# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild from pkg_resources import parse_version from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO from enum import Enum import collections if parse_version(ks_version) < parse_version('0.7'): raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) class BitcoinTransaction(KaitaiStruct): """ .. seealso:: Source - https://bitcoin.org/en/developer-guide#transactions https://en.bitcoin.it/wiki/Transaction """ class SighashType(Enum): sighash_all = 1 sighash_none = 2 sighash_single = 3 sighash_anyonecanpay = 80 SEQ_FIELDS = ["version", "num_vins", "vins", "num_vouts", "vouts", "locktime"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['version']['start'] = self._io.pos() self.version = self._io.read_u4le() self._debug['version']['end'] = self._io.pos() self._debug['num_vins']['start'] = self._io.pos() self.num_vins = self._io.read_u1() self._debug['num_vins']['end'] = self._io.pos() self._debug['vins']['start'] = self._io.pos() self.vins = [None] * (self.num_vins) for i in range(self.num_vins): if not 'arr' in self._debug['vins']: self._debug['vins']['arr'] = [] self._debug['vins']['arr'].append({'start': self._io.pos()}) _t_vins = self._root.Vin(self._io, self, self._root) _t_vins._read() self.vins[i] = _t_vins self._debug['vins']['arr'][i]['end'] = self._io.pos() self._debug['vins']['end'] = self._io.pos() self._debug['num_vouts']['start'] = self._io.pos() self.num_vouts = self._io.read_u1() self._debug['num_vouts']['end'] = self._io.pos() self._debug['vouts']['start'] = self._io.pos() self.vouts = [None] * (self.num_vouts) for i in range(self.num_vouts): if not 'arr' in self._debug['vouts']: self._debug['vouts']['arr'] = [] self._debug['vouts']['arr'].append({'start': self._io.pos()}) _t_vouts = self._root.Vout(self._io, self, self._root) _t_vouts._read() self.vouts[i] = _t_vouts self._debug['vouts']['arr'][i]['end'] = self._io.pos() self._debug['vouts']['end'] = self._io.pos() self._debug['locktime']['start'] = self._io.pos() self.locktime = self._io.read_u4le() self._debug['locktime']['end'] = self._io.pos() class Vout(KaitaiStruct): SEQ_FIELDS = ["amount", "script_len", "script_pub_key"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['amount']['start'] = self._io.pos() self.amount = self._io.read_u8le() self._debug['amount']['end'] = self._io.pos() self._debug['script_len']['start'] = self._io.pos() self.script_len = self._io.read_u1() self._debug['script_len']['end'] = self._io.pos() self._debug['script_pub_key']['start'] = self._io.pos() self.script_pub_key = self._io.read_bytes(self.script_len) self._debug['script_pub_key']['end'] = self._io.pos() class PublicKey(KaitaiStruct): SEQ_FIELDS = ["type", "x", "y"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['type']['start'] = self._io.pos() self.type = self._io.read_u1() self._debug['type']['end'] = self._io.pos() self._debug['x']['start'] = self._io.pos() self.x = self._io.read_bytes(32) self._debug['x']['end'] = self._io.pos() self._debug['y']['start'] = self._io.pos() self.y = self._io.read_bytes(32) self._debug['y']['end'] = self._io.pos() class Vin(KaitaiStruct): SEQ_FIELDS = ["txid", "output_id", "script_len", "script_sig", "end_of_vin"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['txid']['start'] = self._io.pos() self.txid = self._io.read_bytes(32) self._debug['txid']['end'] = self._io.pos() self._debug['output_id']['start'] = self._io.pos() self.output_id = self._io.read_u4le() self._debug['output_id']['end'] = self._io.pos() self._debug['script_len']['start'] = self._io.pos() self.script_len = self._io.read_u1() self._debug['script_len']['end'] = self._io.pos() self._debug['script_sig']['start'] = self._io.pos() self._raw_script_sig = self._io.read_bytes(self.script_len) io = KaitaiStream(BytesIO(self._raw_script_sig)) self.script_sig = self._root.ScriptSignature(io, self, self._root) self.script_sig._read() self._debug['script_sig']['end'] = self._io.pos() self._debug['end_of_vin']['start'] = self._io.pos() self.end_of_vin = self._io.ensure_fixed_contents(b"\xFF\xFF\xFF\xFF") self._debug['end_of_vin']['end'] = self._io.pos() class ScriptSignature(KaitaiStruct): SEQ_FIELDS = ["sig_stack_len", "der_sig", "sig_type", "pubkey_stack_len", "pubkey"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['sig_stack_len']['start'] = self._io.pos() self.sig_stack_len = self._io.read_u1() self._debug['sig_stack_len']['end'] = self._io.pos() self._debug['der_sig']['start'] = self._io.pos() self.der_sig = self._root.DerSignature(self._io, self, self._root) self.der_sig._read() self._debug['der_sig']['end'] = self._io.pos() self._debug['sig_type']['start'] = self._io.pos() self.sig_type = KaitaiStream.resolve_enum(self._root.SighashType, self._io.read_u1()) self._debug['sig_type']['end'] = self._io.pos() self._debug['pubkey_stack_len']['start'] = self._io.pos() self.pubkey_stack_len = self._io.read_u1() self._debug['pubkey_stack_len']['end'] = self._io.pos() self._debug['pubkey']['start'] = self._io.pos() self.pubkey = self._root.PublicKey(self._io, self, self._root) self.pubkey._read() self._debug['pubkey']['end'] = self._io.pos() class DerSignature(KaitaiStruct): SEQ_FIELDS = ["sequence", "sig_len", "sep_1", "sig_r_len", "sig_r", "sep_2", "sig_s_len", "sig_s"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['sequence']['start'] = self._io.pos() self.sequence = self._io.ensure_fixed_contents(b"\x30") self._debug['sequence']['end'] = self._io.pos() self._debug['sig_len']['start'] = self._io.pos() self.sig_len = self._io.read_u1() self._debug['sig_len']['end'] = self._io.pos() self._debug['sep_1']['start'] = self._io.pos() self.sep_1 = self._io.ensure_fixed_contents(b"\x02") self._debug['sep_1']['end'] = self._io.pos() self._debug['sig_r_len']['start'] = self._io.pos() self.sig_r_len = self._io.read_u1() self._debug['sig_r_len']['end'] = self._io.pos() self._debug['sig_r']['start'] = self._io.pos() self.sig_r = self._io.read_bytes(self.sig_r_len) self._debug['sig_r']['end'] = self._io.pos() self._debug['sep_2']['start'] = self._io.pos() self.sep_2 = self._io.ensure_fixed_contents(b"\x02") self._debug['sep_2']['end'] = self._io.pos() self._debug['sig_s_len']['start'] = self._io.pos() self.sig_s_len = self._io.read_u1() self._debug['sig_s_len']['end'] = self._io.pos() self._debug['sig_s']['start'] = self._io.pos() self.sig_s = self._io.read_bytes(self.sig_s_len) self._debug['sig_s']['end'] = self._io.pos()