EC_UNCOMPRESSED = secp256k1.SECP256K1_EC_UNCOMPRESSED
FLAG_SIGN = secp256k1.SECP256K1_CONTEXT_SIGN
FLAG_VERIFY = secp256k1.SECP256K1_CONTEXT_VERIFY
ALL_FLAGS = FLAG_SIGN | FLAG_VERIFY
NO_FLAGS = secp256k1.SECP256K1_CONTEXT_NONE
HAS_RECOVERABLE = hasattr(secp256k1, 'secp256k1_ecdsa_sign_recoverable')
HAS_SCHNORR = hasattr(secp256k1, 'secp256k1_schnorr_sign')
HAS_ECDH = hasattr(secp256k1, 'secp256k1_ecdh')
ECDSA_CONTEXT_SIGN = secp256k1.secp256k1_context_create(FLAG_SIGN)
ECDSA_CONTEXT_VERIFY = secp256k1.secp256k1_context_create(FLAG_VERIFY)
ECDSA_CONTEXT_ALL = secp256k1.secp256k1_context_create(ALL_FLAGS)
secp256k1.secp256k1_context_randomize(
ECDSA_CONTEXT_SIGN,
random.SystemRandom().randint(0, MAX_INT_PRIVATE_KEY).to_bytes(
32, byteorder="big"))
SCRIPT_TYPES = {
"P2PKH": 0,
"P2SH": 1,
"PUBKEY": 2,
"NULL_DATA": 3,
"MULTISIG": 4,
"NON_STANDART": 5,
"SP2PKH": 6
}
b58_digits = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
base32charset = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
EC_COMPRESSED = lib.SECP256K1_EC_COMPRESSED
EC_UNCOMPRESSED = lib.SECP256K1_EC_UNCOMPRESSED
FLAG_SIGN = lib.SECP256K1_CONTEXT_SIGN
FLAG_VERIFY = lib.SECP256K1_CONTEXT_VERIFY
ALL_FLAGS = FLAG_SIGN | FLAG_VERIFY
NO_FLAGS = lib.SECP256K1_CONTEXT_NONE
HAS_RECOVERABLE = hasattr(lib, 'secp256k1_ecdsa_sign_recoverable')
HAS_SCHNORR = hasattr(lib, 'secp256k1_schnorr_sign')
HAS_ECDH = hasattr(lib, 'secp256k1_ecdh')
ECDSA_CONTEXT_SIGN = lib.secp256k1_context_create(FLAG_SIGN)
ECDSA_CONTEXT_VERIFY = lib.secp256k1_context_create(FLAG_VERIFY)
ECDSA_CONTEXT_ALL = lib.secp256k1_context_create(ALL_FLAGS)
lib.secp256k1_context_randomize(ECDSA_CONTEXT_SIGN,
random.SystemRandom().randint(0, ECDSA_SEC256K1_ORDER).to_bytes(32, byteorder="big"))
SCRIPT_TYPES = {"P2PKH": 0,
"P2SH": 1,
"PUBKEY": 2,
"NULL_DATA": 3,
"MULTISIG": 4,
"P2WPKH": 5,
"P2WSH": 6,
"NON_STANDARD": 7,
"NULL_DATA_NON_STANDARD": 8
}
# CONSTANTS hierarchical deterministic wallets (HD Wallets)
MAINNET_XPRIVATE_KEY_PREFIX = b'\x04\x88\xAD\xE4'