nimbus-eth2/tests/helpers/math_helpers.nim
tersec c64737e7f2
implement aggregated attestation receiving/validating (#1272)
* implement aggregated attestation receiving/validating

* document the conditions without explicit implementations in isValidAggregatedAttestation()
2020-07-02 16:15:27 +00:00

11 lines
573 B
Nim

# beacon_chain
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
func round_multiple_down*(x: uint64, n: uint64): uint64 {.inline.} =
## Round the input to the previous multiple of "n"
x - x mod n