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add c32 encode/decode to Bitcoin addresses (for now)

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This commit is contained in:
Jude Nelson
2019-03-09 18:47:15 -05:00
parent cad5a71fb4
commit 31337a95ab
1 changed files with 20 additions and 2 deletions
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22
src/burnchains/bitcoin/address.rs
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@@ -27,6 +27,8 @@ use bitcoin::util::base58;
use util::hash::Hash160;
use util::log;
use address::c32::c32_address;
#[derive(Debug, PartialEq, Copy, Clone, Serialize, Deserialize)]
pub enum BitcoinAddressType {
PublicKeyHash,
@@ -45,6 +47,11 @@ pub const ADDRESS_VERSION_MAINNET_MULTISIG: u8 = 5;
pub const ADDRESS_VERSION_TESTNET_SINGLESIG: u8 = 111;
pub const ADDRESS_VERSION_TESTNET_MULTISIG: u8 = 196;
pub const C32_ADDRESS_VERSION_MAINNET_SINGLESIG: u8 = 22; // P
pub const C32_ADDRESS_VERSION_MAINNET_MULTISIG: u8 = 20; // M
pub const C32_ADDRESS_VERSION_TESTNET_SINGLESIG: u8 = 26; // T
pub const C32_ADDRESS_VERSION_TESTNET_MULTISIG: u8 = 21; // N
fn address_type_to_version_byte(addrtype: BitcoinAddressType, network_id: BitcoinNetworkType) -> u8 {
match (addrtype, network_id) {
(BitcoinAddressType::PublicKeyHash, BitcoinNetworkType::Mainnet) => ADDRESS_VERSION_MAINNET_SINGLESIG,
@@ -64,6 +71,16 @@ fn version_byte_to_address_type(version: u8) -> Option<(BitcoinAddressType, Bitc
}
}
fn to_c32_version_byte(version: u8) -> Option<u8> {
match version {
ADDRESS_VERSION_MAINNET_SINGLESIG => Some(C32_ADDRESS_VERSION_MAINNET_SINGLESIG),
ADDRESS_VERSION_MAINNET_MULTISIG => Some(C32_ADDRESS_VERSION_MAINNET_MULTISIG),
ADDRESS_VERSION_TESTNET_SINGLESIG => Some(C32_ADDRESS_VERSION_TESTNET_SINGLESIG),
ADDRESS_VERSION_TESTNET_MULTISIG => Some(C32_ADDRESS_VERSION_TESTNET_MULTISIG),
_ => None
}
}
impl BitcoinAddress {
pub fn from_bytes(network_id: BitcoinNetworkType, addrtype: BitcoinAddressType, bytes: &Vec<u8>) -> Result<BitcoinAddress, btc_error> {
if bytes.len() != 20 {
@@ -162,8 +179,9 @@ impl BitcoinAddress {
}
pub fn to_c32(&self) -> String {
// TODO
String::from("")
let version_byte = address_type_to_version_byte(self.addrtype, self.network_id);
let c32_address_byte = to_c32_version_byte(version_byte).unwrap(); // NOTE: should never panic, since (addrtype, network_id) always maps to a valid Bitcoin version byte
c32_address(c32_address_byte, self.bytes.as_bytes()).unwrap() // NOTE; should never panic, since to_c32_version_byte() returns a valid version
}
}