def __kv_map_to_bytes(kv_map):
ctx = BytesSerializationContext()
# Sorting the map elements to create chunks deterministically, but this is not mandatory for importing the chunk
for key, value in sorted(kv_map.items()):
ctx.write_varuint(len(key))
ctx.write_bytes(key)
ctx.write_varuint(len(value))
ctx.write_bytes(value)
return ctx.getbytes()
def __put_timestamp(self, new_timestamp, batch):
"""Write a single timestamp, non-recursively"""
ctx = BytesSerializationContext()
ctx.write_varuint(len(new_timestamp.attestations))
for attestation in new_timestamp.attestations:
attestation.serialize(ctx)
ctx.write_varuint(len(new_timestamp.ops))
for op in new_timestamp.ops:
op.serialize(ctx)
batch.Put(new_timestamp.msg, ctx.getbytes())
def __put_timestamp(self, new_timestamp, batch):
"""Write a single timestamp, non-recursively"""
ctx = BytesSerializationContext()
ctx.write_varuint(len(new_timestamp.attestations))
for attestation in new_timestamp.attestations:
attestation.serialize(ctx)
ctx.write_varuint(len(new_timestamp.ops))
for op in new_timestamp.ops:
op.serialize(ctx)
batch.Put(new_timestamp.msg, ctx.getbytes())
def __create_kv_map(ts, msg, kv_map):
ctx = BytesSerializationContext()
ctx.write_varuint(len(ts.attestations))
for attestation in ts.attestations:
attestation.serialize(ctx)
ctx.write_varuint(len(ts.ops))
for op in ts.ops:
op.serialize(ctx)
kv_map[msg] = ctx.getbytes()
for op, timestamp in ts.ops.items():
Backup.__create_kv_map(timestamp, timestamp.msg, kv_map)
