commit 5d213d61b7421440cd28673604965e0bcd7a709d
parent 7cf174d6a813fb8c86a73c66d2127f6a7e1e4a53
Author: lash <dev@holbrook.no>
Date: Sun, 7 May 2023 13:24:28 +0100
Add withdraw test, allow withdraw anytime if not locked
Diffstat:
9 files changed, 286 insertions(+), 14 deletions(-)
diff --git a/python/erc20_vend/data/Vend.bin b/python/erc20_vend/data/Vend.bin
@@ -1 +1 @@
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+\ No newline at end of file
diff --git a/python/erc20_vend/data/Vend.metadata.json b/python/erc20_vend/data/Vend.metadata.json
@@ -1 +1 @@
-{"compiler":{"version":"0.8.19+commit.7dd6d404"},"language":"Solidity","output":{"abi":[{"inputs":[{"internalType":"address","name":"_controlToken","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"bool","name":"_lock","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_idx","type":"uint256"},{"indexed":false,"internalType":"address","name":"_token","type":"address"}],"name":"TokenCreated","type":"event"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"}],"name":"create","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_idx","type":"uint256"}],"name":"getTokenByIndex","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"withdrawFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"kind":"dev","methods":{},"version":1},"userdoc":{"kind":"user","methods":{},"version":1}},"settings":{"compilationTarget":{"Vend.sol":"ERC20Vend"},"evmVersion":"byzantium","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":false,"runs":200},"remappings":[]},"sources":{"GiftableToken.sol":{"keccak256":"0xaa3263856dd73d7bb1ec06b4ca38dd86ddd0771e8cb2ca47b7c1e3c69be9c14a","license":"AGPL-3.0-or-later","urls":["bzz-raw://ddeb57c7ea151da4b52a95c6c12a225b54b80713c323821ea52f8c8ca295479c","dweb:/ipfs/QmZKwsNxRQFdQRjPsHP7RepfLtXDXhDEb3Qy2koPJdFoWG"]},"Vend.sol":{"keccak256":"0x4ab563e0d7bd503098b0772088c38b4a48b1e58cd4d5ae35311d080e4888f1d7","license":"AGPL-3.0-or-later","urls":["bzz-raw://6324109ccd635803305affce1f6b9aaed8b17c9e303a7f2c6ff56b34a26d1744","dweb:/ipfs/QmXKHQQDNPf4jqj7AhWDhdzPvhJYsLoUQP1xUV5SPxZZZj"]}},"version":1}
+{"compiler":{"version":"0.8.19+commit.7dd6d404"},"language":"Solidity","output":{"abi":[{"inputs":[{"internalType":"address","name":"_controlToken","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"bool","name":"_lock","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_idx","type":"uint256"},{"indexed":false,"internalType":"address","name":"_token","type":"address"}],"name":"TokenCreated","type":"event"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"}],"name":"create","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_idx","type":"uint256"}],"name":"getTokenByIndex","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mintFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"withdrawFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"kind":"dev","methods":{},"version":1},"userdoc":{"kind":"user","methods":{},"version":1}},"settings":{"compilationTarget":{"Vend.sol":"ERC20Vend"},"evmVersion":"byzantium","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":false,"runs":200},"remappings":[]},"sources":{"GiftableToken.sol":{"keccak256":"0xaa3263856dd73d7bb1ec06b4ca38dd86ddd0771e8cb2ca47b7c1e3c69be9c14a","license":"AGPL-3.0-or-later","urls":["bzz-raw://ddeb57c7ea151da4b52a95c6c12a225b54b80713c323821ea52f8c8ca295479c","dweb:/ipfs/QmZKwsNxRQFdQRjPsHP7RepfLtXDXhDEb3Qy2koPJdFoWG"]},"Vend.sol":{"keccak256":"0xe5f94150fd2aad405a831ff66f8065089b0cbc54ae9e664c4b3a648a3bdc9f28","license":"AGPL-3.0-or-later","urls":["bzz-raw://a885de820226ed9223b1a9a04cb121d16dd55586ebed49dbf6de1589816cd0e1","dweb:/ipfs/QmQ2rTUanTaEheScpZKMv29qzSiXDzRj4eViFuVW7s35ji"]}},"version":1}
diff --git a/python/erc20_vend/unittest/__init__.py b/python/erc20_vend/unittest/__init__.py
@@ -1 +1,2 @@
from .base import TestVend
+from .base import TestVendParams
diff --git a/python/erc20_vend/unittest/base.py b/python/erc20_vend/unittest/base.py
@@ -17,21 +17,45 @@ from erc20_vend import Vend
logg = logging.getLogger(__name__)
-class TestVend(TestGiftableToken):
+class TestVendCore(TestGiftableToken):
expire = 0
def setUp(self):
- super(TestVend, self).setUp()
+ super(TestVendCore, self).setUp()
+
+ self.alice = self.accounts[1]
+ self.bob = self.accounts[2]
self.token_address = self.address
+ c = ERC20(self.chain_spec)
+ o = c.decimals(self.token_address, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ self.token_decimals = c.parse_decimals(r)
+
+
+ def publish(self, lock=False, decimals=0):
nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
- (tx_hash, o) = c.constructor(self.accounts[0], self.token_address)
+ (tx_hash, o) = c.constructor(self.accounts[0], self.token_address, lock=lock, decimals=decimals)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.vend_address = to_checksum_address(r['contract_address'])
logg.debug('published vend on address {} with hash {}'.format(self.vend_address, tx_hash))
+
+
+class TestVend(TestVendCore):
+
+ def setUp(self):
+ super(TestVend, self).setUp()
+ self.publish()
+
+
+class TestVendParams(TestVendCore):
+
+ def setUp(self):
+ super(TestVendParams, self).setUp()
+ self.publish(lock=True, decimals=2)
diff --git a/python/erc20_vend/vend.py b/python/erc20_vend/vend.py
@@ -94,6 +94,32 @@ class Vend(TxFactory):
return tx
+ def mint_for(self, contract_address, sender_address, token_address, value, tx_format=TxFormat.JSONRPC, id_generator=None):
+ enc = ABIContractEncoder()
+ enc.method('mintFor')
+ enc.typ(ABIContractType.ADDRESS)
+ enc.typ(ABIContractType.UINT256)
+ enc.address(token_address)
+ enc.uint256(value)
+ 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, id_generator=id_generator)
+ return tx
+
+
+ def withdraw_for(self, contract_address, sender_address, token_address, tx_format=TxFormat.JSONRPC, id_generator=None):
+ enc = ABIContractEncoder()
+ enc.method('withdrawFor')
+ enc.typ(ABIContractType.ADDRESS)
+ enc.address(token_address)
+ 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, id_generator=id_generator)
+ return tx
+
+
def get_token(self, contract_address, token_idx, sender_address=ZERO_ADDRESS, id_generator=None):
j = JSONRPCRequest(id_generator)
o = j.template()
@@ -111,7 +137,6 @@ class Vend(TxFactory):
return o
-
def parse_token(self, v):
dec = ABIContractDecoder()
dec.typ(ABIContractType.ADDRESS)
diff --git a/python/run_tests.sh b/python/run_tests.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -a
+set -e
+set -x
+default_pythonpath=$PYTHONPATH:.
+export PYTHONPATH=${default_pythonpath:-.}
+>&2 echo using pythonpath $PYTHONPATH
+for f in `ls tests/*.py`; do
+ python $f
+done
+set +x
+set +e
+set +a
diff --git a/python/tests/test_base.py b/python/tests/test_base.py
@@ -3,9 +3,13 @@ import unittest
import logging
import os
from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.contract import ABIContractEncoder
+from chainlib.eth.contract import ABIContractType
+from chainlib.eth.tx import TxFormat
from chainlib.eth.tx import receipt
from eth_erc20 import ERC20
from giftable_erc20_token import GiftableToken
+from hexathon import add_0x
# local imports
from erc20_vend.unittest import TestVend
@@ -15,6 +19,7 @@ from erc20_vend import Vend
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
+
class TestVendBase(TestVend):
def test_create_token(self):
@@ -41,6 +46,83 @@ class TestVendBase(TestVend):
symbol = c.parse_symbol(r)
self.assertEqual(symbol, 'FOOVEND')
+
+ def test_vend_token(self):
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
+ self.rpc.do(o)
+
+ o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ vended_token_address = c.parse_token(r)
+
+ vend_amount = 100
+ src_amount = vend_amount * (10 ** self.token_decimals)
+ c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_to(self.token_address, self.accounts[0], self.alice, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ nonce_oracle = RPCNonceOracle(self.alice, conn=self.conn)
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.approve(self.token_address, self.alice, self.vend_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount + 1)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = ERC20(self.chain_spec)
+ o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, vend_amount)
+
+ o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, 0)
+
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.withdraw_for(self.vend_address, self.alice, vended_token_address)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = ERC20(self.chain_spec)
+ o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, vend_amount)
+
+ o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, src_amount)
+
if __name__ == '__main__':
unittest.main()
diff --git a/python/tests/test_lock.py b/python/tests/test_lock.py
@@ -0,0 +1,113 @@
+# standard imports
+import unittest
+import logging
+import os
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.contract import ABIContractEncoder
+from chainlib.eth.contract import ABIContractType
+from chainlib.eth.tx import TxFormat
+from chainlib.eth.tx import receipt
+from eth_erc20 import ERC20
+from giftable_erc20_token import GiftableToken
+from hexathon import add_0x
+
+# local imports
+from erc20_vend.unittest import TestVendParams
+from erc20_vend import Vend
+
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+class TestVendLocked(TestVendParams):
+
+ def test_vend_token_lock(self):
+ nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.create(self.vend_address, self.accounts[0], 'foo vend', 'FOOVEND')
+ self.rpc.do(o)
+
+ o = c.get_token(self.vend_address, 0, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ vended_token_address = c.parse_token(r)
+
+ vend_amount = 100
+ src_amount = vend_amount * (10 ** (self.token_decimals - 2))
+ c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_to(self.token_address, self.accounts[0], self.alice, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ nonce_oracle = RPCNonceOracle(self.alice, conn=self.conn)
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.approve(self.token_address, self.alice, self.vend_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount + 1)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ (tx_hash, o) = c.mint_for(self.vend_address, self.alice, vended_token_address, src_amount)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = ERC20(self.chain_spec)
+ o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, vend_amount)
+
+ o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, 0)
+
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.withdraw_for(self.vend_address, self.alice, vended_token_address)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 0)
+
+ c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.approve(vended_token_address, self.alice, self.vend_address, vend_amount)
+ self.rpc.do(o)
+
+ c = Vend(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.withdraw_for(self.vend_address, self.alice, vended_token_address)
+ self.rpc.do(o)
+ o = receipt(tx_hash)
+ r = self.rpc.do(o)
+ self.assertEqual(r['status'], 1)
+
+ c = ERC20(self.chain_spec)
+ o = c.balance_of(vended_token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, 0)
+
+ o = c.balance_of(self.token_address, self.alice, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ balance = c.parse_balance(r)
+ self.assertEqual(balance, src_amount)
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git a/solidity/Vend.sol b/solidity/Vend.sol
@@ -33,6 +33,9 @@ contract ERC20Vend {
require(controlDecimals >= decimals);
decimalDivisor = (10 ** (controlDecimals - _decimals));
+ if (decimalDivisor == 0) {
+ decimalDivisor = 1;
+ }
}
function getTokenByIndex(uint256 _idx) public view returns(address) {
@@ -56,7 +59,6 @@ contract ERC20Vend {
GiftableToken l_token;
bool r;
bytes memory v;
- uint256 l_balance;
uint256 l_ratioedValue;
require(_value < UINT256_MAX, "ERR_VALUE_TOO_HIGH");
@@ -67,7 +69,6 @@ contract ERC20Vend {
l_token = GiftableToken(_token);
require(used[msg.sender][address(_token)] == 0, "ERR_USED");
- l_balance = l_token.balanceOf(msg.sender);
(r, v) = controlToken.call(abi.encodeWithSignature("transferFrom(address,address,uint256)", msg.sender, this, _value));
require(r, "ERR_TOKEN");
r = abi.decode(v, (bool));
@@ -79,7 +80,7 @@ contract ERC20Vend {
l_ratioedValue = _value / decimalDivisor;
}
used[msg.sender][address(l_token)] += _value;
- if (!l_token.mintTo(msg.sender, _value)) {
+ if (!l_token.mintTo(msg.sender, l_ratioedValue)) {
revert("ERR_MINT");
}
return _value;
@@ -89,14 +90,23 @@ contract ERC20Vend {
bool r;
bytes memory v;
uint256 l_balance;
+ uint256 l_vendBalance;
l_balance = used[msg.sender][_token];
if (l_balance == 0) {
return 0;
}
- checkLock(_token, msg.sender);
+ require(used[msg.sender][_token] < UINT256_MAX, "ERR_ALREADY_WITHDRAWN");
+ l_vendBalance = checkLock(_token, msg.sender);
used[msg.sender][_token] = UINT256_MAX;
+ if (l_vendBalance < UINT256_MAX) {
+ (r, v) = _token.call(abi.encodeWithSignature("transferFrom(address,address,uint256)", msg.sender, this, l_vendBalance));
+ require(r, "ERR_TOKEN");
+ r = abi.decode(v, (bool));
+ require(r, "ERR_TOKEN_TRANSFER");
+ }
+
(r, v) = controlToken.call(abi.encodeWithSignature("transfer(address,uint256)", msg.sender, l_balance));
require(r, "ERR_TOKEN");
r = abi.decode(v, (bool));
@@ -105,7 +115,9 @@ contract ERC20Vend {
return l_balance;
}
- function checkLock(address _token, address _target) private returns (bool) {
+ // returns UINT256_MAX if lock is inactive
+ // reverts if locked and target does not have the original balance
+ function checkLock(address _token, address _target) private returns (uint256) {
bool r;
bytes memory v;
uint256 l_currentBalance;
@@ -116,8 +128,9 @@ contract ERC20Vend {
require(r, "ERR_TOKEN");
l_currentBalance = abi.decode(v, (uint256));
l_heldBalance = used[_target][_token];
- require(l_currentBalance == l_heldBalance, "ERR_LOCKED");
+ require(l_currentBalance * decimalDivisor == l_heldBalance, "ERR_LOCKED");
+ return l_currentBalance;
}
- return true;
+ return UINT256_MAX;
}
}
