foundry test
This commit is contained in:
2
packages/asset-swapper/.gitignore
vendored
2
packages/asset-swapper/.gitignore
vendored
@@ -1,2 +1,4 @@
|
||||
**/generated-artifacts
|
||||
**/generated-wrappers
|
||||
cache
|
||||
out
|
||||
|
||||
@@ -20,8 +20,6 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibMathV06.sol";
|
||||
|
||||
|
||||
contract ApproximateBuys {
|
||||
|
||||
|
||||
@@ -21,7 +21,7 @@ pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "./SamplerUtils.sol";
|
||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
|
||||
import "./interfaces/IERC20TokenV06.sol";
|
||||
import "./SamplerBase.sol";
|
||||
|
||||
// Minimal CToken interface
|
||||
|
||||
66
packages/asset-swapper/contracts/src/LibBytes.sol
Normal file
66
packages/asset-swapper/contracts/src/LibBytes.sol
Normal file
@@ -0,0 +1,66 @@
|
||||
/*
|
||||
|
||||
Copyright 2022 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
|
||||
pragma solidity ^0.6;
|
||||
|
||||
library LibBytes {
|
||||
|
||||
using LibBytes for bytes;
|
||||
|
||||
/// @dev Reads a uint256 value from a position in a byte array.
|
||||
/// @param b Byte array containing a uint256 value.
|
||||
/// @param index Index in byte array of uint256 value.
|
||||
/// @return result value from byte array.
|
||||
function readUint256(
|
||||
bytes memory b,
|
||||
uint256 index
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 result)
|
||||
{
|
||||
result = uint256(readBytes32(b, index));
|
||||
return result;
|
||||
}
|
||||
|
||||
/// @dev Reads a bytes32 value from a position in a byte array.
|
||||
/// @param b Byte array containing a bytes32 value.
|
||||
/// @param index Index in byte array of bytes32 value.
|
||||
/// @return result bytes32 value from byte array.
|
||||
function readBytes32(
|
||||
bytes memory b,
|
||||
uint256 index
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (bytes32 result)
|
||||
{
|
||||
if (b.length < index + 32) {
|
||||
revert("Invalid bytes32 index");
|
||||
}
|
||||
|
||||
// Arrays are prefixed by a 256 bit length parameter
|
||||
index += 32;
|
||||
|
||||
// Read the bytes32 from array memory
|
||||
assembly {
|
||||
result := mload(add(b, index))
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
199
packages/asset-swapper/contracts/src/LibSafeMath.sol
Normal file
199
packages/asset-swapper/contracts/src/LibSafeMath.sol
Normal file
@@ -0,0 +1,199 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
|
||||
Copyright 2022 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
|
||||
pragma solidity ^0.6;
|
||||
|
||||
library LibSafeMath {
|
||||
using LibSafeMath for uint256;
|
||||
|
||||
function safeMul(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
}
|
||||
uint256 c = a * b;
|
||||
if (c / a != b) {
|
||||
revert("SafeMath: multiplication overflow");
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
function safeDiv(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
if (b == 0) {
|
||||
revert("SafeMath: division by 0");
|
||||
}
|
||||
uint256 c = a / b;
|
||||
return c;
|
||||
}
|
||||
|
||||
function safeSub(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
if (b > a) {
|
||||
revert("SafeMath: subtraction underflow");
|
||||
}
|
||||
return a - b;
|
||||
}
|
||||
|
||||
function safeAdd(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
uint256 c = a + b;
|
||||
if (c < a) {
|
||||
revert("SafeMath: addition overflow");
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
function max256(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
return a >= b ? a : b;
|
||||
}
|
||||
|
||||
function min256(uint256 a, uint256 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint256)
|
||||
{
|
||||
return a < b ? a : b;
|
||||
}
|
||||
|
||||
function safeMul128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
}
|
||||
uint128 c = a * b;
|
||||
if (c / a != b) {
|
||||
revert("SafeMath: multiplication overflow");
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
function safeDiv128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
if (b == 0) {
|
||||
revert("SafeMath: division by 0");
|
||||
}
|
||||
uint128 c = a / b;
|
||||
return c;
|
||||
}
|
||||
|
||||
function safeSub128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
if (b > a) {
|
||||
revert("SafeMath: subtraction underflow");
|
||||
}
|
||||
return a - b;
|
||||
}
|
||||
|
||||
function safeAdd128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
uint128 c = a + b;
|
||||
if (c < a) {
|
||||
revert("SafeMath: addition overflow");
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
function max128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
return a >= b ? a : b;
|
||||
}
|
||||
|
||||
function min128(uint128 a, uint128 b)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
return a < b ? a : b;
|
||||
}
|
||||
|
||||
function safeDowncastToUint128(uint256 a)
|
||||
internal
|
||||
pure
|
||||
returns (uint128)
|
||||
{
|
||||
if (a > type(uint128).max) {
|
||||
revert("SafeMath: cannot downcast uint256 to uint128");
|
||||
}
|
||||
return uint128(a);
|
||||
}
|
||||
|
||||
function getPartialAmountCeil(
|
||||
uint256 numerator,
|
||||
uint256 denominator,
|
||||
uint256 target
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 partialAmount)
|
||||
{
|
||||
// safeDiv computes `floor(a / b)`. We use the identity (a, b integer):
|
||||
// ceil(a / b) = floor((a + b - 1) / b)
|
||||
// To implement `ceil(a / b)` using safeDiv.
|
||||
partialAmount = numerator.safeMul(target)
|
||||
.safeAdd(denominator.safeSub(1))
|
||||
.safeDiv(denominator);
|
||||
|
||||
return partialAmount;
|
||||
}
|
||||
|
||||
function getPartialAmountFloor(
|
||||
uint256 numerator,
|
||||
uint256 denominator,
|
||||
uint256 target
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 partialAmount)
|
||||
{
|
||||
partialAmount = numerator.safeMul(target).safeDiv(denominator);
|
||||
return partialAmount;
|
||||
}
|
||||
}
|
||||
@@ -20,8 +20,7 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibBytesV06.sol";
|
||||
import "@0x/contracts-zero-ex/contracts/src/vendor/ILiquidityProvider.sol";
|
||||
import "./interfaces/ILiquidityProvider.sol";
|
||||
import "./ApproximateBuys.sol";
|
||||
import "./SamplerUtils.sol";
|
||||
import "./SamplerBase.sol";
|
||||
|
||||
@@ -21,7 +21,7 @@ pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "./SamplerUtils.sol";
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibMathV06.sol";
|
||||
import "./LibSafeMath.sol";
|
||||
import "./SamplerBase.sol";
|
||||
|
||||
interface IPSM {
|
||||
@@ -84,7 +84,7 @@ contract MakerPSMSampler is
|
||||
SamplerBase,
|
||||
SamplerUtils
|
||||
{
|
||||
using LibSafeMathV06 for uint256;
|
||||
using LibSafeMath for uint256;
|
||||
|
||||
/// @dev Information about which PSM module to use
|
||||
struct MakerPsmInfo {
|
||||
|
||||
@@ -20,11 +20,8 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibMathV06.sol";
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibBytesV06.sol";
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
|
||||
|
||||
import "./interfaces/IERC20TokenV06.sol";
|
||||
import "./LibSafeMath.sol";
|
||||
|
||||
interface IExchange {
|
||||
|
||||
@@ -123,8 +120,8 @@ interface IExchange {
|
||||
}
|
||||
|
||||
contract NativeOrderSampler {
|
||||
using LibSafeMathV06 for uint256;
|
||||
using LibBytesV06 for bytes;
|
||||
using LibSafeMath for uint256;
|
||||
// using LibBytesV06 for bytes;
|
||||
|
||||
/// @dev Gas limit for calls to `getOrderFillableTakerAmount()`.
|
||||
uint256 constant internal DEFAULT_CALL_GAS = 200e3; // 200k
|
||||
@@ -191,7 +188,7 @@ contract NativeOrderSampler {
|
||||
// convert them to maker asset amounts.
|
||||
for (uint256 i = 0; i < orders.length; ++i) {
|
||||
if (orderFillableMakerAssetAmounts[i] != 0) {
|
||||
orderFillableMakerAssetAmounts[i] = LibMathV06.getPartialAmountCeil(
|
||||
orderFillableMakerAssetAmounts[i] = LibSafeMath.getPartialAmountCeil(
|
||||
orderFillableMakerAssetAmounts[i],
|
||||
orders[i].takerAmount,
|
||||
orders[i].makerAmount
|
||||
|
||||
@@ -20,7 +20,7 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
|
||||
import "./interfaces/IERC20TokenV06.sol";
|
||||
|
||||
|
||||
contract SamplerUtils {
|
||||
@@ -34,7 +34,7 @@ contract SamplerUtils {
|
||||
view
|
||||
returns (uint8 decimals)
|
||||
{
|
||||
return LibERC20TokenV06.compatDecimals(IERC20TokenV06(tokenAddress));
|
||||
return IERC20TokenV06(tokenAddress).decimals();
|
||||
}
|
||||
|
||||
function _toSingleValueArray(uint256 v)
|
||||
|
||||
@@ -20,14 +20,14 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-utils/contracts/src/v06/LibBytesV06.sol";
|
||||
import "./LibBytes.sol";
|
||||
import "./SamplerBase.sol";
|
||||
|
||||
|
||||
contract TwoHopSampler is
|
||||
SamplerBase
|
||||
{
|
||||
using LibBytesV06 for bytes;
|
||||
using LibBytes for bytes;
|
||||
|
||||
struct HopInfo {
|
||||
uint256 sourceIndex;
|
||||
|
||||
@@ -20,7 +20,7 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
|
||||
import "./interfaces/IERC20TokenV06.sol";
|
||||
import "./SamplerBase.sol";
|
||||
|
||||
interface IUniswapV3Quoter {
|
||||
|
||||
@@ -21,12 +21,10 @@
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
|
||||
import "./interfaces/IERC20TokenV06.sol";
|
||||
|
||||
contract UtilitySampler {
|
||||
|
||||
using LibERC20TokenV06 for IERC20TokenV06;
|
||||
|
||||
IERC20TokenV06 private immutable UTILITY_ETH_ADDRESS = IERC20TokenV06(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);
|
||||
|
||||
function getTokenDecimals(IERC20TokenV06[] memory tokens)
|
||||
@@ -38,7 +36,7 @@ contract UtilitySampler {
|
||||
for (uint256 i = 0; i != tokens.length; i++) {
|
||||
decimals[i] = tokens[i] == UTILITY_ETH_ADDRESS
|
||||
? 18
|
||||
: tokens[i].compatDecimals();
|
||||
: tokens[i].decimals();
|
||||
}
|
||||
}
|
||||
|
||||
@@ -51,7 +49,7 @@ contract UtilitySampler {
|
||||
for (uint256 i = 0; i != tokens.length; i++) {
|
||||
balances[i] = tokens[i] == UTILITY_ETH_ADDRESS
|
||||
? account.balance
|
||||
: tokens[i].compatBalanceOf(account);
|
||||
: tokens[i].balanceOf(account);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -64,7 +62,7 @@ contract UtilitySampler {
|
||||
for (uint256 i = 0; i != tokens.length; i++) {
|
||||
allowances[i] = tokens[i] == UTILITY_ETH_ADDRESS
|
||||
? 0
|
||||
: tokens[i].compatAllowance(account, spender);
|
||||
: tokens[i].allowance(account, spender);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,96 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
|
||||
Copyright 2022 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
|
||||
pragma solidity ^0.6.5;
|
||||
|
||||
|
||||
interface IERC20TokenV06 {
|
||||
|
||||
// solhint-disable no-simple-event-func-name
|
||||
event Transfer(
|
||||
address indexed from,
|
||||
address indexed to,
|
||||
uint256 value
|
||||
);
|
||||
|
||||
event Approval(
|
||||
address indexed owner,
|
||||
address indexed spender,
|
||||
uint256 value
|
||||
);
|
||||
|
||||
/// @dev send `value` token to `to` from `msg.sender`
|
||||
/// @param to The address of the recipient
|
||||
/// @param value The amount of token to be transferred
|
||||
/// @return True if transfer was successful
|
||||
function transfer(address to, uint256 value)
|
||||
external
|
||||
returns (bool);
|
||||
|
||||
/// @dev send `value` token to `to` from `from` on the condition it is approved by `from`
|
||||
/// @param from The address of the sender
|
||||
/// @param to The address of the recipient
|
||||
/// @param value The amount of token to be transferred
|
||||
/// @return True if transfer was successful
|
||||
function transferFrom(
|
||||
address from,
|
||||
address to,
|
||||
uint256 value
|
||||
)
|
||||
external
|
||||
returns (bool);
|
||||
|
||||
/// @dev `msg.sender` approves `spender` to spend `value` tokens
|
||||
/// @param spender The address of the account able to transfer the tokens
|
||||
/// @param value The amount of wei to be approved for transfer
|
||||
/// @return Always true if the call has enough gas to complete execution
|
||||
function approve(address spender, uint256 value)
|
||||
external
|
||||
returns (bool);
|
||||
|
||||
/// @dev Query total supply of token
|
||||
/// @return Total supply of token
|
||||
function totalSupply()
|
||||
external
|
||||
view
|
||||
returns (uint256);
|
||||
|
||||
/// @dev Get the balance of `owner`.
|
||||
/// @param owner The address from which the balance will be retrieved
|
||||
/// @return Balance of owner
|
||||
function balanceOf(address owner)
|
||||
external
|
||||
view
|
||||
returns (uint256);
|
||||
|
||||
/// @dev Get the allowance for `spender` to spend from `owner`.
|
||||
/// @param owner The address of the account owning tokens
|
||||
/// @param spender The address of the account able to transfer the tokens
|
||||
/// @return Amount of remaining tokens allowed to spent
|
||||
function allowance(address owner, address spender)
|
||||
external
|
||||
view
|
||||
returns (uint256);
|
||||
|
||||
/// @dev Get the number of decimals this token has.
|
||||
function decimals()
|
||||
external
|
||||
view
|
||||
returns (uint8);
|
||||
}
|
||||
@@ -0,0 +1,118 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
|
||||
Copyright 2022 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
|
||||
pragma solidity ^0.6.5;
|
||||
|
||||
import "./IERC20TokenV06.sol";
|
||||
|
||||
|
||||
interface ILiquidityProvider {
|
||||
|
||||
/// @dev An optional event an LP can emit for each fill against a source.
|
||||
/// @param inputToken The input token.
|
||||
/// @param outputToken The output token.
|
||||
/// @param inputTokenAmount How much input token was sold.
|
||||
/// @param outputTokenAmount How much output token was bought.
|
||||
/// @param sourceId A bytes32 encoded ascii source ID. E.g., `bytes32('Curve')`/
|
||||
/// @param sourceAddress An optional address associated with the source (e.g, a curve pool).
|
||||
/// @param sourceId A bytes32 encoded ascii source ID. E.g., `bytes32('Curve')`/
|
||||
/// @param sourceAddress An optional address associated with the source (e.g, a curve pool).
|
||||
/// @param sender The caller of the LP.
|
||||
/// @param recipient The recipient of the output tokens.
|
||||
event LiquidityProviderFill(
|
||||
IERC20TokenV06 inputToken,
|
||||
IERC20TokenV06 outputToken,
|
||||
uint256 inputTokenAmount,
|
||||
uint256 outputTokenAmount,
|
||||
bytes32 sourceId,
|
||||
address sourceAddress,
|
||||
address sender,
|
||||
address recipient
|
||||
);
|
||||
|
||||
/// @dev Trades `inputToken` for `outputToken`. The amount of `inputToken`
|
||||
/// to sell must be transferred to the contract prior to calling this
|
||||
/// function to trigger the trade.
|
||||
/// @param inputToken The token being sold.
|
||||
/// @param outputToken The token being bought.
|
||||
/// @param recipient The recipient of the bought tokens.
|
||||
/// @param minBuyAmount The minimum acceptable amount of `outputToken` to buy.
|
||||
/// @param auxiliaryData Arbitrary auxiliary data supplied to the contract.
|
||||
/// @return boughtAmount The amount of `outputToken` bought.
|
||||
function sellTokenForToken(
|
||||
IERC20TokenV06 inputToken,
|
||||
IERC20TokenV06 outputToken,
|
||||
address recipient,
|
||||
uint256 minBuyAmount,
|
||||
bytes calldata auxiliaryData
|
||||
)
|
||||
external
|
||||
returns (uint256 boughtAmount);
|
||||
|
||||
/// @dev Trades ETH for token. ETH must either be attached to this function
|
||||
/// call or sent to the contract prior to calling this function to
|
||||
/// trigger the trade.
|
||||
/// @param outputToken The token being bought.
|
||||
/// @param recipient The recipient of the bought tokens.
|
||||
/// @param minBuyAmount The minimum acceptable amount of `outputToken` to buy.
|
||||
/// @param auxiliaryData Arbitrary auxiliary data supplied to the contract.
|
||||
/// @return boughtAmount The amount of `outputToken` bought.
|
||||
function sellEthForToken(
|
||||
IERC20TokenV06 outputToken,
|
||||
address recipient,
|
||||
uint256 minBuyAmount,
|
||||
bytes calldata auxiliaryData
|
||||
)
|
||||
external
|
||||
payable
|
||||
returns (uint256 boughtAmount);
|
||||
|
||||
/// @dev Trades token for ETH. The token must be sent to the contract prior
|
||||
/// to calling this function to trigger the trade.
|
||||
/// @param inputToken The token being sold.
|
||||
/// @param recipient The recipient of the bought tokens.
|
||||
/// @param minBuyAmount The minimum acceptable amount of ETH to buy.
|
||||
/// @param auxiliaryData Arbitrary auxiliary data supplied to the contract.
|
||||
/// @return boughtAmount The amount of ETH bought.
|
||||
function sellTokenForEth(
|
||||
IERC20TokenV06 inputToken,
|
||||
address payable recipient,
|
||||
uint256 minBuyAmount,
|
||||
bytes calldata auxiliaryData
|
||||
)
|
||||
external
|
||||
returns (uint256 boughtAmount);
|
||||
|
||||
/// @dev Quotes the amount of `outputToken` that would be obtained by
|
||||
/// selling `sellAmount` of `inputToken`.
|
||||
/// @param inputToken Address of the taker token (what to sell). Use
|
||||
/// the wETH address if selling ETH.
|
||||
/// @param outputToken Address of the maker token (what to buy). Use
|
||||
/// the wETH address if buying ETH.
|
||||
/// @param sellAmount Amount of `inputToken` to sell.
|
||||
/// @return outputTokenAmount Amount of `outputToken` that would be obtained.
|
||||
function getSellQuote(
|
||||
IERC20TokenV06 inputToken,
|
||||
IERC20TokenV06 outputToken,
|
||||
uint256 sellAmount
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (uint256 outputTokenAmount);
|
||||
}
|
||||
17
packages/asset-swapper/contracts/src/test/TestBase.sol
Normal file
17
packages/asset-swapper/contracts/src/test/TestBase.sol
Normal file
@@ -0,0 +1,17 @@
|
||||
// SPDX-License-Identifier: UNLICENSED
|
||||
pragma solidity ^0.6;
|
||||
|
||||
import "../../lib/ds-test/src/test.sol";
|
||||
|
||||
contract TestBase is
|
||||
DSTest
|
||||
{
|
||||
function _toSingleValueArray(uint256 v)
|
||||
internal
|
||||
pure
|
||||
returns (uint256[] memory arr)
|
||||
{
|
||||
arr = new uint256[](1);
|
||||
arr[0] = v;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
// SPDX-License-Identifier: UNLICENSED
|
||||
pragma solidity ^0.6;
|
||||
|
||||
import "./TestBase.sol";
|
||||
import "../ERC20BridgeSampler.sol";
|
||||
|
||||
contract UniswapV2SamplerTest is
|
||||
TestBase
|
||||
{
|
||||
ERC20BridgeSampler sampler;
|
||||
|
||||
function setUp() public {
|
||||
sampler = new ERC20BridgeSampler();
|
||||
sampler.setSampleValues(_toSingleValueArray(1e18));
|
||||
}
|
||||
|
||||
function testUniswapV2Sell()
|
||||
public
|
||||
{
|
||||
address router = 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a;
|
||||
address weth = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
|
||||
address usdc = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
|
||||
address[] memory path = new address[](2);
|
||||
path[0] = weth;
|
||||
path[1] = usdc;
|
||||
uint256[] memory values = sampler.sampleSellsFromUniswapV2Global(
|
||||
router,
|
||||
path
|
||||
);
|
||||
|
||||
assertGt(values[0], 0);
|
||||
}
|
||||
}
|
||||
@@ -1,39 +0,0 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
|
||||
contract DummyLiquidityProvider
|
||||
{
|
||||
/// @dev Quotes the amount of `makerToken` that would be obtained by
|
||||
/// selling `sellAmount` of `takerToken`.
|
||||
/// @param sellAmount Amount of `takerToken` to sell.
|
||||
/// @return makerTokenAmount Amount of `makerToken` that would be obtained.
|
||||
function getSellQuote(
|
||||
address, /* takerToken */
|
||||
address, /* makerToken */
|
||||
uint256 sellAmount
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (uint256 makerTokenAmount)
|
||||
{
|
||||
makerTokenAmount = sellAmount - 1;
|
||||
}
|
||||
|
||||
/// @dev Quotes the amount of `takerToken` that would need to be sold in
|
||||
/// order to obtain `buyAmount` of `makerToken`.
|
||||
/// @param buyAmount Amount of `makerToken` to buy.
|
||||
/// @return takerTokenAmount Amount of `takerToken` that would need to be sold.
|
||||
function getBuyQuote(
|
||||
address, /* takerToken */
|
||||
address, /* makerToken */
|
||||
uint256 buyAmount
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (uint256 takerTokenAmount)
|
||||
{
|
||||
takerTokenAmount = buyAmount + 1;
|
||||
}
|
||||
}
|
||||
@@ -1,455 +0,0 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
|
||||
Copyright 2020 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "../src/ERC20BridgeSampler.sol";
|
||||
import "../src/interfaces/IKyberNetwork.sol";
|
||||
import "../src/interfaces/IUniswapV2Router01.sol";
|
||||
|
||||
|
||||
library LibDeterministicQuotes {
|
||||
|
||||
address private constant WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
|
||||
uint256 private constant RATE_DENOMINATOR = 1 ether;
|
||||
uint256 private constant MIN_RATE = RATE_DENOMINATOR / 100;
|
||||
uint256 private constant MAX_RATE = 100 * RATE_DENOMINATOR;
|
||||
uint8 private constant MIN_DECIMALS = 4;
|
||||
uint8 private constant MAX_DECIMALS = 20;
|
||||
|
||||
function getDeterministicSellQuote(
|
||||
bytes32 salt,
|
||||
address sellToken,
|
||||
address buyToken,
|
||||
uint256 sellAmount
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 buyAmount)
|
||||
{
|
||||
uint256 sellBase = uint256(10) ** getDeterministicTokenDecimals(sellToken);
|
||||
uint256 buyBase = uint256(10) ** getDeterministicTokenDecimals(buyToken);
|
||||
uint256 rate = getDeterministicRate(salt, sellToken, buyToken);
|
||||
return sellAmount * rate * buyBase / sellBase / RATE_DENOMINATOR;
|
||||
}
|
||||
|
||||
function getDeterministicBuyQuote(
|
||||
bytes32 salt,
|
||||
address sellToken,
|
||||
address buyToken,
|
||||
uint256 buyAmount
|
||||
)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 sellAmount)
|
||||
{
|
||||
uint256 sellBase = uint256(10) ** getDeterministicTokenDecimals(sellToken);
|
||||
uint256 buyBase = uint256(10) ** getDeterministicTokenDecimals(buyToken);
|
||||
uint256 rate = getDeterministicRate(salt, sellToken, buyToken);
|
||||
return buyAmount * RATE_DENOMINATOR * sellBase / rate / buyBase;
|
||||
}
|
||||
|
||||
function getDeterministicTokenDecimals(address token)
|
||||
internal
|
||||
pure
|
||||
returns (uint8 decimals)
|
||||
{
|
||||
if (token == WETH_ADDRESS) {
|
||||
return 18;
|
||||
}
|
||||
bytes32 seed = keccak256(abi.encodePacked(token));
|
||||
return uint8(uint256(seed) % (MAX_DECIMALS - MIN_DECIMALS)) + MIN_DECIMALS;
|
||||
}
|
||||
|
||||
function getDeterministicRate(bytes32 salt, address sellToken, address buyToken)
|
||||
internal
|
||||
pure
|
||||
returns (uint256 rate)
|
||||
{
|
||||
bytes32 seed = keccak256(abi.encodePacked(salt, sellToken, buyToken));
|
||||
return uint256(seed) % (MAX_RATE - MIN_RATE) + MIN_RATE;
|
||||
}
|
||||
}
|
||||
|
||||
contract TestDeploymentConstants {
|
||||
|
||||
// solhint-disable separate-by-one-line-in-contract
|
||||
|
||||
// Mainnet addresses ///////////////////////////////////////////////////////
|
||||
/// @dev Mainnet address of the WETH contract.
|
||||
address constant private WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
|
||||
|
||||
/// @dev Overridable way to get the WETH address.
|
||||
/// @return wethAddress The WETH address.
|
||||
function _getWethAddress()
|
||||
internal
|
||||
view
|
||||
returns (address wethAddress)
|
||||
{
|
||||
return WETH_ADDRESS;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
contract FailTrigger {
|
||||
|
||||
// Give this address a balance to force operations to fail.
|
||||
address payable constant public FAILURE_ADDRESS = 0xe9dB8717BC5DFB20aaf538b4a5a02B7791FF430C;
|
||||
|
||||
// Funds `FAILURE_ADDRESS`.
|
||||
function enableFailTrigger() external payable {
|
||||
FAILURE_ADDRESS.transfer(msg.value);
|
||||
}
|
||||
|
||||
function _revertIfShouldFail() internal view {
|
||||
if (FAILURE_ADDRESS.balance != 0) {
|
||||
revert("FAIL_TRIGGERED");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract TestERC20BridgeSamplerUniswapExchange is
|
||||
IUniswapExchangeQuotes,
|
||||
TestDeploymentConstants,
|
||||
FailTrigger
|
||||
{
|
||||
bytes32 constant private BASE_SALT = 0x1d6a6a0506b0b4a554b907a4c29d9f4674e461989d9c1921feb17b26716385ab;
|
||||
|
||||
address public tokenAddress;
|
||||
bytes32 public salt;
|
||||
|
||||
constructor(address _tokenAddress) public {
|
||||
tokenAddress = _tokenAddress;
|
||||
salt = keccak256(abi.encodePacked(BASE_SALT, _tokenAddress));
|
||||
}
|
||||
|
||||
// Deterministic `IUniswapExchangeQuotes.getEthToTokenInputPrice()`.
|
||||
function getEthToTokenInputPrice(
|
||||
uint256 ethSold
|
||||
)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256 tokensBought)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
return LibDeterministicQuotes.getDeterministicSellQuote(
|
||||
salt,
|
||||
tokenAddress,
|
||||
_getWethAddress(),
|
||||
ethSold
|
||||
);
|
||||
}
|
||||
|
||||
// Deterministic `IUniswapExchangeQuotes.getEthToTokenOutputPrice()`.
|
||||
function getEthToTokenOutputPrice(
|
||||
uint256 tokensBought
|
||||
)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256 ethSold)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
return LibDeterministicQuotes.getDeterministicBuyQuote(
|
||||
salt,
|
||||
_getWethAddress(),
|
||||
tokenAddress,
|
||||
tokensBought
|
||||
);
|
||||
}
|
||||
|
||||
// Deterministic `IUniswapExchangeQuotes.getTokenToEthInputPrice()`.
|
||||
function getTokenToEthInputPrice(
|
||||
uint256 tokensSold
|
||||
)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256 ethBought)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
return LibDeterministicQuotes.getDeterministicSellQuote(
|
||||
salt,
|
||||
tokenAddress,
|
||||
_getWethAddress(),
|
||||
tokensSold
|
||||
);
|
||||
}
|
||||
|
||||
// Deterministic `IUniswapExchangeQuotes.getTokenToEthOutputPrice()`.
|
||||
function getTokenToEthOutputPrice(
|
||||
uint256 ethBought
|
||||
)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256 tokensSold)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
return LibDeterministicQuotes.getDeterministicBuyQuote(
|
||||
salt,
|
||||
_getWethAddress(),
|
||||
tokenAddress,
|
||||
ethBought
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract TestERC20BridgeSamplerUniswapV2Router01 is
|
||||
IUniswapV2Router01,
|
||||
TestDeploymentConstants,
|
||||
FailTrigger
|
||||
{
|
||||
bytes32 constant private SALT = 0xadc7fcb33c735913b8635927e66896b356a53a912ab2ceff929e60a04b53b3c1;
|
||||
|
||||
// Deterministic `IUniswapV2Router01.getAmountsOut()`.
|
||||
function getAmountsOut(uint256 amountIn, address[] calldata path)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256[] memory amounts)
|
||||
{
|
||||
require(path.length >= 2, "PATH_TOO_SHORT");
|
||||
_revertIfShouldFail();
|
||||
amounts = new uint256[](path.length);
|
||||
amounts[0] = amountIn;
|
||||
for (uint256 i = 0; i < path.length - 1; ++i) {
|
||||
amounts[i + 1] = LibDeterministicQuotes.getDeterministicSellQuote(
|
||||
SALT,
|
||||
path[i],
|
||||
path[i + 1],
|
||||
amounts[i]
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// Deterministic `IUniswapV2Router01.getAmountsInt()`.
|
||||
function getAmountsIn(uint256 amountOut, address[] calldata path)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (uint256[] memory amounts)
|
||||
{
|
||||
require(path.length >= 2, "PATH_TOO_SHORT");
|
||||
_revertIfShouldFail();
|
||||
amounts = new uint256[](path.length);
|
||||
amounts[path.length - 1] = amountOut;
|
||||
for (uint256 i = path.length - 1; i > 0; --i) {
|
||||
amounts[i - 1] = LibDeterministicQuotes.getDeterministicBuyQuote(
|
||||
SALT,
|
||||
path[i - 1],
|
||||
path[i],
|
||||
amounts[i]
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// solhint-disable space-after-comma
|
||||
contract TestERC20BridgeSamplerKyberNetwork is
|
||||
TestDeploymentConstants,
|
||||
FailTrigger
|
||||
{
|
||||
bytes32 constant private SALT = 0x0ff3ca9d46195c39f9a12afb74207b4970349fb3cfb1e459bbf170298d326bc7;
|
||||
address constant public ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
|
||||
|
||||
enum TradeType {BestOfAll, MaskIn, MaskOut, Split}
|
||||
enum ProcessWithRate {NotRequired, Required}
|
||||
|
||||
// IKyberHintHandler
|
||||
function buildTokenToEthHint(
|
||||
address tokenSrc,
|
||||
TradeType /* tokenToEthType */,
|
||||
bytes32[] calldata /* tokenToEthReserveIds */,
|
||||
uint256[] calldata /* tokenToEthSplits */
|
||||
) external view returns (bytes memory hint)
|
||||
{
|
||||
return abi.encode(tokenSrc);
|
||||
}
|
||||
|
||||
function buildEthToTokenHint(
|
||||
address tokenDest,
|
||||
TradeType /* ethToTokenType */,
|
||||
bytes32[] calldata /* ethToTokenReserveIds */,
|
||||
uint256[] calldata /* ethToTokenSplits */
|
||||
) external view returns (bytes memory hint)
|
||||
{
|
||||
return abi.encode(tokenDest);
|
||||
}
|
||||
|
||||
// IKyberHintHandler
|
||||
function buildTokenToTokenHint(
|
||||
address tokenSrc,
|
||||
TradeType /* tokenToEthType */,
|
||||
bytes32[] calldata /* tokenToEthReserveIds */,
|
||||
uint256[] calldata /* tokenToEthSplits */,
|
||||
address /* tokenDest */,
|
||||
TradeType /* EthToTokenType */,
|
||||
bytes32[] calldata /* EthToTokenReserveIds */,
|
||||
uint256[] calldata /* EthToTokenSplits */
|
||||
) external view returns (bytes memory hint)
|
||||
{
|
||||
return abi.encode(tokenSrc);
|
||||
}
|
||||
|
||||
// IKyberHintHandler
|
||||
function getTradingReserves(
|
||||
address tokenSrc,
|
||||
address tokenDest,
|
||||
bool isTokenToToken,
|
||||
bytes calldata hint
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (
|
||||
bytes32[] memory reserveIds,
|
||||
uint256[] memory splitValuesBps,
|
||||
ProcessWithRate processWithRate
|
||||
)
|
||||
{
|
||||
reserveIds = new bytes32[](1);
|
||||
reserveIds[0] = bytes32(uint256(1));
|
||||
splitValuesBps = new uint256[](0);
|
||||
processWithRate = ProcessWithRate.NotRequired;
|
||||
}
|
||||
|
||||
// Deterministic `IKyberNetworkProxy.getExpectedRateAfterFee()`.
|
||||
function getExpectedRateAfterFee(
|
||||
address fromToken,
|
||||
address toToken,
|
||||
uint256 /* srcQty */,
|
||||
uint256 /* fee */,
|
||||
bytes calldata /* hint */
|
||||
)
|
||||
external
|
||||
view
|
||||
returns
|
||||
(uint256 expectedRate)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
fromToken = fromToken == ETH_ADDRESS ? _getWethAddress() : fromToken;
|
||||
toToken = toToken == ETH_ADDRESS ? _getWethAddress() : toToken;
|
||||
expectedRate = LibDeterministicQuotes.getDeterministicRate(
|
||||
SALT,
|
||||
fromToken,
|
||||
toToken
|
||||
);
|
||||
}
|
||||
|
||||
// Deterministic `IKyberNetworkProxy.getExpectedRate()`.
|
||||
function getExpectedRate(
|
||||
address fromToken,
|
||||
address toToken,
|
||||
uint256
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (uint256 expectedRate, uint256)
|
||||
{
|
||||
_revertIfShouldFail();
|
||||
fromToken = fromToken == ETH_ADDRESS ? _getWethAddress() : fromToken;
|
||||
toToken = toToken == ETH_ADDRESS ? _getWethAddress() : toToken;
|
||||
expectedRate = LibDeterministicQuotes.getDeterministicRate(
|
||||
SALT,
|
||||
fromToken,
|
||||
toToken
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract TestERC20BridgeSamplerUniswapExchangeFactory is
|
||||
IUniswapExchangeFactory
|
||||
{
|
||||
mapping (address => IUniswapExchangeQuotes) private _exchangesByToken;
|
||||
|
||||
// Creates Uniswap exchange contracts for tokens.
|
||||
function createTokenExchanges(address[] calldata tokenAddresses)
|
||||
external
|
||||
{
|
||||
for (uint256 i = 0; i < tokenAddresses.length; i++) {
|
||||
address tokenAddress = tokenAddresses[i];
|
||||
_exchangesByToken[tokenAddress] =
|
||||
new TestERC20BridgeSamplerUniswapExchange(tokenAddress);
|
||||
}
|
||||
}
|
||||
|
||||
// `IUniswapExchangeFactory.getExchange()`.
|
||||
function getExchange(address tokenAddress)
|
||||
override
|
||||
external
|
||||
view
|
||||
returns (address)
|
||||
{
|
||||
return address(_exchangesByToken[tokenAddress]);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract TestERC20BridgeSampler is
|
||||
ERC20BridgeSampler,
|
||||
FailTrigger
|
||||
{
|
||||
TestERC20BridgeSamplerUniswapExchangeFactory public uniswap;
|
||||
TestERC20BridgeSamplerUniswapV2Router01 public uniswapV2Router;
|
||||
TestERC20BridgeSamplerKyberNetwork public kyber;
|
||||
|
||||
uint8 private constant MAX_ORDER_STATUS = uint8(IExchange.OrderStatus.CANCELLED) + 1;
|
||||
|
||||
constructor() public ERC20BridgeSampler() {
|
||||
uniswap = new TestERC20BridgeSamplerUniswapExchangeFactory();
|
||||
uniswapV2Router = new TestERC20BridgeSamplerUniswapV2Router01();
|
||||
kyber = new TestERC20BridgeSamplerKyberNetwork();
|
||||
}
|
||||
|
||||
// Creates Uniswap exchange contracts for tokens.
|
||||
function createTokenExchanges(address[] calldata tokenAddresses)
|
||||
external
|
||||
{
|
||||
uniswap.createTokenExchanges(tokenAddresses);
|
||||
}
|
||||
|
||||
// Overridden to return deterministic states.
|
||||
function getLimitOrderFillableTakerAmount(
|
||||
IExchange.LimitOrder memory order,
|
||||
IExchange.Signature memory,
|
||||
IExchange
|
||||
)
|
||||
override
|
||||
public
|
||||
view
|
||||
returns (uint256 fillableTakerAmount)
|
||||
{
|
||||
return uint256(keccak256(abi.encode(order.salt))) % order.takerAmount;
|
||||
}
|
||||
|
||||
// Overriden to return deterministic decimals.
|
||||
function _getTokenDecimals(address tokenAddress)
|
||||
override
|
||||
internal
|
||||
view
|
||||
returns (uint8 decimals)
|
||||
{
|
||||
return LibDeterministicQuotes.getDeterministicTokenDecimals(tokenAddress);
|
||||
}
|
||||
}
|
||||
@@ -1,135 +0,0 @@
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
|
||||
Copyright 2019 ZeroEx Intl.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
*/
|
||||
pragma solidity ^0.6;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import "../src/NativeOrderSampler.sol";
|
||||
import "../src/UtilitySampler.sol";
|
||||
|
||||
|
||||
contract TestNativeOrderSamplerToken {
|
||||
mapping (address => uint256) public balanceOf;
|
||||
mapping (address => mapping(address => uint256)) public allowance;
|
||||
|
||||
function setBalanceAndAllowance(
|
||||
address owner,
|
||||
address spender,
|
||||
uint256 balance,
|
||||
uint256 allowance_
|
||||
)
|
||||
external
|
||||
{
|
||||
balanceOf[owner] = balance;
|
||||
allowance[owner][spender] = allowance_;
|
||||
}
|
||||
}
|
||||
|
||||
contract TestNativeOrderSampler is
|
||||
NativeOrderSampler,
|
||||
UtilitySampler
|
||||
{
|
||||
uint8 private constant MAX_ORDER_STATUS = uint8(IExchange.OrderStatus.CANCELLED) + 1;
|
||||
bytes32 private constant VALID_SIGNATURE_HASH = bytes32(hex"01");
|
||||
|
||||
function createTokens(uint256 count)
|
||||
external
|
||||
returns (TestNativeOrderSamplerToken[] memory tokens)
|
||||
{
|
||||
tokens = new TestNativeOrderSamplerToken[](count);
|
||||
for (uint256 i = 0; i < count; ++i) {
|
||||
tokens[i] = new TestNativeOrderSamplerToken();
|
||||
}
|
||||
}
|
||||
|
||||
function setTokenBalanceAndAllowance(
|
||||
TestNativeOrderSamplerToken token,
|
||||
address owner,
|
||||
address spender,
|
||||
uint256 balance,
|
||||
uint256 allowance
|
||||
)
|
||||
external
|
||||
{
|
||||
token.setBalanceAndAllowance(owner, spender, balance, allowance);
|
||||
}
|
||||
|
||||
// IExchange.getLimitOrderRelevantState()
|
||||
function getLimitOrderRelevantState(
|
||||
IExchange.LimitOrder memory order,
|
||||
IExchange.Signature calldata signature
|
||||
)
|
||||
external
|
||||
view
|
||||
returns (
|
||||
IExchange.OrderInfo memory orderInfo,
|
||||
uint128 actualFillableTakerTokenAmount,
|
||||
bool isSignatureValid
|
||||
)
|
||||
{
|
||||
// The order salt determines everything.
|
||||
orderInfo.orderHash = keccak256(abi.encode(order.salt));
|
||||
if (uint8(order.salt) == 0xFF) {
|
||||
orderInfo.status = IExchange.OrderStatus.FILLED;
|
||||
} else {
|
||||
orderInfo.status = IExchange.OrderStatus.FILLABLE;
|
||||
}
|
||||
|
||||
isSignatureValid = signature.r == VALID_SIGNATURE_HASH;
|
||||
|
||||
// The expiration time is the filled taker asset amount.
|
||||
orderInfo.takerTokenFilledAmount = uint128(order.expiry);
|
||||
|
||||
// Calculate how much is fillable in maker terms given the filled taker amount
|
||||
uint256 fillableMakerTokenAmount = LibMathV06.getPartialAmountFloor(
|
||||
uint256(
|
||||
order.takerAmount
|
||||
- orderInfo.takerTokenFilledAmount
|
||||
),
|
||||
uint256(order.takerAmount),
|
||||
uint256(order.makerAmount)
|
||||
);
|
||||
|
||||
// Take the min of the balance/allowance and the fillable maker amount
|
||||
fillableMakerTokenAmount = LibSafeMathV06.min256(
|
||||
fillableMakerTokenAmount,
|
||||
_getSpendableERC20BalanceOf(order.makerToken, order.maker)
|
||||
);
|
||||
|
||||
// Convert to taker terms
|
||||
actualFillableTakerTokenAmount = LibMathV06.getPartialAmountCeil(
|
||||
fillableMakerTokenAmount,
|
||||
uint256(order.makerAmount),
|
||||
uint256(order.takerAmount)
|
||||
).safeDowncastToUint128();
|
||||
}
|
||||
|
||||
function _getSpendableERC20BalanceOf(
|
||||
IERC20TokenV06 token,
|
||||
address owner
|
||||
)
|
||||
internal
|
||||
view
|
||||
returns (uint256)
|
||||
{
|
||||
return LibSafeMathV06.min256(
|
||||
token.allowance(owner, address(this)),
|
||||
token.balanceOf(owner)
|
||||
);
|
||||
}
|
||||
}
|
||||
6
packages/asset-swapper/foundry.toml
Normal file
6
packages/asset-swapper/foundry.toml
Normal file
@@ -0,0 +1,6 @@
|
||||
[default]
|
||||
src = 'contracts/src'
|
||||
test = 'contracts/test'
|
||||
out = 'out'
|
||||
libs = ['contracts/lib']
|
||||
remappings = ['ds-test/=contracts/lib/ds-test/src/']
|
||||
@@ -39,7 +39,7 @@
|
||||
"config": {
|
||||
"publicInterfaceContracts": "ERC20BridgeSampler,BalanceChecker,FakeTaker",
|
||||
"abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually.",
|
||||
"abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|BalancerV2Sampler|BancorSampler|CompoundSampler|CurveSampler|DODOSampler|DODOV2Sampler|DummyLiquidityProvider|ERC20BridgeSampler|FakeTaker|IBalancer|IBancor|ICurve|IKyberNetwork|IMStable|IMooniswap|IMultiBridge|IShell|ISmoothy|IUniswapExchangeQuotes|IUniswapV2Router01|KyberDmmSampler|KyberSampler|LidoSampler|LiquidityProviderSampler|MStableSampler|MakerPSMSampler|MooniswapSampler|MultiBridgeSampler|NativeOrderSampler|SamplerBase|SamplerUtils|ShellSampler|SmoothySampler|TestERC20BridgeSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler|UniswapV3Sampler|UtilitySampler).json",
|
||||
"abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|BalancerV2Sampler|BancorSampler|CompoundSampler|CurveSampler|DODOSampler|DODOV2Sampler|DummyLiquidityProvider|ERC20BridgeSampler|FakeTaker|IBalancer|IBancor|ICurve|IERC20TokenV06|IKyberNetwork|ILiquidityProvider|IMStable|IMooniswap|IMultiBridge|IShell|ISmoothy|IUniswapExchangeQuotes|IUniswapV2Router01|KyberDmmSampler|KyberSampler|LibBytes|LibSafeMath|LidoSampler|LiquidityProviderSampler|MStableSampler|MakerPSMSampler|MooniswapSampler|MultiBridgeSampler|NativeOrderSampler|SamplerBase|SamplerUtils|ShellSampler|SmoothySampler|TestERC20BridgeSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler|UniswapV3Sampler|UtilitySampler).json",
|
||||
"postpublish": {
|
||||
"assets": []
|
||||
}
|
||||
|
||||
@@ -20,7 +20,9 @@ import * as FakeTaker from '../test/generated-artifacts/FakeTaker.json';
|
||||
import * as IBalancer from '../test/generated-artifacts/IBalancer.json';
|
||||
import * as IBancor from '../test/generated-artifacts/IBancor.json';
|
||||
import * as ICurve from '../test/generated-artifacts/ICurve.json';
|
||||
import * as IERC20TokenV06 from '../test/generated-artifacts/IERC20TokenV06.json';
|
||||
import * as IKyberNetwork from '../test/generated-artifacts/IKyberNetwork.json';
|
||||
import * as ILiquidityProvider from '../test/generated-artifacts/ILiquidityProvider.json';
|
||||
import * as IMooniswap from '../test/generated-artifacts/IMooniswap.json';
|
||||
import * as IMStable from '../test/generated-artifacts/IMStable.json';
|
||||
import * as IMultiBridge from '../test/generated-artifacts/IMultiBridge.json';
|
||||
@@ -30,6 +32,8 @@ import * as IUniswapExchangeQuotes from '../test/generated-artifacts/IUniswapExc
|
||||
import * as IUniswapV2Router01 from '../test/generated-artifacts/IUniswapV2Router01.json';
|
||||
import * as KyberDmmSampler from '../test/generated-artifacts/KyberDmmSampler.json';
|
||||
import * as KyberSampler from '../test/generated-artifacts/KyberSampler.json';
|
||||
import * as LibBytes from '../test/generated-artifacts/LibBytes.json';
|
||||
import * as LibSafeMath from '../test/generated-artifacts/LibSafeMath.json';
|
||||
import * as LidoSampler from '../test/generated-artifacts/LidoSampler.json';
|
||||
import * as LiquidityProviderSampler from '../test/generated-artifacts/LiquidityProviderSampler.json';
|
||||
import * as MakerPSMSampler from '../test/generated-artifacts/MakerPSMSampler.json';
|
||||
@@ -62,6 +66,8 @@ export const artifacts = {
|
||||
FakeTaker: FakeTaker as ContractArtifact,
|
||||
KyberDmmSampler: KyberDmmSampler as ContractArtifact,
|
||||
KyberSampler: KyberSampler as ContractArtifact,
|
||||
LibBytes: LibBytes as ContractArtifact,
|
||||
LibSafeMath: LibSafeMath as ContractArtifact,
|
||||
LidoSampler: LidoSampler as ContractArtifact,
|
||||
LiquidityProviderSampler: LiquidityProviderSampler as ContractArtifact,
|
||||
MStableSampler: MStableSampler as ContractArtifact,
|
||||
@@ -81,7 +87,9 @@ export const artifacts = {
|
||||
IBalancer: IBalancer as ContractArtifact,
|
||||
IBancor: IBancor as ContractArtifact,
|
||||
ICurve: ICurve as ContractArtifact,
|
||||
IERC20TokenV06: IERC20TokenV06 as ContractArtifact,
|
||||
IKyberNetwork: IKyberNetwork as ContractArtifact,
|
||||
ILiquidityProvider: ILiquidityProvider as ContractArtifact,
|
||||
IMStable: IMStable as ContractArtifact,
|
||||
IMooniswap: IMooniswap as ContractArtifact,
|
||||
IMultiBridge: IMultiBridge as ContractArtifact,
|
||||
|
||||
@@ -18,7 +18,9 @@ export * from '../test/generated-wrappers/fake_taker';
|
||||
export * from '../test/generated-wrappers/i_balancer';
|
||||
export * from '../test/generated-wrappers/i_bancor';
|
||||
export * from '../test/generated-wrappers/i_curve';
|
||||
export * from '../test/generated-wrappers/i_erc20_token_v06';
|
||||
export * from '../test/generated-wrappers/i_kyber_network';
|
||||
export * from '../test/generated-wrappers/i_liquidity_provider';
|
||||
export * from '../test/generated-wrappers/i_m_stable';
|
||||
export * from '../test/generated-wrappers/i_mooniswap';
|
||||
export * from '../test/generated-wrappers/i_multi_bridge';
|
||||
@@ -28,6 +30,8 @@ export * from '../test/generated-wrappers/i_uniswap_exchange_quotes';
|
||||
export * from '../test/generated-wrappers/i_uniswap_v2_router01';
|
||||
export * from '../test/generated-wrappers/kyber_dmm_sampler';
|
||||
export * from '../test/generated-wrappers/kyber_sampler';
|
||||
export * from '../test/generated-wrappers/lib_bytes';
|
||||
export * from '../test/generated-wrappers/lib_safe_math';
|
||||
export * from '../test/generated-wrappers/lido_sampler';
|
||||
export * from '../test/generated-wrappers/liquidity_provider_sampler';
|
||||
export * from '../test/generated-wrappers/m_stable_sampler';
|
||||
|
||||
@@ -21,7 +21,9 @@
|
||||
"test/generated-artifacts/IBalancer.json",
|
||||
"test/generated-artifacts/IBancor.json",
|
||||
"test/generated-artifacts/ICurve.json",
|
||||
"test/generated-artifacts/IERC20TokenV06.json",
|
||||
"test/generated-artifacts/IKyberNetwork.json",
|
||||
"test/generated-artifacts/ILiquidityProvider.json",
|
||||
"test/generated-artifacts/IMStable.json",
|
||||
"test/generated-artifacts/IMooniswap.json",
|
||||
"test/generated-artifacts/IMultiBridge.json",
|
||||
@@ -31,6 +33,8 @@
|
||||
"test/generated-artifacts/IUniswapV2Router01.json",
|
||||
"test/generated-artifacts/KyberDmmSampler.json",
|
||||
"test/generated-artifacts/KyberSampler.json",
|
||||
"test/generated-artifacts/LibBytes.json",
|
||||
"test/generated-artifacts/LibSafeMath.json",
|
||||
"test/generated-artifacts/LidoSampler.json",
|
||||
"test/generated-artifacts/LiquidityProviderSampler.json",
|
||||
"test/generated-artifacts/MStableSampler.json",
|
||||
|
||||
Reference in New Issue
Block a user