commit 2d79c863ce100b4e0666ce5f5497377a4fd46582
parent 4310c043c594c6ad3363e8d5a4523b467e69276e
Author: nolash <dev@holbrook.no>
Date: Sat, 26 Jun 2021 10:30:17 +0200
Improve test coverage
Diffstat:
15 files changed, 279 insertions(+), 147 deletions(-)
diff --git a/python/CHANGELOG b/python/CHANGELOG
@@ -1,3 +1,7 @@
+* 0.0.10-pending
+ - Upgrade chainlib dependency, providing customizable jsonrpc id
+* 0.0.9-unreleased
+* 0.0.8-unreleased
* 0.0.7-unreleased
- Implement keystore signing.
- Change makefile to compile contract for Byzantium.
diff --git a/python/eth_erc20/erc20.py b/python/eth_erc20/erc20.py
@@ -19,13 +19,13 @@ from chainlib.eth.tx import (
TxFactory,
TxFormat,
)
+from chainlib.jsonrpc import JSONRPCRequest
from chainlib.eth.contract import (
ABIContractEncoder,
ABIContractDecoder,
ABIContractType,
abi_decode_single,
)
-from chainlib.jsonrpc import jsonrpc_template
from chainlib.eth.error import RequestMismatchException
logg = logging.getLogger()
@@ -34,8 +34,9 @@ logg = logging.getLogger()
class ERC20(TxFactory):
- def balance_of(self, contract_address, address, sender_address=ZERO_ADDRESS):
- o = jsonrpc_template()
+ def balance_of(self, contract_address, address, sender_address=ZERO_ADDRESS, id_generator=None):
+ j = JSONRPCRequest(id_generator)
+ o = j.template()
o['method'] = 'eth_call'
enc = ABIContractEncoder()
enc.method('balanceOf')
@@ -46,15 +47,17 @@ class ERC20(TxFactory):
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
+ o = j.finalize(o)
return o
- def balance(self, contract_address, address, sender_address=ZERO_ADDRESS):
- return self.balance_of(contract_address, address, sender_address=ZERO_ADDRESS)
+ def balance(self, contract_address, address, sender_address=ZERO_ADDRESS, id_generator=None):
+ return self.balance_of(contract_address, address, sender_address=ZERO_ADDRESS, id_generator=id_generator)
- def symbol(self, contract_address, sender_address=ZERO_ADDRESS):
- o = jsonrpc_template()
+ def symbol(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('symbol')
@@ -63,11 +66,13 @@ class ERC20(TxFactory):
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
+ o = j.finalize(o)
return o
- def name(self, contract_address, sender_address=ZERO_ADDRESS):
- o = jsonrpc_template()
+ def name(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('name')
@@ -76,11 +81,13 @@ class ERC20(TxFactory):
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
+ o = j.finalize(o)
return o
- def decimals(self, contract_address, sender_address=ZERO_ADDRESS):
- o = jsonrpc_template()
+ def decimals(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('decimals')
@@ -89,11 +96,13 @@ class ERC20(TxFactory):
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
+ o = j.finalize(o)
return o
- def total_supply(self, contract_address, sender_address=ZERO_ADDRESS):
- o = jsonrpc_template()
+ def total_supply(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('totalSupply')
@@ -102,10 +111,11 @@ class ERC20(TxFactory):
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
o['params'].append('latest')
+ o = j.finalize(o)
return o
- def transfer(self, contract_address, sender_address, recipient_address, value, tx_format=TxFormat.JSONRPC):
+ def transfer(self, contract_address, sender_address, recipient_address, value, tx_format=TxFormat.JSONRPC, id_generator=None):
enc = ABIContractEncoder()
enc.method('transfer')
enc.typ(ABIContractType.ADDRESS)
@@ -115,7 +125,7 @@ class ERC20(TxFactory):
data = add_0x(enc.get())
tx = self.template(sender_address, contract_address, use_nonce=True)
tx = self.set_code(tx, data)
- tx = self.finalize(tx, tx_format)
+ tx = self.finalize(tx, tx_format, id_generator=id_generator)
return tx
@@ -170,6 +180,11 @@ class ERC20(TxFactory):
@classmethod
+ def parse_total_supply(self, v):
+ return abi_decode_single(ABIContractType.UINT256, v)
+
+
+ @classmethod
def parse_transfer_request(self, v):
v = strip_0x(v)
cursor = 0
diff --git a/python/eth_erc20/runnable/balance.py b/python/eth_erc20/runnable/balance.py
@@ -27,10 +27,6 @@ from eth_abi import encode_single
# external imports
from chainlib.eth.address import to_checksum
-from chainlib.jsonrpc import (
- jsonrpc_template,
- jsonrpc_result,
- )
from chainlib.eth.connection import EthHTTPConnection
from chainlib.eth.gas import (
OverrideGasOracle,
@@ -44,8 +40,9 @@ from eth_erc20 import ERC20
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
-default_abi_dir = os.environ.get('ETH_ABI_DIR', '/usr/share/local/cic/solidity/abi')
-default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
+default_eth_provider = os.environ.get('RPC_PROVIDER')
+if default_eth_provider == None:
+ default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
argparser = argparse.ArgumentParser()
argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
@@ -53,6 +50,7 @@ argparser.add_argument('-a', '--token-address', dest='a', required=True, type=st
argparser.add_argument('-f', '--format', dest='f', type=str, default='terminal', help='Output format [terminal (default), raw, brief]')
argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='evm:ethereum:1', help='Chain specification string')
argparser.add_argument('-u', '--unsafe', dest='u', action='store_true', help='Auto-convert address to checksum adddress')
+argparser.add_argument('--seq', action='store_true', help='Use sequential rpc ids')
argparser.add_argument('-v', action='store_true', help='Be verbose')
argparser.add_argument('-vv', action='store_true', help='Be more verbose')
argparser.add_argument('address', type=str, help='Account address')
diff --git a/python/eth_erc20/runnable/transfer.py b/python/eth_erc20/runnable/transfer.py
@@ -24,7 +24,9 @@ from hexathon import (
strip_0x,
)
from chainlib.eth.connection import EthHTTPConnection
-from chainlib.jsonrpc import jsonrpc_template
+from chainlib.jsonrpc import (
+ IntSequenceGenerator,
+ )
from chainlib.eth.nonce import (
RPCNonceOracle,
OverrideNonceOracle,
@@ -45,9 +47,12 @@ logg = logging.getLogger()
logging.getLogger('web3').setLevel(logging.WARNING)
logging.getLogger('urllib3').setLevel(logging.WARNING)
-default_abi_dir = '/usr/local/share/cic/solidity/abi'
+default_eth_provider = os.environ.get('RPC_PROVIDER')
+if default_eth_provider == None:
+ default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
+
argparser = argparse.ArgumentParser()
-argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
+argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
argparser.add_argument('-w', action='store_true', help='Wait for the last transaction to be confirmed')
argparser.add_argument('-ww', action='store_true', help='Wait for every transaction to be confirmed')
argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='evm:ethereum:1', help='Chain specification string')
@@ -59,6 +64,7 @@ argparser.add_argument('-s', '--send', dest='s', action='store_true', help='Send
argparser.add_argument('--nonce', type=int, help='Override nonce')
argparser.add_argument('--gas-price', dest='gas_price', type=int, help='Override gas price')
argparser.add_argument('--gas-limit', dest='gas_limit', type=int, help='Override gas limit')
+argparser.add_argument('--seq', action='store_true', help='Use sequential rpc ids')
argparser.add_argument('-v', action='store_true', help='Be verbose')
argparser.add_argument('-vv', action='store_true', help='Be more verbose')
argparser.add_argument('recipient', type=str, help='Recipient account address')
@@ -91,22 +97,33 @@ if args.y != None:
logg.debug('now have key for signer address {}'.format(signer_address))
signer = EIP155Signer(keystore)
+rpc_id_generator = None
+if args.seq:
+ rpc_id_generator = IntSequenceGenerator()
+
+auth = None
+#if os.environ.get('RPC_AUTHENTICATION') == 'custom_token':
+
+if os.environ.get('RPC_AUTHENTICATION') == 'basic':
+ from chainlib.auth import BasicAuth
+ #auth = CustomHeaderTokenAuth('x-api-key', os.environ['RPC_AUTHENTICATION_STRING'])
+ auth = BasicAuth(os.environ['RPC_USERNAME'], os.environ['RPC_PASSWORD'])
conn = EthHTTPConnection(args.p)
nonce_oracle = None
if args.nonce != None:
- nonce_oracle = OverrideNonceOracle(signer_address, args.nonce)
+ nonce_oracle = OverrideNonceOracle(signer_address, args.nonce, id_generator=rpc_id_generator)
else:
- nonce_oracle = RPCNonceOracle(signer_address, conn)
+ nonce_oracle = RPCNonceOracle(signer_address, conn, id_generator=rpc_id_generator)
-def _max_gas(code=None):
- return 8000000
+#def _max_gas(code=None):
+# return 8000000
gas_oracle = None
if args.gas_price != None or args.gas_limit != None:
- gas_oracle = OverrideGasOracle(price=args.gas_price, limit=args.gas_limit)
+ gas_oracle = OverrideGasOracle(price=args.gas_price, limit=args.gas_limit, id_generator=rpc_id_generator, conn=conn)
else:
- gas_oracle = RPCGasOracle(conn, code_callback=_max_gas)
+ gas_oracle = RPCGasOracle(conn, code_callback=ERC20.gas, id_generator=rpc_id_generator)
chain_spec = ChainSpec.from_chain_str(args.i)
chain_id = chain_spec.network_id()
@@ -118,8 +135,8 @@ send = args.s
g = ERC20(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
-def balance(token_address, address):
- o = g.balance(token_address, address)
+def balance(token_address, address, id_generator=None):
+ o = g.balance(token_address, address, id_generator=id_generator)
r = conn.do(o)
hx = strip_0x(r)
return int(hx, 16)
@@ -131,18 +148,22 @@ def main():
raise ValueError('invalid checksum address')
if logg.isEnabledFor(logging.DEBUG):
- logg.debug('sender {} balance after: {}'.format(signer_address, balance(args.a, signer_address)))
- logg.debug('recipient {} balance after: {}'.format(recipient, balance(args.a, recipient)))
+ sender_balance = balance(args.a, signer_address, id_generator=rpc_id_generator)
+ recipient_balance = balance(args.a, recipient, id_generator=rpc_id_generator)
+ logg.debug('sender {} balance after: {}'.format(signer_address, sender_balance))
+ logg.debug('recipient {} balance after: {}'.format(recipient, recipient_balance))
- (tx_hash_hex, o) = g.transfer(args.a, signer_address, recipient, value)
+ (tx_hash_hex, o) = g.transfer(args.a, signer_address, recipient, value, id_generator=rpc_id_generator)
if send:
conn.do(o)
if block_last:
r = conn.wait(tx_hash_hex)
if logg.isEnabledFor(logging.DEBUG):
- logg.debug('sender {} balance after: {}'.format(signer_address, balance(args.a, signer_address)))
- logg.debug('recipient {} balance after: {}'.format(recipient, balance(args.a, recipient)))
+ sender_balance = balance(args.a, signer_address, id_generator=rpc_id_generator)
+ recipient_balance = balance(args.a, recipient, id_generator=rpc_id_generator)
+ logg.debug('sender {} balance after: {}'.format(signer_address, sender_balance))
+ logg.debug('recipient {} balance after: {}'.format(recipient, recipient_balance))
if r['status'] == 0:
logg.critical('VM revert. Wish I could tell you more')
sys.exit(1)
diff --git a/python/giftable_erc20_token/data/GiftableToken.bin b/python/giftable_erc20_token/data/GiftableToken.bin
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+\ No newline at end of file
diff --git a/python/giftable_erc20_token/data/GiftableToken.json b/python/giftable_erc20_token/data/GiftableToken.json
@@ -1 +1 @@
-[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"TransferFrom","type":"event"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
+[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_minter","type":"address"},{"indexed":true,"internalType":"address","name":"_beneficiary","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"TransferFrom","type":"event"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
diff --git a/python/giftable_erc20_token/factory.py b/python/giftable_erc20_token/factory.py
@@ -40,6 +40,7 @@ class GiftableToken(TxFactory):
def gas(code=None):
return 1500000
+
@staticmethod
def abi():
if GiftableToken.__abi == None:
diff --git a/python/requirements.txt b/python/requirements.txt
@@ -1,4 +1,4 @@
confini~=0.3.6rc3
-crypto-dev-signer~=0.4.14b3
-chainlib~=0.0.3a1
+crypto-dev-signer~=0.4.14b6
+chainlib~=0.0.4a1
potaahto~=0.0.1a2
diff --git a/python/setup.cfg b/python/setup.cfg
@@ -1,6 +1,6 @@
[metadata]
name = eth-erc20
-version = 0.0.9a2
+version = 0.0.10a1
description = ERC20 interface and simple contract with deployment script that lets any address mint and gift itself tokens.
author = Louis Holbrook
author_email = dev@holbrook.no
diff --git a/python/tests/conftest.py b/python/tests/conftest.py
@@ -1,25 +0,0 @@
-# standard imports
-import os
-
-# external imports
-import pytest
-from crypto_dev_signer.keystore.dict import DictKeystore
-from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
-
-
-@pytest.fixture(scope='session')
-def keystore():
- ks = DictKeystore()
-
- pk = os.urandom(32)
- ks.import_raw_key(pk)
- return ks
-
-
-@pytest.fixture(scope='session')
-def signer(
- keystore,
- ):
-
- s = EIP155Signer(keystore)
- return s
diff --git a/python/tests/test_erc20.py b/python/tests/test_erc20.py
@@ -1,74 +0,0 @@
-# standard imports
-import logging
-import os
-
-# external imports
-from hexathon import (
- strip_0x,
- add_0x,
- )
-from chainlib.eth.address import to_checksum_address
-from chainlib.eth.tx import (
- unpack,
- TxFormat,
- )
-from chainlib.eth.pytest import *
-
-# local imports
-from eth_erc20 import ERC20
-
-logg = logging.getLogger()
-
-contract_address = to_checksum_address('0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef')
-benefactor_address = to_checksum_address('0xefdeadbeefdeadbeefdeadbeefdeadbeefdeadbe')
-
-
-# TODO: use unittest instead
-def test_erc20_balance(
- default_chain_spec,
- ):
- e = ERC20(default_chain_spec,)
-
- holder_address = to_checksum_address('0xbeefdeadbeefdeadbeefdeadbeefdeadbeefdead')
- o = e.balance_of(contract_address, holder_address)
- assert len(o['params'][0]['data']) == 64 + 8 + 2
- assert o['params'][0]['data'][:10] == add_0x('70a08231')
-
-
-def test_erc20_decimals(
- default_chain_spec,
- ):
- e = ERC20(default_chain_spec)
-
- o = e.decimals(contract_address)
- assert o['params'][0]['data'] == add_0x('313ce567')
-
-
-def test_erc20_transfer(
- keystore,
- signer,
- default_chain_spec,
- ):
- e = ERC20(default_chain_spec, signer=signer)
-
- addresses = keystore.list()
- (tx_hash_hex, o) = e.transfer(contract_address, addresses[0], benefactor_address, 1024)
-
-
-def test_erc20_parse_transfer_request(
- keystore,
- signer,
- default_chain_spec,
- ):
-
- e = ERC20(default_chain_spec, signer=signer)
-
- addresses = keystore.list()
- (tx_hash_hex, o) = e.transfer(contract_address, addresses[0], benefactor_address, 1024, tx_format=TxFormat.RLP_SIGNED)
- b = bytes.fromhex(strip_0x(o))
-
- #chain_spec = ChainSpec('evm', 'foo', 1, 'bar')
- tx = unpack(b, default_chain_spec)
- r = ERC20.parse_transfer_request(tx['data'])
- assert r[0] == benefactor_address
- assert r[1] == 1024
diff --git a/python/tests/test_erc20_interface.py b/python/tests/test_erc20_interface.py
@@ -0,0 +1,189 @@
+# standard imports
+import logging
+import unittest
+
+# external imports
+from chainlib.eth.unittest.ethtester import EthTesterCase
+from chainlib.connection import RPCConnection
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.gas import OverrideGasOracle
+from chainlib.eth.tx import (
+ transaction,
+ receipt,
+ )
+from chainlib.eth.address import to_checksum_address
+
+# local imports
+from giftable_erc20_token import GiftableToken
+from eth_erc20 import ERC20
+
+logg = logging.getLogger(__name__)
+
+
+class TestToken(EthTesterCase):
+
+ def setUp(self):
+ super(TestToken, self).setUp()
+ self.conn = RPCConnection.connect(self.chain_spec, 'default')
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ self.symbol = 'FOO'
+ self.name = 'Foo Token'
+ self.decimals = 16
+ (tx_hash, o) = c.constructor(self.accounts[0], self.name, self.symbol, self.decimals)
+ r = self.conn.do(o)
+ logg.debug('deployed with hash {}'.format(r))
+
+ o = receipt(r)
+ r = self.conn.do(o)
+ self.address = to_checksum_address(r['contract_address'])
+
+ self.initial_supply = 1 << 40
+ (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], self.initial_supply)
+ r = self.conn.do(o)
+ o = receipt(tx_hash)
+ r = self.conn.do(o)
+ self.assertEqual(r['status'], 1)
+
+
+ def test_balance(self):
+ c = ERC20(self.chain_spec)
+ o = c.balance_of(self.address, self.accounts[0], sender_address=self.accounts[0])
+ r = self.conn.do(o)
+ balance = ERC20.parse_balance(r)
+ self.assertEqual(self.initial_supply, balance)
+
+
+ def test_supply(self):
+ c = ERC20(self.chain_spec)
+ o = c.total_supply(self.address, sender_address=self.accounts[0])
+ r = self.conn.do(o)
+ supply = ERC20.parse_total_supply(r)
+ self.assertEqual(self.initial_supply, supply)
+
+
+ def test_name(self):
+ c = ERC20(self.chain_spec)
+ o = c.name(self.address, sender_address=self.accounts[0])
+ r = self.conn.do(o)
+ name = ERC20.parse_name(r)
+ self.assertEqual(self.name, name)
+
+
+ def test_symbol(self):
+ c = ERC20(self.chain_spec)
+ o = c.symbol(self.address, sender_address=self.accounts[0])
+ r = self.conn.do(o)
+ symbol = ERC20.parse_symbol(r)
+ self.assertEqual(self.symbol, symbol)
+
+
+ def test_transfer(self):
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ gas_oracle = OverrideGasOracle(limit=100000, conn=self.conn)
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
+ (tx_hash, o) = c.transfer(self.address, self.accounts[0], self.accounts[1], 1000)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ 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, self.initial_supply - 1000)
+
+ o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, 1000)
+
+ o = transaction(tx_hash)
+ r = self.rpc.do(o)
+ data = c.parse_transfer_request(r['data'])
+ self.assertEqual(data[0], self.accounts[1])
+ self.assertEqual(data[1], 1000)
+
+
+ def test_transfer_from(self):
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ gas_oracle = OverrideGasOracle(limit=100000, conn=self.conn)
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
+ (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 1000)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ o = transaction(tx_hash)
+ r = self.rpc.do(o)
+ data = c.parse_approve_request(r['data'])
+ self.assertEqual(data[0], self.accounts[1])
+ self.assertEqual(data[1], 1000)
+
+ nonce_oracle = RPCNonceOracle(self.accounts[1], conn=self.conn)
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
+ (tx_hash, o) = c.transfer_from(self.address, self.accounts[1], self.accounts[0], self.accounts[2], 1001)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ o = transaction(tx_hash)
+ r = self.rpc.do(o)
+ data = c.parse_transfer_from_request(r['data'])
+ self.assertEqual(data[0], self.accounts[0])
+ self.assertEqual(data[1], self.accounts[2])
+ self.assertEqual(data[2], 1001)
+
+ (tx_hash, o) = c.transfer_from(self.address, self.accounts[1], self.accounts[0], self.accounts[2], 1000)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ 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, self.initial_supply - 1000)
+
+ o = c.balance_of(self.address, self.accounts[2], sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, 1000)
+
+
+ def test_revoke_approve(self):
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ gas_oracle = OverrideGasOracle(limit=100000, conn=self.conn)
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
+ (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 1000)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 999)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 0)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ nonce_oracle = RPCNonceOracle(self.accounts[1], conn=self.conn)
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle)
+ (tx_hash, o) = c.transfer_from(self.address, self.accounts[1], self.accounts[0], self.accounts[2], 1)
+ r = self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git a/solidity/GiftableToken.bin b/solidity/GiftableToken.bin
@@ -1 +1 @@
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-\ No newline at end of file
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diff --git a/solidity/GiftableToken.json b/solidity/GiftableToken.json
@@ -1 +1 @@
-[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"TransferFrom","type":"event"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
+[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_minter","type":"address"},{"indexed":true,"internalType":"address","name":"_beneficiary","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"TransferFrom","type":"event"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
diff --git a/solidity/GiftableToken.sol b/solidity/GiftableToken.sol
@@ -82,13 +82,16 @@ contract GiftableToken {
// Implements ERC20
function approve(address _spender, uint256 _value) public returns (bool) {
- allowance[msg.sender][_spender] += _value;
+ if (_value > 0) {
+ require(allowance[msg.sender][_spender] == 0);
+ }
+ allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
// Implements EIP165
- function supportsInterface(bytes4 _sum) {
+ function supportsInterface(bytes4 _sum) public returns (bool) {
if (_sum == 0xc6bb4b70) { // ERC20
return true;
}
