sfsr
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1037
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1038
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1039
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1040
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1046
https://gitlab.gnome.org/dewedeth/0x-api-starter-guide-code/-/issues/1048
https://paiza.io/projects/SpVtRywkQpc-DR1huPpZrg