Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
ghc-trifecta
ghc-trifecta(x86-64)
libHStrifecta-2-5U1pVKjuMjO6UzBvmk9mL6-ghc8.6.3.so()(64bit)

Requires :

libHSStateVar-1.1.1.1-B0ospHKg13JCxw6f0gS05h-ghc8.6.3.so()(64bit)
libHSadjunctions-4.4-5CNhcjXX96m6U0yRgbsua8-ghc8.6.3.so()(64bit)
libHSansi-terminal-0.8.2-LZ54B5ErqCiIlNwOVvnj65-ghc8.6.3.so()(64bit)
libHSansi-wl-pprint-0.6.8.2-9mA7ckPlKRf5aGqviJvBkZ-ghc8.6.3.so()(64bit)
libHSarray-0.5.3.0-ghc8.6.3.so()(64bit)
libHSattoparsec-0.13.2.2-AIDYee9KPGPHGyIUYFLj8F-ghc8.6.3.so()(64bit)
libHSbase-4.12.0.0-ghc8.6.3.so()(64bit)
libHSbase-orphans-0.8-9c3aMxqS7QbGl4Ot5i8lwK-ghc8.6.3.so()(64bit)
libHSbifunctors-5.5.3-B8SgcEHKQh0DjZkOKfP6fo-ghc8.6.3.so()(64bit)
libHSbinary-0.8.6.0-ghc8.6.3.so()(64bit)
libHSblaze-builder-0.4.1.0-KrFxFv3kgua3BTNMsMBadC-ghc8.6.3.so()(64bit)
libHSblaze-html-0.9.1.1-E0enfQtU1ZTDNQ8G8pIpJp-ghc8.6.3.so()(64bit)
libHSblaze-markup-0.8.2.2-IwLwNWRUxfsEuYbkQ0Gv5Q-ghc8.6.3.so()(64bit)
libHSbytestring-0.10.8.2-ghc8.6.3.so()(64bit)
libHScall-stack-0.1.0-J1eWgTNOnM4IGVyeW0v2YZ-ghc8.6.3.so()(64bit)
libHScharset-0.3.7.1-7x2kYCq0DEJLDdkePvum8u-ghc8.6.3.so()(64bit)
libHScolour-2.3.4-BYzTQyKoQ9LK29pbkBo2SY-ghc8.6.3.so()(64bit)
libHScomonad-5.0.4-4SwhkNnNOQxAjtcsZzTU0r-ghc8.6.3.so()(64bit)
libHScontainers-0.6.0.1-ghc8.6.3.so()(64bit)
libHScontravariant-1.5-FpGwhn5fmC2IfBjNJ4PaUQ-ghc8.6.3.so()(64bit)
libHSdeepseq-1.4.4.0-ghc8.6.3.so()(64bit)
libHSdistributive-0.6-92l65SKyutnKeo53jXpu6I-ghc8.6.3.so()(64bit)
libHSexceptions-0.10.0-BnlDnmyiBJAJpiMydyJ3Ov-ghc8.6.3.so()(64bit)
libHSfilepath-1.4.2.1-ghc8.6.3.so()(64bit)
libHSfingertree-0.1.4.2-3y9RCeoabqFEsIFOGn6xXZ-ghc8.6.3.so()(64bit)
libHSfree-5.1-7FxaeOQWrxDFeBF0pUCSt-ghc8.6.3.so()(64bit)
libHSghc-boot-th-8.6.3-ghc8.6.3.so()(64bit)
libHSghc-prim-0.5.3-ghc8.6.3.so()(64bit)
libHShashable-1.2.7.0-CWI8VZuQTAYWIQTQQtqCV-ghc8.6.3.so()(64bit)
libHSinteger-gmp-1.0.2.0-ghc8.6.3.so()(64bit)
libHSinteger-logarithms-1.0.2.2-IT1M1moCo0mIobW8LfdrSC-ghc8.6.3.so()(64bit)
libHSinvariant-0.5.1-Bz4pZisokn05YuV4Eee85O-ghc8.6.3.so()(64bit)
libHSkan-extensions-5.2-9VViWfvnuFcAZqRyXaOXXs-ghc8.6.3.so()(64bit)
libHSlens-4.17-AJ6YwSq5I8t4jqjEOnrgzK-ghc8.6.3.so()(64bit)
libHSmtl-2.2.2-ghc8.6.3.so()(64bit)
libHSparallel-3.2.2.0-EGl5SOk48TWHAD161C93aQ-ghc8.6.3.so()(64bit)
libHSparsec-3.1.13.0-ghc8.6.3.so()(64bit)
libHSparsers-0.12.9-7C7gAABzaUfC6CYYETyub6-ghc8.6.3.so()(64bit)
libHSpretty-1.1.3.6-ghc8.6.3.so()(64bit)
libHSprimitive-0.6.4.0-1mvPxVOk6Q6KOkWCZxqESf-ghc8.6.3.so()(64bit)
libHSprofunctors-5.3-GSNtSt5JKYO3RC6lOIdL6E-ghc8.6.3.so()(64bit)
libHSreducers-3.12.3-EWfaWjrw3xK9h2tgSxllap-ghc8.6.3.so()(64bit)
libHSreflection-2.1.4-E9VXTbXoqHZ5rulgGPZOrF-ghc8.6.3.so()(64bit)
libHSscientific-0.3.6.2-KIIlODNgUeO9twnHef2PBn-ghc8.6.3.so()(64bit)
libHSsemigroupoids-5.3.2-JvH6SfU9frjG3VnftKnPuC-ghc8.6.3.so()(64bit)
libHSsemigroups-0.18.5-6T2lH5F6zyQIdwR3JYKMO3-ghc8.6.3.so()(64bit)
libHSstm-2.5.0.0-ghc8.6.3.so()(64bit)
libHStagged-0.8.6-CAGIOj1cv5J42b7wUKOeE3-ghc8.6.3.so()(64bit)
libHStemplate-haskell-2.14.0.0-ghc8.6.3.so()(64bit)
libHStext-1.2.3.1-ghc8.6.3.so()(64bit)
libHSth-abstraction-0.2.10.0-IupKYUmBxoGBM1HXci6nJH-ghc8.6.3.so()(64bit)
libHStransformers-0.5.5.0-ghc8.6.3.so()(64bit)
libHStransformers-base-0.4.5.2-BuzBEQaGGcw7mZvdTyq8Ap-ghc8.6.3.so()(64bit)
libHStransformers-compat-0.6.2-JV1ddSnlm3mL2xw4J4K8Kw-ghc8.6.3.so()(64bit)
libHSunordered-containers-0.2.9.0-BRWkoSTuML1cQdpep6Oin-ghc8.6.3.so()(64bit)
libHSutf8-string-1.0.1.1-Geq8jdOv4Q3LkcQoEOWDVv-ghc8.6.3.so()(64bit)
libHSvector-0.12.0.2-5G85DK6NPIx1LphnqJy7eO-ghc8.6.3.so()(64bit)
libHSvoid-0.7.2-25eAk552UtQA9vusJY0zCu-ghc8.6.3.so()(64bit)
libatomic.so.1()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libgmp.so.10()(64bit)
libm.so.6()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1

Content of RPM :
/usr/lib64/ghc-8.6.3/trifecta-2-5U1pVKjuMjO6UzBvmk9mL6
/usr/lib64/ghc-8.6.3/trifecta-2-5U1pVKjuMjO6UzBvmk9mL6/libHStrifecta-2-5U1pVKjuMjO6UzBvmk9mL6-ghc8.6.3.so
/usr/share/licenses/ghc-trifecta
/usr/share/licenses/ghc-trifecta/LICENSE