fix(cannon): Swap state id when fetching duties (#352)

* feat(cannon): Canonical Beacon Committees

* feat(cannon): Canonical Beacon Committees

* Update deploy/migrations/clickhouse/045_canonical_beacon_committee.up.sql

Co-authored-by: Andrew Davis <1709934+Savid@users.noreply.github.com>
Signed-off-by: Sam Calder-Mason <sam@puritydev.io>

* fix: Update beacon committee fetch call arguments

---------

Signed-off-by: Sam Calder-Mason <sam@puritydev.io>
Co-authored-by: Andrew Davis <1709934+Savid@users.noreply.github.com>

pkg/cannon/ethereum/services/duties.go

@@ -123,7 +123,7 @@ func (m *DutiesService) FetchBeaconCommittee(ctx context.Context, stateID string
 
 	m.log.WithField("epoch", epoch).Debug("Fetching beacon committee")
 
-	committees, err := m.beacon.FetchBeaconCommittees(ctx, xatuethv1.EpochAsString(epoch), nil)
+	committees, err := m.beacon.FetchBeaconCommittees(ctx, xatuethv1.StateIDFinalized, &epoch)
 	if err != nil {
 		m.log.WithError(err).Error("Failed to fetch beacon committees")