__coin__ = 'BitcoinSegwit'
__node_daemon__ = 'bitcoind'
__node_cli__ = 'bitcoin-cli'
__node_url__ = (
    'https://bitcoin.org/bin/bitcoin-core-0.16.0/bitcoin-0.16.0-x86_64-linux-gnu.tar.gz'
)

from six import int2byte
from binascii import unhexlify
from torba.baseledger import BaseLedger
from torba.baseheader import BaseHeaders


class MainNetLedger(BaseLedger):
    name = 'BitcoinSegwit'
    symbol = 'BTC'
    network_name = 'mainnet'

    pubkey_address_prefix = int2byte(0x00)
    script_address_prefix = int2byte(0x05)
    extended_public_key_prefix = unhexlify('0488b21e')
    extended_private_key_prefix = unhexlify('0488ade4')

    default_fee_per_byte = 50


class UnverifiedHeaders(BaseHeaders):
    verify_bits_to_target = False


class RegTestLedger(MainNetLedger):
    network_name = 'regtest'
    headers_class = UnverifiedHeaders
    max_target = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
    genesis_hash = '0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206'
    genesis_bits = 0x207fffff
    target_timespan = 1
    verify_bits_to_target = False