prysm-pulse/shared/slashutil/surround_votes.go
Raul Jordan 5aac06f04e
Move EthereumAPIs Into Prysm (#8968)
* begin move

* use same import path

* imports

* regen protos

* regen

* no rename

* generate ssz

* gaz

* fmt

* edit build file

* imports

* modify

* remove generated files

* remove protos

* edit imports in prysm

* beacon chain all builds

* edit script

* add generated pbs

* add replace rules

* license for ethereumapis protos

* change visibility

* fmt

* update build files to gaz ignore

* use proper form

* edit imports

* wrap block

* revert scripts

* revert go mod
2021-06-02 18:49:52 -05:00

17 lines
521 B
Go

package slashutil
import ethpb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
// IsSurround checks if an attestation, a, is surrounding
// another one, b, based on the eth2 slashing conditions specified
// by @protolambda https://github.com/protolambda/eth2-surround#definition.
//
// s: source
// t: target
//
// a surrounds b if: s_a < s_b and t_b < t_a
//
func IsSurround(a, b *ethpb.IndexedAttestation) bool {
return a.Data.Source.Epoch < b.Data.Source.Epoch && b.Data.Target.Epoch < a.Data.Target.Epoch
}