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Add burn to giftable tokebs

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This commit is contained in:
lash
2023-02-22 10:48:32 +00:00
parent d7fb3f232c
commit 04f9b5868b
7 changed files with 146 additions and 14 deletions
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2
python/giftable_erc20_token/data/GiftableToken.bin
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2
python/giftable_erc20_token/data/GiftableToken.json
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45
python/giftable_erc20_token/factory.py
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@@ -12,6 +12,9 @@ from chainlib.eth.contract import (
ABIContractEncoder,
ABIContractType,
)
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.jsonrpc import JSONRPCRequest
from hexathon import add_0x
# local imports
from giftable_erc20_token.data import data_dir
@@ -107,6 +110,48 @@ class GiftableToken(ERC20):
return tx
def burn(self, contract_address, sender_address, value, tx_format=TxFormat.JSONRPC):
enc = ABIContractEncoder()
enc.method('burn')
enc.typ(ABIContractType.UINT256)
enc.uint256(value)
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 burned(self, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
j = JSONRPCRequest(id_generator)
o = j.template()
o['method'] = 'eth_call'
enc = ABIContractEncoder()
enc.method('burned')
data = add_0x(enc.get())
tx = self.template(sender_address, contract_address)
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
o = j.finalize(o)
return o
def total_minted(self, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
j = JSONRPCRequest(id_generator)
o = j.template()
o['method'] = 'eth_call'
enc = ABIContractEncoder()
enc.method('totalMinted')
data = add_0x(enc.get())
tx = self.template(sender_address, contract_address)
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
o = j.finalize(o)
return o
def bytecode(**kwargs):
return GiftableToken.bytecode(version=kwargs.get('version'))

39
python/tests/test_giftable.py
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@@ -80,5 +80,44 @@ class TestExpire(TestGiftableExpireToken):
self.assertEqual(supply, mint_amount)
def test_burn(self):
mint_amount = self.initial_supply
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.burn(self.address, self.accounts[1], int(mint_amount / 4))
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 0)
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.burn(self.address, self.accounts[0], int(mint_amount / 4))
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.burned(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
burned = c.parse_balance(r)
self.assertEqual(burned, int(mint_amount / 4))
o = c.balance_of(self.address, self.accounts[0], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance(r)
self.assertEqual(balance, mint_amount - burned)
o = c.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance(r)
self.assertEqual(balance, mint_amount - burned)
o = c.total_minted(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance(r)
self.assertEqual(balance, mint_amount)
if __name__ == '__main__':
unittest.main()