Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets

2026-09-24 13:22:23 +07:00
commit 642cc11a9f
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+from sympy.core.singleton import S
+from sympy.core.sympify import sympify
+from sympy.functions.elementary.miscellaneous import Min, Max
+from sympy.sets.sets import (EmptySet, FiniteSet, Intersection,
+    Interval, ProductSet, Set, Union, UniversalSet)
+from sympy.sets.fancysets import (ComplexRegion, Naturals, Naturals0,
+    Integers, Rationals, Reals)
+from sympy.multipledispatch import Dispatcher
+
+
+union_sets = Dispatcher('union_sets')
+
+
+@union_sets.register(Naturals0, Naturals)
+def _(a, b):
+    return a
+
+@union_sets.register(Rationals, Naturals)
+def _(a, b):
+    return a
+
+@union_sets.register(Rationals, Naturals0)
+def _(a, b):
+    return a
+
+@union_sets.register(Reals, Naturals)
+def _(a, b):
+    return a
+
+@union_sets.register(Reals, Naturals0)
+def _(a, b):
+    return a
+
+@union_sets.register(Reals, Rationals)
+def _(a, b):
+    return a
+
+@union_sets.register(Integers, Set)
+def _(a, b):
+    intersect = Intersection(a, b)
+    if intersect == a:
+        return b
+    elif intersect == b:
+        return a
+
+@union_sets.register(ComplexRegion, Set)
+def _(a, b):
+    if b.is_subset(S.Reals):
+        # treat a subset of reals as a complex region
+        b = ComplexRegion.from_real(b)
+
+    if b.is_ComplexRegion:
+        # a in rectangular form
+        if (not a.polar) and (not b.polar):
+            return ComplexRegion(Union(a.sets, b.sets))
+        # a in polar form
+        elif a.polar and b.polar:
+            return ComplexRegion(Union(a.sets, b.sets), polar=True)
+    return None
+
+@union_sets.register(EmptySet, Set)
+def _(a, b):
+    return b
+
+
+@union_sets.register(UniversalSet, Set)
+def _(a, b):
+    return a
+
+@union_sets.register(ProductSet, ProductSet)
+def _(a, b):
+    if b.is_subset(a):
+        return a
+    if len(b.sets) != len(a.sets):
+        return None
+    if len(a.sets) == 2:
+        a1, a2 = a.sets
+        b1, b2 = b.sets
+        if a1 == b1:
+            return a1 * Union(a2, b2)
+        if a2 == b2:
+            return Union(a1, b1) * a2
+    return None
+
+@union_sets.register(ProductSet, Set)
+def _(a, b):
+    if b.is_subset(a):
+        return a
+    return None
+
+@union_sets.register(Interval, Interval)
+def _(a, b):
+    if a._is_comparable(b):
+        # Non-overlapping intervals
+        end = Min(a.end, b.end)
+        start = Max(a.start, b.start)
+        if (end < start or
+           (end == start and (end not in a and end not in b))):
+            return None
+        else:
+            start = Min(a.start, b.start)
+            end = Max(a.end, b.end)
+
+            left_open = ((a.start != start or a.left_open) and
+                         (b.start != start or b.left_open))
+            right_open = ((a.end != end or a.right_open) and
+                          (b.end != end or b.right_open))
+            return Interval(start, end, left_open, right_open)
+
+@union_sets.register(Interval, UniversalSet)
+def _(a, b):
+    return S.UniversalSet
+
+@union_sets.register(Interval, Set)
+def _(a, b):
+    # If I have open end points and these endpoints are contained in b
+    # But only in case, when endpoints are finite. Because
+    # interval does not contain oo or -oo.
+    open_left_in_b_and_finite = (a.left_open and
+                                     sympify(b.contains(a.start)) is S.true and
+                                     a.start.is_finite)
+    open_right_in_b_and_finite = (a.right_open and
+                                      sympify(b.contains(a.end)) is S.true and
+                                      a.end.is_finite)
+    if open_left_in_b_and_finite or open_right_in_b_and_finite:
+        # Fill in my end points and return
+        open_left = a.left_open and a.start not in b
+        open_right = a.right_open and a.end not in b
+        new_a = Interval(a.start, a.end, open_left, open_right)
+        return {new_a, b}
+    return None
+
+@union_sets.register(FiniteSet, FiniteSet)
+def _(a, b):
+    return FiniteSet(*(a._elements | b._elements))
+
+@union_sets.register(FiniteSet, Set)
+def _(a, b):
+    # If `b` set contains one of my elements, remove it from `a`
+    if any(b.contains(x) == True for x in a):
+        return {
+            FiniteSet(*[x for x in a if b.contains(x) != True]), b}
+    return None
+
+@union_sets.register(Set, Set)
+def _(a, b):
+    return None