Getting the POSIX-Time of a slot for the Playground
import Ledger.Time
import Ledger.TimeSlot
import Data.Default
slotToBeginPOSIXTime def 10
-- 1596059101000
slotToBeginPOSIXTime def 20
-- 1596059111000
Generating the pubKeyHash for a demo wallet in the Playground
import Wallet.Emulator
mockWalletPaymentPubKeyHash $ knownWallet 1
-- a2c20c77887ace1cd986193e4e75babd8993cfd56995cd5cfce609c2
mockWalletPaymentPubKeyHash $ knownWallet 2
-- 80a4f45b56b88d1139da23bc4c3c75ec6d32943c087f250b86193ca7
mockWalletPaymentPubKeyHash $ knownWallet 3
-- 2e0ad60c3207248cecd47dbde3d752e0aad141d6b8f81ac2c6eca27c