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Update contract.py #76

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9 changes: 5 additions & 4 deletions projects/challenge/smart_contracts/counter/contract.py
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Original file line number Diff line number Diff line change
@@ -1,21 +1,22 @@
# pyright: reportMissingModuleSource=false
from algopy import ARC4Contract, LocalState, GlobalState, UInt64, Txn, arc4, Global


class Counter(ARC4Contract):

count: LocalState[UInt64]
counters: GlobalState[UInt64]
def __init__(self) -> None:
self.count = LocalState(UInt64)
self.counters = GlobalState(UInt64(0))

@arc4.baremethod(allow_actions=["OptIn"])
def opt_in(self) -> None:
self.count[Txn.sender] = UInt64(0)
self.counters.value += 1

@arc4.abimethod()
def increment(self) -> arc4.UInt64:
assert Txn.sender.is_opted_in(
Global.current_application_id
), "Sender must opt-in to the contract"
self.count[Txn.sender] += 1
return arc4.UInt64(self.count[Txn.sender])