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

Provides :
ghc-serversession-frontend-wai
ghc-serversession-frontend-wai(x86-64)
libHSserversession-frontend-wai-1.0-18DxSf0jml66nldCgEDrA1-ghc8.0.2.so()(64bit)

Requires :

libHSStateVar-1.1.0.4-5dJbnTVECtEAhfJXPZKdbO-ghc8.0.2.so()(64bit)
libHSaeson-1.1.2.0-AGwNF4lDcvEL5HW2f7ztIV-ghc8.0.2.so()(64bit)
libHSarray-0.5.1.1-ghc8.0.2.so()(64bit)
libHSattoparsec-0.13.1.0-FfnvSlEhYl6E00jFTwLP4F-ghc8.0.2.so()(64bit)
libHSbase-4.9.1.0-ghc8.0.2.so()(64bit)
libHSbase-compat-0.9.3-KeJp8zYMpcS9WibvTcxU22-ghc8.0.2.so()(64bit)
libHSbase64-bytestring-1.0.0.1-4O9TExPPz6eI82Yj7L4SIj-ghc8.0.2.so()(64bit)
libHSbinary-0.8.3.0-ghc8.0.2.so()(64bit)
libHSblaze-builder-0.4.0.2-FRwZEt0uqtxKWrLYdFtkGs-ghc8.0.2.so()(64bit)
libHSbytestring-0.10.8.1-ghc8.0.2.so()(64bit)
libHScase-insensitive-1.2.0.10-HOfpaHnAjpYL0MaSMRouLr-ghc8.0.2.so()(64bit)
libHScontainers-0.5.7.1-ghc8.0.2.so()(64bit)
libHScookie-0.4.2.1-KFT1iHDEs8k4PpScwj8zBK-ghc8.0.2.so()(64bit)
libHSdata-default-0.7.1.1-Atv1ZD6t1rI1MrH9qSGaQC-ghc8.0.2.so()(64bit)
libHSdata-default-class-0.1.2.0-GsXqKN6o1X9jr0fF5qCVD-ghc8.0.2.so()(64bit)
libHSdata-default-instances-containers-0.0.1-bob6IQGdJq92c061H46zK-ghc8.0.2.so()(64bit)
libHSdata-default-instances-dlist-0.0.1-LBT1sjxIvyd63eC0aI9yNO-ghc8.0.2.so()(64bit)
libHSdata-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l-ghc8.0.2.so()(64bit)
libHSdeepseq-1.4.2.0-ghc8.0.2.so()(64bit)
libHSdlist-0.8.0.3-BHFBNaw8k6n9WiaUNzoXpk-ghc8.0.2.so()(64bit)
libHSentropy-0.3.8-14HIw40nRRY968j6AdY1H4-ghc8.0.2.so()(64bit)
libHSghc-boot-th-8.0.2-ghc8.0.2.so()(64bit)
libHSghc-prim-0.5.0.0-ghc8.0.2.so()(64bit)
libHShashable-1.2.6.1-ArdkmQrtdsLPQA60ZQw2E-ghc8.0.2.so()(64bit)
libHShttp-types-0.9.1-8VVLqkcrtXBAcKyhm7x5Gy-ghc8.0.2.so()(64bit)
libHSinteger-gmp-1.0.0.1-ghc8.0.2.so()(64bit)
libHSinteger-logarithms-1.0.2-92lMiWV9mmYAwfMEYgfQ0D-ghc8.0.2.so()(64bit)
libHSnetwork-2.6.3.2-IsLM4TXcLoRI0fmmBYVyQz-ghc8.0.2.so()(64bit)
libHSnonce-1.0.4-DwpJqupeKcWG4cmmUMPZ8-ghc8.0.2.so()(64bit)
libHSold-locale-1.0.0.7-KGBP1BSKxH5GCm0LnZP04j-ghc8.0.2.so()(64bit)
libHSpath-pieces-0.2.1-AUAGyCRLG4x53OqxeybILp-ghc8.0.2.so()(64bit)
libHSpretty-1.1.3.3-ghc8.0.2.so()(64bit)
libHSprimitive-0.6.2.0-4578caNkWQ54Gt1mxLF2Yh-ghc8.0.2.so()(64bit)
libHSrandom-1.1-9tceXaeYIMZ4JrKq20Egog-ghc8.0.2.so()(64bit)
libHSscientific-0.3.5.1-29PQkFlSg2MLG0o5mYHr65-ghc8.0.2.so()(64bit)
libHSserversession-1.0.1-GjuS1xHfryTDCOLxXWCQCY-ghc8.0.2.so()(64bit)
libHSstm-2.4.4.1-JQn4hNPyYjP5m9AcbI88Ve-ghc8.0.2.so()(64bit)
libHStagged-0.8.5-1mTloBSoUxv8dqUr8XBGBt-ghc8.0.2.so()(64bit)
libHStemplate-haskell-2.11.1.0-ghc8.0.2.so()(64bit)
libHStext-1.2.2.2-1cn50juu89QSL9QkUVcRY-ghc8.0.2.so()(64bit)
libHStime-1.6.0.1-ghc8.0.2.so()(64bit)
libHStime-locale-compat-0.1.1.3-3NWht2bntyvDGDNXWNkT1S-ghc8.0.2.so()(64bit)
libHStransformers-0.5.2.0-ghc8.0.2.so()(64bit)
libHStransformers-compat-0.5.1.4-IuFogs8HAVUJBWVNMhtssu-ghc8.0.2.so()(64bit)
libHSunix-2.7.2.1-ghc8.0.2.so()(64bit)
libHSunordered-containers-0.2.8.0-EsriWmISHwMG6fvrGnOReO-ghc8.0.2.so()(64bit)
libHSuuid-types-1.0.3-9FjiI2er8LGH2tkXMoxuaV-ghc8.0.2.so()(64bit)
libHSvault-0.3.0.7-7DyNlqMYSJE7995AXnPtr3-ghc8.0.2.so()(64bit)
libHSvector-0.12.0.1-692PQMDMB6pIQ1uGwefDcQ-ghc8.0.2.so()(64bit)
libHSwai-3.2.1.1-GDEBZXU9uzaL1u9ux5hY7J-ghc8.0.2.so()(64bit)
libHSwai-session-0.3.2-9p4LYhVOdoKDfS9MoYijA6-ghc8.0.2.so()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libdl.so.2()(64bit)
libgmp.so.10()(64bit)
libpthread.so.0()(64bit)
librt.so.1()(64bit)
libutil.so.1()(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-8.0.2/serversession-frontend-wai-1.0-18DxSf0jml66nldCgEDrA1
/usr/lib64/ghc-8.0.2/serversession-frontend-wai-1.0-18DxSf0jml66nldCgEDrA1/libHSserversession-frontend-wai-1.0-18DxSf0jml66nldCgEDrA1-ghc8.0.2.so
/usr/share/doc/packages/ghc-serversession-frontend-wai
/usr/share/doc/packages/ghc-serversession-frontend-wai/LICENSE