+ # I have 10 BTC worth of FOO, and I want to sell 9 BTC worth of it
+ # At rate 1 Foo = 0.1 BTC
+ delta = delta_in_base
+ # Action: "buy" "9 BTC" at rate "1/0.1" "FOO" on market
+
+ # FIXME: Need to round up to the correct amount of FOO in case
+ # we want to sell all