cicnet/erc20-demurrage-token
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Add limited demurrage apply test

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This commit is contained in:
lash 2022-02-28 11:11:45 +00:00
parent 6dc843fb5d
commit 276b346e52
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
2 changed files with 41 additions and 4 deletions
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15
python/erc20_demurrage_token/token.py
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@ -325,8 +325,19 @@ class DemurrageToken(ERC20):
return o return o
def apply_demurrage(self, contract_address, sender_address): def apply_demurrage(self, contract_address, sender_address, limit=0, tx_format=TxFormat.JSONRPC):
return self.transact_noarg('applyDemurrage', contract_address, sender_address) if limit == 0:
return self.transact_noarg('applyDemurrage', contract_address, sender_address)
enc = ABIContractEncoder()
enc.method('applyDemurrageLimited')
enc.typ(ABIContractType.UINT256)
enc.uint256(limit)
data = enc.get()
tx = self.template(sender_address, contract_address, use_nonce=True)
tx = self.set_code(tx, data)
tx = self.finalize(tx, tx_format)
return tx
def change_period(self, contract_address, sender_address): def change_period(self, contract_address, sender_address):

30
python/tests/test_basic.py
View File

@ -54,6 +54,33 @@ class TestBasic(TestDemurrageDefault):
self.assertEqual(balance, 1024) self.assertEqual(balance, 1024)
def test_apply_demurrage_limited(self):
modifier = (10 ** 28)
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
self.assertEqual(modifier, demurrage_amount)
self.backend.time_travel(self.start_time + 120)
(tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0], limit=1)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
modifier_base = 1000000 - self.tax_level
modifier = int(modifier_base * (10 ** 22)) # 38 decimal places minus 6 (1000000)
self.assertEqual(modifier, demurrage_amount)
def test_apply_demurrage(self): def test_apply_demurrage(self):
modifier = (10 ** 28) modifier = (10 ** 28)
@ -93,7 +120,6 @@ class TestBasic(TestDemurrageDefault):
r = self.rpc.do(o) r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r) demurrage_amount = c.parse_demurrage_amount(r)
modifier_base = 1000000 - self.tax_level modifier_base = 1000000 - self.tax_level
logg.debug('modifier base {}'.format(modifier_base))
modifier = int(modifier_base * (10 ** 22)) # 38 decimal places minus 6 (1000000) modifier = int(modifier_base * (10 ** 22)) # 38 decimal places minus 6 (1000000)
self.assertEqual(modifier, demurrage_amount) self.assertEqual(modifier, demurrage_amount)
@ -111,7 +137,7 @@ class TestBasic(TestDemurrageDefault):
modifier = int(modifier_base * (10 ** 12)) modifier = int(modifier_base * (10 ** 12))
rounding_tolerance_nano = 4000000 # 0.000004% precision rounding_tolerance_nano = 4000000 # 0.000004% precision
demurrage_amount_truncate = int(demurrage_amount / (10 ** 16)) # equals 38 decimal places - 14 for the modifier magniture - 2 for percent int calc + 6 for token decimals (originally equalled 12 decimal places) demurrage_amount_truncate = int(demurrage_amount / (10 ** 16)) # equals 38 decimal places - 14 for the modifier magniture - 2 for percent int calc + 6 for token decimals <- TODO verify this calc
self.assertGreaterEqual(modifier, demurrage_amount_truncate - rounding_tolerance_nano) self.assertGreaterEqual(modifier, demurrage_amount_truncate - rounding_tolerance_nano)
self.assertLessEqual(modifier, demurrage_amount_truncate) self.assertLessEqual(modifier, demurrage_amount_truncate)