Add Address support

This commit is contained in:
Andrew Poelstra 2014-08-31 19:24:31 -07:00
parent 853d644649
commit 931df9f68d
3 changed files with 90 additions and 0 deletions

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@ -44,6 +44,7 @@ impl ::std::fmt::Show for Sha256dHash {
/// A RIPEMD-160 hash /// A RIPEMD-160 hash
pub struct Ripemd160Hash([u8, ..20]); pub struct Ripemd160Hash([u8, ..20]);
impl_array_newtype!(Ripemd160Hash, u8, 20)
/// A "hasher" which just truncates /// A "hasher" which just truncates
pub struct DumbHasher; pub struct DumbHasher;

88
src/wallet/address.rs Normal file
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@ -0,0 +1,88 @@
// Rust Bitcoin Library
// Written in 2014 by
// Andrew Poelstra <apoelstra@wpsoftware.net>
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to
// the public domain worldwide. This software is distributed without
// any warranty.
//
// You should have received a copy of the CC0 Public Domain Dedication
// along with this software.
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
//
//! # Addresses
//!
//! Support for ordinary base58 Bitcoin addresses
//!
use network::constants::{Network, Bitcoin, BitcoinTestnet};
use util::hash::Ripemd160Hash;
use util::base58::{Base58Error,
InvalidLength, InvalidVersion,
FromBase58, ToBase58};
#[deriving(Clone, PartialEq, Eq)]
/// A Bitcoin address
pub struct Address {
network: Network,
hash: Ripemd160Hash
}
impl ToBase58 for Address {
fn base58_layout(&self) -> Vec<u8> {
let mut ret = vec![
match self.network {
Bitcoin => 0,
BitcoinTestnet => 111
}
];
ret.push_all(self.hash.as_slice());
ret
}
}
impl FromBase58 for Address {
fn from_base58_layout(data: Vec<u8>) -> Result<Address, Base58Error> {
if data.len() != 21 {
return Err(InvalidLength(data.len()));
}
Ok(Address {
network: match data[0] {
0 => Bitcoin,
111 => BitcoinTestnet,
x => { return Err(InvalidVersion(vec![x])); }
},
hash: Ripemd160Hash::from_slice(data.slice_from(1))
})
}
}
impl ::std::fmt::Show for Address {
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
write!(f, "{}", self.to_base58check())
}
}
#[cfg(test)]
mod tests {
use serialize::hex::FromHex;
use network::constants::Bitcoin;
use util::hash::Ripemd160Hash;
use util::base58::{FromBase58, ToBase58};
use super::Address;
#[test]
fn test_address_58() {
let addr = Address {
network: Bitcoin,
hash: Ripemd160Hash::from_slice("162c5ea71c0b23f5b9022ef047c4a86470a5b070".from_hex().unwrap().as_slice())
};
assert_eq!(addr.to_base58check().as_slice(), "132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM");
assert_eq!(FromBase58::from_base58check("132F25rTsvBdp9JzLLBHP5mvGY66i1xdiM"), Ok(addr));
}
}

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@ -16,5 +16,6 @@
//! //!
//! Wallet, keys and addresses //! Wallet, keys and addresses
pub mod address;
pub mod bip32; pub mod bip32;