CanPerformEpochUpdate checks if embedded contract can perform an epoch update, used most commonly to give rewards - returns util.EpochUpdateNotDue if not due.

CanPerformUpdate checks if embedded contract can be updated - returns util.ErrUpdateTooRecent if not due.

CheckNetworkAndPairExist for unwrapping we return the associated zts for wrapping we return the associated tokenAddress.

Neither the DenyProxyUnlock nor the AllowProxyUnlock methods delete the HtlcProxyUnlockInfo in storage This means there are really 3 states: Default, ExplicitDeny, ExplicitAllow And once an address has explicitly denied/allowed proxy unlock, it can no longer go back to using the default This is to ensure that if we ever change the default to deny, addresses that have called the Allow method will still work as expected.

GetQsrCostForNextPillar returns PillarQsrStakeBaseAmount * PillarQsrStakeIncreaseAmount * len(definition.NormalPillarType).

GetSentinelRevokeStatus returns true, timeWhileCanRevoke if sentinel *can* be revoked GetSentinelRevokeStatus returns false, timeUntilCanRevoke if sentinel *can't* be revoked.

PillarGetRevokeStatus returns status and cooldown.

SignLegacyPillarMessage is used for in contract tests.

SignRetrieveAssetsMessage is used for in contract tests.

CollectRewardMethod is a common embedded.method used to issue tokens to users based on RewardDeposit object.