
|
///
|
|
/// This address type was introduced with BIP16 and is the popular type to implement multi-sig
|
|
/// these days.
|
|
#[inline]
|
|
pub fn p2sh(script: &script::Script, network: Network) -> Result<Address, Error> {
|
|
Ok(Address {
|
|
network,
|
|
payload: Payload::p2sh(script)?,
|
|
})
|
|
}
|
|
|
|
/// Creates a witness pay to public key address from a public key.
|
|
///
|
|
/// This is the native segwit address type for an output redeemable with a single signature.
|
|
///
|
|
/// # Errors
|
|
/// Will only return an error if an uncompressed public key is provided.
|
|
pub fn p2wpkh(pk: &ecdsa::PublicKey, network: Network) -> Result<Address, Error> {
|
|
Ok(Address {
|
|
network,
|
|
payload: Payload::p2wpkh(pk)?,
|
|
})
|
|
}
|
|
|
|
/// Creates a pay to script address that embeds a witness pay to public key.
|
|
///
|
|
/// This is a segwit address type that looks familiar (as p2sh) to legacy clients.
|
|
///
|
|
/// # Errors
|
|
/// Will only return an Error if an uncompressed public key is provided.
|
|
pub fn p2shwpkh(pk: &ecdsa::PublicKey, network: Network) -> Result<Address, Error> {
|
|
Ok(Address {
|
|
network,
|
|
payload: Payload::p2shwpkh(pk)?,
|
|
})
|
|
}
|
|
|
|
/// Creates a witness pay to script hash address.
|
|
pub fn p2wsh(script: &script::Script, network: Network) -> Address {
|
|
Address {
|
|
network,
|
|
payload: Payload::p2wsh(script),
|
|
}
|
|
}
|
|
|
|
/// Creates a pay to script address that embeds a witness pay to script hash address.
|
|
///
|
|
/// This is a segwit address type that looks familiar (as p2sh) to legacy clients.
|
|
pub fn p2shwsh(script: &script::Script, network: Network) -> Address {
|
|
Address {
|
|
network,
|
|
payload: Payload::p2shwsh(script),
|
|
}
|
|
}
|
|
|
|
/// Creates a pay to taproot address from an untweaked key.
|
|
pub fn p2tr<C: Verification>(
|
|
secp: &Secp256k1<C>,
|
|
internal_key: UntweakedPublicKey,
|
|
merkle_root: Option<TapBranchHash>,
|
|
network: Network
|
|
) -> Address {
|
|
Address {
|
|
network: network,
|
|
payload: Payload::p2tr(secp, internal_key, merkle_root),
|
|
}
|
|
}
|
|
|
|
/// Creates a pay to taproot address from a pre-tweaked output key.
|
|
///
|
|
/// This method is not recommended for use, [`Address::p2tr()`] should be used where possible.
|
|
pub fn p2tr_tweaked(
|
|
output_key: TweakedPublicKey,
|
|
network: Network
|
|
) -> Address {
|
|
Address {
|
|
network,
|
|
payload: Payload::p2tr_tweaked(output_key),
|
|
}
|
|
}
|
|
|
|
/// Gets the address type of the address.
|
|
///
|
|
/// # Returns
|
|
/// None if unknown, non-standard or related to the future witness version.
|
|
pub fn address_type(&self) -> Option<AddressType> {
|
|
match self.payload {
|
|
Payload::PubkeyHash(_) => Some(AddressType::P2pkh),
|
|
Payload::ScriptHash(_) => Some(AddressType::P2sh),
|
|
Payload::WitnessProgram {
|
|
version,
|
|
program: ref prog,
|
|
} => {
|
|
// BIP-141 p2wpkh or p2wsh addresses.
|
|
match version {
|
|
WitnessVersion::V0 => match prog.len() {
|
|
20 => Some(AddressType::P2wpkh),
|
|
32 => Some(AddressType::P2wsh),
|
|
_ => None,
|
|
},
|
|
WitnessVersion::V1 if prog.len() == 32 => Some(AddressType::P2tr),
|
|
_ => None,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Checks whether or not the address is following Bitcoin standardness rules.
|
|
///
|
|
/// SegWit addresses with unassigned witness versions or non-standard program sizes are
|
|
/// considered non-standard.
|
|
pub fn is_standard(&self) -> bool {
|
|
self.address_type().is_some()
|
|
}
|
|
|
|
/// Constructs an [`Address`] from an output script (`scriptPubkey`).
|
|
pub fn from_script(script: &script::Script, network: Network) -> Option<Address> {
|
|
Some(Address {
|
|
payload: Payload::from_script(script)?,
|
|
network,
|
|
})
|
|
}
|
|
|
|
/// Generates a script pubkey spending to this address.
|
|
pub fn script_pubkey(&self) -> script::Script {
|
|
self.payload.script_pubkey()
|
|
}
|
|
|
|
/// Creates a URI string *bitcoin:address* optimized to be encoded in QR codes.
|
|
///
|
|
/// If the address is bech32, both the schema and the address become uppercase.
|
|
/// If the address is base58, the schema is lowercase and the address is left mixed case.
|
|
///
|
|
/// Quoting BIP 173 "inside QR codes uppercase SHOULD be used, as those permit the use of
|
|
/// alphanumeric mode, which is 45% more compact than the normal byte mode."
|
|
pub fn to_qr_uri(&self) -> String {
|
|
let schema = match self.payload {
|
|
Payload::WitnessProgram { .. } => "BITCOIN",
|
|
_ => "bitcoin",
|
|
};
|
|
format!("{}:{:#}", schema, self)
|
|
}
|
|
|
|
/// Parsed addresses do not always have *one* network. The problem is that legacy testnet,
|
|
/// regtest and signet addresse use the same prefix instead of multiple different ones. When
|
|
/// parsing, such addresses are always assumed to be testnet addresses (the same is true for
|
|
/// bech32 signet addresses). So if one wants to check if an address belongs to a certain
|
|
/// network a simple comparison is not enough anymore. Instead this function can be used.
|
|
///
|
|
/// ```rust
|
|
/// use bitcoin::{Address, Network};
|
|
///
|
|
/// let address: Address = "2N83imGV3gPwBzKJQvWJ7cRUY2SpUyU6A5e".parse().unwrap();
|
|
/// assert!(address.is_valid_for_network(Network::Testnet));
|
|
/// assert!(address.is_valid_for_network(Network::Regtest));
|
|
/// assert!(address.is_valid_for_network(Network::Signet));
|
|
///
|
|
/// assert_eq!(address.is_valid_for_network(Network::Bitcoin), false);
|
|
///
|
|
/// let address: Address = "32iVBEu4dxkUQk9dJbZUiBiQdmypcEyJRf".parse().unwrap();
|
|
/// assert!(address.is_valid_for_network(Network::Bitcoin));
|
|
/// assert_eq!(address.is_valid_for_network(Network::Testnet), false);
|
|
/// ```
|
|
pub fn is_valid_for_network(&self, network: Network) -> bool {
|
|
let is_legacy = match self.address_type() {
|
|
Some(AddressType::P2pkh) | Some(AddressType::P2sh) => true,
|
|
_ => false
|
|
};
|
|
|
|
match (self.network, network) {
|
|
(a, b) if a == b => true,
|
|
(Network::Bitcoin, _) | (_, Network::Bitcoin) => false,
|
|
(Network::Regtest, _) | (_, Network::Regtest) if !is_legacy => false,
|
|
(Network::Testnet, _) | (Network::Regtest, _) | (Network::Signet, _) => true
|
|
}
|
|
}
|
|
}
|
|
|
|
// Alternate formatting `{:#}` is used to return uppercase version of bech32 addresses which should
|
|
// be used in QR codes, see [`Address::to_qr_uri`].
|
|
impl fmt::Display for Address {
|
|
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
|
let p2pkh_prefix = match self.network {
|
|
Network::Bitcoin => PUBKEY_ADDRESS_PREFIX_MAIN,
|
|
Network::Testnet | Network::Signet | Network::Regtest => PUBKEY_ADDRESS_PREFIX_TEST,
|
|
};
|
|
let p2sh_prefix = match self.network {
|
|
Network::Bitcoin => SCRIPT_ADDRESS_PREFIX_MAIN,
|
|
Network::Testnet | Network::Signet | Network::Regtest => SCRIPT_ADDRESS_PREFIX_TEST,
|
|
};
|
|
let bech32_hrp = match self.network {
|
|
Network::Bitcoin => "bc",
|
|
Network::Testnet | Network::Signet => "tb",
|
|
Network::Regtest => "bcrt",
|
|
};
|
|
let encoding = AddressEncoding {
|
|
payload: &self.payload,
|
|
p2pkh_prefix,
|
|
p2sh_prefix,
|
|
bech32_hrp,
|
|
};
|
|
encoding.fmt(fmt)
|
|
}
|
|
}
|
|
|
|
struct UpperWriter<W: fmt::Write>(W);
|
|
|
|
impl<W: fmt::Write> fmt::Write for UpperWriter<W> {
|
|
fn write_str(&mut self, s: &str) -> fmt::Result {
|
|
for c in s.chars() {
|
|
self.0.write_char(c.to_ascii_uppercase())?;
|
|
}
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
/// Extracts the bech32 prefix.
|
|
///
|
|
/// # Returns
|
|
/// The input slice if no prefix is found.
|
|
fn find_bech32_prefix(bech32: &str) -> &str {
|
|
// Split at the last occurrence of the separator character '1'.
|
|
match bech32.rfind('1') {
|
|
None => bech32,
|
|
Some(sep) => bech32.split_at(sep).0,
|
|
}
|
|
}
|
|
|
|
impl FromStr for Address {
|
|
type Err = Error;
|
|
|
|
fn from_str(s: &str) -> Result<Address, Error> {
|
|
// try bech32
|
|
let bech32_network = match find_bech32_prefix(s) {
|
|
// note that upper or lowercase is allowed but NOT mixed case
|
|
"bc" | "BC" => Some(Network::Bitcoin),
|
|
"tb" | "TB" => Some(Network::Testnet), // this may also be signet
|
|
"bcrt" | "BCRT" => Some(Network::Regtest),
|
|
_ => None,
|
|
};
|
|
if let Some(network) = bech32_network {
|
|
// decode as bech32
|
|
let (_, payload, variant) = bech32::decode(s)?;
|
|
if payload.is_empty() {
|
|
return Err(Error::EmptyBech32Payload);
|
|
}
|
|
|
|
// Get the script version and program (converted from 5-bit to 8-bit)
|
|
let (version, program): (WitnessVersion, Vec<u8>) = {
|
|
let (v, p5) = payload.split_at(1);
|
|
(WitnessVersion::from_u5(v[0])?, bech32::FromBase32::from_base32(p5)?)
|
|
};
|
|
|
|
if program.len() < 2 || program.len() > 40 {
|
|
return Err(Error::InvalidWitnessProgramLength(program.len()));
|
|
}
|
|
|
|
// Specific segwit v0 check.
|
|
if version == WitnessVersion::V0 && (program.len() != 20 && program.len() != 32) {
|
|
return Err(Error::InvalidSegwitV0ProgramLength(program.len()));
|
|
}
|
|
|
|
// Encoding check
|
|
let expected = version.bech32_variant();
|
|
if expected != variant {
|
|
return Err(Error::InvalidBech32Variant { expected, found: variant });
|
|
}
|
|
|
|
return Ok(Address {
|
|
payload: Payload::WitnessProgram {
|
|
version,
|
|
program,
|
|
},
|
|
network,
|
|
});
|
|
}
|
|
|
|
// Base58
|
|
if s.len() > 50 {
|
|
return Err(Error::Base58(base58::Error::InvalidLength(s.len() * 11 / 15)));
|
|
}
|
|
let data = base58::from_check(s)?;
|
|
if data.len() != 21 {
|
|
return Err(Error::Base58(base58::Error::InvalidLength(data.len())));
|
|
}
|
|
|
|
let (network, payload) = match data[0] {
|
|
PUBKEY_ADDRESS_PREFIX_MAIN => (
|
|
Network::Bitcoin,
|
|
Payload::PubkeyHash(PubkeyHash::from_slice(&data[1..]).unwrap()),
|
|
),
|
|
SCRIPT_ADDRESS_PREFIX_MAIN => (
|
|
Network::Bitcoin,
|
|
Payload::ScriptHash(ScriptHash::from_slice(&data[1..]).unwrap()),
|
|
),
|
|
PUBKEY_ADDRESS_PREFIX_TEST => (
|
|
Network::Testnet,
|
|
Payload::PubkeyHash(PubkeyHash::from_slice(&data[1..]).unwrap()),
|
|
),
|
|
SCRIPT_ADDRESS_PREFIX_TEST => (
|
|
Network::Testnet,
|
|
Payload::ScriptHash(ScriptHash::from_slice(&data[1..]).unwrap()),
|
|
),
|
|
x => return Err(Error::Base58(base58::Error::InvalidAddressVersion(x))),
|
|
};
|
|
|
|
Ok(Address {
|
|
network,
|
|
payload,
|
|
})
|
|
}
|
|
}
|
|
|
|
impl fmt::Debug for Address {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
fmt::Display::fmt(self, f)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use core::str::FromStr;
|
|
|
|
use hashes::hex::{FromHex, ToHex};
|
|
|
|
use blockdata::script::Script;
|
|
use network::constants::Network::{Bitcoin, Testnet};
|
|
use util::ecdsa::PublicKey;
|
|
use secp256k1::schnorrsig;
|
|
|
|
use super::*;
|
|
|
|
macro_rules! hex (($hex:expr) => (Vec::from_hex($hex).unwrap()));
|
|
macro_rules! hex_key (($hex:expr) => (PublicKey::from_slice(&hex!($hex)).unwrap()));
|
|
macro_rules! hex_script (($hex:expr) => (Script::from(hex!($hex))));
|
|
macro_rules! hex_pubkeyhash (($hex:expr) => (PubkeyHash::from_hex(&$hex).unwrap()));
|
|
macro_rules! hex_scripthash (($hex:expr) => (ScriptHash::from_hex($hex).unwrap()));
|
|
|
|
fn roundtrips(addr: &Address) {
|
|
assert_eq!(
|
|
Address::from_str(&addr.to_string()).unwrap(),
|
|
*addr,
|
|
"string round-trip failed for {}",
|
|
addr,
|
|
);
|
|
assert_eq!(
|
|
Address::from_script(&addr.script_pubkey(), addr.network).as_ref(),
|
|
Some(addr),
|
|
"script round-trip failed for {}",
|
|
addr,
|
|
);
|
|
//TODO: add serde roundtrip after no-strason PR
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2pkh_address_58() {
|
|
let addr = Address {
|
|
network: Bitcoin,
|
|
payload: Payload::PubkeyHash(hex_pubkeyhash!("162c5ea71c0b23f5b9022ef047c4a86470a5b070")),
|
|
};
|
|
|
|
assert_eq!(
|
|
addr.script_pubkey(),
|
|
hex_script!("76a914162c5ea71c0b23f5b9022ef047c4a86470a5b07088ac")
|
|
);
|
|
assert_eq!(&addr.to_string(), "132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2pkh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2pkh_from_key() {
|
|
let key = hex_key!("048d5141948c1702e8c95f438815794b87f706a8d4cd2bffad1dc1570971032c9b6042a0431ded2478b5c9cf2d81c124a5e57347a3c63ef0e7716cf54d613ba183");
|
|
let addr = Address::p2pkh(&key, Bitcoin);
|
|
assert_eq!(&addr.to_string(), "1QJVDzdqb1VpbDK7uDeyVXy9mR27CJiyhY");
|
|
|
|
let key = hex_key!(&"03df154ebfcf29d29cc10d5c2565018bce2d9edbab267c31d2caf44a63056cf99f");
|
|
let addr = Address::p2pkh(&key, Testnet);
|
|
assert_eq!(&addr.to_string(), "mqkhEMH6NCeYjFybv7pvFC22MFeaNT9AQC");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2pkh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2sh_address_58() {
|
|
let addr = Address {
|
|
network: Bitcoin,
|
|
payload: Payload::ScriptHash(hex_scripthash!("162c5ea71c0b23f5b9022ef047c4a86470a5b070")),
|
|
};
|
|
|
|
assert_eq!(
|
|
addr.script_pubkey(),
|
|
hex_script!("a914162c5ea71c0b23f5b9022ef047c4a86470a5b07087")
|
|
);
|
|
assert_eq!(&addr.to_string(), "33iFwdLuRpW1uK1RTRqsoi8rR4NpDzk66k");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2sh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2sh_parse() {
|
|
let script = hex_script!("552103a765fc35b3f210b95223846b36ef62a4e53e34e2925270c2c7906b92c9f718eb2103c327511374246759ec8d0b89fa6c6b23b33e11f92c5bc155409d86de0c79180121038cae7406af1f12f4786d820a1466eec7bc5785a1b5e4a387eca6d797753ef6db2103252bfb9dcaab0cd00353f2ac328954d791270203d66c2be8b430f115f451b8a12103e79412d42372c55dd336f2eb6eb639ef9d74a22041ba79382c74da2338fe58ad21035049459a4ebc00e876a9eef02e72a3e70202d3d1f591fc0dd542f93f642021f82102016f682920d9723c61b27f562eb530c926c00106004798b6471e8c52c60ee02057ae");
|
|
let addr = Address::p2sh(&script, Testnet).unwrap();
|
|
assert_eq!(&addr.to_string(), "2N3zXjbwdTcPsJiy8sUK9FhWJhqQCxA8Jjr");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2sh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2sh_parse_for_large_script(){
|
|
let script = hex_script!("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");
|
|
assert_eq!(Address::p2sh(&script, Testnet), Err(Error::ExcessiveScriptSize));
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2wpkh() {
|
|
// stolen from Bitcoin transaction: b3c8c2b6cfc335abbcb2c7823a8453f55d64b2b5125a9a61e8737230cdb8ce20
|
|
let mut key = hex_key!("033bc8c83c52df5712229a2f72206d90192366c36428cb0c12b6af98324d97bfbc");
|
|
let addr = Address::p2wpkh(&key, Bitcoin).unwrap();
|
|
assert_eq!(&addr.to_string(), "bc1qvzvkjn4q3nszqxrv3nraga2r822xjty3ykvkuw");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2wpkh));
|
|
roundtrips(&addr);
|
|
|
|
// Test uncompressed pubkey
|
|
key.compressed = false;
|
|
assert_eq!(Address::p2wpkh(&key, Bitcoin), Err(Error::UncompressedPubkey));
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2wsh() {
|
|
// stolen from Bitcoin transaction 5df912fda4becb1c29e928bec8d64d93e9ba8efa9b5b405bd683c86fd2c65667
|
|
let script = hex_script!("52210375e00eb72e29da82b89367947f29ef34afb75e8654f6ea368e0acdfd92976b7c2103a1b26313f430c4b15bb1fdce663207659d8cac749a0e53d70eff01874496feff2103c96d495bfdd5ba4145e3e046fee45e84a8a48ad05bd8dbb395c011a32cf9f88053ae");
|
|
let addr = Address::p2wsh(&script, Bitcoin);
|
|
assert_eq!(
|
|
&addr.to_string(),
|
|
"bc1qwqdg6squsna38e46795at95yu9atm8azzmyvckulcc7kytlcckxswvvzej"
|
|
);
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2wsh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2shwpkh() {
|
|
// stolen from Bitcoin transaction: ad3fd9c6b52e752ba21425435ff3dd361d6ac271531fc1d2144843a9f550ad01
|
|
let mut key = hex_key!("026c468be64d22761c30cd2f12cbc7de255d592d7904b1bab07236897cc4c2e766");
|
|
let addr = Address::p2shwpkh(&key, Bitcoin).unwrap();
|
|
assert_eq!(&addr.to_string(), "3QBRmWNqqBGme9er7fMkGqtZtp4gjMFxhE");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2sh));
|
|
roundtrips(&addr);
|
|
|
|
// Test uncompressed pubkey
|
|
key.compressed = false;
|
|
assert_eq!(Address::p2wpkh(&key, Bitcoin), Err(Error::UncompressedPubkey));
|
|
}
|
|
|
|
#[test]
|
|
fn test_p2shwsh() {
|
|
// stolen from Bitcoin transaction f9ee2be4df05041d0e0a35d7caa3157495ca4f93b233234c9967b6901dacf7a9
|
|
let script = hex_script!("522103e5529d8eaa3d559903adb2e881eb06c86ac2574ffa503c45f4e942e2a693b33e2102e5f10fcdcdbab211e0af6a481f5532536ec61a5fdbf7183770cf8680fe729d8152ae");
|
|
let addr = Address::p2shwsh(&script, Bitcoin);
|
|
assert_eq!(&addr.to_string(), "36EqgNnsWW94SreZgBWc1ANC6wpFZwirHr");
|
|
assert_eq!(addr.address_type(), Some(AddressType::P2sh));
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_non_existent_segwit_version() {
|
|
// 40-byte program
|
|
let program = hex!(
|
|
"654f6ea368e0acdfd92976b7c2103a1b26313f430654f6ea368e0acdfd92976b7c2103a1b26313f4"
|
|
);
|
|
let addr = Address {
|
|
payload: Payload::WitnessProgram {
|
|
version: WitnessVersion::V13,
|
|
program: program,
|
|
},
|
|
network: Network::Bitcoin,
|
|
};
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
#[test]
|
|
fn test_address_type() {
|
|
let addresses = [
|
|
("1QJVDzdqb1VpbDK7uDeyVXy9mR27CJiyhY", Some(AddressType::P2pkh)),
|
|
("33iFwdLuRpW1uK1RTRqsoi8rR4NpDzk66k", Some(AddressType::P2sh)),
|
|
("bc1qvzvkjn4q3nszqxrv3nraga2r822xjty3ykvkuw", Some(AddressType::P2wpkh)),
|
|
("bc1qwqdg6squsna38e46795at95yu9atm8azzmyvckulcc7kytlcckxswvvzej", Some(AddressType::P2wsh)),
|
|
("bc1p5cyxnuxmeuwuvkwfem96lqzszd02n6xdcjrs20cac6yqjjwudpxqkedrcr", Some(AddressType::P2tr)),
|
|
// Related to future extensions, addresses are valid but have no type
|
|
// segwit v1 and len != 32
|
|
("bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kt5nd6y", None),
|
|
// segwit v2
|
|
("bc1zw508d6qejxtdg4y5r3zarvaryvaxxpcs", None),
|
|
];
|
|
for (address, expected_type) in &addresses {
|
|
let addr = Address::from_str(&address).unwrap();
|
|
assert_eq!(&addr.address_type(), expected_type);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_bip173_350_vectors() {
|
|
// Test vectors valid under both BIP-173 and BIP-350
|
|
let valid_vectors = [
|
|
("BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4", "0014751e76e8199196d454941c45d1b3a323f1433bd6"),
|
|
("tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7", "00201863143c14c5166804bd19203356da136c985678cd4d27a1b8c6329604903262"),
|
|
("bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kt5nd6y", "5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6"),
|
|
("BC1SW50QGDZ25J", "6002751e"),
|
|
("bc1zw508d6qejxtdg4y5r3zarvaryvaxxpcs", "5210751e76e8199196d454941c45d1b3a323"),
|
|
("tb1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesrxh6hy", "0020000000c4a5cad46221b2a187905e5266362b99d5e91c6ce24d165dab93e86433"),
|
|
("tb1pqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesf3hn0c", "5120000000c4a5cad46221b2a187905e5266362b99d5e91c6ce24d165dab93e86433"),
|
|
("bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqzk5jj0", "512079be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798")
|
|
];
|
|
for vector in &valid_vectors {
|
|
let addr: Address = vector.0.parse().unwrap();
|
|
assert_eq!(&addr.script_pubkey().as_bytes().to_hex(), vector.1);
|
|
roundtrips(&addr);
|
|
}
|
|
|
|
let invalid_vectors = [
|
|
// 1. BIP-350 test vectors
|
|
// Invalid human-readable part
|
|
"tc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq5zuyut",
|
|
// Invalid checksums (Bech32 instead of Bech32m):
|
|
"bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqh2y7hd",
|
|
"tb1z0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqglt7rf",
|
|
"BC1S0XLXVLHEMJA6C4DQV22UAPCTQUPFHLXM9H8Z3K2E72Q4K9HCZ7VQ54WELL",
|
|
"bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kemeawh",
|
|
"tb1q0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq24jc47",
|
|
// Invalid character in checksum
|
|
"bc1p38j9r5y49hruaue7wxjce0updqjuyyx0kh56v8s25huc6995vvpql3jow4",
|
|
// Invalid witness version
|
|
"BC130XLXVLHEMJA6C4DQV22UAPCTQUPFHLXM9H8Z3K2E72Q4K9HCZ7VQ7ZWS8R",
|
|
// Invalid program length (1 byte)
|
|
"bc1pw5dgrnzv",
|
|
// Invalid program length (41 bytes)
|
|
"bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7v8n0nx0muaewav253zgeav",
|
|
// Invalid program length for witness version 0 (per BIP141)
|
|
"BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P",
|
|
// Mixed case
|
|
"tb1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq47Zagq",
|
|
// zero padding of more than 4 bits
|
|
"bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7v07qwwzcrf",
|
|
// Non-zero padding in 8-to-5 conversion
|
|
"tb1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vpggkg4j",
|
|
// Empty data section
|
|
"bc1gmk9yu",
|
|
|
|
// 2. BIP-173 test vectors
|
|
// Invalid human-readable part
|
|
"tc1qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty",
|
|
// Invalid checksum
|
|
"bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5",
|
|
// Invalid witness version
|
|
"BC13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2",
|
|
// Invalid program length
|
|
"bc1rw5uspcuh",
|
|
// Invalid program length
|
|
"bc10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90",
|
|
// Invalid program length for witness version 0 (per BIP141)
|
|
"BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P",
|
|
// Mixed case
|
|
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7",
|
|
// zero padding of more than 4 bits
|
|
"bc1zw508d6qejxtdg4y5r3zarvaryvqyzf3du",
|
|
// Non-zero padding in 8-to-5 conversion
|
|
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv",
|
|
// Final test for empty data section is the same as above in BIP-350
|
|
|
|
// 3. BIP-173 valid test vectors obsolete by BIP-350
|
|
"bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
|
|
"BC1SW50QA3JX3S",
|
|
"bc1zw508d6qejxtdg4y5r3zarvaryvg6kdaj",
|
|
];
|
|
for vector in &invalid_vectors {
|
|
assert!(vector.parse::<Address>().is_err());
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
#[cfg(feature = "serde")]
|
|
fn test_json_serialize() {
|
|
use serde_json;
|
|
|
|
let addr = Address::from_str("132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM").unwrap();
|
|
let json = serde_json::to_value(&addr).unwrap();
|
|
assert_eq!(
|
|
json,
|
|
serde_json::Value::String("132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM".to_owned())
|
|
);
|
|
let into: Address = serde_json::from_value(json).unwrap();
|
|
assert_eq!(addr.to_string(), into.to_string());
|
|
assert_eq!(
|
|
into.script_pubkey(),
|
|
hex_script!("76a914162c5ea71c0b23f5b9022ef047c4a86470a5b07088ac")
|
|
);
|
|
|
|
let addr = Address::from_str("33iFwdLuRpW1uK1RTRqsoi8rR4NpDzk66k").unwrap();
|
|
let json = serde_json::to_value(&addr).unwrap();
|
|
assert_eq!(
|
|
json,
|
|
serde_json::Value::String("33iFwdLuRpW1uK1RTRqsoi8rR4NpDzk66k".to_owned())
|
|
);
|
|
let into: Address = serde_json::from_value(json).unwrap();
|
|
assert_eq!(addr.to_string(), into.to_string());
|
|
assert_eq!(
|
|
into.script_pubkey(),
|
|
hex_script!("a914162c5ea71c0b23f5b9022ef047c4a86470a5b07087")
|
|
);
|
|
|
|
let addr =
|
|
Address::from_str("tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7")
|
|
.unwrap();
|
|
let json = serde_json::to_value(&addr).unwrap();
|
|
assert_eq!(
|
|
json,
|
|
serde_json::Value::String(
|
|
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7".to_owned()
|
|
)
|
|
);
|
|
let into: Address = serde_json::from_value(json).unwrap();
|
|
assert_eq!(addr.to_string(), into.to_string());
|
|
assert_eq!(
|
|
into.script_pubkey(),
|
|
hex_script!("00201863143c14c5166804bd19203356da136c985678cd4d27a1b8c6329604903262")
|
|
);
|
|
|
|
let addr = Address::from_str("bcrt1q2nfxmhd4n3c8834pj72xagvyr9gl57n5r94fsl").unwrap();
|
|
let json = serde_json::to_value(&addr).unwrap();
|
|
assert_eq!(
|
|
json,
|
|
serde_json::Value::String("bcrt1q2nfxmhd4n3c8834pj72xagvyr9gl57n5r94fsl".to_owned())
|
|
);
|
|
let into: Address = serde_json::from_value(json).unwrap();
|
|
assert_eq!(addr.to_string(), into.to_string());
|
|
assert_eq!(
|
|
into.script_pubkey(),
|
|
hex_script!("001454d26dddb59c7073c6a197946ea1841951fa7a74")
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_qr_string() {
|
|
for el in ["132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM", "33iFwdLuRpW1uK1RTRqsoi8rR4NpDzk66k"].iter() {
|
|
let addr = Address::from_str(el).unwrap();
|
|
assert_eq!(addr.to_qr_uri(), format!("bitcoin:{}", el));
|
|
}
|
|
|
|
for el in ["bcrt1q2nfxmhd4n3c8834pj72xagvyr9gl57n5r94fsl", "bc1qwqdg6squsna38e46795at95yu9atm8azzmyvckulcc7kytlcckxswvvzej"].iter() {
|
|
let addr = Address::from_str(el).unwrap();
|
|
assert_eq!(addr.to_qr_uri(), format!("BITCOIN:{}", el.to_ascii_uppercase()) );
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_valid_networks() {
|
|
let legacy_payload = &[
|
|
Payload::PubkeyHash(PubkeyHash::default()),
|
|
Payload::ScriptHash(ScriptHash::default())
|
|
];
|
|
let segwit_payload = (0..=16).map(|version| {
|
|
Payload::WitnessProgram {
|
|
version: WitnessVersion::from_num(version).unwrap(),
|
|
program: vec![]
|
|
}
|
|
}).collect::<Vec<_>>();
|
|
|
|
const LEGACY_EQUIVALENCE_CLASSES: &[&[Network]] = &[
|
|
&[Network::Bitcoin],
|
|
&[Network::Testnet, Network::Regtest, Network::Signet],
|
|
];
|
|
const SEGWIT_EQUIVALENCE_CLASSES: &[&[Network]] = &[
|
|
&[Network::Bitcoin],
|
|
&[Network::Regtest],
|
|
&[Network::Testnet, Network::Signet],
|
|
];
|
|
|
|
fn test_addr_type(payloads: &[Payload], equivalence_classes: &[&[Network]]) {
|
|
for pl in payloads {
|
|
for addr_net in equivalence_classes.iter().map(|ec| ec.iter()).flatten() {
|
|
for valid_net in equivalence_classes.iter()
|
|
.filter(|ec| ec.contains(addr_net))
|
|
.map(|ec| ec.iter())
|
|
.flatten()
|
|
{
|
|
let addr = Address {
|
|
payload: pl.clone(),
|
|
network: *addr_net
|
|
};
|
|
assert!(addr.is_valid_for_network(*valid_net));
|
|
}
|
|
|
|
for invalid_net in equivalence_classes.iter()
|
|
.filter(|ec| !ec.contains(addr_net))
|
|
.map(|ec| ec.iter())
|
|
.flatten()
|
|
{
|
|
let addr = Address {
|
|
payload: pl.clone(),
|
|
network: *addr_net
|
|
};
|
|
assert!(!addr.is_valid_for_network(*invalid_net));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
test_addr_type(legacy_payload, LEGACY_EQUIVALENCE_CLASSES);
|
|
test_addr_type(&segwit_payload, SEGWIT_EQUIVALENCE_CLASSES);
|
|
}
|
|
|
|
#[test]
|
|
fn p2tr_from_untweaked(){
|
|
//Test case from BIP-086
|
|
let internal_key = schnorrsig::PublicKey::from_str("cc8a4bc64d897bddc5fbc2f670f7a8ba0b386779106cf1223c6fc5d7cd6fc115").unwrap();
|
|
let secp = Secp256k1::verification_only();
|
|
let address = Address::p2tr(&secp, internal_key, None, Network::Bitcoin);
|
|
assert_eq!(address.to_string(), "bc1p5cyxnuxmeuwuvkwfem96lqzszd02n6xdcjrs20cac6yqjjwudpxqkedrcr");
|
|
assert_eq!(address.address_type(), Some(AddressType::P2tr));
|
|
roundtrips(&address);
|
|
}
|
|
}
|