Ahmed bin 'Amr bin al-Sarh أحمد بن عمرو بن السرح أبو الطاهر · Commercial Transactions (Kitab Al-Buyu)

On the authority of his father: I heard the Messenger of Allah (ﷺ) say in the Farewell Pilgrimage: "Lo, all claims to usury of the pre-Islamic period have been abolished. You shall have your capital sums, deal not unjustly and you shall not be dealt with unjustly. Lo, all claims for blood-vengeance belonging to the pre-Islamic period have been abolished. The first of those murdered among us whose blood-vengeance I remit is al-Harith ibn AbdulMuttalib, who suckled among Banu Layth…

The Prophet (ﷺ) forbade the type of sale which involves risk (or uncertainty) and a transaction determined by throwing stones.