class SVMainnet(object):
ADDRTYPE_P2PKH = 0
ADDRTYPE_P2SH = 5
CASHADDR_PREFIX = "bitcoincash"
DEFAULT_PORTS = {'t': '50001', 's': '50002'}
DEFAULT_SERVERS = read_json_dict('servers.json')
GENESIS = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
NAME = 'mainnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0x80
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 478559
BITCOIN_CASH_FORK_BLOCK_HASH = (
"000000000000000000651ef99cb9fcbe0dadde1d424bd9f15ff20136191a5eec"
)
COIN = Bitcoin
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'000000203b0bc2a72e7313ac216e3c63314b8aec4be35374d66d2e0200000000000000009d14e99d'
'7799f2d8b62b3c745aa94514da4c831193bd057a916e1f45183600b5d001f95b11fd02180d32952e'
), height=557957, prev_work=0xd54c44dbdc491c25d097bf)
# Inegrate this into BitcoinX?
VERIFICATION_BLOCK_MERKLE_ROOT = (
"2eb4a1d21caa056385dbedd7743878e481d26052092aba97b319a6459ff6fa1b"
)
BIP44_COIN_TYPE = 0
BLOCK_EXPLORERS = {
'bchsvexplorer.com': (
'https://bchsvexplorer.com',
{'tx': 'tx', 'addr': 'address'},
),
'svblox.com': (
'https://svblox.com',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'https://whatsonchain.com',
{'tx': 'tx', 'addr': 'address'},
),
'btc.com': (
'https://bsv.btc.com',
{'tx': '', 'addr': ''},
),
'satoshi.io': (
'https://satoshi.io',
{'tx': 'tx', 'addr': 'address'},
),
}
FAUCET_URL = "https://faucet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Bitcoin'
TREZOR_COIN_NAME = 'Bcash'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = False
class SVTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_testnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'testnet'
BITCOIN_URI_PREFIX = "bitcoin"
PAY_URI_PREFIX = "pay"
WIF_PREFIX = 0xef
BIP276_VERSION = 2
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
BITCOIN_CASH_FORK_BLOCK_HASH = (
"00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
)
COIN = BitcoinTestnet
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'00000020b9ea0b497adc73aff2e3d2c3663db12bdf4f8d612d3317e76700000000000000b1e1eda1'
'767dc2e6fdb63e82d570461da2daa2f4fd9fe375ebce93f5b180a6f5ae7e285faef5021a7f406d4d'
), height=1377549, prev_work=0xade538ee77b27b019d)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'c2ca8aef7a20779fc9b7cc00af6b9b65f7ff99ae68fe22132c448d15de0d5943'
)
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoincloud.net': (
'https://testnet.bitcoincloud.net',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'http://test.whatsonchain.com',
{'tx': 'tx', 'addr': 'address', 'script': 'script'},
),
'satoshi.io': (
'https://testnet.satoshi.io',
{'tx': 'tx', 'addr': 'address', 'script': 'script'},
),
'system default': (
'blockchain:',
{'tx': 'tx', 'addr': 'address'},
),
}
FAUCET_URL = "https://testnet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
class SVTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_testnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'testnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
BIP276_VERSION = 2
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
BITCOIN_CASH_FORK_BLOCK_HASH = (
"00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
)
COIN = BitcoinTestnet
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'0000002029f1e3df7fda466242b9b56076792ffdb9e5d7ea51610307bc010000000000007ac1fa84'
'ef5f0998232fb01cd6fea2c0199e34218df2fb33e4e80e79d22b6a746994435d41c4021a208bae0a'
), height=1314717, prev_work=0x62ba4d708756160950)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'93414acafdef2dad790c456a424a6a261b66771a3426117125d8c13a1c93f10e'
)
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoincloud.net': (
'https://testnet.bitcoincloud.net',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'http://test.whatsonchain.com',
{'tx': 'tx', 'addr': 'address'},
),
'satoshi.io': (
'https://testnet.satoshi.io',
{'tx': 'tx', 'addr': 'address'},
),
'system default': (
'blockchain:',
{'tx': 'tx', 'addr': 'address'},
),
}
FAUCET_URL = "https://testnet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
class SVRegTestnet(object):
"""The checkpoint cannot be made until the bitcoin node has at least generated 146 blocks (to
calculate the DAA). Blocks are therefore generated until there are at least 200. A new
checkpoint at height = 200 is then calculated before allowing anything further to proceed.
Note: RegTest overflows the max nBits field, presumably due to a very short time interval
between generated blocks. To modify this field would be to change the hash of the header so
as a workaround, bitcoinx is monkeypatched to skip the checking of the difficulty target
(see HeadersRegtestMod)."""
# hardcoded
# - WIF private_key: cT3G2vJGRNbpmoCVXYPYv2JbngzwtznLvioPPJXu39jfQeLpDuX5
# - Pubkey hash: mfs8Y8gAwC2vJHCeSXkHs6LF5nu5PA7nxc
REGTEST_FUNDS_PRIVATE_KEY: PrivateKey = PrivateKey(bytes.fromhex(
'a2d9803c912ab380c1491d3bd1aaab34ca06742d7885a224ec8d386182d26ed2'),
coin=BitcoinRegtest)
REGTEST_FUNDS_PRIVATE_KEY_WIF = REGTEST_FUNDS_PRIVATE_KEY.to_WIF()
REGTEST_FUNDS_PUBLIC_KEY: PublicKey = REGTEST_FUNDS_PRIVATE_KEY.public_key
REGTEST_P2PKH_ADDRESS: P2PKH_Address = REGTEST_FUNDS_PUBLIC_KEY.to_address(
).to_string()
# For CI/CD use (restapi will by default reset everything back to empty wallet with this seed)
# First receive address: mwv1WZTsrtKf3S9mRQABEeMaNefLbQbKpg
REGTEST_DEFAULT_ACCOUNT_SEED = 'tprv8ZgxMBicQKsPd4wsdaJ11eH84eq4hHLX1K6Mx8EQQhJzq8jr25WH1m8hg' \
'GkCqnksJDCZPZbDoMbQ6QtroyCyn5ZckCmsLeiHDb1MAxhNUHN'
MIN_CHECKPOINT_HEIGHT = 0
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_regtest.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'regtest'
BITCOIN_URI_PREFIX = "bitcoin"
PAY_URI_PREFIX = "pay"
WIF_PREFIX = 0xef
BIP276_VERSION = 2
COIN = BitcoinRegtest
# Use the following for a chain reset.
CHECKPOINT = CheckPoint(bytes.fromhex(
'0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd'
'7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff001d1aa4ae18'
),
height=0,
prev_work=0)
VERIFICATION_BLOCK_MERKLE_ROOT = None
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS: Dict[str, Tuple[str, Dict[str, str]]] = {}
FAUCET_URL = ""
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
TWENTY_MINUTE_RULE = True
class SVRegTestnet(object):
"""The checkpoint cannot be made until the bitcoin node has at least generated 146 blocks (to
calculate the DAA). Blocks are therefore generated until there are at least 200. A new
checkpoint at height = 200 is then calculated before allowing anything further to proceed.
Note: RegTest overflows the max nBits field, presumably due to a very short time interval
between generated blocks. To modify this field would be to change the hash of the header so
as a workaround, bitcoinx is monkeypatched to skip the checking of the difficulty target
(see HeadersRegtestMod)."""
# hardcoded
# - WIF private_key: cT3G2vJGRNbpmoCVXYPYv2JbngzwtznLvioPPJXu39jfQeLpDuX5
# - Pubkey hash: mfs8Y8gAwC2vJHCeSXkHs6LF5nu5PA7nxc
REGTEST_FUNDS_PRIVATE_KEY: PrivateKey = PrivateKey(bytes.fromhex(
'a2d9803c912ab380c1491d3bd1aaab34ca06742d7885a224ec8d386182d26ed2'),
coin=BitcoinRegtest)
REGTEST_FUNDS_PRIVATE_KEY_WIF = REGTEST_FUNDS_PRIVATE_KEY.to_WIF()
REGTEST_FUNDS_PUBLIC_KEY: PublicKey = REGTEST_FUNDS_PRIVATE_KEY.public_key
REGTEST_P2PKH_ADDRESS: P2PKH_Address = REGTEST_FUNDS_PUBLIC_KEY.to_address(
).to_string()
# For CI/CD use (restapi will by default reset everything back to empty wallet with this seed)
REGTEST_DEFAULT_ACCOUNT_SEED = 'tprv8ZgxMBicQKsPd4wsdaJ11eH84eq4hHLX1K6Mx8EQQhJzq8jr25WH1m8hg' \
'GkCqnksJDCZPZbDoMbQ6QtroyCyn5ZckCmsLeiHDb1MAxhNUHN'
MIN_CHECKPOINT_HEIGHT = 200
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_regtest.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'regtest'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
BIP276_VERSION = 2
COIN = BitcoinRegtest
CHECKPOINT = CheckPoint(bytes.fromhex(
'0000002029f1e3df7fda466242b9b56076792ffdb9e5d7ea51610307bc010000000000007ac1fa84'
'ef5f0998232fb01cd6fea2c0199e34218df2fb33e4e80e79d22b6a746994435d41c4021a208bae0a'
),
height=123,
prev_work=123)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'93414acafdef2dad790c456a424a6a261b66771a3426117125d8c13a1c93f10e')
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS: Dict[str, Tuple[str, Dict[str, str]]] = {}
FAUCET_URL = ""
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
TWENTY_MINUTE_RULE = True
class SVTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_testnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'testnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
BITCOIN_CASH_FORK_BLOCK_HASH = (
"00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
)
COIN = BitcoinTestnet
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'000000201d64d2c7c34486e209c246a24f8c28328ba296441fa6d2b22ea67d0300000000ec7b863e'
'fc96f7a7183ef0e0c6b65dd0dc3626c3cded68ccc7dfd06e53dbb6180c74065c2442111cda61b4ef'
), height=1273000, prev_work=0x3f53f8e19733a00946)
VERIFICATION_BLOCK_MERKLE_ROOT = (
"2fde3bf6de5266bd7a2c65b6e6971f8aa5e7b839ee18523994309ab42a18a70c"
)
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoincloud.net': (
'https://testnet.bitcoincloud.net',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'http://test.whatsonchain.com',
{'tx': 'tx', 'addr': 'address'},
),
'satoshi.io': (
'https://test.satoshi.io',
{'tx': 'tx', 'addr': 'address'},
),
'system default': (
'blockchain:',
{'tx': 'tx', 'addr': 'address'},
),
}
FAUCET_URL = "https://testnet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
class SVMainnet(object):
ADDRTYPE_P2PKH = 0
ADDRTYPE_P2SH = 5
CASHADDR_PREFIX = "bitcoincash"
DEFAULT_PORTS = {'t': '50001', 's': '50002'}
DEFAULT_SERVERS = read_json_dict('servers.json')
GENESIS = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
NAME = 'mainnet'
BITCOIN_URI_PREFIX = "bitcoin"
PAY_URI_PREFIX = "pay"
WIF_PREFIX = 0x80
BIP276_VERSION = 1
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 478559
BITCOIN_CASH_FORK_BLOCK_HASH = (
"000000000000000000651ef99cb9fcbe0dadde1d424bd9f15ff20136191a5eec"
)
COIN = Bitcoin
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'00004020001c43664879f5c89384f39f0c71a48197b2f1bfdbbe83010000000000000000e3d8f953'
'f133959c98fadfced5b83f388b8aaee167772dc850425edcb5ac916e7862285fdf6203181438585e'
), height=646575, prev_work=0x1149bb71861599709fe849c)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'3fccaf735987c5a6bcf5ee24022a989d311b18e0fa20f67c4565137fb888317b'
)
BIP44_COIN_TYPE = 0
BLOCK_EXPLORERS = {
'hugeblock.info': (
'https://hugeblock.info',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'https://whatsonchain.com',
{'tx': 'tx', 'addr': 'address', 'script': 'script'},
),
'blockchair.com' : (
'https://blockchair.com/bitcoin-sv',
{'tx': 'transaction', 'addr': 'address'},
),
'satoshi.io': (
'https://satoshi.io',
{'tx': 'tx', 'addr': 'address', 'script': 'script'},
),
}
FAUCET_URL = "https://faucet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Bitcoin'
TREZOR_COIN_NAME = 'Bcash'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = False
class SVMainnet(object):
ADDRTYPE_P2PKH = 0
ADDRTYPE_P2SH = 5
CASHADDR_PREFIX = "bitcoincash"
DEFAULT_PORTS = {'t': '50001', 's': '50002'}
DEFAULT_SERVERS = read_json_dict('servers.json')
GENESIS = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
NAME = 'mainnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0x80
BIP276_VERSION = 1
# Bitcoin Cash fork block specification
BITCOIN_CASH_FORK_BLOCK_HEIGHT = 478559
BITCOIN_CASH_FORK_BLOCK_HASH = (
"000000000000000000651ef99cb9fcbe0dadde1d424bd9f15ff20136191a5eec"
)
COIN = Bitcoin
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'000000201ff55a51c860352808114e52a9b09ae65dd9156a24e75e01000000000000000033320991'
'190dcb5a86159e56b9ba2da6bca4e515d9dcbab6878471f8fcdf4039cd98425d7dee0518c5322529'
), height=593660, prev_work=0xe5eef982b80af19dbeb052)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'6acb9cf11127bd497bbebc61fca7d522d985b43be813f8710dca95351e89953e'
)
BIP44_COIN_TYPE = 0
BLOCK_EXPLORERS = {
'hugeblock.info': (
'https://hugeblock.info',
{'tx': 'tx', 'addr': 'address'},
),
'whatsonchain.com': (
'https://whatsonchain.com',
{'tx': 'tx', 'addr': 'address'},
),
'blockchair.com' : (
'https://blockchair.com/bitcoin-sv',
{'tx': 'transaction', 'addr': 'address'},
),
'satoshi.io': (
'https://satoshi.io',
{'tx': 'tx', 'addr': 'address'},
),
}
FAUCET_URL = "https://faucet.satoshisvision.network"
KEEPKEY_DISPLAY_COIN_NAME = 'Bitcoin'
TREZOR_COIN_NAME = 'Bcash'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = False
class SVScalingTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_scalingtestnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'scalingtestnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
# Bitcoin Cash fork block specification
# BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
# BITCOIN_CASH_FORK_BLOCK_HASH = (
# "00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
# )
COIN = BitcoinScalingTestnet
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd'
'7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff001d1aa4ae18',
),
height=0,
prev_work=0)
VERIFICATION_BLOCK_MERKLE_ROOT = None
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoinscaling.io': (
'https://bigblocks.bitcoinscaling.io',
{
'tx': 'transaction',
'addr': 'address'
},
),
'system default': (
'blockchain:',
{
'tx': 'tx',
'addr': 'address'
},
),
}
FAUCET_URL = "https://faucet.bitcoinscaling.io/"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
def setup_headers(tmpdir, headers_file):
with open(os.path.join(data_dir, headers_file), 'rb') as f:
raw_headers = f.read()
last_height, = unpack_le_uint32(raw_headers[-84:-80])
last_raw = raw_headers[-80:]
checkpoint = CheckPoint(last_raw, last_height, 0)
headers = create_headers(tmpdir, checkpoint)
for offset in range(0, len(raw_headers), 84):
height, = unpack_le_uint32(raw_headers[offset:offset + 4])
raw_header = raw_headers[offset + 4:offset + 84]
headers.set_one(height, raw_header)
return headers
def setup_gzipped_headers(tmpdir, headers_file, network):
import gzip
with gzip.open(os.path.join(data_dir, headers_file), 'rb') as f:
first_height = unpack_le_uint32(f.read(4))[0]
header_count = unpack_le_uint32(f.read(4))[0]
raw_header = bytearray(80)
raw_header[0] = 1
checkpoint = CheckPoint(raw_header, first_height + header_count - 1, 0)
headers = create_headers(tmpdir, checkpoint, network=network)
for height in range(first_height, header_count):
headers.set_one(height, f.read(80))
return headers
def setup_compressed_headers(tmpdir, headers_file, ts_offset, network):
with open(os.path.join(data_dir, headers_file), 'rb') as f:
raw_data = f.read()
all_times = array.array('I')
all_bits = array.array('I')
read = io.BytesIO(raw_data).read
first_height, = unpack_le_uint32(read(4))
header_count, = unpack_le_uint32(read(4))
# Timestamps
first_time, = unpack_le_uint32(read(4))
all_times.append(first_time)
for n in range(1, header_count):
diff, = unpack_le_uint16(read(2))
all_times.append(all_times[-1] + diff - ts_offset)
# Bits
while True:
raw = read(4)
if not raw:
break
bits, = unpack_le_uint32(raw)
if bits < 2016 * 2:
count = bits
bits, = unpack_le_uint32(read(4))
all_bits.extend(array.array('I', [bits]) * count)
else:
all_bits.append(bits)
assert len(all_times) == header_count
assert len(all_bits) == header_count
raw_header = bytearray(80)
raw_header[0] = 1
checkpoint = CheckPoint(raw_header, first_height + header_count - 1, 0)
headers = create_headers(tmpdir, checkpoint, network=network)
for height, (bits, timestamp) in enumerate(zip(all_bits, all_times),
start=first_height):
raw_header[68:72] = pack_le_uint32(timestamp)
raw_header[72:76] = pack_le_uint32(bits)
headers.set_one(height, raw_header)
return headers
def calculate_regtest_checkpoint(height):
logging.getLogger("urllib3").setLevel(logging.WARNING) # suppress excessive logging
try:
hash_ = get_blockhash_by_height(height)
checkpoint_raw_header = get_raw_block_header_by_hash(hash_)
# RegTest nBits overflow the max allowable value so cap the nBits at max
prev_work = sum((bits_to_work(MAX_BITS) for i in range(Net.MIN_CHECKPOINT_HEIGHT - 1)))
checkpoint = CheckPoint(raw_header=checkpoint_raw_header,
height=Net.MIN_CHECKPOINT_HEIGHT, prev_work=prev_work)
verification_block_merkle_root = checkpoint_raw_header[36:68]
return checkpoint, verification_block_merkle_root
except requests.HTTPError as e:
if e.response.json().get('error').get('code') == BLOCK_HEIGHT_OUT_OF_RANGE_ERROR:
regtest_generate_nblocks(200, address=Net.REGTEST_P2PKH_ADDRESS)
# retry with more blocks
return calculate_regtest_checkpoint(height)
class SVScalingTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_scalingtestnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'scalingtestnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
BIP276_VERSION = 3
# Bitcoin Cash fork block specification
# BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
# BITCOIN_CASH_FORK_BLOCK_HASH = (
# "00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
# )
COIN = BitcoinScalingTestnet
CHECKPOINT = CheckPoint(bytes.fromhex(
'00000020e00cb24913995b9db004e06a016e99128c862b6ad075ec259164219e00000000432acae3'
'6979a88471935a3fb891bf462a017204e834e7eef034c10540e70db47abab45dffff001d117e9185'
),
height=2500,
prev_work=0x6f4cd3b9b05b4)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'2a9310d4af21e92d20e6f2aaeabc54d8c0b5d5e74a1278ffcd4c9ba47cffe422')
# Use the following for a chain reset.
# CHECKPOINT = CheckPoint(bytes.fromhex(
# '0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd'
# '7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff001d1aa4ae18'
# ), height=0, prev_work=0)
# VERIFICATION_BLOCK_MERKLE_ROOT = None
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoinscaling.io': (
'https://bigblocks.bitcoinscaling.io',
{
'tx': 'transaction',
'addr': 'address'
},
),
'whatsonchain.com': (
'http://stn.whatsonchain.com',
{
'tx': 'tx',
'addr': 'address'
},
),
'satoshi.io': (
'https://stn.satoshi.io',
{
'tx': 'tx',
'addr': 'address'
},
),
'system default': (
'blockchain:',
{
'tx': 'tx',
'addr': 'address'
},
),
}
FAUCET_URL = "https://faucet.bitcoinscaling.io"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
class SVScalingTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_scalingtestnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'scalingtestnet'
BITCOIN_URI_PREFIX = "bitcoin"
PAY_URI_PREFIX = "pay"
WIF_PREFIX = 0xef
BIP276_VERSION = 3
# Bitcoin Cash fork block specification
# BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
# BITCOIN_CASH_FORK_BLOCK_HASH = (
# "00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
# )
COIN = BitcoinScalingTestnet
# Replace after sufficient time has passed after a chain reset.
CHECKPOINT = CheckPoint(bytes.fromhex(
'0000002050c936fce8c10522b399a9feee9c48fba7c409561d0553369fd6dc0a00000000735d99a4'
'0a4ff9d2499db4524ca1663b82736211390885bd5d813ef2d4612c798e7e285f99d91d1cb33ad085'
),
height=15789,
prev_work=0x12c8202e00871)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'3c6449749d6376dd341f4e1b2192ec658b68c241beaaf665e5615ae01c35b853')
# Use the following for a chain reset.
# CHECKPOINT = CheckPoint(bytes.fromhex(
# '0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd'
# '7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff001d1aa4ae18'
# ), height=0, prev_work=0)
# VERIFICATION_BLOCK_MERKLE_ROOT = None
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoinscaling.io': (
'https://bigblocks.bitcoinscaling.io',
{
'tx': 'transaction',
'addr': 'address'
},
),
'whatsonchain.com': (
'http://stn.whatsonchain.com',
{
'tx': 'tx',
'addr': 'address'
},
),
'satoshi.io': (
'https://stn.satoshi.io',
{
'tx': 'tx',
'addr': 'address'
},
),
'system default': (
'blockchain:',
{
'tx': 'tx',
'addr': 'address'
},
),
}
FAUCET_URL = "https://faucet.bitcoinscaling.io"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
class SVScalingTestnet(object):
ADDRTYPE_P2PKH = 111
ADDRTYPE_P2SH = 196
CASHADDR_PREFIX = "bchtest"
DEFAULT_PORTS = {'t': '51001', 's': '51002'}
DEFAULT_SERVERS = read_json_dict('servers_scalingtestnet.json')
GENESIS = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
NAME = 'scalingtestnet'
URI_PREFIX = "bitcoin"
WIF_PREFIX = 0xef
# Bitcoin Cash fork block specification
# BITCOIN_CASH_FORK_BLOCK_HEIGHT = 1155876
# BITCOIN_CASH_FORK_BLOCK_HASH = (
# "00000000000e38fef93ed9582a7df43815d5c2ba9fd37ef70c9a0ea4a285b8f5e"
# )
COIN = BitcoinScalingTestnet
# A post-split SV checkpoint.
CHECKPOINT = CheckPoint(bytes.fromhex(
'010000201b60800462c28335ae5d2a3552614ab72afbdc23f37301a06d0a03920000000079d5a7a2'
'a50d0b7f7da3e6ff4ceccd1591cfc2fcc1410b69bde0fac43e0409010090435d3d014f1c5af053d3'
),
height=23267,
prev_work=0x6eb0931d6fbf0)
VERIFICATION_BLOCK_MERKLE_ROOT = (
'a66bfe7bdf9f88cccf59f27f03a38f1c339a00ca4351fc77f78a1fb1dfda6696')
BIP44_COIN_TYPE = 1
BLOCK_EXPLORERS = {
'bitcoinscaling.io': (
'https://bigblocks.bitcoinscaling.io',
{
'tx': 'transaction',
'addr': 'address'
},
),
'whatsonchain.com': (
'http://stn.whatsonchain.com',
{
'tx': 'tx',
'addr': 'address'
},
),
'satoshi.io': (
'https://stn.satoshi.io',
{
'tx': 'tx',
'addr': 'address'
},
),
'system default': (
'blockchain:',
{
'tx': 'tx',
'addr': 'address'
},
),
}
FAUCET_URL = "https://faucet.bitcoinscaling.io"
KEEPKEY_DISPLAY_COIN_NAME = 'Testnet'
# Note: testnet allegedly supported only by unofficial firmware
TREZOR_COIN_NAME = 'Bcash Testnet'
# Really we want to put the difficulty logic in this file
TWENTY_MINUTE_RULE = True
