def test_dynamic_scratchvar_type():
myvar_default = pt.DynamicScratchVar()
assert myvar_default.storage_type() == pt.TealType.anytype
assert myvar_default.store(pt.Bytes("value")).type_of() == pt.TealType.none
assert myvar_default.load().type_of() == pt.TealType.anytype
with pytest.raises(pt.TealTypeError):
myvar_default.store(pt.Pop(pt.Int(1)))
myvar_int = pt.DynamicScratchVar(pt.TealType.uint64)
assert myvar_int.storage_type() == pt.TealType.uint64
assert myvar_int.store(pt.Int(1)).type_of() == pt.TealType.none
assert myvar_int.load().type_of() == pt.TealType.uint64
with pytest.raises(pt.TealTypeError):
myvar_int.store(pt.Bytes("value"))
with pytest.raises(pt.TealTypeError):
myvar_int.store(pt.Pop(pt.Int(1)))
myvar_bytes = pt.DynamicScratchVar(pt.TealType.bytes)
assert myvar_bytes.storage_type() == pt.TealType.bytes
assert myvar_bytes.store(pt.Bytes("value")).type_of() == pt.TealType.none
assert myvar_bytes.load().type_of() == pt.TealType.bytes
with pytest.raises(pt.TealTypeError):
myvar_bytes.store(pt.Int(0))
with pytest.raises(pt.TealTypeError):
myvar_bytes.store(pt.Pop(pt.Int(1)))
def test_dynamic_scratchvar_cannot_set_index_to_another_dynamic():
myvar = pt.DynamicScratchVar()
myvar.load()
regvar = pt.ScratchVar()
myvar.set_index(regvar)
dynvar = pt.DynamicScratchVar()
with pytest.raises(pt.TealInputError):
myvar.set_index(dynvar)
def test_dynamic_scratchvar_index():
myvar = pt.DynamicScratchVar()
expr = myvar.index()
expected = pt.TealSimpleBlock([pt.TealOp(expr, pt.Op.load, myvar.slot)])
actual, _ = expr.__teal__(options)
actual.addIncoming()
actual = pt.TealBlock.NormalizeBlocks(actual)
assert actual == expected
def test_dynamic_scratchvar_load():
myvar = pt.DynamicScratchVar()
expr = myvar.load()
expected = pt.TealSimpleBlock(
[
pt.TealOp(pt.ScratchLoad(myvar.slot), pt.Op.load, myvar.slot),
pt.TealOp(expr, pt.Op.loads),
]
)
actual, _ = expr.__teal__(options)
actual.addIncoming()
actual = pt.TealBlock.NormalizeBlocks(actual)
with pt.TealComponent.Context.ignoreExprEquality():
assert actual == expected
def test_dynamic_scratchvar_store():
myvar = pt.DynamicScratchVar(pt.TealType.bytes)
arg = pt.Bytes("value")
expr = myvar.store(arg)
expected = pt.TealSimpleBlock(
[
pt.TealOp(pt.ScratchLoad(myvar.slot), pt.Op.load, myvar.slot),
pt.TealOp(arg, pt.Op.byte, '"value"'),
pt.TealOp(expr, pt.Op.stores),
]
)
actual, _ = expr.__teal__(options)
actual.addIncoming()
actual = pt.TealBlock.NormalizeBlocks(actual)
with pt.TealComponent.Context.ignoreExprEquality():
assert actual == expected
def wilt_the_stilt():
player_score = pt.DynamicScratchVar(pt.TealType.uint64)
wilt = pt.ScratchVar(pt.TealType.uint64, 129)
kobe = pt.ScratchVar(pt.TealType.uint64)
dt = pt.ScratchVar(pt.TealType.uint64, 131)
return pt.Seq(
player_score.set_index(wilt),
player_score.store(pt.Int(100)),
player_score.set_index(kobe),
player_score.store(pt.Int(81)),
player_score.set_index(dt),
player_score.store(pt.Int(73)),
pt.Assert(player_score.load() == pt.Int(73)),
pt.Assert(player_score.index() == pt.Int(131)),
player_score.set_index(wilt),
pt.Assert(player_score.load() == pt.Int(100)),
pt.Assert(player_score.index() == pt.Int(129)),
pt.Int(100),
)
def test_optimize_dynamic_var():
myvar = pt.DynamicScratchVar()
regvar = pt.ScratchVar()
program = pt.Seq(
regvar.store(pt.Int(1)),
myvar.set_index(regvar),
regvar.store(pt.Int(2)),
pt.Pop(regvar.load()),
pt.Approve(),
)
optimize_options = OptimizeOptions()
# unoptimized
expected = """#pragma version 4
int 1
store 1
int 1
store 0
int 2
store 1
load 1
pop
int 1
return""".strip()
actual = pt.compileTeal(program,
version=4,
mode=pt.Mode.Application,
optimize=optimize_options)
assert actual == expected
# optimization should not change the code because the candidate slot
# is used by the dynamic slot variable.
optimize_options = OptimizeOptions(scratch_slots=True)
actual = pt.compileTeal(program,
version=4,
mode=pt.Mode.Application,
optimize=optimize_options)
assert actual == expected
def empty_scratches():
cursor = pt.DynamicScratchVar()
i1 = pt.ScratchVar(pt.TealType.uint64, 0)
i2 = pt.ScratchVar(pt.TealType.uint64, 2)
i3 = pt.ScratchVar(pt.TealType.uint64, 4)
s1 = pt.ScratchVar(pt.TealType.bytes, 1)
s2 = pt.ScratchVar(pt.TealType.bytes, 3)
s3 = pt.ScratchVar(pt.TealType.bytes, 5)
return pt.Seq(
cursor.set_index(i1),
cursor.store(pt.Int(0)),
cursor.set_index(s1),
cursor.store(pt.Bytes("")),
cursor.set_index(i2),
cursor.store(pt.Int(0)),
cursor.set_index(s2),
cursor.store(pt.Bytes("")),
cursor.set_index(i3),
cursor.store(pt.Int(0)),
cursor.set_index(s3),
cursor.store(pt.Bytes("")),
pt.Int(42),
)
def should_it_work() -> pt.Expr:
xs = [
pt.ScratchVar(pt.TealType.uint64),
pt.ScratchVar(pt.TealType.uint64),
]
def store_initial_values():
return [s.store(pt.Int(i + 1)) for i, s in enumerate(xs)]
d = pt.DynamicScratchVar(pt.TealType.uint64)
@pt.Subroutine(pt.TealType.none)
def retrieve_and_increment(s: pt.ScratchVar):
return pt.Seq(d.set_index(s), d.store(d.load() + pt.Int(1)))
def asserts():
return [pt.Assert(x.load() == pt.Int(i + 2)) for i, x in enumerate(xs)]
return pt.Seq(
pt.Seq(store_initial_values()),
pt.Seq([retrieve_and_increment(x) for x in xs]),
pt.Seq(asserts()),
pt.Int(1),
)
def lots_o_vars():
z = pt.Int(0)
one = pt.ScratchVar()
two = pt.ScratchVar()
three = pt.ScratchVar()
four = pt.ScratchVar()
five = pt.Bytes("five")
six = pt.Bytes("six")
seven = pt.Bytes("seven")
eight = pt.Bytes("eight")
nine = pt.Bytes("nine")
ten = pt.Bytes("ten")
eleven = pt.Bytes("eleven")
twelve = pt.Bytes("twelve")
int_cursor = pt.DynamicScratchVar(pt.TealType.uint64)
bytes_cursor = pt.DynamicScratchVar(pt.TealType.bytes)
thirteen = pt.ScratchVar(pt.TealType.uint64, 13)
fourteen = pt.ScratchVar(pt.TealType.bytes, 14)
fifteen = pt.ScratchVar(pt.TealType.uint64)
sixteen = pt.ScratchVar(pt.TealType.bytes)
leet = pt.Int(1337)
ngl = pt.Bytes("NGL: ")
return (pt.If(
pt.Or(pt.App.id() == pt.Int(0),
pt.Txn.application_args.length() == pt.Int(0))).Then(
pt.Int(1)).Else(
pt.Seq(
one.store(pt.Int(1)),
two.store(pt.Bytes("two")),
three.store(pt.Int(3)),
four.store(pt.Bytes("four")),
pt.App.localPut(z, five, pt.Int(5)),
pt.App.localPut(z, six, six),
pt.App.localPut(z, seven, pt.Int(7)),
pt.App.localPut(z, eight, eight),
pt.App.globalPut(nine, pt.Int(9)),
pt.App.globalPut(ten, ten),
pt.App.globalPut(eleven, pt.Int(11)),
pt.App.globalPut(twelve, twelve),
one.store(one.load() + leet),
two.store(pt.Concat(ngl, two.load())),
three.store(three.load() + leet),
four.store(pt.Concat(ngl, four.load())),
pt.App.localPut(z, five,
leet + pt.App.localGet(z, five)),
pt.App.localPut(
z, six, pt.Concat(ngl, pt.App.localGet(z, six))),
pt.App.localPut(z, seven, pt.App.localGet(z, seven)),
pt.App.localPut(
z, eight,
pt.Concat(ngl, pt.App.localGet(z, eight))),
pt.App.globalPut(nine,
leet + pt.App.globalGet(nine)),
pt.App.globalPut(
ten, pt.Concat(ngl, pt.App.globalGet(ten))),
pt.App.globalPut(eleven,
leet + pt.App.globalGet(eleven)),
pt.App.globalPut(
twelve, pt.Concat(ngl,
pt.App.globalGet(twelve))),
thirteen.store(pt.Btoi(pt.Txn.application_args[0])),
fourteen.store(pt.Txn.application_args[1]),
fifteen.store(pt.Btoi(pt.Txn.application_args[2])),
sixteen.store(pt.Txn.application_args[3]),
pt.Pop(one.load()),
pt.Pop(two.load()),
pt.Pop(three.load()),
pt.Pop(four.load()),
pt.Pop(pt.App.localGet(z, five)),
pt.Pop(pt.App.localGet(z, six)),
pt.Pop(pt.App.localGet(z, seven)),
pt.Pop(pt.App.localGet(z, eight)),
pt.Pop(pt.App.globalGet(nine)),
pt.Pop(pt.App.globalGet(ten)),
pt.Pop(pt.App.globalGet(eleven)),
pt.Pop(pt.App.globalGet(twelve)),
int_cursor.set_index(thirteen),
pt.Log(pt.Itob(int_cursor.load())),
bytes_cursor.set_index(fourteen),
pt.Log(bytes_cursor.load()),
int_cursor.set_index(fifteen),
pt.Log(pt.Itob(int_cursor.load())),
bytes_cursor.set_index(sixteen),
pt.Log(bytes_cursor.load()),
leet,
)))