How to use the pybit.py3.chain.Chain function in pybit

from pybit.py3.chain import Chain

c = Chain(datStart=1,
          verb=6, 
          defer_printing=0)
c.read_next_Dat()

print("b58: {0}".format(b58))

    return b58

pk = "0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B23522"\
     + "CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6"
addr = PK2Addr(pk, 
               debug=True)

assert addr == b'16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM'


# %% Try using address in genesis block

# Import the first dat file
c = Chain(verb=4,
          datStart=0,
          datn=3)
c.read_next_Dat()

# Get the script from the first transaction in the first block
# (Assuming this is the genesis block!)
# Split off op_codes using split_scripts from Examples/DecodeOuputScripts.py
script = split_script(c.dats[0].blocks[0].trans[0].pkScript)

# Get the data to convert from after the push bytes op
pk = script[script.index("PUSH_BYTES")+2]

# Convert
addr = PK2Addr(pk,
               debug=True)

# %% Read next block

    # Read the block
    dat.read_next_block()

    # Verify it's correct (this may already have been done on import)
    dat.blocks[0].api_verify()

    # %% Print example transaction

    dat.blocks[0].trans[0]._print()

# %% Read chain - 1 step

    c = Chain(verb=2,
              datStart=2)
    c.read_next_Dat()

# -*- coding: utf-8 -*-

# %% Imports

from pybit.py3.chain import Chain


# %% Import a block

c = Chain(verb=1,
          datStart=0,
          datn=3)
c.read_next_Dat()


# %% Print the full transaction info of the only transaction in the genesis
# block
# All the output information is in .pkScript

c.dats[0].blocks[0].trans[0]._print()


# %% Function to split script in to components

def split_script(pk_op):
    """

# -*- coding: utf-8 -*-

# %% Imports

from pybit.py3.chain import Chain


# %% Create chain

c = Chain(verb=1,
          datStart=0,
          datn=1,
          outputPath="ExportedBlocks/")
c.read_all()

from pybit.py3.chain import Chain, Dat
from pybit.py3.block_map import BlockMap
from pybit.pyx.utils import tqdm_off

# Optional import for pretty waitbars
try:
    from tqdm import tqdm
    print("Imported tqdm")
except ImportError:
    tqdm = tqdm_off


# %% Higher level classes

class ChainMap(Chain):
    def readDat(self, datn: int) -> Dat:
        fn = "blk{0:05d}.dat".format(datn)

        if self.verb >= 1:
            print(f)

        dat = DatMap(f,
                     verb=self.verb)
        self.datni += 1

        return dat


class DatMap(Dat):
    def read_next_block(self,
                        n: int=1,

dat.blocks[0].trans[0].api_verify()

    # %% Convert block transaction to pandas df

    transTable = dat.trans_to_pandas()
    transTable.head()

    # %% Read chain - 1 step
    """
    c = Chain(verb=4)
    c.read_next_Dat()
    """
    # %% Read chain - all (in range)

    c = Chain(verb=1,
              datStart=1,
              datn=1)
    c.read_all()

    # %% Print example transaction

    print(c.dats[1].blocks[2].trans[0])