コード例 #1
0
 def _get_canonical_block_hash(db: BaseDB, slot: int) -> Hash32:
     validate_slot(slot)
     slot_to_hash_key = SchemaV1.make_block_slot_to_hash_lookup_key(slot)
     try:
         encoded_key = db[slot_to_hash_key]
     except KeyError:
         raise BlockNotFound(
             "No canonical block for block slot #{0}".format(slot))
     else:
         return rlp.decode(encoded_key, sedes=rlp.sedes.binary)
コード例 #2
0
 def _get_canonical_crystallized_state_root(db: BaseDB,
                                            slot: int) -> Hash32:
     validate_slot(slot)
     slot_to_hash_key = SchemaV1.make_slot_to_crystallized_state_lookup_key(
         slot)
     try:
         encoded_key = db[slot_to_hash_key]
     except KeyError:
         raise StateRootNotFound(
             "No canonical crystallized state for slot #{0}".format(slot))
     else:
         return rlp.decode(encoded_key, sedes=rlp.sedes.binary)
コード例 #3
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def test_validate_slot(slot, is_valid):
    if is_valid:
        validate_slot(slot)
    else:
        with pytest.raises(ValidationError):
            validate_slot(slot)
コード例 #4
0
 def _get_canonical_block_by_slot(cls, db: BaseDB,
                                  slot: int) -> BaseBeaconBlock:
     validate_slot(slot)
     canonical_block_hash = cls._get_canonical_block_hash(db, slot)
     return cls._get_block_by_hash(db, canonical_block_hash)
コード例 #5
0
 def _get_canonical_block_hash_by_slot(cls, db: BaseDB,
                                       slot: int) -> Hash32:
     validate_slot(slot)
     return cls._get_canonical_block_hash(db, slot)