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import smartpy as sp
class Memoir(sp.Contract):
def __init__(self):
self.init(
records = sp.big_map(
tkey = sp.TInt,
tvalue = sp.TString
),
)
@sp.entry_point
def add_record(self, params):
self.data.records[params.id] = params.record
# Verify that the ID doesn't exist.
# sp.verify(
# self.data.records.contains(params.id) == False,
# message = "Record exists"
# )
@sp.entry_point
def update_record(self, params):
self.data.records = sp.update_map(
self.data.records,
params.id,
sp.some(params.record)
)
@sp.entry_point
def delete_record(self, params):
del self.data.records[params.id]
@sp.add_test(name="MyMedMemoir")
def test():
scenario = sp.test_scenario()
scenario.h1("MyMedMemoir")
c1 = Memoir()
scenario += c1
# Try adding records.
scenario += c1.add_record(id = 0, record = '{record #0}')
scenario += c1.add_record(id = 1, record = '{record #1}')
scenario += c1.add_record(id = 2, record = '{record #2}')
# Updating records.
scenario += c1.update_record(id = 1, record = '{record #1 - updated}')
# Deleting records.
scenario += c1.delete_record(id = 2)
# Trying to add over existing record. Should Fail.
# scenario += c1.add_record(
# id = 2, record = '{record #2 - fail}'
# ).run(valid = False)
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