cardano-multiplatform-lib 3.1.3

use cbor_event::cbor;

use crate::{chain_crypto::{Sha3_256}, genesis::network_info::NetworkInfo, crypto::{Bip32PublicKey, PublicKey}, address::Address};
use std::{convert::TryInto, fmt};
use super::*;

#[wasm_bindgen]
impl StakeDistribution {
    pub fn new_single_key(pubk: &Bip32PublicKey) -> Self {
        StakeDistribution::new_single_key_distr(&StakeholderId::new(pubk))
    }
}

#[wasm_bindgen]
impl StakeholderId {
    pub fn new(pubk: &Bip32PublicKey) -> StakeholderId {
        // the reason for this unwrap is that we have to dynamically allocate 66 bytes
        // to serialize 64 bytes in cbor (2 bytes of cbor overhead).
        let buf = cbor!(pubk.0.as_ref()).unwrap();

        let hash = Sha3_256::new(&buf);
        StakeholderId(Blake2b224::new(hash.as_ref()).try_into().unwrap())
    }
}

#[wasm_bindgen]
impl AddrAttributes {
    pub fn new_bootstrap_era(hdap: Option<HDAddressPayload>, protocol_magic: Option<ProtocolMagic>) -> Self {
        let adjusted_magic = match &protocol_magic {
            Some(magic) => {
                if *magic == NetworkInfo::mainnet().protocol_magic() { None } else { protocol_magic }
            }
            None => None
        };
        AddrAttributes {
            derivation_path: hdap,
            stake_distribution: Some(StakeDistribution(StakeDistributionEnum::BootstrapEraDistr(BootstrapEraDistr::new()))),
            protocol_magic: adjusted_magic,
        }
    }
    pub fn new_single_key(
        pubk: &Bip32PublicKey,
        hdap: Option<HDAddressPayload>,
        protocol_magic: ProtocolMagic,
    ) -> Self {
        AddrAttributes {
            derivation_path: hdap,
            stake_distribution: Some(StakeDistribution::new_single_key(pubk)),
            protocol_magic: Some(protocol_magic),
        }
    }
}

#[wasm_bindgen]
impl AddressId {
    pub fn new(addr_type: &ByronAddrType, spending_data: &SpendingData, attrs: &AddrAttributes) -> Self {
        // the reason for this unwrap is that we have to dynamically allocate 66 bytes
        // to serialize 64 bytes in cbor (2 bytes of cbor overhead).
        let buf = cbor!(&(&addr_type, spending_data, attrs))
            .expect("serialize the AddressId's digest data");

        let hash = Sha3_256::new(&buf);
        AddressId(*Blake2b224::new(hash.as_ref()).as_hash_bytes())
    }
}

#[wasm_bindgen]
impl AddressContent {
    pub fn hash_and_create(addr_type: &ByronAddrType, spending_data: &SpendingData, attributes:& AddrAttributes) -> AddressContent {
        let address_id = AddressId::new(addr_type, spending_data, attributes);
        AddressContent::new(
            &address_id, 
            attributes,
            addr_type,
        )
    }

    // bootstrap era + no hdpayload address
    pub fn new_redeem(pubkey: &PublicKey, protocol_magic: Option<ProtocolMagic>) -> Self {
        let attributes = AddrAttributes::new_bootstrap_era(None, protocol_magic);
        let addr_type = AddrTypeEnum::ATRedeem;
        let spending_data = SpendingDataEnum::SpendingDataRedeemASD(SpendingDataRedeemASD::new(pubkey));
        
        AddressContent::hash_and_create(&ByronAddrType(addr_type), &SpendingData(spending_data), &attributes)
    }

    // bootstrap era + no hdpayload address
    pub fn new_simple(xpub: &Bip32PublicKey, protocol_magic: Option<ProtocolMagic>) -> Self {
        let attributes = AddrAttributes::new_bootstrap_era(None, protocol_magic);
        let addr_type = AddrTypeEnum::ATPubKey;
        let spending_data = SpendingDataEnum::SpendingDataPubKeyASD(SpendingDataPubKeyASD::new(xpub));

        AddressContent::hash_and_create(&ByronAddrType(addr_type), &SpendingData(spending_data), &attributes)
    }

    pub fn to_address(&self) -> ByronAddress {
        ByronAddress::checksum_from_bytes(self.to_bytes())
    }

    /// returns the byron protocol magic embedded in the address, or mainnet id if none is present
    /// note: for bech32 addresses, you need to use network_id instead
    pub fn byron_protocol_magic(&self) -> u32 {
        match self.addr_attr.protocol_magic {
            Some(x) => x.0,
            None => NetworkInfo::mainnet().protocol_magic().0, // mainnet is implied if omitted
        }
    }

    pub fn network_id(&self) -> Result<u8, JsError> {
        // premise: during the Byron-era, we had one mainnet (764824073) and many many testnets
        // with each testnet getting a different protocol magic
        // in Shelley, this changes so that:
        // 1) all testnets use the same u8 protocol magic
        // 2) mainnet is re-mapped to a single u8 protocol magic

        // recall: in Byron mainnet, the network_id is omitted from the address to save a few bytes
        // so here we return the mainnet id if none is found in the address

        // mainnet is implied if omitted
        let protocol_magic = self.byron_protocol_magic();
        match protocol_magic {
            magic if magic == NetworkInfo::mainnet().protocol_magic().0 => Ok(NetworkInfo::mainnet().network_id()),
            magic if magic == NetworkInfo::testnet().protocol_magic().0 => Ok(NetworkInfo::testnet().network_id()),
            _ => Err(JsError::from_str(&format! {"Unknown network {}", protocol_magic}))
        }
    }

    // icarus-style address (Ae2)
    pub fn icarus_from_key(key: &Bip32PublicKey, protocol_magic: u32) -> AddressContent {
        // need to ensure we use None for mainnet since Byron-era addresses omitted the network id
        let filtered_protocol_magic = if protocol_magic == NetworkInfo::mainnet().protocol_magic().0 { None } else { Some(ProtocolMagic(protocol_magic)) };
        AddressContent::new_simple( key, filtered_protocol_magic)
    }

    /// Check if the Addr can be reconstructed with a specific xpub
    pub fn identical_with_pubkey(&self, xpub: &Bip32PublicKey) -> bool {
        let addr_type = AddrTypeEnum::ATPubKey;
        let spending_data = SpendingDataEnum::SpendingDataPubKeyASD(SpendingDataPubKeyASD::new(xpub));
        let newea = AddressContent::hash_and_create(&ByronAddrType(addr_type), &SpendingData(spending_data), &self.addr_attr.clone());
        
        if self == &newea {
            // AddressMatchXPub::Yes
            true
        } else {
            // AddressMatchXPub::No
            false
        }
    }
}

#[derive(Debug, Clone, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum AddressMatchXPub {
    Yes,
    No,
}

#[wasm_bindgen]
impl ByronAddress {

    pub fn to_base58(&self) -> String {
        base58::encode(&self.to_bytes())
    }

    pub fn from_base58(s: &str) -> Result<ByronAddress, JsError> {
        let bytes = base58::decode(s)
            // .map_err(ParseExtendedAddrError::Base58Error)
            .map_err(|_| JsError::from_str("ByronAddress::from_base58 failed to parse base58"))?;
        Self::from_bytes(bytes)
            // .map_err(ParseExtendedAddrError::DeserializeError)
            .map_err(|_| JsError::from_str("ByronAddress::from_base58 failed to parse bytes"))
    }

    pub fn address_content(&self) -> AddressContent {
        let mut raw = Deserializer::from(std::io::Cursor::new(self.addr.clone()));
        raw.tuple(3, "ByronAddress").unwrap();
        let address_id = Deserialize::deserialize(&mut raw).unwrap();
        let addr_attr = Deserialize::deserialize(&mut raw).unwrap();
        let addr_type = Deserialize::deserialize(&mut raw).unwrap();
        AddressContent { address_id, addr_type, addr_attr }
    }

    pub fn is_valid(s: &str) -> bool {
        use std::str::FromStr;
        match ByronAddress::from_str(s) {
            Ok(_v) => true,
            Err(_err) => false,
        }
    }

    pub fn to_address(&self) -> Address {
        Address {
            variant: crate::address::AddrType::Byron(self.clone()),
            trailing: None,
        }
    }

    pub fn from_address(addr: &Address) -> Option<ByronAddress> {
        match &addr.variant {
            crate::address::AddrType::Byron(byron) => Some(byron.clone()),
            _ => None,
        }
    }
}

impl fmt::Display for ByronAddress {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.to_base58())
    }
}

impl ::std::str::FromStr for ByronAddress {
    // type Err = ParseExtendedAddrError;
    type Err = JsError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        Self::from_base58(s)
    }
}

#[derive(Debug)]
pub enum ParseExtendedAddrError {
    DeserializeError(DeserializeError),
    Base58Error(base58::Error),
}

impl fmt::Display for ProtocolMagic {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}
impl ::std::ops::Deref for ProtocolMagic {
    type Target = u32;
    fn deref(&self) -> &Self::Target {
        &self.0
    }
}
impl From<u32> for ProtocolMagic {
    fn from(v: u32) -> Self {
        ProtocolMagic(v)
    }
}
impl Default for ProtocolMagic {
    fn default() -> Self {
        NetworkInfo::mainnet().protocol_magic()
    }
}

#[wasm_bindgen]
impl ProtocolMagic {
    pub fn new(val: u32) -> Self {
        ProtocolMagic(val)
    }
    pub fn value(&self) -> u32 {
        self.0
    }
}

#[cfg(test)]
mod tests {
    use crate::{chain_crypto::{self, Ed25519Bip32}, address::NetworkInfo, crypto::Bip32PublicKey};

    use super::{ByronAddress, AddressMatchXPub};

    fn assert_same_address(address: ByronAddress, xpub: chain_crypto::PublicKey<Ed25519Bip32>) {
        assert_eq!(
            address.address_content().identical_with_pubkey(&Bip32PublicKey(xpub.clone())),
            // AddressMatchXPub::Yes,
            true,
            "expected public key {} to match address {}",
            xpub,
            address,
        )
    }

    #[test]
    fn test_vector_1() {
        let address: ByronAddress     = "DdzFFzCqrhsrcTVhLygT24QwTnNqQqQ8mZrq5jykUzMveU26sxaH529kMpo7VhPrt5pwW3dXeB2k3EEvKcNBRmzCfcQ7dTkyGzTs658C".parse().unwrap();
        println!("{}", hex::encode(address.addr()));
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x6a, 0x50, 0x96, 0x89, 0xc6, 0x53, 0x17, 0x58, 0x65, 0x98, 0x5a, 0xd1, 0xe0, 0xeb,
            0x5f, 0xf9, 0xad, 0xa6, 0x99, 0x7a, 0xa4, 0x03, 0xe6, 0x48, 0x61, 0x4b, 0x3b, 0x78,
            0xfc, 0xba, 0x9c, 0x27, 0x30, 0x82, 0x28, 0xd9, 0x87, 0x2a, 0xf8, 0xb6, 0x5b, 0x98,
            0x7f, 0xf2, 0x3e, 0x1a, 0x20, 0xcd, 0x90, 0xd8, 0x34, 0x6c, 0x31, 0xf0, 0xed, 0xb8,
            0x99, 0x89, 0x52, 0xdc, 0x67, 0x66, 0x55, 0x80,
        ]).unwrap();
        assert_same_address(address, public_key);
    }

    #[test]
    fn test_vector_2() {
        let address = "DdzFFzCqrht4it4GYgBp4J39FNnKBsPFejSppARXHCf2gGiTJcwXzpRvgDmxPvKQ8aZZmVqcLUz5L66a8Ja46pfKVtFRaKyn9eKdvpaC".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0xff, 0x7b, 0xf1, 0x29, 0x9d, 0xf3, 0xd7, 0x17, 0x98, 0xae, 0xfd, 0xc4, 0xae, 0xa7,
            0xdb, 0x2f, 0x8d, 0xb7, 0x60, 0x46, 0x56, 0x94, 0x41, 0xea, 0xe5, 0x8b, 0x72, 0x23,
            0xb6, 0x8b, 0x44, 0x04, 0x82, 0x15, 0xcb, 0xac, 0x94, 0xbc, 0xb7, 0xf2, 0xcf, 0x33,
            0x6c, 0x6c, 0x18, 0xbc, 0x3e, 0x71, 0x3f, 0xfd, 0x82, 0x67, 0x59, 0x4f, 0xf6, 0x34,
            0x93, 0x32, 0xce, 0x4f, 0x98, 0x04, 0xa7, 0xff,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_3() {
        let address = "DdzFFzCqrhsvNQtyViTvEdGxfdc5T1E5RorzFWjYodqjhFDy8fQxfDPccmTc4ePbvkiwvRkR8dtqQ1SHpH53fDSoxD17fo9f6WkRjjAA".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x5c, 0x36, 0x51, 0xe0, 0xeb, 0x9d, 0x6d, 0xc9, 0x64, 0x07, 0x13, 0x7c, 0xcc, 0x1f,
            0x37, 0x7a, 0x87, 0x94, 0x61, 0x77, 0xa5, 0x2c, 0xa3, 0x77, 0x2c, 0x6b, 0x4b, 0xeb,
            0x72, 0x39, 0x50, 0xdc, 0x50, 0x22, 0x46, 0x68, 0x21, 0x8b, 0x8b, 0x36, 0x62, 0x02,
            0xfe, 0x5b, 0x7d, 0x55, 0x6f, 0x50, 0x1c, 0x5c, 0x4e, 0x2d, 0x58, 0xe0, 0x54, 0x67,
            0xe1, 0xab, 0xc0, 0x44, 0xc6, 0xc1, 0xbf, 0x8e,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_4() {
        let address = "DdzFFzCqrhsn7ZAhKy8mxkzW6G3wryM7K6bH38VAjE2FesJMxia3UviivMvGz146TP1FpDharxTE6nUgCCnZx2fmtKpmxAosg9Tf5b8y".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0xcd, 0x84, 0x2e, 0x01, 0x0d, 0x81, 0xa6, 0xbe, 0x1e, 0x16, 0x9f, 0xd6, 0x35, 0x21,
            0xdb, 0xb9, 0x5f, 0x42, 0x41, 0xfc, 0x82, 0x3f, 0x45, 0xb1, 0xcf, 0x1a, 0x1c, 0xb4,
            0xc5, 0x89, 0x57, 0x27, 0x1d, 0x4d, 0x14, 0x2a, 0x22, 0x94, 0xea, 0x5f, 0xa3, 0x16,
            0xa4, 0xad, 0xbf, 0xcd, 0x59, 0x7a, 0x7c, 0x89, 0x6a, 0x52, 0xa9, 0xa3, 0xa9, 0xce,
            0x49, 0x64, 0x4a, 0x10, 0x2d, 0x00, 0x71, 0x99,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_5() {
        let address = "DdzFFzCqrhssTCJf4sv664bdQURovAwzx1hNKkMkNLwMNyaxZFuPSDdZTTRMcoDyXHuCiZhbD4umvMJcWGkvFMMzBoBUW5UBdBbDqXGX".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x5a, 0xac, 0x2d, 0xd0, 0xa8, 0xdc, 0x5d, 0x61, 0x0a, 0x4b, 0x6f, 0xdf, 0x3f, 0x5e,
            0xf1, 0xb6, 0x4a, 0xcb, 0x76, 0xb1, 0xe8, 0x1f, 0x6a, 0x35, 0x70, 0x31, 0xfa, 0x19,
            0xd5, 0xe6, 0x56, 0x9d, 0xcc, 0x37, 0xb7, 0xae, 0x6f, 0x39, 0x15, 0x82, 0xfb, 0x05,
            0x4b, 0x72, 0xba, 0xda, 0x90, 0xab, 0x14, 0x6c, 0xdd, 0x01, 0x42, 0x0e, 0x4b, 0x40,
            0x18, 0xf1, 0xa0, 0x55, 0x29, 0x82, 0xd2, 0x31,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_6() {
        let address = "DdzFFzCqrhsfi5fFjJUHYPSnfTYrnMohzh3PrrtrVQgwua33HWPKUdTJXo3o77pSGCmDNrjYaAiZmJddaPW9iHyUDatvU2WhX7MgnNMy".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x2a, 0x6a, 0xd1, 0x51, 0x09, 0x96, 0xff, 0x2d, 0x10, 0x89, 0xcb, 0x8e, 0xd5, 0xf5,
            0xc0, 0x61, 0xf6, 0xad, 0x0a, 0xfb, 0xb5, 0x3d, 0x95, 0x40, 0xa0, 0xfc, 0x89, 0xef,
            0xc0, 0xa2, 0x63, 0xb9, 0x6d, 0xac, 0x00, 0xbd, 0x0d, 0x7b, 0xda, 0x7d, 0x16, 0x3a,
            0x08, 0xdb, 0x20, 0xba, 0x64, 0xb6, 0x33, 0x4d, 0xca, 0x34, 0xea, 0xc8, 0x2c, 0xf7,
            0xb4, 0x91, 0xc3, 0x5f, 0x5c, 0xae, 0xc7, 0xb0,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_7() {
        let address = "DdzFFzCqrhsy2zYMDQRCF4Nw34C3P7aT5B7JwHFQ6gLAeoHgVXurCLPCm3AeV1nTa1Nd46uDoNt16cnsPFkb4fpLi1J17AmvphCtGFz2".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x0c, 0xd2, 0x15, 0x54, 0xa0, 0xf9, 0xb8, 0x25, 0x9c, 0x46, 0x88, 0xdd, 0x00, 0xfc,
            0x01, 0x88, 0x43, 0x50, 0x79, 0x76, 0x4f, 0xa5, 0x50, 0xfb, 0x57, 0x38, 0x2b, 0xff,
            0x43, 0xe2, 0xd8, 0xd8, 0x27, 0x27, 0x4e, 0x2a, 0x12, 0x9f, 0x86, 0xc3, 0x80, 0x88,
            0x34, 0x37, 0x4d, 0xfe, 0x3f, 0xda, 0xa6, 0x28, 0x48, 0x30, 0xb8, 0xf6, 0xe4, 0x0d,
            0x29, 0x93, 0xde, 0xa2, 0xfb, 0x0a, 0xbe, 0x82,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_8() {
        let address = "DdzFFzCqrht8ygB5pLM4uVbS2x4ek2NTDx6R3DJqP7fUaWEkx8RA9UFR8CHitp2R74XLDP876Pe3KLUByHnrWrKWnffpqPpm14rPCxeP".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x1f, 0x0a, 0xb8, 0x33, 0xfd, 0xb1, 0xfa, 0x49, 0x58, 0xce, 0x74, 0x04, 0x81, 0x84,
            0x5b, 0x3a, 0x26, 0x6e, 0xfa, 0xab, 0x2d, 0x65, 0xd1, 0x6b, 0xdd, 0x3d, 0xfe, 0x7f,
            0xcb, 0xe4, 0x46, 0x30, 0x25, 0x9e, 0xd1, 0x91, 0x98, 0x93, 0x03, 0x9d, 0xfd, 0x40,
            0x02, 0x4a, 0x72, 0x03, 0x45, 0x5b, 0x03, 0xd6, 0xd0, 0x0d, 0x0a, 0x5c, 0xd6, 0xee,
            0x82, 0xde, 0x2e, 0xce, 0x73, 0x8a, 0xa1, 0xbf,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_9() {
        let address = "DdzFFzCqrhssTywqjv3dw3EakpEydWQcc3phQzR3YF9NPgQN9Ftkx68FfLLnpJ4vhWo9mAjx5EcpM1wNvorSySrpARZGfk5QugHkVs58".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x16, 0xf7, 0xd2, 0x55, 0x32, 0x6d, 0x77, 0x6e, 0xc1, 0xb5, 0xed, 0xd2, 0x5f, 0x75,
            0xd3, 0xe3, 0xeb, 0xe0, 0xb9, 0xd4, 0x9c, 0xdd, 0xb2, 0x46, 0xd8, 0x0c, 0xf4, 0x1b,
            0x25, 0x24, 0x64, 0xb6, 0x24, 0x50, 0xa2, 0x4e, 0xf5, 0x98, 0x7b, 0x4b, 0xd6, 0x5e,
            0x0d, 0x25, 0x23, 0x43, 0xab, 0xa8, 0xef, 0x77, 0x93, 0x34, 0x79, 0xde, 0xa8, 0xdd,
            0xe2, 0x9e, 0xec, 0x56, 0xcc, 0x6a, 0xc0, 0x69,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn test_vector_10() {
        let address = "DdzFFzCqrhsqTG4t3uq5UBqFrxhxGVM6bvF4q1QcZXqUpizFddEEip7dx5rbife2s9o2fRU3hVKhRp4higog7As8z42s4AMw6Pcu8vL4".parse().unwrap();
        let public_key = chain_crypto::PublicKey::<Ed25519Bip32>::from_binary(&[
            0x97, 0xb8, 0x6c, 0x69, 0xd1, 0x2a, 0xf1, 0x64, 0xdc, 0x87, 0xf2, 0x71, 0x26, 0x8f,
            0x33, 0xbc, 0x4d, 0xee, 0xb0, 0xdf, 0xd3, 0x73, 0xc3, 0xfd, 0x3b, 0xac, 0xd4, 0x47,
            0x53, 0xa3, 0x1d, 0xe7, 0x8f, 0x10, 0xe5, 0x55, 0x03, 0x7c, 0xd4, 0x00, 0x43, 0x6c,
            0xcf, 0xd5, 0x38, 0x0d, 0xbb, 0xcd, 0x4d, 0x7c, 0x28, 0x0a, 0xef, 0x9e, 0xc7, 0x57,
            0x4a, 0xe0, 0xac, 0xac, 0x0c, 0xf7, 0x9e, 0x89,
        ]).unwrap();
        assert_same_address(address, public_key)
    }

    #[test]
    fn byron_magic_parsing() {
        // mainnet address w/ protocol magic omitted
        let addr = ByronAddress::from_base58("Ae2tdPwUPEZ4YjgvykNpoFeYUxoyhNj2kg8KfKWN2FizsSpLUPv68MpTVDo").unwrap();
        println!("{}", hex::encode(addr.addr()));
        let content = addr.address_content();
        assert_eq!(content.byron_protocol_magic(), NetworkInfo::mainnet().protocol_magic());
        assert_eq!(content.network_id().unwrap(), NetworkInfo::mainnet().network_id());

        // original Byron testnet address
        let addr = ByronAddress::from_base58("2cWKMJemoBaipzQe9BArYdo2iPUfJQdZAjm4iCzDA1AfNxJSTgm9FZQTmFCYhKkeYrede").unwrap();
        let content = addr.address_content();
        assert_eq!(content.byron_protocol_magic(), NetworkInfo::testnet().protocol_magic());
        assert_eq!(content.network_id().unwrap(), NetworkInfo::testnet().network_id());
    }

    #[test]
    fn round_trip() {
        // mainnet address
        let start = "DdzFFzCqrhsqTG4t3uq5UBqFrxhxGVM6bvF4q1QcZXqUpizFddEEip7dx5rbife2s9o2fRU3hVKhRp4higog7As8z42s4AMw6Pcu8vL4";
        let addr = ByronAddress::from_base58(start).unwrap();
        let content = addr.address_content();
        let end = content.to_address().to_base58();
        assert_eq!(start, end);

        // mainnet address w/ protocol magic omitted
        let start = "Ae2tdPwUPEZ4YjgvykNpoFeYUxoyhNj2kg8KfKWN2FizsSpLUPv68MpTVDo";
        let addr = ByronAddress::from_base58(start).unwrap();
        let content = addr.address_content();
        let end = content.to_address().to_base58();
        assert_eq!(start, end);

        // original Byron testnet address
        let start = "2cWKMJemoBaipzQe9BArYdo2iPUfJQdZAjm4iCzDA1AfNxJSTgm9FZQTmFCYhKkeYrede";
        let addr = ByronAddress::from_base58(start).unwrap();
        let content = addr.address_content();
        let end = content.to_address().to_base58();
        assert_eq!(start, end);

         // testnet genesis address
         let start = "37btjrVyb4KEg6anTcJ9E4EAvYtNV9xXL6LNpA15YLhgvm9zJ1D2jwme574HikZ36rKdTwaUmpEicCoL1bDw4CtH5PNcFnTRGQNaFd5ai6Wvo6CZsi";
         let addr = ByronAddress::from_base58(start).unwrap();
         let content = addr.address_content();
         let end = content.to_address().to_base58();
         assert_eq!(start, end);
    }

    #[test]
    fn parse_redeem_address() {
        assert!(ByronAddress::is_valid("Ae2tdPwUPEZ3MHKkpT5Bpj549vrRH7nBqYjNXnCV8G2Bc2YxNcGHEa8ykDp"));
        let byron_addr = ByronAddress::from_base58("Ae2tdPwUPEZ3MHKkpT5Bpj549vrRH7nBqYjNXnCV8G2Bc2YxNcGHEa8ykDp").unwrap();
        assert_eq!(byron_addr.to_base58(), "Ae2tdPwUPEZ3MHKkpT5Bpj549vrRH7nBqYjNXnCV8G2Bc2YxNcGHEa8ykDp");
        let byron_addr2 = ByronAddress::from_bytes(byron_addr.to_bytes()).unwrap();
        assert_eq!(byron_addr2.to_base58(), "Ae2tdPwUPEZ3MHKkpT5Bpj549vrRH7nBqYjNXnCV8G2Bc2YxNcGHEa8ykDp");
    }
}