66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
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# standard imports
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import logging
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import os
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# external imports
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from hexdir import HexDir
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from chainlib.eth.tx import pack
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from hexathon import strip_0x
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logg = logging.getLogger(__name__)
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class PointerHexDir(HexDir):
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def __init__(self, root_path, key_length, levels=2, prefix_length=0):
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super(PointerHexDir, self).__init__(root_path, key_length, levels, prefix_length)
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self.pointers = {}
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def register_pointer(self, label, dir_name=None):
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if dir_name == None:
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dir_name = label
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pointer_dir = os.path.join(self.path, dir_name)
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os.makedirs(pointer_dir, exist_ok=True)
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label_file = os.path.join(pointer_dir, '.label')
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try:
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os.stat(label_file)
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except FileNotFoundError:
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f = open(label_file, 'w')
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f.write(label)
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f.close()
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self.pointers[label] = pointer_dir
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def add_pointer(self, pointer, pointer_relpath, destination_path):
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if isinstance(pointer_relpath, list):
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link_path = os.path.join(self.pointers[pointer], *pointer_relpath)
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else:
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link_path = os.path.join(self.pointers[pointer], pointer_relpath)
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os.makedirs(os.path.dirname(link_path), exist_ok=True)
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os.symlink(destination_path, link_path)
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logg.debug('added link {} -> {}'.format(link_path, destination_path))
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def add(self, key, content, prefix=b'', pointers={}):
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(c, entry_path) = super(PointerHexDir, self).add(key, content, prefix=prefix)
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for k in pointers.keys():
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self.add_pointer(k, pointers[k], entry_path)
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class TxFileStore:
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def __init__(self, chain_spec, backend):
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self.backend = backend
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self.chain_spec = chain_spec
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def put(self, block, tx, addresses, attrs={}):
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for address in addresses:
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tx_src = tx.as_dict()
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tx_raw = pack(tx_src, self.chain_spec)
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filename = '{}_{}_{}'.format(block.number, tx.index, strip_0x(tx.hash))
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self.backend.add(bytes.fromhex(tx.hash), tx_raw, pointers={'address': [strip_0x(address),filename]})
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