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

Provides :
ghc-wai-websockets
ghc-wai-websockets(x86-64)
libHSwai-websockets-3.0.1.2-JZ1YOHqBG4r3cRN2FGNo3R-ghc8.4.3.so()(64bit)

Requires :

ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libHSSHA-1.6.4.4-J97i4k52krALB5u9VxmQ73-ghc8.4.3.so()(64bit)
libHSarray-0.5.2.0-ghc8.4.3.so()(64bit)
libHSasync-2.2.1-1bsiEsDyYvD1Jx6uPPJyV0-ghc8.4.3.so()(64bit)
libHSattoparsec-0.13.2.2-LSyEfPWldu27rWubnW98cS-ghc8.4.3.so()(64bit)
libHSbase-4.11.1.0-ghc8.4.3.so()(64bit)
libHSbase64-bytestring-1.0.0.1-4OCIe2BZn8jKI191JIXI37-ghc8.4.3.so()(64bit)
libHSbinary-0.8.5.1-ghc8.4.3.so()(64bit)
libHSbytestring-0.10.8.2-ghc8.4.3.so()(64bit)
libHScase-insensitive-1.2.0.11-LO6zJz9aRiEEtPUvQyaZDw-ghc8.4.3.so()(64bit)
libHScontainers-0.5.11.0-ghc8.4.3.so()(64bit)
libHSdeepseq-1.4.3.0-ghc8.4.3.so()(64bit)
libHSdirectory-1.3.1.5-ghc8.4.3.so()(64bit)
libHSentropy-0.4.1.1-FmBdJKRG6hQDsYzBhT7c6v-ghc8.4.3.so()(64bit)
libHSfilepath-1.4.2-ghc8.4.3.so()(64bit)
libHSghc-prim-0.5.2.0-ghc8.4.3.so()(64bit)
libHShashable-1.2.7.0-8MkquYouWwiLIw3HmVGSkN-ghc8.4.3.so()(64bit)
libHShttp-types-0.12.1-BKZRa2SYg2x5w71yPJ9a6h-ghc8.4.3.so()(64bit)
libHSinteger-gmp-1.0.2.0-ghc8.4.3.so()(64bit)
libHSinteger-logarithms-1.0.2.1-KTtq4CBpjpvEUZ9qRz5Dnw-ghc8.4.3.so()(64bit)
libHSnetwork-2.6.3.6-2g6VId0Xlc85XRtUcfQj0T-ghc8.4.3.so()(64bit)
libHSprimitive-0.6.4.0-39Pwmm1zkQX6bM7xFUT3Jc-ghc8.4.3.so()(64bit)
libHSprocess-1.6.3.0-ghc8.4.3.so()(64bit)
libHSrandom-1.1-9LLJAJa4iQFLJiLXBOBXBV-ghc8.4.3.so()(64bit)
libHSscientific-0.3.6.2-2h5PMUpgu6m7FAikNGNQhB-ghc8.4.3.so()(64bit)
libHSsemigroups-0.18.5-E4FVMc5VZAG98u64romz5-ghc8.4.3.so()(64bit)
libHSstm-2.4.5.0-ghc8.4.3.so()(64bit)
libHSstreaming-commons-0.2.1.0-5P6MCU1YyWyFAttn5zFoQE-ghc8.4.3.so()(64bit)
libHStext-1.2.3.0-ghc8.4.3.so()(64bit)
libHStime-1.8.0.2-ghc8.4.3.so()(64bit)
libHStransformers-0.5.5.0-ghc8.4.3.so()(64bit)
libHSunix-2.7.2.2-ghc8.4.3.so()(64bit)
libHSunordered-containers-0.2.9.0-IkfpzvG0LzrHAbTzfMidvY-ghc8.4.3.so()(64bit)
libHSvault-0.3.1.1-88hiIVZMqPqIbPQOEMyjqo-ghc8.4.3.so()(64bit)
libHSwai-3.2.1.2-4BYcZjD1a4nGr9F186zVuK-ghc8.4.3.so()(64bit)
libHSwebsockets-0.12.5.1-6FMxoKTOeRlLC21uOC5Hhs-ghc8.4.3.so()(64bit)
libHSzlib-0.6.2-FP80mWgJNoyCiVcPtw6kKj-ghc8.4.3.so()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.10)(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libc.so.6(GLIBC_2.8)(64bit)
libdl.so.2()(64bit)
libffi.so.7()(64bit)
libffi.so.7(LIBFFI_BASE_7.0)(64bit)
libgmp.so.10()(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libnuma.so.1()(64bit)
libnuma.so.1(libnuma_1.1)(64bit)
libnuma.so.1(libnuma_1.2)(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.12)(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libpthread.so.0(GLIBC_2.3.2)(64bit)
librt.so.1()(64bit)
librt.so.1(GLIBC_2.2.5)(64bit)
libutil.so.1()(64bit)
libz.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/bin/wai-websockets-example
/usr/lib64/ghc-8.4.3/wai-websockets-3.0.1.2-JZ1YOHqBG4r3cRN2FGNo3R
/usr/lib64/ghc-8.4.3/wai-websockets-3.0.1.2-JZ1YOHqBG4r3cRN2FGNo3R/libHSwai-websockets-3.0.1.2-JZ1YOHqBG4r3cRN2FGNo3R-ghc8.4.3.so
/usr/share/licenses/ghc-wai-websockets
/usr/share/licenses/ghc-wai-websockets/LICENSE