[CSE-84] Don't use unsafePerformEff
[CSE-84] Don't use unsafePerformEff

input-output-hk/cardano-sl-explorer,input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl,input-output-hk/cardano-sl,input-output-hk/pos-haskell-prototype,input-output-hk/pos-haskell-prototype,input-output-hk/cardano-sl-explorer,input-output-hk/cardano-sl-explorer,input-output-hk/cardano-sl,input-output-hk/cardano-sl