Compare commits

..

11 Commits

Author SHA1 Message Date
Github Actions
15a508f3ea Publish
- @0x/contracts-integrations@2.7.17
 - @0x/contracts-zero-ex@0.14.0
 - @0x/asset-swapper@5.5.1
 - @0x/contract-wrappers-test@12.2.30
 - @0x/migrations@6.5.6
 - @0x/protocol-utils@1.1.0
2020-12-16 20:09:57 +00:00
Github Actions
b3c20ff909 Updated CHANGELOGS & MD docs 2020-12-16 20:09:48 +00:00
Lawrence Forman
682c07cb73 Add mtx tooling to @0x/protocol-utils (#90)
* `@0x/contracts-zero-ex`: Use the `MetaTransaction` class from `@0x/protocol-utils` in tests.

* `@0x/protocol-utils`: Add the `MetaTransaction` class for EP mtxs + refactors

* update changelogs

* `@0x/protocol-utils`: Add mtx tests

* `@0x/protocol-utils`: Rename `mtx.ts` to `meta_transactions.ts` and misc review feedback

Co-authored-by: Lawrence Forman <me@merklejerk.com>
2020-12-16 14:22:00 -05:00
Jacob Evans
602605ab4b Disable Bancor Service for non-mainnet (#89)
* Disable Bancor Service for non-mainnet

* Fix import

* Fix mocked tests
2020-12-16 21:58:39 +10:00
Github Actions
0eff2548d5 Publish
- @0x/contracts-asset-proxy@3.7.0
 - @0x/contracts-broker@1.1.18
 - @0x/contracts-coordinator@3.1.19
 - @0x/contracts-dev-utils@1.3.17
 - @0x/contracts-exchange-forwarder@4.2.19
 - @0x/contracts-exchange@3.2.19
 - @0x/contracts-extensions@6.2.13
 - @0x/contracts-integrations@2.7.16
 - @0x/contracts-multisig@4.1.19
 - @0x/contracts-staking@2.0.26
 - @0x/contracts-zero-ex@0.13.0
 - @0x/asset-swapper@5.5.0
 - @0x/contract-wrappers-test@12.2.29
 - @0x/migrations@6.5.5
2020-12-16 08:03:31 +00:00
Github Actions
93ee681204 Updated CHANGELOGS & MD docs 2020-12-16 08:03:25 +00:00
Jacob Evans
d7bea98075 fix: [asset-swapper] Rework Bancor to only use paths and sample best path (#88)
* Rework Bancor to only use paths and sample best path

* Deployed address

* Clean up and pin bancor sdk

* CHANGELOGs
2020-12-16 17:34:47 +10:00
Lawrence Forman
437a3b048d EP: Address audit feedback (#82)
* `@0x/contracts-zero-ex`: Address audit feedback (1/2)

* `@0x/contracts-zero-ex`: Cap the ETH transfer amount to a liquidity provider to `msg.value`

* `@0x/contracts-zero-ex`: Bump feature contract versions

* `@0x/contracts-zero-ex`: Always transfer msg.value to the liqudity provider in LiquiidityProviderFeature

* Remove PLP backwards-compatibility (#85)

* Remove backwards-compatibility from MixinZeroExBridge and LiquidityProviderSandbox

* `@0x/contracts-zero-ex`: Update CHANGELOG

Co-authored-by: Lawrence Forman <me@merklejerk.com>

Co-authored-by: Lawrence Forman <me@merklejerk.com>
Co-authored-by: mzhu25 <mchl.zhu.96@gmail.com>
2020-12-16 01:37:39 -05:00
Daniel Pyrathon
f55a9454b5 fix: Fix quote report (#87)
* updates market side liquidity with the appropriate firm and indicative quotes for reporting

* linting and fixing

* linting and fixing
2020-12-15 16:57:54 -08:00
Daniel Pyrathon
3b03ad0db4 fix: added SRA schema for V4 orders (#86)
* added SRA schema for V4 orders

* address comments
2020-12-14 17:39:42 -08:00
mzhu25
27d679e1f1 Rollback CLI tools (#79)
* Rollback CLI tools

* Refactor

* Address PR feedback

* Sort deployment history

* Rollback specific deployment

* Split calldata
2020-12-10 19:42:00 -08:00
78 changed files with 1641 additions and 649 deletions

View File

@@ -1,4 +1,14 @@
[
{
"version": "3.7.0",
"changes": [
{
"note": "Fix Bancor support of ETH",
"pr": 88
}
],
"timestamp": 1608105788
},
{
"timestamp": 1607485227,
"version": "3.6.9",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v3.7.0 - _December 16, 2020_
* Fix Bancor support of ETH (#88)
## v3.6.9 - _December 9, 2020_
* Dependencies updated

View File

@@ -21,6 +21,7 @@ pragma solidity ^0.5.9;
pragma experimental ABIEncoderV2;
import "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol";
import "@0x/contracts-erc20/contracts/src/interfaces/IEtherToken.sol";
import "@0x/contracts-erc20/contracts/src/LibERC20Token.sol";
import "@0x/contracts-exchange-libs/contracts/src/IWallet.sol";
import "@0x/contracts-utils/contracts/src/DeploymentConstants.sol";
@@ -36,6 +37,20 @@ contract BancorBridge is
struct TransferState {
address bancorNetworkAddress;
address[] path;
IEtherToken weth;
}
/// @dev Bancor ETH pseudo-address.
address constant public BANCOR_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
// solhint-disable no-empty-blocks
/// @dev Payable fallback to receive ETH from Bancor/WETH.
function ()
external
payable
{
// Poor man's receive in 0.5.9
require(msg.data.length == 0);
}
/// @dev Callback for `IERC20Bridge`. Tries to buy `amount` of
@@ -60,7 +75,6 @@ contract BancorBridge is
{
// hold variables to get around stack depth limitations
TransferState memory state;
// Decode the bridge data.
(
state.path,
@@ -68,34 +82,42 @@ contract BancorBridge is
// solhint-disable indent
) = abi.decode(bridgeData, (address[], address));
// solhint-enable indent
state.weth = IEtherToken(_getWethAddress());
require(state.path.length > 0, "BancorBridge/PATH_MUST_EXIST");
// Just transfer the tokens if they're the same.
if (state.path[0] == toTokenAddress) {
LibERC20Token.transfer(state.path[0], to, amount);
return BRIDGE_SUCCESS;
require(state.path.length >= 2, "BancorBridge/PATH_LENGTH_MUST_BE_GREATER_THAN_TWO");
// Grant an allowance to the Bancor Network to spend `fromTokenAddress` token.
uint256 fromTokenBalance;
uint256 payableAmount = 0;
// If it's ETH in the path then withdraw from WETH
// The Bancor path will have ETH as the 0xeee address
// Bancor expects to be paid in ETH not WETH
if (state.path[0] == BANCOR_ETH_ADDRESS) {
fromTokenBalance = state.weth.balanceOf(address(this));
state.weth.withdraw(fromTokenBalance);
payableAmount = fromTokenBalance;
} else {
fromTokenBalance = IERC20Token(state.path[0]).balanceOf(address(this));
LibERC20Token.approveIfBelow(state.path[0], state.bancorNetworkAddress, fromTokenBalance);
}
// Otherwise use Bancor to convert
require(state.path.length > 2, "BancorBridge/PATH_LENGTH_MUST_BE_GREATER_THAN_TWO");
require(state.path[state.path.length - 1] == toTokenAddress, "BancorBridge/LAST_ELEMENT_OF_PATH_MUST_MATCH_OUTPUT_TOKEN");
// // Grant an allowance to the Bancor Network to spend `fromTokenAddress` token.
uint256 fromTokenBalance = IERC20Token(state.path[0]).balanceOf(address(this));
LibERC20Token.approveIfBelow(state.path[0], state.bancorNetworkAddress, fromTokenBalance);
// Convert the tokens
uint256 boughtAmount = IBancorNetwork(state.bancorNetworkAddress).convertByPath(
uint256 boughtAmount = IBancorNetwork(state.bancorNetworkAddress).convertByPath.value(payableAmount)(
state.path, // path originating with source token and terminating in destination token
fromTokenBalance, // amount of source token to trade
amount, // minimum amount of destination token expected to receive
to, // beneficiary
state.path[state.path.length-1] == BANCOR_ETH_ADDRESS ? address(this) : to, // beneficiary
address(0), // affiliateAccount; no fee paid
0 // affiliateFee; no fee paid
);
if (state.path[state.path.length-1] == BANCOR_ETH_ADDRESS) {
state.weth.deposit.value(boughtAmount)();
state.weth.transfer(to, boughtAmount);
}
emit ERC20BridgeTransfer(
state.path[0], // fromTokenAddress
state.path[0] == BANCOR_ETH_ADDRESS ? address(state.weth) : state.path[0],
toTokenAddress,
fromTokenBalance,
boughtAmount,
@@ -118,5 +140,5 @@ contract BancorBridge is
{
return LEGACY_WALLET_MAGIC_VALUE;
}
}

View File

@@ -56,11 +56,14 @@ contract KyberBridge is
uint256 constant private KYBER_RATE_BASE = 10 ** 18;
// solhint-disable no-empty-blocks
/// @dev Payable fallback to receive ETH from Kyber.
/// @dev Payable fallback to receive ETH from Kyber/WETH.
function ()
external
payable
{}
{
// Poor man's receive in 0.5.9
require(msg.data.length == 0);
}
/// @dev Callback for `IKyberBridge`. Tries to buy `amount` of
/// `toTokenAddress` tokens by selling the entirety of the opposing asset

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-asset-proxy",
"version": "3.6.9",
"version": "3.7.0",
"engines": {
"node": ">=6.12"
},

View File

@@ -12,13 +12,11 @@ import { DecodedLogs } from 'ethereum-types';
import * as _ from 'lodash';
import { artifacts } from './artifacts';
import { TestBancorBridgeContract } from './generated-wrappers/test_bancor_bridge';
import {
TestBancorBridgeConvertByPathInputEventArgs as ConvertByPathArgs,
TestBancorBridgeEvents as ContractEvents,
TestBancorBridgeTokenApproveEventArgs as TokenApproveArgs,
TestBancorBridgeTokenTransferEventArgs as TokenTransferArgs,
} from './wrappers';
blockchainTests.resets('Bancor unit tests', env => {
@@ -128,24 +126,6 @@ blockchainTests.resets('Bancor unit tests', env => {
expect(result).to.eq(AssetProxyId.ERC20Bridge);
});
it('performs transfer when both tokens are the same', async () => {
const createTokenFn = testContract.createToken(constants.NULL_ADDRESS);
const tokenAddress = await createTokenFn.callAsync();
await createTokenFn.awaitTransactionSuccessAsync();
const { opts, result, logs } = await transferFromAsync({
tokenAddressesPath: [tokenAddress, tokenAddress],
});
expect(result).to.eq(AssetProxyId.ERC20Bridge, 'asset proxy id');
const transfers = filterLogsToArguments<TokenTransferArgs>(logs, ContractEvents.TokenTransfer);
expect(transfers.length).to.eq(1);
expect(transfers[0].token).to.eq(tokenAddress, 'input token address');
expect(transfers[0].from).to.eq(testContract.address);
expect(transfers[0].to).to.eq(opts.toAddress, 'recipient address');
expect(transfers[0].amount).to.bignumber.eq(opts.amount, 'amount');
});
describe('token -> token', async () => {
it('calls BancorNetwork.convertByPath()', async () => {
const { opts, result, logs } = await transferFromAsync();

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "1.1.18",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "1.1.17",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v1.1.18 - _December 16, 2020_
* Dependencies updated
## v1.1.17 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-broker",
"version": "1.1.17",
"version": "1.1.18",
"engines": {
"node": ">=6.12"
},
@@ -52,10 +52,10 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "3.1.19",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "3.1.18",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v3.1.19 - _December 16, 2020_
* Dependencies updated
## v3.1.18 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-coordinator",
"version": "3.1.18",
"version": "3.1.19",
"engines": {
"node": ">=6.12"
},
@@ -53,8 +53,8 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-gen": "^2.0.24",
"@0x/dev-utils": "^4.1.3",
@@ -85,7 +85,7 @@
"@0x/assert": "^3.0.19",
"@0x/base-contract": "^6.2.14",
"@0x/contract-addresses": "^5.6.0",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/contracts-utils": "^4.6.3",
"@0x/json-schemas": "^5.3.4",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "1.3.17",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "1.3.16",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v1.3.17 - _December 16, 2020_
* Dependencies updated
## v1.3.16 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-dev-utils",
"version": "1.3.16",
"version": "1.3.17",
"engines": {
"node": ">=6.12"
},
@@ -43,7 +43,7 @@
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/assert": "^3.0.19",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "4.2.19",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "4.2.18",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v4.2.19 - _December 16, 2020_
* Dependencies updated
## v4.2.18 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-exchange-forwarder",
"version": "4.2.18",
"version": "4.2.19",
"engines": {
"node": ">=6.12"
},
@@ -53,12 +53,12 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc1155": "^2.1.18",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "3.2.19",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "3.2.18",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v3.2.19 - _December 16, 2020_
* Dependencies updated
## v3.2.18 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-exchange",
"version": "3.2.18",
"version": "3.2.19",
"engines": {
"node": ">=6.12"
},
@@ -53,11 +53,11 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-multisig": "^4.1.18",
"@0x/contracts-staking": "^2.0.25",
"@0x/contracts-multisig": "^4.1.19",
"@0x/contracts-staking": "^2.0.26",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/contracts-utils": "^4.6.3",
"@0x/dev-utils": "^4.1.3",
@@ -89,7 +89,7 @@
},
"dependencies": {
"@0x/base-contract": "^6.2.14",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc1155": "^2.1.18",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "6.2.13",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "6.2.12",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v6.2.13 - _December 16, 2020_
* Dependencies updated
## v6.2.12 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-extensions",
"version": "6.2.12",
"version": "6.2.13",
"engines": {
"node": ">=6.12"
},
@@ -53,11 +53,11 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-utils": "^4.6.3",

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-integrations",
"version": "2.7.15",
"version": "2.7.17",
"private": true,
"engines": {
"node": ">=6.12"
@@ -55,19 +55,19 @@
"@0x/abi-gen": "^5.4.13",
"@0x/contract-addresses": "^5.6.0",
"@0x/contract-wrappers": "^13.11.0",
"@0x/contracts-broker": "^1.1.17",
"@0x/contracts-coordinator": "^3.1.18",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-exchange-forwarder": "^4.2.18",
"@0x/contracts-broker": "^1.1.18",
"@0x/contracts-coordinator": "^3.1.19",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-exchange-forwarder": "^4.2.19",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-extensions": "^6.2.12",
"@0x/contracts-extensions": "^6.2.13",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-utils": "^4.6.3",
"@0x/coordinator-server": "^1.0.5",
"@0x/dev-utils": "^4.1.3",
"@0x/migrations": "^6.5.4",
"@0x/migrations": "^6.5.6",
"@0x/order-utils": "^10.4.10",
"@0x/protocol-utils": "^1.0.1",
"@0x/protocol-utils": "^1.1.0",
"@0x/sol-compiler": "^4.4.1",
"@0x/tslint-config": "^4.1.3",
"@0x/web3-wrapper": "^7.3.0",
@@ -93,17 +93,17 @@
"typescript": "3.0.1"
},
"dependencies": {
"@0x/asset-swapper": "^5.4.2",
"@0x/asset-swapper": "^5.5.1",
"@0x/base-contract": "^6.2.14",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-erc1155": "^2.1.18",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-multisig": "^4.1.18",
"@0x/contracts-staking": "^2.0.25",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-multisig": "^4.1.19",
"@0x/contracts-staking": "^2.0.26",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/contracts-zero-ex": "^0.12.0",
"@0x/contracts-zero-ex": "^0.14.0",
"@0x/subproviders": "^6.2.3",
"@0x/types": "^3.3.1",
"@0x/typescript-typings": "^5.1.6",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "4.1.19",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "4.1.18",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v4.1.19 - _December 16, 2020_
* Dependencies updated
## v4.1.18 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-multisig",
"version": "4.1.18",
"version": "4.1.19",
"engines": {
"node": ">=6.12"
},
@@ -50,7 +50,7 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/multisig",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",

View File

@@ -1,4 +1,13 @@
[
{
"timestamp": 1608105788,
"version": "2.0.26",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "2.0.25",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v2.0.26 - _December 16, 2020_
* Dependencies updated
## v2.0.25 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-staking",
"version": "2.0.25",
"version": "2.0.26",
"engines": {
"node": ">=6.12"
},
@@ -54,8 +54,8 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",

View File

@@ -8,3 +8,4 @@
# Blacklist tests in lib
/lib/test/*
# Package specific ignore
/lib/scripts/*

View File

@@ -1,4 +1,32 @@
[
{
"version": "0.14.0",
"changes": [
{
"note": "Use the `MetaTransaction` class from `@0x/protocol-utils` in tests.",
"pr": 90
}
],
"timestamp": 1608149382
},
{
"version": "0.13.0",
"changes": [
{
"note": "Address audit feedback in UniswapFeature",
"pr": 82
},
{
"note": "Always transfer `msg.value` to the liquidity provider contract in LiquidityProviderFeature to",
"pr": 82
},
{
"note": "Remove backwards compatibility with old PLP/bridge interface in `LiquidityProviderFeature` and `MixinZeroExBridge`",
"pr": 85
}
],
"timestamp": 1608105788
},
{
"version": "0.12.0",
"changes": [

View File

@@ -5,6 +5,16 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v0.14.0 - _December 16, 2020_
* Use the `MetaTransaction` class from `@0x/protocol-utils` in tests. (#90)
## v0.13.0 - _December 16, 2020_
* Address audit feedback in UniswapFeature (#82)
* Always transfer `msg.value` to the liquidity provider contract in LiquidityProviderFeature to (#82)
* Remove backwards compatibility with old PLP/bridge interface in `LiquidityProviderFeature` and `MixinZeroExBridge` (#85)
## v0.12.0 - _December 9, 2020_
* Add test for selector collisions on the proxy (#74)

View File

@@ -57,7 +57,6 @@ contract FeeCollector is AuthorizableV06 {
external
onlyAuthorized
{
// Leave 1 wei behind to avoid expensive zero-->non-zero state change.
if (address(this).balance > 0) {
weth.deposit{value: address(this).balance}();
}

View File

@@ -68,21 +68,13 @@ contract LiquidityProviderSandbox is
onlyOwner
override
{
try ILiquidityProvider(provider).sellTokenForToken(
ILiquidityProvider(provider).sellTokenForToken(
inputToken,
outputToken,
recipient,
minBuyAmount,
auxiliaryData
) {} catch {
IERC20Bridge(provider).bridgeTransferFrom(
outputToken,
provider,
recipient,
minBuyAmount,
auxiliaryData
);
}
);
}
/// @dev Calls `sellEthForToken` on the given `provider` contract to

View File

@@ -44,7 +44,7 @@ contract LiquidityProviderFeature is
/// @dev Name of this feature.
string public constant override FEATURE_NAME = "LiquidityProviderFeature";
/// @dev Version of this feature.
uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 0, 1);
uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 0, 2);
/// @dev ETH pseudo-token address.
address constant internal ETH_TOKEN_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
@@ -111,9 +111,13 @@ contract LiquidityProviderFeature is
recipient = msg.sender;
}
if (inputToken == ETH_TOKEN_ADDRESS) {
provider.transfer(sellAmount);
} else {
// Forward all attached ETH to the provider.
if (msg.value > 0) {
provider.transfer(msg.value);
}
if (inputToken != ETH_TOKEN_ADDRESS) {
// Transfer input ERC20 tokens to the provider.
_transferERC20Tokens(
IERC20TokenV06(inputToken),
msg.sender,

View File

@@ -37,7 +37,7 @@ contract UniswapFeature is
/// @dev Name of this feature.
string public constant override FEATURE_NAME = "UniswapFeature";
/// @dev Version of this feature.
uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 1, 0);
uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 1, 1);
/// @dev A bloom filter for tokens that consume all gas when `transferFrom()` fails.
bytes32 public immutable GREEDY_TOKENS_BLOOM_FILTER;
/// @dev WETH contract.
@@ -167,8 +167,13 @@ contract UniswapFeature is
}
if iszero(i) {
// This is the first token in the path.
switch eq(sellToken, ETH_TOKEN_ADDRESS_32)
case 0 { // Not selling ETH. Selling an ERC20 instead.
// Make sure ETH was not attached to the call.
if gt(callvalue(), 0) {
revert(0, 0)
}
// For the first pair we need to transfer sellTokens into the
// pair contract.
moveTakerTokensTo(sellToken, pair, sellAmount)
@@ -203,6 +208,10 @@ contract UniswapFeature is
if iszero(staticcall(gas(), pair, 0xB00, 0x4, 0xC00, 0x40)) {
bubbleRevert()
}
// Revert if the pair contract does not return two words.
if iszero(eq(returndatasize(), 0x40)) {
revert(0,0)
}
// Sell amount for this hop is the previous buy amount.
let pairSellAmount := buyAmount
@@ -374,11 +383,15 @@ contract UniswapFeature is
mstore(0xB00, ALLOWANCE_CALL_SELECTOR_32)
mstore(0xB04, caller())
mstore(0xB24, address())
let success := call(gas(), token, 0, 0xB00, 0x44, 0xC00, 0x20)
let success := staticcall(gas(), token, 0xB00, 0x44, 0xC00, 0x20)
if iszero(success) {
// Call to allowance() failed.
bubbleRevert()
}
// Make sure the allowance call returned a single word.
if iszero(eq(returndatasize(), 0x20)) {
revert(0, 0)
}
// Call succeeded.
// Result is stored in 0xC00-0xC20.
if lt(mload(0xC00), amount) {
@@ -397,8 +410,6 @@ contract UniswapFeature is
mstore(0xB44, amount)
let success := call(
// Cap the gas limit to prvent all gas being consumed
// if the token reverts.
gas(),
token,
0,

View File

@@ -22,7 +22,6 @@ import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
import "../../../vendor/ILiquidityProvider.sol";
import "../../../vendor/v3/IERC20Bridge.sol";
contract MixinZeroExBridge {
@@ -61,32 +60,20 @@ contract MixinZeroExBridge {
bridgeAddress,
sellAmount
);
try ILiquidityProvider(bridgeAddress).sellTokenForToken(
address(sellToken),
address(buyToken),
address(this), // recipient
1, // minBuyAmount
bridgeData
) returns (uint256 _boughtAmount) {
boughtAmount = _boughtAmount;
emit ERC20BridgeTransfer(
sellToken,
buyToken,
sellAmount,
boughtAmount,
bridgeAddress,
address(this)
);
} catch {
uint256 balanceBefore = buyToken.balanceOf(address(this));
IERC20Bridge(bridgeAddress).bridgeTransferFrom(
address(buyToken),
bridgeAddress,
address(this), // recipient
1, // minBuyAmount
bridgeData
);
boughtAmount = buyToken.balanceOf(address(this)).safeSub(balanceBefore);
}
boughtAmount = ILiquidityProvider(bridgeAddress).sellTokenForToken(
address(sellToken),
address(buyToken),
address(this), // recipient
1, // minBuyAmount
bridgeData
);
emit ERC20BridgeTransfer(
sellToken,
buyToken,
sellAmount,
boughtAmount,
bridgeAddress,
address(this)
);
}
}

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contracts-zero-ex",
"version": "0.12.0",
"version": "0.14.0",
"engines": {
"node": ">=6.12"
},
@@ -37,7 +37,8 @@
"compile:truffle": "truffle compile",
"docs:md": "ts-doc-gen --sourceDir='$PROJECT_FILES' --output=$MD_FILE_DIR --fileExtension=mdx --tsconfig=./typedoc-tsconfig.json",
"docs:json": "typedoc --excludePrivate --excludeExternals --excludeProtected --ignoreCompilerErrors --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES",
"publish:private": "yarn build && gitpkg publish"
"publish:private": "yarn build && gitpkg publish",
"rollback": "node ./lib/scripts/rollback.js"
},
"config": {
"publicInterfaceContracts": "IZeroEx,ZeroEx,FullMigration,InitialMigration,IFlashWallet,IAllowanceTarget,IERC20Transformer,IOwnableFeature,ISimpleFunctionRegistryFeature,ITokenSpenderFeature,ITransformERC20Feature,FillQuoteTransformer,PayTakerTransformer,WethTransformer,OwnableFeature,SimpleFunctionRegistryFeature,TransformERC20Feature,TokenSpenderFeature,AffiliateFeeTransformer,SignatureValidatorFeature,MetaTransactionsFeature,LogMetadataTransformer,BridgeAdapter,LiquidityProviderFeature,ILiquidityProviderFeature,NativeOrdersFeature,INativeOrdersFeature,FeeCollectorController,FeeCollector",
@@ -55,18 +56,24 @@
"homepage": "https://github.com/0xProject/protocol/tree/main/contracts/zero-ex",
"devDependencies": {
"@0x/abi-gen": "^5.4.13",
"@0x/contract-addresses": "^5.6.0",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/dev-utils": "^4.1.3",
"@0x/order-utils": "^10.4.10",
"@0x/sol-compiler": "^4.4.1",
"@0x/ts-doc-gen": "^0.0.28",
"@0x/tslint-config": "^4.1.3",
"@types/isomorphic-fetch": "^0.0.35",
"@types/lodash": "4.14.104",
"@types/mocha": "^5.2.7",
"@types/prompts": "^2.0.9",
"isomorphic-fetch": "^3.0.0",
"lodash": "^4.17.11",
"mocha": "^6.2.0",
"npm-run-all": "^4.1.2",
"prompts": "^2.4.0",
"shx": "^0.2.2",
"solhint": "^1.4.1",
"truffle": "^5.0.32",
@@ -76,8 +83,7 @@
},
"dependencies": {
"@0x/base-contract": "^6.2.14",
"@0x/order-utils": "^10.4.10",
"@0x/protocol-utils": "^1.0.1",
"@0x/protocol-utils": "^1.1.0",
"@0x/subproviders": "^6.2.3",
"@0x/types": "^3.3.1",
"@0x/typescript-typings": "^5.1.6",

View File

@@ -0,0 +1,420 @@
import { getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
import { constants } from '@0x/contracts-test-utils';
import { RPCSubprovider, SupportedProvider, Web3ProviderEngine } from '@0x/subproviders';
import { AbiEncoder, BigNumber, logUtils, providerUtils } from '@0x/utils';
import { Web3Wrapper } from '@0x/web3-wrapper';
import { MethodAbi } from 'ethereum-types';
import * as fetch from 'isomorphic-fetch';
import * as _ from 'lodash';
import * as prompts from 'prompts';
import * as wrappers from '../src/wrappers';
const SUBGRAPH_URL = 'https://api.thegraph.com/subgraphs/name/mzhu25/zeroex-migrations';
const ownableFeature = new wrappers.OwnableFeatureContract(constants.NULL_ADDRESS, new Web3ProviderEngine());
const simpleFunctionRegistryFeature = new wrappers.SimpleFunctionRegistryFeatureContract(
constants.NULL_ADDRESS,
new Web3ProviderEngine(),
);
const DO_NOT_ROLLBACK = [
ownableFeature.getSelector('migrate'),
ownableFeature.getSelector('transferOwnership'),
simpleFunctionRegistryFeature.getSelector('rollback'),
simpleFunctionRegistryFeature.getSelector('extend'),
];
const governorEncoder = AbiEncoder.create('(bytes[], address[], uint256[])');
const selectorToSignature: { [selector: string]: string } = {};
for (const wrapper of Object.values(wrappers)) {
if (typeof wrapper === 'function') {
const contract = new wrapper(constants.NULL_ADDRESS, new Web3ProviderEngine());
contract.abi
.filter(abiDef => abiDef.type === 'function')
.map(method => {
const methodName = (method as MethodAbi).name;
const selector = contract.getSelector(methodName);
const signature = contract.getFunctionSignature(methodName);
selectorToSignature[selector] = signature;
});
}
}
interface ProxyFunctionEntity {
id: string;
currentImpl: string;
fullHistory: Array<{ impl: string; timestamp: string }>;
}
interface Deployment {
time: string;
updates: Array<{ selector: string; signature?: string; previousImpl: string; newImpl: string }>;
}
async function querySubgraphAsync(): Promise<ProxyFunctionEntity[]> {
const query = `
{
proxyFunctions {
id
currentImpl
fullHistory {
impl
timestamp
}
}
}
`;
const response = await fetch(SUBGRAPH_URL, {
method: 'POST',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify({
query,
}),
});
const {
data: { proxyFunctions },
} = await response.json();
// Sort the history in chronological order
proxyFunctions.map((fn: ProxyFunctionEntity) =>
fn.fullHistory.sort((a, b) => Number.parseInt(a.timestamp, 10) - Number.parseInt(b.timestamp, 10)),
);
return proxyFunctions;
}
function reconstructDeployments(proxyFunctions: ProxyFunctionEntity[]): Deployment[] {
const deploymentsByTimestamp: { [timestamp: string]: Deployment } = {};
proxyFunctions.map(fn => {
fn.fullHistory.map((update, i) => {
const { updates } = (deploymentsByTimestamp[update.timestamp] = deploymentsByTimestamp[
update.timestamp
] || { time: timestampToUTC(update.timestamp), updates: [] });
updates.push({
selector: fn.id,
signature: selectorToSignature[fn.id],
previousImpl: i > 0 ? fn.fullHistory[i - 1].impl : constants.NULL_ADDRESS,
newImpl: update.impl,
});
});
});
return Object.keys(deploymentsByTimestamp)
.sort()
.map(timestamp => deploymentsByTimestamp[timestamp]);
}
function timestampToUTC(timestamp: string): string {
return new Date(Number.parseInt(timestamp, 10) * 1000).toUTCString();
}
enum CommandLineActions {
History = 'History',
Function = 'Function',
Current = 'Current',
Rollback = 'Rollback',
Emergency = 'Emergency',
Exit = 'Exit',
}
async function confirmRollbackAsync(
rollbackTargets: { [selector: string]: string },
proxyFunctions: ProxyFunctionEntity[],
): Promise<boolean> {
const { confirmed } = await prompts({
type: 'confirm',
name: 'confirmed',
message: `Are these the correct rollbacks?\n${Object.entries(rollbackTargets)
.map(
([selector, target]) =>
`[${selector}] ${selectorToSignature[selector] || '(function signature not found)'} \n ${
proxyFunctions.find(fn => fn.id === selector)!.currentImpl
} => ${target}`,
)
.join('\n')}`,
});
return confirmed;
}
async function printRollbackCalldataAsync(
rollbackTargets: { [selector: string]: string },
zeroEx: wrappers.IZeroExContract,
): Promise<void> {
const numRollbacks = Object.keys(rollbackTargets).length;
const { numTxns } = await prompts({
type: 'number',
name: 'numTxns',
message:
'To avoid limitations on calldata size, the full rollback can be split into multiple transactions. How many transactions would you like to split it into?',
initial: 1,
style: 'default',
min: 1,
max: numRollbacks,
});
for (let i = 0; i < numTxns; i++) {
const startIndex = i * Math.trunc(numRollbacks / numTxns);
const endIndex = startIndex + Math.trunc(numRollbacks / numTxns) + (i < numRollbacks % numTxns ? 1 : 0);
const rollbacks = Object.entries(rollbackTargets).slice(startIndex, endIndex);
const rollbackCallData = governorEncoder.encode([
rollbacks.map(([selector, target]) => zeroEx.rollback(selector, target).getABIEncodedTransactionData()),
new Array(rollbacks.length).fill(zeroEx.address),
new Array(rollbacks.length).fill(constants.ZERO_AMOUNT),
]);
if (numTxns > 1) {
logUtils.log(`======================== Governor Calldata #${i + 1} ========================`);
}
logUtils.log(rollbackCallData);
}
}
async function deploymentHistoryAsync(deployments: Deployment[], proxyFunctions: ProxyFunctionEntity[]): Promise<void> {
const { index } = await prompts({
type: 'select',
name: 'index',
message: 'Choose a deployment:',
choices: deployments.map((deployment, i) => ({
title: deployment.time,
value: i,
})),
});
const { action } = await prompts({
type: 'select',
name: 'action',
message: 'What would you like to do?',
choices: [
{ title: 'Deployment info', value: 'info' },
{ title: 'Rollback this deployment', value: 'rollback' },
],
});
if (action === 'info') {
logUtils.log(
deployments[index].updates.map(update => ({
selector: update.selector,
signature: update.signature || '(function signature not found)',
update: `${update.previousImpl} => ${update.newImpl}`,
})),
);
} else {
const zeroEx = await getMainnetContractAsync();
const rollbackTargets: { [selector: string]: string } = {};
for (const update of deployments[index].updates) {
rollbackTargets[update.selector] = update.previousImpl;
const rollbackLength = (await zeroEx.getRollbackLength(update.selector).callAsync()).toNumber();
for (let i = rollbackLength - 1; i >= 0; i--) {
const entry = await zeroEx.getRollbackEntryAtIndex(update.selector, new BigNumber(i)).callAsync();
if (entry === update.previousImpl) {
break;
} else if (i === 0) {
logUtils.log(
'Cannot rollback this deployment. The following update from this deployment cannot be rolled back:',
);
logUtils.log(`\t[${update.selector}] ${update.signature || '(function signature not found)'}`);
logUtils.log(`\t${update.previousImpl} => ${update.newImpl}`);
logUtils.log(
`Cannot find ${
update.previousImpl
} in the selector's rollback history. It itself may have been previously rolled back.`,
);
return;
}
}
}
const isConfirmed = await confirmRollbackAsync(rollbackTargets, proxyFunctions);
if (isConfirmed) {
await printRollbackCalldataAsync(rollbackTargets, zeroEx);
}
}
}
async function functionHistoryAsync(proxyFunctions: ProxyFunctionEntity[]): Promise<void> {
const { fnSelector } = await prompts({
type: 'autocomplete',
name: 'fnSelector',
message: 'Enter the selector or name of the function:',
choices: [
..._.flatMap(Object.entries(selectorToSignature), ([selector, signature]) => [
{ title: selector, value: selector, description: signature },
{ title: signature, value: selector, description: selector },
]),
...proxyFunctions
.filter(fn => !Object.keys(selectorToSignature).includes(fn.id))
.map(fn => ({ title: fn.id, value: fn.id, description: '(function signature not found)' })),
],
});
const functionEntity = proxyFunctions.find(fn => fn.id === fnSelector);
if (functionEntity === undefined) {
logUtils.log(`Couldn't find deployment history for selector ${fnSelector}`);
} else {
logUtils.log(
functionEntity.fullHistory.map(update => ({
date: timestampToUTC(update.timestamp),
impl: update.impl,
})),
);
}
}
async function currentFunctionsAsync(proxyFunctions: ProxyFunctionEntity[]): Promise<void> {
const currentFunctions: {
[selector: string]: { signature: string; impl: string; lastUpdated: string };
} = {};
proxyFunctions
.filter(fn => fn.currentImpl !== constants.NULL_ADDRESS)
.map(fn => {
currentFunctions[fn.id] = {
signature: selectorToSignature[fn.id] || '(function signature not found)',
impl: fn.currentImpl,
lastUpdated: timestampToUTC(fn.fullHistory.slice(-1)[0].timestamp),
};
});
logUtils.log(currentFunctions);
}
async function generateRollbackAsync(proxyFunctions: ProxyFunctionEntity[]): Promise<void> {
const zeroEx = await getMainnetContractAsync();
const { selected } = await prompts({
type: 'autocompleteMultiselect',
name: 'selected',
message: 'Select the functions to rollback:',
choices: _.flatMap(proxyFunctions.filter(fn => fn.currentImpl !== constants.NULL_ADDRESS), fn => [
{
title: [
`[${fn.id}]`,
`Implemented @ ${fn.currentImpl}`,
selectorToSignature[fn.id] || '(function signature not found)',
].join('\n\t\t\t\t'),
value: fn.id,
},
]),
});
const rollbackTargets: { [selector: string]: string } = {};
for (const selector of selected) {
const rollbackLength = (await zeroEx.getRollbackLength(selector).callAsync()).toNumber();
const rollbackHistory = await Promise.all(
_.range(rollbackLength).map(async i =>
zeroEx.getRollbackEntryAtIndex(selector, new BigNumber(i)).callAsync(),
),
);
const fullHistory = proxyFunctions.find(fn => fn.id === selector)!.fullHistory;
const previousImpl = rollbackHistory[rollbackLength - 1];
const { target } = await prompts({
type: 'select',
name: 'target',
message: 'Select the implementation to rollback to',
hint: `[${selector}] ${selectorToSignature[selector] || '(function signature not found)'}`,
choices: [
{
title: 'DISABLE',
value: constants.NULL_ADDRESS,
description: 'Rolls back to address(0)',
},
{
title: 'PREVIOUS',
value: previousImpl,
description: `${previousImpl} (${timestampToUTC(
_.findLast(fullHistory, update => update.impl === previousImpl)!.timestamp,
)})`,
},
...[...new Set(rollbackHistory)]
.filter(impl => impl !== constants.NULL_ADDRESS)
.map(impl => ({
title: impl,
value: impl,
description: timestampToUTC(_.findLast(fullHistory, update => update.impl === impl)!.timestamp),
})),
],
});
rollbackTargets[selector] = target;
}
const isConfirmed = await confirmRollbackAsync(rollbackTargets, proxyFunctions);
if (isConfirmed) {
await printRollbackCalldataAsync(rollbackTargets, zeroEx);
}
}
async function generateEmergencyRollbackAsync(proxyFunctions: ProxyFunctionEntity[]): Promise<void> {
const zeroEx = new wrappers.IZeroExContract(
getContractAddressesForChainOrThrow(1).exchangeProxy,
new Web3ProviderEngine(),
);
const allSelectors = proxyFunctions
.filter(fn => fn.currentImpl !== constants.NULL_ADDRESS && !DO_NOT_ROLLBACK.includes(fn.id))
.map(fn => fn.id);
await printRollbackCalldataAsync(
_.zipObject(allSelectors, new Array(allSelectors.length).fill(constants.NULL_ADDRESS)),
zeroEx,
);
}
let provider: SupportedProvider | undefined = process.env.RPC_URL ? createWeb3Provider(process.env.RPC_URL) : undefined;
function createWeb3Provider(rpcUrl: string): SupportedProvider {
const providerEngine = new Web3ProviderEngine();
providerEngine.addProvider(new RPCSubprovider(rpcUrl));
providerUtils.startProviderEngine(providerEngine);
return providerEngine;
}
async function getMainnetContractAsync(): Promise<wrappers.IZeroExContract> {
if (provider === undefined) {
const { rpcUrl } = await prompts({
type: 'text',
name: 'rpcUrl',
message: 'Enter an RPC endpoint:',
});
provider = createWeb3Provider(rpcUrl);
}
const chainId = await new Web3Wrapper(provider).getChainIdAsync();
const { exchangeProxy } = getContractAddressesForChainOrThrow(chainId);
return new wrappers.IZeroExContract(exchangeProxy, provider);
}
(async () => {
const proxyFunctions = await querySubgraphAsync();
const deployments = reconstructDeployments(proxyFunctions);
while (true) {
const { action } = await prompts({
type: 'select',
name: 'action',
message: 'What would you like to do?',
choices: [
{ title: '🚢 Deployment history', value: CommandLineActions.History },
{ title: '📜 Function history', value: CommandLineActions.Function },
{ title: '🗺️ Currently registered functions', value: CommandLineActions.Current },
{ title: '🔙 Generate rollback calldata', value: CommandLineActions.Rollback },
{ title: '🚨 Emergency shutdown calldata', value: CommandLineActions.Emergency },
{ title: '👋 Exit', value: CommandLineActions.Exit },
],
});
switch (action) {
case CommandLineActions.History:
await deploymentHistoryAsync(deployments, proxyFunctions);
break;
case CommandLineActions.Function:
await functionHistoryAsync(proxyFunctions);
break;
case CommandLineActions.Current:
await currentFunctionsAsync(proxyFunctions);
break;
case CommandLineActions.Rollback:
await generateRollbackAsync(proxyFunctions);
break;
case CommandLineActions.Emergency:
await generateEmergencyRollbackAsync(proxyFunctions);
break;
case CommandLineActions.Exit:
default:
process.exit(0);
}
}
})().catch(err => {
logUtils.log(err);
process.exit(1);
});

View File

@@ -9,8 +9,6 @@ import { abis } from '../utils/abis';
import { fullMigrateAsync } from '../utils/migration';
import {
LiquidityProviderSandboxContract,
TestBridgeContract,
TestBridgeEvents,
TestLiquidityProviderContract,
TestLiquidityProviderEvents,
TestWethContract,
@@ -148,41 +146,6 @@ blockchainTests('LiquidityProvider feature', env => {
TestLiquidityProviderEvents.SellTokenForToken,
);
});
it('Successfully executes an ERC20-ERC20 swap (backwards-compatibility)', async () => {
const bridge = await TestBridgeContract.deployFrom0xArtifactAsync(
artifacts.TestBridge,
env.provider,
env.txDefaults,
artifacts,
weth.address,
token.address,
);
const tx = await feature
.sellToLiquidityProvider(
token.address,
weth.address,
bridge.address,
constants.NULL_ADDRESS,
constants.ONE_ETHER,
constants.ZERO_AMOUNT,
constants.NULL_BYTES,
)
.awaitTransactionSuccessAsync({ from: taker });
verifyEventsFromLogs(
tx.logs,
[
{
inputToken: token.address,
outputToken: weth.address,
inputTokenAmount: constants.ONE_ETHER,
outputTokenAmount: constants.ZERO_AMOUNT,
from: bridge.address,
to: taker,
},
],
TestBridgeEvents.ERC20BridgeTransfer,
);
});
it('Reverts if cannot fulfill the minimum buy amount', async () => {
const minBuyAmount = new BigNumber(1);
const tx = feature

View File

@@ -6,9 +6,7 @@ import {
randomAddress,
verifyEventsFromLogs,
} from '@0x/contracts-test-utils';
import { getExchangeProxyMetaTransactionHash, signatureUtils } from '@0x/order-utils';
import { Signature } from '@0x/protocol-utils';
import { ExchangeProxyMetaTransaction } from '@0x/types';
import { MetaTransaction, MetaTransactionFields } from '@0x/protocol-utils';
import { BigNumber, hexUtils, StringRevertError, ZeroExRevertErrors } from '@0x/utils';
import * as _ from 'lodash';
@@ -31,6 +29,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
let owner: string;
let maker: string;
let sender: string;
let notSigner: string;
let signers: string[];
let zeroEx: IZeroExContract;
let feature: MetaTransactionsFeatureContract;
@@ -45,7 +44,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
const REENTRANCY_FLAG_MTX = 0x1;
before(async () => {
[owner, maker, sender, ...signers] = await env.getAccountAddressesAsync();
[owner, maker, sender, notSigner, ...signers] = await env.getAccountAddressesAsync();
transformERC20Feature = await TestMetaTransactionsTransformERC20FeatureContract.deployFrom0xArtifactAsync(
artifacts.TestMetaTransactionsTransformERC20Feature,
env.provider,
@@ -83,19 +82,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
);
});
function sigstruct(signature: string): Signature {
return {
v: parseInt(hexUtils.slice(signature, 0, 1), 16),
signatureType: parseInt(hexUtils.slice(signature, 65, 66), 16),
r: hexUtils.slice(signature, 1, 33),
s: hexUtils.slice(signature, 33, 65),
};
}
function getRandomMetaTransaction(
fields: Partial<ExchangeProxyMetaTransaction> = {},
): ExchangeProxyMetaTransaction {
return {
function getRandomMetaTransaction(fields: Partial<MetaTransactionFields> = {}): MetaTransaction {
return new MetaTransaction({
signer: _.sampleSize(signers)[0],
sender,
minGasPrice: getRandomInteger('2', '1e9'),
@@ -106,28 +94,16 @@ blockchainTests.resets('MetaTransactions feature', env => {
value: getRandomInteger(1, '1e18'),
feeToken: feeToken.address,
feeAmount: getRandomInteger(1, MAX_FEE_AMOUNT),
domain: {
chainId: 1, // Ganache's `chainid` opcode is hardcoded as 1
verifyingContract: zeroEx.address,
},
chainId: 1, // Ganache's `chainid` opcode is hardcoded as 1
verifyingContract: zeroEx.address,
...fields,
};
}
async function signMetaTransactionAsync(mtx: ExchangeProxyMetaTransaction, signer?: string): Promise<Signature> {
return sigstruct(
await signatureUtils.ecSignHashAsync(
env.provider,
getExchangeProxyMetaTransactionHash(mtx),
signer || mtx.signer,
),
);
});
}
describe('getMetaTransactionHash()', () => {
it('generates the correct hash', async () => {
const mtx = getRandomMetaTransaction();
const expected = getExchangeProxyMetaTransactionHash(mtx);
const expected = mtx.getHash();
const actual = await feature.getMetaTransactionHash(mtx).callAsync();
expect(actual).to.eq(expected);
});
@@ -163,7 +139,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
const mtx = getRandomMetaTransaction({
callData: nativeOrdersFeature.fillLimitOrder(order, sig, fillAmount).getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -198,7 +174,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
callData: nativeOrdersFeature.fillRfqOrder(order, sig, fillAmount).getABIEncodedTransactionData(),
value: ZERO_AMOUNT,
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: 0,
@@ -237,7 +213,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -275,7 +251,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData();
const mtx = getRandomMetaTransaction({ callData });
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -315,7 +291,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -340,7 +316,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -363,8 +339,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -393,8 +369,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
const mtx = getRandomMetaTransaction({
callData: transformERC20Feature.createTransformWallet().getABIEncodedTransactionData(),
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -421,8 +397,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -439,8 +415,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
it('fails if not enough ETH provided', async () => {
const mtx = getRandomMetaTransaction();
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value.minus(1),
@@ -457,8 +433,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
it('fails if gas price too low', async () => {
const mtx = getRandomMetaTransaction();
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice.minus(1),
value: mtx.value,
@@ -476,8 +452,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
it('fails if gas price too high', async () => {
const mtx = getRandomMetaTransaction();
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice.plus(1),
value: mtx.value,
@@ -497,8 +473,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
const mtx = getRandomMetaTransaction({
expirationTimeSeconds: new BigNumber(Math.floor(_.now() / 1000 - 60)),
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -518,8 +494,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
const mtx = getRandomMetaTransaction({
sender: requiredSender,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -536,8 +512,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
it('fails if signature is wrong', async () => {
const mtx = getRandomMetaTransaction({ signer: signers[0] });
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx, signers[1]);
const mtxHash = mtx.getHash();
const signature = await mtx.clone({ signer: notSigner }).getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -567,8 +543,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -600,8 +576,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_BATCH_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -633,8 +609,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -666,8 +642,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_BATCH_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -703,7 +679,9 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
});
});
const signatures = await Promise.all(mtxs.map(async mtx => signMetaTransactionAsync(mtx)));
const signatures = await Promise.all(
mtxs.map(async mtx => mtx.getSignatureWithProviderAsync(env.provider)),
);
const callOpts = {
gasPrice: BigNumber.max(...mtxs.map(mtx => mtx.minGasPrice)),
value: BigNumber.sum(...mtxs.map(mtx => mtx.value)),
@@ -728,9 +706,9 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
});
})();
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const mtxHash = mtx.getHash();
const mtxs = _.times(2, () => mtx);
const signatures = await Promise.all(mtxs.map(async m => signMetaTransactionAsync(m)));
const signatures = await Promise.all(mtxs.map(async m => m.getSignatureWithProviderAsync(env.provider)));
const callOpts = {
gasPrice: BigNumber.max(...mtxs.map(m => m.minGasPrice)),
value: BigNumber.sum(...mtxs.map(m => m.value)),
@@ -756,8 +734,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -786,8 +764,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -819,8 +797,8 @@ blockchainTests.resets('MetaTransactions feature', env => {
.getABIEncodedTransactionData(),
value: TRANSFORM_ERC20_BATCH_REENTER_VALUE,
});
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const signature = await signMetaTransactionAsync(mtx);
const mtxHash = mtx.getHash();
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.maxGasPrice,
value: mtx.value,
@@ -859,7 +837,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
@@ -873,7 +851,7 @@ blockchainTests.resets('MetaTransactions feature', env => {
describe('getMetaTransactionHashExecutedBlock()', () => {
it('returns zero for an unexecuted mtx', async () => {
const mtx = getRandomMetaTransaction();
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const mtxHash = mtx.getHash();
const block = await feature.getMetaTransactionHashExecutedBlock(mtxHash).callAsync();
expect(block).to.bignumber.eq(0);
});
@@ -891,13 +869,13 @@ blockchainTests.resets('MetaTransactions feature', env => {
)
.getABIEncodedTransactionData(),
});
const signature = await signMetaTransactionAsync(mtx);
const signature = await mtx.getSignatureWithProviderAsync(env.provider);
const callOpts = {
gasPrice: mtx.minGasPrice,
value: mtx.value,
};
const receipt = await feature.executeMetaTransaction(mtx, signature).awaitTransactionSuccessAsync(callOpts);
const mtxHash = getExchangeProxyMetaTransactionHash(mtx);
const mtxHash = mtx.getHash();
const block = await feature.getMetaTransactionHashExecutedBlock(mtxHash).callAsync();
expect(block).to.bignumber.eq(receipt.blockNumber);
});

View File

@@ -1,7 +1,7 @@
{
"extends": "../../tsconfig",
"compilerOptions": { "outDir": "lib", "rootDir": ".", "resolveJsonModule": true },
"include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
"include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*", "./scripts/**/*"],
"files": [
"generated-artifacts/AffiliateFeeTransformer.json",
"generated-artifacts/BridgeAdapter.json",

View File

@@ -137,4 +137,34 @@ In both cases, the ``@0x/protocol-utils`` package simplifies generating these si
The Orderbook
=======================
Orders are shared through a decentralized and permissionless network, called `0x Mesh <https://0x.org/mesh>`_. The simplest way to post and discover orders is through `0x API <https://0x.org/api>`_. See `this guide <https://0x.org/docs/guides/market-making-on-0x>`_ tailored for Market Makers.
Orders are shared through a decentralized and permissionless network, called `0x Mesh <https://0x.org/mesh>`_. The simplest way to post and discover orders is through `0x API <https://0x.org/api>`_. See `this guide <https://0x.org/docs/guides/market-making-on-0x>`_ tailored for Market Makers.
Orders are usually represented as a JSON object off-chain. Below is a table represention and example of how orders should be formatted off-chain.
JSON representation of RFQ Orders
*********************************
A ``RFQOrder`` should be serialized to JSON as following:
.. code-block:: typescript
interface RfqOrderJson {
"maker": string,
"taker": string,
"makerToken": string,
"takerToken": string,
"makerAmount": string,
"takerAmount": string,
"txOrigin": string,
"pool": string,
"expiry": number,
"salt": string,
"chainId": number, // Ethereum Chain Id where the transaction is submitted.
"verifyingContract": string, // Address of the contract where the transaction should be sent.
"signature": {
"signatureType": number,
"v": number,
"s": string,
"r": string,
}
}

View File

@@ -1,4 +1,23 @@
[
{
"timestamp": 1608149382,
"version": "5.5.1",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"version": "5.5.0",
"changes": [
{
"note": "Bancor now supported in all pairs",
"pr": 88
}
],
"timestamp": 1608105788
},
{
"timestamp": 1607485227,
"version": "5.4.2",

View File

@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v5.5.1 - _December 16, 2020_
* Dependencies updated
## v5.5.0 - _December 16, 2020_
* Bancor now supported in all pairs (#88)
## v5.4.2 - _December 9, 2020_
* Dependencies updated

View File

@@ -0,0 +1,131 @@
/*
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 "./DeploymentConstants.sol";
import "./interfaces/IBancor.sol";
contract BancorSampler is
DeploymentConstants
{
/// @dev Base gas limit for Bancor calls.
uint256 constant private BANCOR_CALL_GAS = 300e3; // 300k
address constant private BANCOR_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/// @dev Sample sell quotes from Bancor.
/// @param paths The paths to check for Bancor. Only the best is used
/// @param takerToken Address of the taker token (what to sell).
/// @param makerToken Address of the maker token (what to buy).
/// @param takerTokenAmounts Taker token sell amount for each sample.
/// @return bancorNetwork the Bancor Network address
/// @return path the selected conversion path from bancor
/// @return makerTokenAmounts Maker amounts bought at each taker token
/// amount.
function sampleSellsFromBancor(
address[][] memory paths,
address takerToken,
address makerToken,
uint256[] memory takerTokenAmounts
)
public
view
returns (address bancorNetwork, address[] memory path, uint256[] memory makerTokenAmounts)
{
bancorNetwork = _getBancorNetwork();
if (paths.length == 0) {
return (bancorNetwork, path, makerTokenAmounts);
}
uint256 maxBoughtAmount = 0;
// Find the best path by selling the largest taker amount
for (uint256 i = 0; i < paths.length; i++) {
if (paths[i].length < 2) {
continue;
}
try
IBancorNetwork(bancorNetwork)
.rateByPath
{gas: BANCOR_CALL_GAS}
(paths[i], takerTokenAmounts[takerTokenAmounts.length-1])
returns (uint256 amount)
{
if (amount > maxBoughtAmount) {
maxBoughtAmount = amount;
path = paths[i];
}
} catch {
// Swallow failures, leaving all results as zero.
continue;
}
}
uint256 numSamples = takerTokenAmounts.length;
makerTokenAmounts = new uint256[](numSamples);
for (uint256 i = 0; i < numSamples; i++) {
try
IBancorNetwork(bancorNetwork)
.rateByPath
{gas: BANCOR_CALL_GAS}
(path, takerTokenAmounts[i])
returns (uint256 amount)
{
makerTokenAmounts[i] = amount;
} catch {
// Swallow failures, leaving all results as zero.
break;
}
}
return (bancorNetwork, path, makerTokenAmounts);
}
/// @dev Sample buy quotes from Bancor. Unimplemented
/// @param paths The paths to check for Bancor. Only the best is used
/// @param takerToken Address of the taker token (what to sell).
/// @param makerToken Address of the maker token (what to buy).
/// @param makerTokenAmounts Maker token buy amount for each sample.
/// @return bancorNetwork the Bancor Network address
/// @return path the selected conversion path from bancor
/// @return takerTokenAmounts Taker amounts sold at each maker token
/// amount.
function sampleBuysFromBancor(
address[][] memory paths,
address takerToken,
address makerToken,
uint256[] memory makerTokenAmounts
)
public
view
returns (address bancorNetwork, address[] memory path, uint256[] memory takerTokenAmounts)
{
}
function _getBancorNetwork()
private
view
returns (address)
{
IBancorRegistry registry = IBancorRegistry(_getBancorRegistryAddress());
return registry.getAddress(registry.BANCOR_NETWORK());
}
}

View File

@@ -62,6 +62,8 @@ contract DeploymentConstants {
address constant private DODO_REGISTRY = 0x3A97247DF274a17C59A3bd12735ea3FcDFb49950;
/// @dev Mainnet address of the DODO Helper contract
address constant private DODO_HELPER = 0x533dA777aeDCE766CEAe696bf90f8541A4bA80Eb;
/// @dev Mainnet address of the Bancor Registry contract
address constant private BANCOR_REGISTRY = 0x52Ae12ABe5D8BD778BD5397F99cA900624CfADD4;
// // Ropsten addresses ///////////////////////////////////////////////////////
// /// @dev Mainnet address of the WETH contract.
@@ -337,4 +339,14 @@ contract DeploymentConstants {
{
return DODO_HELPER;
}
/// @dev An overridable way to retrieve the Bancor Registry contract address.
/// @return registry The Bancor registry contract address.
function _getBancorRegistryAddress()
internal
view
returns (address registry)
{
return BANCOR_REGISTRY;
}
}

View File

@@ -20,6 +20,7 @@ pragma solidity ^0.6;
pragma experimental ABIEncoderV2;
import "./BalancerSampler.sol";
import "./BancorSampler.sol";
import "./CurveSampler.sol";
import "./DODOSampler.sol";
import "./Eth2DaiSampler.sol";
@@ -38,6 +39,7 @@ import "./UniswapV2Sampler.sol";
contract ERC20BridgeSampler is
BalancerSampler,
BancorSampler,
CurveSampler,
DODOSampler,
Eth2DaiSampler,

View File

@@ -0,0 +1,32 @@
/*
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;
interface IBancor {}
interface IBancorNetwork {
function conversionPath(address _sourceToken, address _targetToken) external view returns (address[] memory);
function rateByPath(address[] memory _path, uint256 _amount) external view returns (uint256);
}
interface IBancorRegistry {
function getAddress(bytes32 _contractName) external view returns (address);
function BANCOR_NETWORK() external view returns (bytes32);
}

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/asset-swapper",
"version": "5.4.2",
"version": "5.5.1",
"engines": {
"node": ">=6.12"
},
@@ -38,7 +38,7 @@
"config": {
"publicInterfaceContracts": "ERC20BridgeSampler,BalanceChecker",
"abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually.",
"abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|CurveSampler|DODOSampler|DeploymentConstants|DummyLiquidityProvider|ERC20BridgeSampler|Eth2DaiSampler|IBalancer|ICurve|IEth2Dai|IKyberNetwork|IMStable|IMooniswap|IMultiBridge|IShell|IUniswapExchangeQuotes|IUniswapV2Router01|KyberSampler|LiquidityProviderSampler|MStableSampler|MooniswapSampler|MultiBridgeSampler|NativeOrderSampler|SamplerUtils|ShellSampler|SushiSwapSampler|TestERC20BridgeSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler).json",
"abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|BancorSampler|CurveSampler|DODOSampler|DeploymentConstants|DummyLiquidityProvider|ERC20BridgeSampler|Eth2DaiSampler|IBalancer|IBancor|ICurve|IEth2Dai|IKyberNetwork|IMStable|IMooniswap|IMultiBridge|IShell|IUniswapExchangeQuotes|IUniswapV2Router01|KyberSampler|LiquidityProviderSampler|MStableSampler|MooniswapSampler|MultiBridgeSampler|NativeOrderSampler|SamplerUtils|ShellSampler|SushiSwapSampler|TestERC20BridgeSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler).json",
"postpublish": {
"assets": []
}
@@ -71,7 +71,7 @@
"@0x/utils": "^6.1.1",
"@0x/web3-wrapper": "^7.3.0",
"@balancer-labs/sor": "0.3.2",
"@bancor/sdk": "^0.2.9",
"@bancor/sdk": "0.2.9",
"@ethersproject/abi": "^5.0.1",
"@ethersproject/address": "^5.0.1",
"@ethersproject/contracts": "^5.0.1",
@@ -87,16 +87,16 @@
},
"devDependencies": {
"@0x/base-contract": "^6.2.14",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-exchange-libs": "^4.3.18",
"@0x/contracts-gen": "^2.0.24",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/contracts-utils": "^4.6.3",
"@0x/contracts-zero-ex": "^0.12.0",
"@0x/contracts-zero-ex": "^0.14.0",
"@0x/mesh-rpc-client": "^9.4.2",
"@0x/migrations": "^6.5.4",
"@0x/migrations": "^6.5.6",
"@0x/sol-compiler": "^4.4.1",
"@0x/subproviders": "^6.2.3",
"@0x/ts-doc-gen": "^0.0.28",

View File

@@ -1,4 +1,4 @@
import { getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
import { ChainId, getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
import { DevUtilsContract } from '@0x/contract-wrappers';
import { schemas } from '@0x/json-schemas';
import { assetDataUtils, SignedOrder } from '@0x/order-utils';
@@ -26,6 +26,7 @@ import {
import { assert } from './utils/assert';
import { calculateLiquidity } from './utils/calculate_liquidity';
import { MarketOperationUtils } from './utils/market_operation_utils';
import { BancorService } from './utils/market_operation_utils/bancor_service';
import { createDummyOrderForSampler } from './utils/market_operation_utils/orders';
import { DexOrderSampler } from './utils/market_operation_utils/sampler';
import { SourceFilters } from './utils/market_operation_utils/source_filters';
@@ -208,16 +209,18 @@ export class SwapQuoter {
gas: samplerGasLimit,
},
);
this._marketOperationUtils = new MarketOperationUtils(
new DexOrderSampler(
samplerContract,
samplerOverrides,
provider,
undefined,
undefined,
undefined,
undefined, // balancer pool cache
undefined, // cream pool cache
tokenAdjacencyGraph,
liquidityProviderRegistry,
this.chainId === ChainId.Mainnet // Enable Bancor only on Mainnet
? async () => BancorService.createAsync(provider)
: async () => undefined,
),
this._contractAddresses,
{

View File

@@ -1,26 +1,17 @@
import { SupportedProvider } from '@0x/dev-utils';
import { BigNumber } from '@0x/utils';
import { SDK } from '@bancor/sdk';
import { Ethereum, getDecimals } from '@bancor/sdk/dist/blockchains/ethereum';
import { fromWei, toWei } from '@bancor/sdk/dist/helpers';
import { BlockchainType, Token } from '@bancor/sdk/dist/types';
import { Ethereum } from '@bancor/sdk/dist/blockchains/ethereum';
import { BlockchainType } from '@bancor/sdk/dist/types';
import { BancorFillData, Quote } from './types';
import { TOKENS } from './constants';
/**
* Converts an address to a Bancor Token type
*/
export function token(address: string, blockchainType: BlockchainType = BlockchainType.Ethereum): Token {
return {
blockchainType,
blockchainId: address,
};
}
const findToken = (tokenAddress: string, graph: object): string =>
// If we're looking for WETH it is stored by Bancor as the 0xeee address
tokenAddress.toLowerCase() === TOKENS.WETH.toLowerCase()
? '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
: Object.keys(graph).filter(k => k.toLowerCase() === tokenAddress.toLowerCase())[0];
export class BancorService {
// Bancor recommends setting this value to 2% under the expected return amount
public minReturnAmountBufferPercentage = 0.99;
public static async createAsync(provider: SupportedProvider): Promise<BancorService> {
const sdk = await SDK.create({ ethereumNodeEndpoint: provider });
const service = new BancorService(sdk);
@@ -28,38 +19,16 @@ export class BancorService {
}
constructor(public sdk: SDK) {}
public async getQuotesAsync(
fromToken: string,
toToken: string,
amounts: BigNumber[],
): Promise<Array<Quote<BancorFillData>>> {
const sdk = this.sdk;
const blockchain = sdk._core.blockchains[BlockchainType.Ethereum] as Ethereum;
const sourceDecimals = await getDecimals(blockchain, fromToken);
const quotes = await sdk.pricing.getPathAndRates(
token(fromToken),
token(toToken),
amounts.map(amt => fromWei(amt.toString(), sourceDecimals)),
);
const targetDecimals = await getDecimals(blockchain, toToken);
const networkAddress = this.getBancorNetworkAddress();
return quotes.map(quote => {
const { path, rate } = quote;
const output = toWei(rate, targetDecimals);
return {
amount: new BigNumber(output).multipliedBy(this.minReturnAmountBufferPercentage).dp(0),
fillData: {
path: path.map(p => p.blockchainId),
networkAddress,
},
};
});
}
public getBancorNetworkAddress(): string {
const blockchain = this.sdk._core.blockchains[BlockchainType.Ethereum] as Ethereum;
return blockchain.bancorNetwork._address;
public getPaths(_fromToken: string, _toToken: string): string[][] {
// HACK: We reach into the blockchain object and pull in it's cache of tokens
// and we use it's internal non-async getPathsFunc
try {
const blockchain = this.sdk._core.blockchains[BlockchainType.Ethereum] as Ethereum;
const fromToken = findToken(_fromToken, blockchain.graph);
const toToken = findToken(_toToken, blockchain.graph);
return blockchain.getPathsFunc.bind(blockchain)(fromToken, toToken);
} catch (e) {
return [];
}
}
}

View File

@@ -5,6 +5,7 @@ import { BridgeContractAddresses } from '../../types';
import { SourceFilters } from './source_filters';
import {
BancorFillData,
CurveFillData,
CurveFunctionSelectors,
CurveInfo,
@@ -34,8 +35,7 @@ export const SELL_SOURCE_FILTER = new SourceFilters([
ERC20BridgeSource.Kyber,
ERC20BridgeSource.Curve,
ERC20BridgeSource.Balancer,
// Bancor is sampled off-chain, but this list should only include on-chain sources (used in ERC20BridgeSampler)
// ERC20BridgeSource.Bancor,
ERC20BridgeSource.Bancor,
ERC20BridgeSource.MStable,
ERC20BridgeSource.Mooniswap,
ERC20BridgeSource.Swerve,
@@ -60,7 +60,7 @@ export const BUY_SOURCE_FILTER = new SourceFilters([
ERC20BridgeSource.Kyber,
ERC20BridgeSource.Curve,
ERC20BridgeSource.Balancer,
// ERC20BridgeSource.Bancor, // FIXME: Disabled until Bancor SDK supports buy quotes
// ERC20BridgeSource.Bancor, // FIXME: Bancor Buys not implemented in Sampler
ERC20BridgeSource.MStable,
ERC20BridgeSource.Mooniswap,
ERC20BridgeSource.Shell,
@@ -410,7 +410,7 @@ export const BRIDGE_ADDRESSES_BY_CHAIN: { [chainId in ChainId]: BridgeContractAd
curveBridge: '0x1796cd592d19e3bcd744fbb025bb61a6d8cb2c09',
multiBridge: '0xc03117a8c9bde203f70aa911cb64a7a0df5ba1e1',
balancerBridge: '0xfe01821ca163844203220cd08e4f2b2fb43ae4e4',
bancorBridge: '0x259897d9699553edbdf8538599242354e957fb94',
bancorBridge: '0xc880c252db7c51f74161633338a3bdafa8e65276',
mStableBridge: '0x2bf04fcea05f0989a14d9afa37aa376baca6b2b3',
mooniswapBridge: '0x02b7eca484ad960fca3f7709e0b2ac81eec3069c',
sushiswapBridge: '0x47ed0262a0b688dcb836d254c6a2e96b6c48a9f5',
@@ -539,7 +539,14 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
throw new Error('Unrecognized SnowSwap address');
}
},
[ERC20BridgeSource.Bancor]: () => 300e3,
[ERC20BridgeSource.Bancor]: (fillData?: FillData) => {
let gas = 200e3;
const path = (fillData as BancorFillData).path;
if (path.length > 2) {
gas += (path.length - 2) * 60e3; // +60k for each hop.
}
return gas;
},
};
export const DEFAULT_FEE_SCHEDULE: Required<FeeSchedule> = Object.assign(

View File

@@ -81,13 +81,12 @@ export class MarketOperationUtils {
private readonly _feeSources = new SourceFilters(FEE_QUOTE_SOURCES);
private static _computeQuoteReport(
nativeOrders: SignedOrder[],
quoteRequestor: QuoteRequestor | undefined,
marketSideLiquidity: MarketSideLiquidity,
optimizerResult: OptimizerResult,
comparisonPrice?: BigNumber | undefined,
): QuoteReport {
const { side, dexQuotes, twoHopQuotes, orderFillableAmounts } = marketSideLiquidity;
const { side, dexQuotes, twoHopQuotes, orderFillableAmounts, nativeOrders } = marketSideLiquidity;
const { liquidityDelivered } = optimizerResult;
return generateQuoteReport(
side,
@@ -204,23 +203,12 @@ export class MarketOperationUtils {
? this._sampler.getCreamSellQuotesOffChainAsync(makerToken, takerToken, sampleAmounts)
: Promise.resolve([]);
const offChainBancorPromise = quoteSourceFilters.isAllowed(ERC20BridgeSource.Bancor)
? this._sampler.getBancorSellQuotesOffChainAsync(makerToken, takerToken, [takerAmount])
: Promise.resolve([]);
const [
[tokenDecimals, orderFillableAmounts, ethToMakerAssetRate, ethToTakerAssetRate, dexQuotes, twoHopQuotes],
rfqtIndicativeQuotes,
offChainBalancerQuotes,
offChainCreamQuotes,
offChainBancorQuotes,
] = await Promise.all([
samplerPromise,
rfqtPromise,
offChainBalancerPromise,
offChainCreamPromise,
offChainBancorPromise,
]);
] = await Promise.all([samplerPromise, rfqtPromise, offChainBalancerPromise, offChainCreamPromise]);
const [makerTokenDecimals, takerTokenDecimals] = tokenDecimals;
return {
@@ -228,7 +216,7 @@ export class MarketOperationUtils {
inputAmount: takerAmount,
inputToken: takerToken,
outputToken: makerToken,
dexQuotes: dexQuotes.concat([...offChainBalancerQuotes, ...offChainCreamQuotes, offChainBancorQuotes]),
dexQuotes: dexQuotes.concat([...offChainBalancerQuotes, ...offChainCreamQuotes]),
nativeOrders,
orderFillableAmounts,
ethToOutputRate: ethToMakerAssetRate,
@@ -630,7 +618,7 @@ export class MarketOperationUtils {
side === MarketOperation.Sell
? this.getMarketSellLiquidityAsync.bind(this)
: this.getMarketBuyLiquidityAsync.bind(this);
const marketSideLiquidity: MarketSideLiquidity = await marketLiquidityFnAsync(nativeOrders, amount, _opts);
let marketSideLiquidity: MarketSideLiquidity = await marketLiquidityFnAsync(nativeOrders, amount, _opts);
let optimizerResult: OptimizerResult | undefined;
try {
optimizerResult = await this._generateOptimizedOrdersAsync(marketSideLiquidity, optimizerOpts);
@@ -673,13 +661,11 @@ export class MarketOperationUtils {
);
// Re-run optimizer with the new indicative quote
if (indicativeQuotes.length > 0) {
optimizerResult = await this._generateOptimizedOrdersAsync(
{
...marketSideLiquidity,
rfqtIndicativeQuotes: indicativeQuotes,
},
optimizerOpts,
);
marketSideLiquidity = {
...marketSideLiquidity,
rfqtIndicativeQuotes: indicativeQuotes,
};
optimizerResult = await this._generateOptimizedOrdersAsync(marketSideLiquidity, optimizerOpts);
}
} else if (!rfqt.isIndicative && isFirmPriceAwareEnabled) {
// A firm quote is being requested, and firm quotes price-aware enabled. Ensure that `intentOnFilling` is enabled.
@@ -707,19 +693,18 @@ export class MarketOperationUtils {
? firmQuoteSignedOrders.map(signedOrder => signedOrder.takerAssetAmount)
: await rfqt.firmQuoteValidator.getRfqtTakerFillableAmountsAsync(firmQuoteSignedOrders);
marketSideLiquidity = {
...marketSideLiquidity,
nativeOrders: marketSideLiquidity.nativeOrders.concat(firmQuoteSignedOrders),
orderFillableAmounts: marketSideLiquidity.orderFillableAmounts.concat(
rfqOrderFillableAmounts,
),
};
// Re-run optimizer with the new firm quote. This is the second and last time
// we run the optimized in a block of code. In this case, we don't catch a potential `NoOptimalPath` exception
// and we let it bubble up if it happens.
optimizerResult = await this._generateOptimizedOrdersAsync(
{
...marketSideLiquidity,
nativeOrders: marketSideLiquidity.nativeOrders.concat(firmQuoteSignedOrders),
orderFillableAmounts: marketSideLiquidity.orderFillableAmounts.concat(
rfqOrderFillableAmounts,
),
},
optimizerOpts,
);
optimizerResult = await this._generateOptimizedOrdersAsync(marketSideLiquidity, optimizerOpts);
}
}
}
@@ -735,7 +720,6 @@ export class MarketOperationUtils {
let quoteReport: QuoteReport | undefined;
if (_opts.shouldGenerateQuoteReport) {
quoteReport = MarketOperationUtils._computeQuoteReport(
nativeOrders,
_opts.rfqt ? _opts.rfqt.quoteRequestor : undefined,
marketSideLiquidity,
optimizerResult,

View File

@@ -1,4 +1,3 @@
import { SupportedProvider } from '@0x/dev-utils';
import { BigNumber, NULL_BYTES } from '@0x/utils';
import { SamplerOverrides } from '../../types';
@@ -36,21 +35,19 @@ export class DexOrderSampler extends SamplerOperations {
constructor(
_samplerContract: ERC20BridgeSamplerContract,
private readonly _samplerOverrides?: SamplerOverrides,
provider?: SupportedProvider,
balancerPoolsCache?: BalancerPoolsCache,
creamPoolsCache?: CreamPoolsCache,
getBancorServiceFn?: () => BancorService,
tokenAdjacencyGraph?: TokenAdjacencyGraph,
liquidityProviderRegistry?: LiquidityProviderRegistry,
bancorServiceFn: () => Promise<BancorService | undefined> = async () => undefined,
) {
super(
_samplerContract,
provider,
balancerPoolsCache,
creamPoolsCache,
getBancorServiceFn,
tokenAdjacencyGraph,
liquidityProviderRegistry,
bancorServiceFn,
);
}

View File

@@ -1,4 +1,3 @@
import { SupportedProvider } from '@0x/dev-utils';
import { SignedOrder } from '@0x/types';
import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
@@ -81,25 +80,16 @@ export class SamplerOperations {
constructor(
protected readonly _samplerContract: ERC20BridgeSamplerContract,
public readonly provider?: SupportedProvider,
public readonly balancerPoolsCache: BalancerPoolsCache = new BalancerPoolsCache(),
public readonly creamPoolsCache: CreamPoolsCache = new CreamPoolsCache(),
protected readonly getBancorServiceFn?: () => BancorService, // for dependency injection in tests
protected readonly tokenAdjacencyGraph: TokenAdjacencyGraph = { default: [] },
public readonly liquidityProviderRegistry: LiquidityProviderRegistry = LIQUIDITY_PROVIDER_REGISTRY,
) {}
public async getBancorServiceAsync(): Promise<BancorService> {
if (this.getBancorServiceFn !== undefined) {
return this.getBancorServiceFn();
}
if (this.provider === undefined) {
throw new Error('Cannot sample liquidity from Bancor; no provider supplied.');
}
if (this._bancorService === undefined) {
this._bancorService = await BancorService.createAsync(this.provider);
}
return this._bancorService;
bancorServiceFn: () => Promise<BancorService | undefined> = async () => undefined,
) {
// Initialize the Bancor service, fetching paths in the background
bancorServiceFn()
.then(service => (this._bancorService = service))
.catch(/* do nothing */);
}
public getTokenDecimals(makerTokenAddress: string, takerTokenAddress: string): BatchedOperation<BigNumber[]> {
@@ -588,28 +578,48 @@ export class SamplerOperations {
});
}
public async getBancorSellQuotesOffChainAsync(
public getBancorSellQuotes(
makerToken: string,
takerToken: string,
takerFillAmounts: BigNumber[],
): Promise<Array<DexSample<BancorFillData>>> {
const bancorService = await this.getBancorServiceAsync();
try {
const quotes = await bancorService.getQuotesAsync(takerToken, makerToken, takerFillAmounts);
return quotes.map((quote, i) => ({
source: ERC20BridgeSource.Bancor,
output: quote.amount,
input: takerFillAmounts[i],
fillData: quote.fillData,
}));
} catch (e) {
return takerFillAmounts.map(input => ({
source: ERC20BridgeSource.Bancor,
output: ZERO_AMOUNT,
input,
fillData: { path: [], networkAddress: '' },
}));
}
): SourceQuoteOperation<BancorFillData> {
const paths = this._bancorService ? this._bancorService.getPaths(takerToken, makerToken) : [];
return new SamplerContractOperation({
source: ERC20BridgeSource.Bancor,
contract: this._samplerContract,
function: this._samplerContract.sampleSellsFromBancor,
params: [paths, takerToken, makerToken, takerFillAmounts],
callback: (callResults: string, fillData: BancorFillData): BigNumber[] => {
const [networkAddress, path, samples] = this._samplerContract.getABIDecodedReturnData<
[string, string[], BigNumber[]]
>('sampleSellsFromBancor', callResults);
fillData.networkAddress = networkAddress;
fillData.path = path;
return samples;
},
});
}
// Unimplemented
public getBancorBuyQuotes(
makerToken: string,
takerToken: string,
makerFillAmounts: BigNumber[],
): SourceQuoteOperation<BancorFillData> {
return new SamplerContractOperation({
source: ERC20BridgeSource.Bancor,
contract: this._samplerContract,
function: this._samplerContract.sampleBuysFromBancor,
params: [[], takerToken, makerToken, makerFillAmounts],
callback: (callResults: string, fillData: BancorFillData): BigNumber[] => {
const [networkAddress, path, samples] = this._samplerContract.getABIDecodedReturnData<
[string, string[], BigNumber[]]
>('sampleSellsFromBancor', callResults);
fillData.networkAddress = networkAddress;
fillData.path = path;
return samples;
},
});
}
public getMooniswapSellQuotes(
@@ -1114,6 +1124,8 @@ export class SamplerOperations {
);
case ERC20BridgeSource.Dodo:
return this.getDODOSellQuotes(makerToken, takerToken, takerFillAmounts);
case ERC20BridgeSource.Bancor:
return this.getBancorSellQuotes(makerToken, takerToken, takerFillAmounts);
default:
throw new Error(`Unsupported sell sample source: ${source}`);
}
@@ -1237,6 +1249,8 @@ export class SamplerOperations {
);
case ERC20BridgeSource.Dodo:
return this.getDODOBuyQuotes(makerToken, takerToken, makerFillAmounts);
case ERC20BridgeSource.Bancor:
return this.getBancorBuyQuotes(makerToken, takerToken, makerFillAmounts);
default:
throw new Error(`Unsupported buy sample source: ${source}`);
}

View File

@@ -8,6 +8,7 @@ import { ContractArtifact } from 'ethereum-types';
import * as ApproximateBuys from '../test/generated-artifacts/ApproximateBuys.json';
import * as BalanceChecker from '../test/generated-artifacts/BalanceChecker.json';
import * as BalancerSampler from '../test/generated-artifacts/BalancerSampler.json';
import * as BancorSampler from '../test/generated-artifacts/BancorSampler.json';
import * as CurveSampler from '../test/generated-artifacts/CurveSampler.json';
import * as DeploymentConstants from '../test/generated-artifacts/DeploymentConstants.json';
import * as DODOSampler from '../test/generated-artifacts/DODOSampler.json';
@@ -15,6 +16,7 @@ import * as DummyLiquidityProvider from '../test/generated-artifacts/DummyLiquid
import * as ERC20BridgeSampler from '../test/generated-artifacts/ERC20BridgeSampler.json';
import * as Eth2DaiSampler from '../test/generated-artifacts/Eth2DaiSampler.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 IEth2Dai from '../test/generated-artifacts/IEth2Dai.json';
import * as IKyberNetwork from '../test/generated-artifacts/IKyberNetwork.json';
@@ -42,6 +44,7 @@ export const artifacts = {
ApproximateBuys: ApproximateBuys as ContractArtifact,
BalanceChecker: BalanceChecker as ContractArtifact,
BalancerSampler: BalancerSampler as ContractArtifact,
BancorSampler: BancorSampler as ContractArtifact,
CurveSampler: CurveSampler as ContractArtifact,
DODOSampler: DODOSampler as ContractArtifact,
DeploymentConstants: DeploymentConstants as ContractArtifact,
@@ -60,6 +63,7 @@ export const artifacts = {
UniswapSampler: UniswapSampler as ContractArtifact,
UniswapV2Sampler: UniswapV2Sampler as ContractArtifact,
IBalancer: IBalancer as ContractArtifact,
IBancor: IBancor as ContractArtifact,
ICurve: ICurve as ContractArtifact,
IEth2Dai: IEth2Dai as ContractArtifact,
IKyberNetwork: IKyberNetwork as ContractArtifact,

View File

@@ -1,72 +0,0 @@
import { web3Factory, Web3ProviderEngine } from '@0x/dev-utils';
import { Ethereum, getDecimals } from '@bancor/sdk/dist/blockchains/ethereum';
import { fromWei, toWei } from '@bancor/sdk/dist/helpers';
import { BlockchainType } from '@bancor/sdk/dist/types';
import * as chai from 'chai';
import * as _ from 'lodash';
import 'mocha';
import { BancorFillData, BigNumber } from '../src';
import { BancorService, token } from '../src/utils/market_operation_utils/bancor_service';
import { chaiSetup } from './utils/chai_setup';
chaiSetup.configure();
const expect = chai.expect;
const ADDRESS_REGEX = /^(0x)?[0-9a-f]{40}$/i;
const RPC_URL = `https://mainnet.infura.io/v3/${process.env.INFURA_PROJECT_ID}`;
const provider: Web3ProviderEngine = web3Factory.getRpcProvider({ rpcUrl: RPC_URL });
// tslint:disable:custom-no-magic-numbers
let bancorService: BancorService;
// These tests test the bancor SDK against mainnet
// TODO (xianny): After we move asset-swapper out of the monorepo, we should add an env variable to circle CI to run this test
describe.skip('Bancor Service', () => {
const eth = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
const bnt = '0x1f573d6fb3f13d689ff844b4ce37794d79a7ff1c';
it('should retrieve the bancor network address', async () => {
bancorService = await BancorService.createAsync(provider);
const networkAddress = bancorService.getBancorNetworkAddress();
expect(networkAddress).to.match(ADDRESS_REGEX);
});
it('should retrieve a quote', async () => {
const amt = new BigNumber(10e18);
const quotes = await bancorService.getQuotesAsync(eth, bnt, [amt]);
const fillData = quotes[0].fillData as BancorFillData;
// get rate from the bancor sdk
const blockchain = bancorService.sdk._core.blockchains[BlockchainType.Ethereum] as Ethereum;
const sourceDecimals = await getDecimals(blockchain, token(eth));
const rate = await bancorService.sdk.pricing.getRateByPath(
fillData.path.map(p => token(p)),
fromWei(amt.toString(), sourceDecimals),
);
const expectedRate = toWei(rate, await getDecimals(blockchain, token(bnt)));
expect(fillData.networkAddress).to.match(ADDRESS_REGEX);
expect(fillData.path[0].toLowerCase()).to.eq(eth);
expect(fillData.path[2].toLowerCase()).to.eq(bnt);
expect(fillData.path.length).to.eq(3); // eth -> bnt should be single hop!
expect(quotes[0].amount.dp(0)).to.bignumber.eq(
new BigNumber(expectedRate).multipliedBy(bancorService.minReturnAmountBufferPercentage).dp(0),
);
});
// HACK (xianny): for exploring SDK results
it('should retrieve multiple quotes', async () => {
const amts = [1, 10, 100, 1000].map(a => new BigNumber(a).multipliedBy(10e18));
const quotes = await bancorService.getQuotesAsync(eth, bnt, amts);
quotes.map((q, i) => {
// tslint:disable:no-console
const fillData = q.fillData as BancorFillData;
console.log(
`Input ${amts[i].toExponential()}; Output: ${q.amount}; Ratio: ${q.amount.dividedBy(amts[i])}, Path: ${
fillData.path.length
}\nPath: ${JSON.stringify(fillData.path)}`,
);
// tslint:enable:no-console
});
});
});

View File

@@ -17,9 +17,7 @@ import { DexOrderSampler, getSampleAmounts } from '../src/utils/market_operation
import { ERC20BridgeSource, TokenAdjacencyGraph } from '../src/utils/market_operation_utils/types';
import { MockBalancerPoolsCache } from './utils/mock_balancer_pools_cache';
import { MockBancorService } from './utils/mock_bancor_service';
import { MockSamplerContract } from './utils/mock_sampler_contract';
import { provider } from './utils/web3_wrapper';
const CHAIN_ID = 1;
// tslint:disable: custom-no-magic-numbers
@@ -104,7 +102,15 @@ describe('DexSampler tests', () => {
return expectedFillableAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getOrderFillableMakerAmounts(ORDERS, exchangeAddress),
);
@@ -120,7 +126,15 @@ describe('DexSampler tests', () => {
return expectedFillableAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getOrderFillableTakerAmounts(ORDERS, exchangeAddress),
);
@@ -140,7 +154,15 @@ describe('DexSampler tests', () => {
return ['0x', expectedMakerFillAmounts];
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getKyberSellQuotes(
'0x',
@@ -171,9 +193,10 @@ describe('DexSampler tests', () => {
undefined,
undefined,
undefined,
undefined,
undefined,
{ [poolAddress]: { tokens: [expectedMakerToken, expectedTakerToken], gasCost } },
{
[poolAddress]: { tokens: [expectedMakerToken, expectedTakerToken], gasCost },
},
async () => undefined,
);
const [result] = await dexOrderSampler.executeAsync(
dexOrderSampler.getSellQuotes(
@@ -214,9 +237,10 @@ describe('DexSampler tests', () => {
undefined,
undefined,
undefined,
undefined,
undefined,
{ [poolAddress]: { tokens: [expectedMakerToken, expectedTakerToken], gasCost } },
{
[poolAddress]: { tokens: [expectedMakerToken, expectedTakerToken], gasCost },
},
async () => undefined,
);
const [result] = await dexOrderSampler.executeAsync(
dexOrderSampler.getBuyQuotes(
@@ -251,7 +275,15 @@ describe('DexSampler tests', () => {
return expectedMakerFillAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getEth2DaiSellQuotes(expectedMakerToken, expectedTakerToken, expectedTakerFillAmounts),
);
@@ -271,7 +303,15 @@ describe('DexSampler tests', () => {
return expectedMakerFillAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getUniswapSellQuotes(expectedMakerToken, expectedTakerToken, expectedTakerFillAmounts),
);
@@ -290,7 +330,15 @@ describe('DexSampler tests', () => {
return expectedMakerFillAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getUniswapV2SellQuotes(
[expectedMakerToken, expectedTakerToken],
@@ -313,7 +361,15 @@ describe('DexSampler tests', () => {
return expectedTakerFillAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getEth2DaiBuyQuotes(expectedMakerToken, expectedTakerToken, expectedMakerFillAmounts),
);
@@ -333,7 +389,15 @@ describe('DexSampler tests', () => {
return expectedTakerFillAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getUniswapBuyQuotes(expectedMakerToken, expectedTakerToken, expectedMakerFillAmounts),
);
@@ -385,9 +449,9 @@ describe('DexSampler tests', () => {
undefined,
undefined,
undefined,
undefined,
undefined,
tokenAdjacencyGraph,
undefined,
async () => undefined,
);
const [quotes] = await dexOrderSampler.executeAsync(
dexOrderSampler.getSellQuotes(
@@ -441,8 +505,11 @@ describe('DexSampler tests', () => {
const dexOrderSampler = new DexOrderSampler(
new MockSamplerContract({}),
undefined,
undefined,
balancerPoolsCache,
undefined,
undefined,
undefined,
async () => undefined,
);
const quotes = await dexOrderSampler.getBalancerSellQuotesOffChainAsync(
expectedMakerToken,
@@ -451,45 +518,6 @@ describe('DexSampler tests', () => {
);
expect(quotes).to.have.lengthOf(0);
});
it('getSellQuotes() uses samples from Bancor', async () => {
const expectedTakerToken = randomAddress();
const expectedMakerToken = randomAddress();
const networkAddress = randomAddress();
const expectedTakerFillAmounts = getSampleAmounts(new BigNumber(100e18), 3);
const rate = getRandomFloat(0, 100);
const bancorService = await MockBancorService.createMockAsync({
getQuotesAsync: async (fromToken: string, toToken: string, amounts: BigNumber[]) => {
expect(fromToken).equal(expectedTakerToken);
expect(toToken).equal(expectedMakerToken);
return Promise.resolve(
amounts.map(a => ({
fillData: { path: [fromToken, toToken], networkAddress },
amount: a.multipliedBy(rate),
})),
);
},
});
const dexOrderSampler = new DexOrderSampler(
new MockSamplerContract({}),
undefined, // sampler overrides
provider,
undefined, // balancer cache
undefined, // cream cache
() => bancorService,
);
const quotes = await dexOrderSampler.getBancorSellQuotesOffChainAsync(
expectedMakerToken,
expectedTakerToken,
expectedTakerFillAmounts,
);
const expectedQuotes = expectedTakerFillAmounts.map(a => ({
source: ERC20BridgeSource.Bancor,
input: a,
output: a.multipliedBy(rate),
fillData: { path: [expectedTakerToken, expectedMakerToken], networkAddress },
}));
expect(quotes).to.deep.eq(expectedQuotes);
});
it('getBuyQuotes()', async () => {
const expectedTakerToken = randomAddress();
const expectedMakerToken = randomAddress();
@@ -530,9 +558,9 @@ describe('DexSampler tests', () => {
undefined,
undefined,
undefined,
undefined,
undefined,
tokenAdjacencyGraph,
undefined,
async () => undefined,
);
const [quotes] = await dexOrderSampler.executeAsync(
dexOrderSampler.getBuyQuotes(sources, expectedMakerToken, expectedTakerToken, expectedMakerFillAmounts),
@@ -577,8 +605,11 @@ describe('DexSampler tests', () => {
const dexOrderSampler = new DexOrderSampler(
new MockSamplerContract({}),
undefined,
undefined,
balancerPoolsCache,
undefined,
undefined,
undefined,
async () => undefined,
);
const quotes = await dexOrderSampler.getBalancerBuyQuotesOffChainAsync(
expectedMakerToken,
@@ -605,7 +636,15 @@ describe('DexSampler tests', () => {
return expectedFillableTakerAmounts;
},
});
const dexOrderSampler = new DexOrderSampler(sampler);
const dexOrderSampler = new DexOrderSampler(
sampler,
undefined,
undefined,
undefined,
undefined,
undefined,
async () => undefined,
);
const [fillableMakerAmounts, fillableTakerAmounts] = await dexOrderSampler.executeAsync(
dexOrderSampler.getOrderFillableMakerAmounts(ORDERS, exchangeAddress),
dexOrderSampler.getOrderFillableTakerAmounts(ORDERS, exchangeAddress),

View File

@@ -1,33 +0,0 @@
import { BigNumber } from '@0x/utils';
import { SDK } from '@bancor/sdk';
import { BancorService } from '../../src/utils/market_operation_utils/bancor_service';
import { BancorFillData, Quote } from '../../src/utils/market_operation_utils/types';
export interface Handlers {
getQuotesAsync: (fromToken: string, toToken: string, amount: BigNumber[]) => Promise<Array<Quote<BancorFillData>>>;
}
export class MockBancorService extends BancorService {
// Bancor recommends setting this value to 2% under the expected return amount
public minReturnAmountBufferPercentage = 0.98;
public static async createMockAsync(handlers: Partial<Handlers>): Promise<MockBancorService> {
const sdk = new SDK();
return new MockBancorService(sdk, handlers);
}
constructor(sdk: SDK, public handlers: Partial<Handlers>) {
super(sdk);
}
public async getQuotesAsync(
fromToken: string,
toToken: string,
amounts: BigNumber[],
): Promise<Array<Quote<BancorFillData>>> {
return this.handlers.getQuotesAsync
? this.handlers.getQuotesAsync(fromToken, toToken, amounts)
: super.getQuotesAsync(fromToken, toToken, amounts);
}
}

View File

@@ -6,6 +6,7 @@
export * from '../test/generated-wrappers/approximate_buys';
export * from '../test/generated-wrappers/balance_checker';
export * from '../test/generated-wrappers/balancer_sampler';
export * from '../test/generated-wrappers/bancor_sampler';
export * from '../test/generated-wrappers/curve_sampler';
export * from '../test/generated-wrappers/d_o_d_o_sampler';
export * from '../test/generated-wrappers/deployment_constants';
@@ -13,6 +14,7 @@ export * from '../test/generated-wrappers/dummy_liquidity_provider';
export * from '../test/generated-wrappers/erc20_bridge_sampler';
export * from '../test/generated-wrappers/eth2_dai_sampler';
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_eth2_dai';
export * from '../test/generated-wrappers/i_kyber_network';

View File

@@ -8,6 +8,7 @@
"test/generated-artifacts/ApproximateBuys.json",
"test/generated-artifacts/BalanceChecker.json",
"test/generated-artifacts/BalancerSampler.json",
"test/generated-artifacts/BancorSampler.json",
"test/generated-artifacts/CurveSampler.json",
"test/generated-artifacts/DODOSampler.json",
"test/generated-artifacts/DeploymentConstants.json",
@@ -15,6 +16,7 @@
"test/generated-artifacts/ERC20BridgeSampler.json",
"test/generated-artifacts/Eth2DaiSampler.json",
"test/generated-artifacts/IBalancer.json",
"test/generated-artifacts/IBancor.json",
"test/generated-artifacts/ICurve.json",
"test/generated-artifacts/IEth2Dai.json",
"test/generated-artifacts/IKyberNetwork.json",

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/contract-wrappers-test",
"version": "12.2.28",
"version": "12.2.30",
"engines": {
"node": ">=6.12"
},
@@ -34,7 +34,7 @@
"@0x/contract-wrappers": "^13.11.0",
"@0x/contracts-test-utils": "^5.3.15",
"@0x/dev-utils": "^4.1.3",
"@0x/migrations": "^6.5.4",
"@0x/migrations": "^6.5.6",
"@0x/order-utils": "^10.4.10",
"@0x/subproviders": "^6.2.3",
"@0x/ts-doc-gen": "^0.0.28",

View File

@@ -1,4 +1,22 @@
[
{
"timestamp": 1608149382,
"version": "6.5.6",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1608105788,
"version": "6.5.5",
"changes": [
{
"note": "Dependencies updated"
}
]
},
{
"timestamp": 1607485227,
"version": "6.5.4",

View File

@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v6.5.6 - _December 16, 2020_
* Dependencies updated
## v6.5.5 - _December 16, 2020_
* Dependencies updated
## v6.5.4 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/migrations",
"version": "6.5.4",
"version": "6.5.6",
"engines": {
"node": ">=6.12"
},
@@ -69,19 +69,19 @@
"dependencies": {
"@0x/base-contract": "^6.2.14",
"@0x/contract-addresses": "^5.6.0",
"@0x/contracts-asset-proxy": "^3.6.9",
"@0x/contracts-coordinator": "^3.1.18",
"@0x/contracts-dev-utils": "^1.3.16",
"@0x/contracts-asset-proxy": "^3.7.0",
"@0x/contracts-coordinator": "^3.1.19",
"@0x/contracts-dev-utils": "^1.3.17",
"@0x/contracts-erc1155": "^2.1.18",
"@0x/contracts-erc20": "^3.2.12",
"@0x/contracts-erc721": "^3.1.18",
"@0x/contracts-exchange": "^3.2.18",
"@0x/contracts-exchange-forwarder": "^4.2.18",
"@0x/contracts-extensions": "^6.2.12",
"@0x/contracts-multisig": "^4.1.18",
"@0x/contracts-staking": "^2.0.25",
"@0x/contracts-exchange": "^3.2.19",
"@0x/contracts-exchange-forwarder": "^4.2.19",
"@0x/contracts-extensions": "^6.2.13",
"@0x/contracts-multisig": "^4.1.19",
"@0x/contracts-staking": "^2.0.26",
"@0x/contracts-utils": "^4.6.3",
"@0x/contracts-zero-ex": "^0.12.0",
"@0x/contracts-zero-ex": "^0.14.0",
"@0x/sol-compiler": "^4.4.1",
"@0x/subproviders": "^6.2.3",
"@0x/typescript-typings": "^5.1.6",

View File

@@ -1,4 +1,14 @@
[
{
"version": "1.1.0",
"changes": [
{
"note": "Add the `MetaTransaction` class for EP mtxs",
"pr": 90
}
],
"timestamp": 1608149382
},
{
"timestamp": 1607485227,
"version": "1.0.1",

View File

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
CHANGELOG
## v1.1.0 - _December 16, 2020_
* Add the `MetaTransaction` class for EP mtxs (#90)
## v1.0.1 - _December 9, 2020_
* Dependencies updated

View File

@@ -1,6 +1,6 @@
{
"name": "@0x/protocol-utils",
"version": "1.0.1",
"version": "1.1.0",
"engines": {
"node": ">=6.12"
},

View File

@@ -1 +1,4 @@
import { BigNumber } from '@0x/utils';
export const ETH_TOKEN_ADDRESS = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
export const ZERO = new BigNumber(0);

View File

@@ -7,6 +7,8 @@ export interface EIP712Domain {
verifyingContract: string;
}
export type EIP712_STRUCT_ABI = Array<{ type: string; name: string }>;
export const EIP712_DOMAIN_PARAMETERS = [
{ name: 'name', type: 'string' },
{ name: 'version', type: 'string' },
@@ -68,3 +70,12 @@ export function getExchangeProxyEIP712Hash(structHash: string, chainId?: number,
hexUtils.concat('0x1901', getExchangeProxyEIP712DomainHash(chainId, verifyingContract), structHash),
);
}
/**
* Compute the type hash of an EIP712 struct given its ABI.
*/
export function getTypeHash(structName: string, abi: EIP712_STRUCT_ABI): string {
return hexUtils.hash(
hexUtils.toHex(Buffer.from([`${structName}(`, abi.map(a => `${a.type} ${a.name}`).join(','), ')'].join(''))),
);
}

View File

@@ -4,6 +4,7 @@ export const RevertError = _RevertErrors.RevertError;
export * from './eip712_utils';
export * from './orders';
export * from './meta_transactions';
export * from './signature_utils';
export * from './transformer_utils';
export * from './constants';

View File

@@ -0,0 +1,171 @@
import { getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
import { SupportedProvider } from '@0x/subproviders';
import { EIP712TypedData } from '@0x/types';
import { BigNumber, hexUtils, NULL_ADDRESS } from '@0x/utils';
import { ZERO } from './constants';
import {
createExchangeProxyEIP712Domain,
EIP712_DOMAIN_PARAMETERS,
getExchangeProxyEIP712Hash,
getTypeHash,
} from './eip712_utils';
import {
eip712SignTypedDataWithKey,
eip712SignTypedDataWithProviderAsync,
ethSignHashWithKey,
ethSignHashWithProviderAsync,
Signature,
SignatureType,
} from './signature_utils';
const MTX_DEFAULT_VALUES = {
signer: NULL_ADDRESS,
sender: NULL_ADDRESS,
minGasPrice: ZERO,
maxGasPrice: ZERO,
expirationTimeSeconds: ZERO,
salt: ZERO,
callData: hexUtils.leftPad(0),
value: ZERO,
feeToken: NULL_ADDRESS,
feeAmount: ZERO,
chainId: 1,
verifyingContract: getContractAddressesForChainOrThrow(1).exchangeProxy,
};
export type MetaTransactionFields = typeof MTX_DEFAULT_VALUES;
export class MetaTransaction {
public static readonly STRUCT_NAME = 'MetaTransactionData';
public static readonly STRUCT_ABI = [
{ type: 'address', name: 'signer' },
{ type: 'address', name: 'sender' },
{ type: 'uint256', name: 'minGasPrice' },
{ type: 'uint256', name: 'maxGasPrice' },
{ type: 'uint256', name: 'expirationTimeSeconds' },
{ type: 'uint256', name: 'salt' },
{ type: 'bytes', name: 'callData' },
{ type: 'uint256', name: 'value' },
{ type: 'address', name: 'feeToken' },
{ type: 'uint256', name: 'feeAmount' },
];
public static readonly TYPE_HASH = getTypeHash(MetaTransaction.STRUCT_NAME, MetaTransaction.STRUCT_ABI);
public signer: string;
public sender: string;
public minGasPrice: BigNumber;
public maxGasPrice: BigNumber;
public expirationTimeSeconds: BigNumber;
public salt: BigNumber;
public callData: string;
public value: BigNumber;
public feeToken: string;
public feeAmount: BigNumber;
public chainId: number;
public verifyingContract: string;
public constructor(fields: Partial<MetaTransactionFields> = {}) {
const _fields = { ...MTX_DEFAULT_VALUES, ...fields };
this.signer = _fields.signer;
this.sender = _fields.sender;
this.minGasPrice = _fields.minGasPrice;
this.maxGasPrice = _fields.maxGasPrice;
this.expirationTimeSeconds = _fields.expirationTimeSeconds;
this.salt = _fields.salt;
this.callData = _fields.callData;
this.value = _fields.value;
this.feeToken = _fields.feeToken;
this.feeAmount = _fields.feeAmount;
this.chainId = _fields.chainId;
this.verifyingContract = _fields.verifyingContract;
}
public clone(fields: Partial<MetaTransactionFields> = {}): MetaTransaction {
return new MetaTransaction({
signer: this.signer,
sender: this.sender,
minGasPrice: this.minGasPrice,
maxGasPrice: this.maxGasPrice,
expirationTimeSeconds: this.expirationTimeSeconds,
salt: this.salt,
callData: this.callData,
value: this.value,
feeToken: this.feeToken,
feeAmount: this.feeAmount,
chainId: this.chainId,
verifyingContract: this.verifyingContract,
...fields,
});
}
public getStructHash(): string {
return hexUtils.hash(
hexUtils.concat(
hexUtils.leftPad(MetaTransaction.TYPE_HASH),
hexUtils.leftPad(this.signer),
hexUtils.leftPad(this.sender),
hexUtils.leftPad(this.minGasPrice),
hexUtils.leftPad(this.maxGasPrice),
hexUtils.leftPad(this.expirationTimeSeconds),
hexUtils.leftPad(this.salt),
hexUtils.hash(this.callData),
hexUtils.leftPad(this.value),
hexUtils.leftPad(this.feeToken),
hexUtils.leftPad(this.feeAmount),
),
);
}
public getEIP712TypedData(): EIP712TypedData {
return {
types: {
EIP712Domain: EIP712_DOMAIN_PARAMETERS,
[MetaTransaction.STRUCT_NAME]: MetaTransaction.STRUCT_ABI,
},
domain: createExchangeProxyEIP712Domain(this.chainId, this.verifyingContract) as any,
primaryType: MetaTransaction.STRUCT_NAME,
message: {
signer: this.signer,
sender: this.sender,
minGasPrice: this.minGasPrice.toString(10),
maxGasPrice: this.maxGasPrice.toString(10),
expirationTimeSeconds: this.expirationTimeSeconds.toString(10),
salt: this.salt.toString(10),
callData: this.callData,
value: this.value.toString(10),
feeToken: this.feeToken,
feeAmount: this.feeAmount.toString(10),
},
};
}
public getHash(): string {
return getExchangeProxyEIP712Hash(this.getStructHash(), this.chainId, this.verifyingContract);
}
public async getSignatureWithProviderAsync(
provider: SupportedProvider,
type: SignatureType = SignatureType.EthSign,
): Promise<Signature> {
switch (type) {
case SignatureType.EIP712:
return eip712SignTypedDataWithProviderAsync(this.getEIP712TypedData(), this.signer, provider);
case SignatureType.EthSign:
return ethSignHashWithProviderAsync(this.getHash(), this.signer, provider);
default:
throw new Error(`Cannot sign with signature type: ${type}`);
}
}
public getSignatureWithKey(key: string, type: SignatureType = SignatureType.EthSign): Signature {
switch (type) {
case SignatureType.EIP712:
return eip712SignTypedDataWithKey(this.getEIP712TypedData(), key);
case SignatureType.EthSign:
return ethSignHashWithKey(this.getHash(), key);
default:
throw new Error(`Cannot sign with signature type: ${type}`);
}
}
}

View File

@@ -1,8 +1,15 @@
import { getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
import { SupportedProvider } from '@0x/subproviders';
import { EIP712TypedData } from '@0x/types';
import { BigNumber, hexUtils, NULL_ADDRESS } from '@0x/utils';
import { createExchangeProxyEIP712Domain, EIP712_DOMAIN_PARAMETERS, getExchangeProxyEIP712Hash } from './eip712_utils';
import { ZERO } from './constants';
import {
createExchangeProxyEIP712Domain,
EIP712_DOMAIN_PARAMETERS,
getExchangeProxyEIP712Hash,
getTypeHash,
} from './eip712_utils';
import {
eip712SignTypedDataWithKey,
eip712SignTypedDataWithProviderAsync,
@@ -12,7 +19,6 @@ import {
SignatureType,
} from './signature_utils';
const ZERO = new BigNumber(0);
const COMMON_ORDER_DEFAULT_VALUES = {
makerToken: NULL_ADDRESS,
takerToken: NULL_ADDRESS,
@@ -24,7 +30,7 @@ const COMMON_ORDER_DEFAULT_VALUES = {
expiry: ZERO,
salt: ZERO,
chainId: 1,
verifyingContract: '0xdef1c0ded9bec7f1a1670819833240f027b25eff',
verifyingContract: getContractAddressesForChainOrThrow(1).exchangeProxy,
};
const LIMIT_ORDER_DEFAULT_VALUES = {
...COMMON_ORDER_DEFAULT_VALUES,
@@ -117,30 +123,22 @@ export abstract class OrderBase {
}
export class LimitOrder extends OrderBase {
public static readonly TYPE_HASH = hexUtils.hash(
hexUtils.toHex(
Buffer.from(
[
'LimitOrder(',
[
'address makerToken',
'address takerToken',
'uint128 makerAmount',
'uint128 takerAmount',
'uint128 takerTokenFeeAmount',
'address maker',
'address taker',
'address sender',
'address feeRecipient',
'bytes32 pool',
'uint64 expiry',
'uint256 salt',
].join(','),
')',
].join(''),
),
),
);
public static readonly STRUCT_NAME = 'LimitOrder';
public static readonly STRUCT_ABI = [
{ type: 'address', name: 'makerToken' },
{ type: 'address', name: 'takerToken' },
{ type: 'uint128', name: 'makerAmount' },
{ type: 'uint128', name: 'takerAmount' },
{ type: 'uint128', name: 'takerTokenFeeAmount' },
{ type: 'address', name: 'maker' },
{ type: 'address', name: 'taker' },
{ type: 'address', name: 'sender' },
{ type: 'address', name: 'feeRecipient' },
{ type: 'bytes32', name: 'pool' },
{ type: 'uint64', name: 'expiry' },
{ type: 'uint256', name: 'salt' },
];
public static readonly TYPE_HASH = getTypeHash(LimitOrder.STRUCT_NAME, LimitOrder.STRUCT_ABI);
public takerTokenFeeAmount: BigNumber;
public sender: string;
@@ -198,23 +196,10 @@ export class LimitOrder extends OrderBase {
return {
types: {
EIP712Domain: EIP712_DOMAIN_PARAMETERS,
LimitOrder: [
{ type: 'address', name: 'makerToken' },
{ type: 'address', name: 'takerToken' },
{ type: 'uint128', name: 'makerAmount' },
{ type: 'uint128', name: 'takerAmount' },
{ type: 'uint128', name: 'takerTokenFeeAmount' },
{ type: 'address', name: 'maker' },
{ type: 'address', name: 'taker' },
{ type: 'address', name: 'sender' },
{ type: 'address', name: 'feeRecipient' },
{ type: 'bytes32', name: 'pool' },
{ type: 'uint64', name: 'expiry' },
{ type: 'uint256', name: 'salt' },
],
[LimitOrder.STRUCT_NAME]: LimitOrder.STRUCT_ABI,
},
domain: createExchangeProxyEIP712Domain(this.chainId, this.verifyingContract) as any,
primaryType: 'LimitOrder',
primaryType: LimitOrder.STRUCT_NAME,
message: {
makerToken: this.makerToken,
takerToken: this.takerToken,
@@ -234,28 +219,20 @@ export class LimitOrder extends OrderBase {
}
export class RfqOrder extends OrderBase {
public static readonly TYPE_HASH = hexUtils.hash(
hexUtils.toHex(
Buffer.from(
[
'RfqOrder(',
[
'address makerToken',
'address takerToken',
'uint128 makerAmount',
'uint128 takerAmount',
'address maker',
'address taker',
'address txOrigin',
'bytes32 pool',
'uint64 expiry',
'uint256 salt',
].join(','),
')',
].join(''),
),
),
);
public static readonly STRUCT_NAME = 'RfqOrder';
public static readonly STRUCT_ABI = [
{ type: 'address', name: 'makerToken' },
{ type: 'address', name: 'takerToken' },
{ type: 'uint128', name: 'makerAmount' },
{ type: 'uint128', name: 'takerAmount' },
{ type: 'address', name: 'maker' },
{ type: 'address', name: 'taker' },
{ type: 'address', name: 'txOrigin' },
{ type: 'bytes32', name: 'pool' },
{ type: 'uint64', name: 'expiry' },
{ type: 'uint256', name: 'salt' },
];
public static readonly TYPE_HASH = getTypeHash(RfqOrder.STRUCT_NAME, RfqOrder.STRUCT_ABI);
public txOrigin: string;
@@ -305,21 +282,10 @@ export class RfqOrder extends OrderBase {
return {
types: {
EIP712Domain: EIP712_DOMAIN_PARAMETERS,
RfqOrder: [
{ type: 'address', name: 'makerToken' },
{ type: 'address', name: 'takerToken' },
{ type: 'uint128', name: 'makerAmount' },
{ type: 'uint128', name: 'takerAmount' },
{ type: 'address', name: 'maker' },
{ type: 'address', name: 'taker' },
{ type: 'address', name: 'txOrigin' },
{ type: 'bytes32', name: 'pool' },
{ type: 'uint64', name: 'expiry' },
{ type: 'uint256', name: 'salt' },
],
[RfqOrder.STRUCT_NAME]: RfqOrder.STRUCT_ABI,
},
domain: createExchangeProxyEIP712Domain(this.chainId, this.verifyingContract) as any,
primaryType: 'RfqOrder',
primaryType: RfqOrder.STRUCT_NAME,
message: {
makerToken: this.makerToken,
takerToken: this.takerToken,

View File

@@ -0,0 +1,84 @@
import { chaiSetup, web3Factory, Web3Wrapper } from '@0x/dev-utils';
import { Web3ProviderEngine } from '@0x/subproviders';
import { BigNumber } from '@0x/utils';
import { expect } from 'chai';
import * as ethjs from 'ethereumjs-util';
import { MetaTransaction } from '../src/meta_transactions';
import { SignatureType } from '../src/signature_utils';
chaiSetup.configure();
describe('mtxs', () => {
let provider: Web3ProviderEngine;
let providerMaker: string;
const key = '0xee094b79aa0315914955f2f09be9abe541dcdc51f0aae5bec5453e9f73a471a6';
const keyMaker = ethjs.bufferToHex(ethjs.privateToAddress(ethjs.toBuffer(key)));
before(async () => {
provider = web3Factory.getRpcProvider({ shouldUseInProcessGanache: true });
[providerMaker] = await new Web3Wrapper(provider).getAvailableAddressesAsync();
});
describe('MetaTransaction', () => {
const mtx = new MetaTransaction({
signer: '0x349e8d89e8b37214d9ce3949fc5754152c525bc3',
sender: '0x83c62b2e67dea0df2a27be0def7a22bd7102642c',
minGasPrice: new BigNumber(1234),
maxGasPrice: new BigNumber(5678),
expirationTimeSeconds: new BigNumber(9101112),
salt: new BigNumber(2001),
callData: '0x12345678',
value: new BigNumber(1001),
feeToken: '0xcc3c7ea403427154ec908203ba6c418bd699f7ce',
feeAmount: new BigNumber(9101112),
chainId: 8008,
verifyingContract: '0x6701704d2421c64ee9aa93ec7f96ede81c4be77d',
});
it('can get the struct hash', () => {
const actual = mtx.getStructHash();
const expected = '0x164b8bfaed3718d233d4cc87501d0d8fa0a72ed7deeb8e591524133f17867180';
expect(actual).to.eq(expected);
});
it('can get the EIP712 hash', () => {
const actual = mtx.getHash();
const expected = '0x068f2f98836e489070608461768bfd3331128787d09278d38869c2b56bfc34a4';
expect(actual).to.eq(expected);
});
it('can get an EthSign signature with a provider', async () => {
const actual = await mtx.clone({ signer: providerMaker }).getSignatureWithProviderAsync(provider);
const expected = {
signatureType: SignatureType.EthSign,
r: '0xbb831776a2d6639d4e4d1641f158773ce202881bac74dddb2672d5ff5521ef5c',
s: '0x746a61ccfdfee3afae15f4a3bd67ded2ce555d89d482940a844eeffaede2ee8a',
v: 27,
};
expect(actual).to.deep.eq(expected);
});
it('can get an EthSign signature with a private key', () => {
const actual = mtx.clone({ signer: keyMaker }).getSignatureWithKey(key);
const expected = {
signatureType: SignatureType.EthSign,
r: '0xbf19b5ef62df8c8315727087e9d8562e3b88d32452ac8193e3ed9f5354a220ef',
s: '0x512387e81b2c03e4bc4cf72ee5293c86498c17fde3ae89f18dd0705076a7f472',
v: 28,
};
expect(actual).to.deep.eq(expected);
});
it('can get an EIP712 signature with a private key', () => {
const actual = mtx.clone({ signer: keyMaker }).getSignatureWithKey(key, SignatureType.EIP712);
const expected = {
signatureType: SignatureType.EIP712,
r: '0x050c6b80a3fafa1b816fdfd646f3e90862a21d3fbf3ed675eaf9c89e092ec405',
s: '0x179600bd412820233598628b85b58f1e9f6da4555421f45266ec2ebf94153d1d',
v: 27,
};
expect(actual).to.deep.eq(expected);
});
});
});

View File

@@ -1337,9 +1337,10 @@
isomorphic-fetch "^2.2.1"
typescript "^3.8.3"
"@bancor/sdk@^0.2.9":
"@bancor/sdk@0.2.9":
version "0.2.9"
resolved "https://registry.yarnpkg.com/@bancor/sdk/-/sdk-0.2.9.tgz#2e4c168dc9d667709e3ed85eac3b15362c5676d8"
integrity sha512-u+ga5+XPCcqYx6XX0It46Sx4hW9iiDRgaVRwpWzKB3QXh6c/V/R2OljLHH18yrh0uDTLJI7R0XmJa2W8v2wvpQ==
dependencies:
"@types/text-encoding" "0.0.35"
decimal.js "^10.2.0"
@@ -2569,6 +2570,11 @@
dependencies:
"@types/node" "*"
"@types/isomorphic-fetch@^0.0.35":
version "0.0.35"
resolved "https://registry.yarnpkg.com/@types/isomorphic-fetch/-/isomorphic-fetch-0.0.35.tgz#c1c0d402daac324582b6186b91f8905340ea3361"
integrity sha512-DaZNUvLDCAnCTjgwxgiL1eQdxIKEpNLOlTNtAgnZc50bG2copGhRrFN9/PxPBuJe+tZVLCbQ7ls0xveXVRPkvw==
"@types/js-combinatorics@^0.5.29":
version "0.5.32"
resolved "https://registry.yarnpkg.com/@types/js-combinatorics/-/js-combinatorics-0.5.32.tgz#befa3c2b6ea10c45fd8d672f7aa477a79a2601ed"
@@ -2625,6 +2631,13 @@
dependencies:
"@types/node" "*"
"@types/prompts@^2.0.9":
version "2.0.9"
resolved "https://registry.yarnpkg.com/@types/prompts/-/prompts-2.0.9.tgz#19f419310eaa224a520476b19d4183f6a2b3bd8f"
integrity sha512-TORZP+FSjTYMWwKadftmqEn6bziN5RnfygehByGsjxoK5ydnClddtv6GikGWPvCm24oI+YBwck5WDxIIyNxUrA==
dependencies:
"@types/node" "*"
"@types/prop-types@*":
version "15.7.3"
resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.3.tgz#2ab0d5da2e5815f94b0b9d4b95d1e5f243ab2ca7"
@@ -7846,6 +7859,14 @@ isomorphic-fetch@2.2.1, isomorphic-fetch@^2.2.1:
node-fetch "^1.0.1"
whatwg-fetch ">=0.10.0"
isomorphic-fetch@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-3.0.0.tgz#0267b005049046d2421207215d45d6a262b8b8b4"
integrity sha512-qvUtwJ3j6qwsF3jLxkZ72qCgjMysPzDfeV240JHiGZsANBYd+EEuu35v7dfrJ9Up0Ak07D7GGSkGhCHTqg/5wA==
dependencies:
node-fetch "^2.6.1"
whatwg-fetch "^3.4.1"
isstream@0.1.x, isstream@~0.1.2:
version "0.1.2"
resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -8138,6 +8159,11 @@ klaw@^1.0.0:
optionalDependencies:
graceful-fs "^4.1.9"
kleur@^3.0.3:
version "3.0.3"
resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
integrity sha512-eTIzlVOSUR+JxdDFepEYcBMtZ9Qqdef+rnzWdRZuMbOywu5tO2w2N7rqjoANZ5k9vywhL6Br1VRjUIgTQx4E8w==
lazy@~1.0.11:
version "1.0.11"
resolved "https://registry.yarnpkg.com/lazy/-/lazy-1.0.11.tgz#daa068206282542c088288e975c297c1ae77b690"
@@ -10300,6 +10326,14 @@ prompt@^1.0.0:
utile "0.3.x"
winston "2.1.x"
prompts@^2.4.0:
version "2.4.0"
resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.4.0.tgz#4aa5de0723a231d1ee9121c40fdf663df73f61d7"
integrity sha512-awZAKrk3vN6CroQukBL+R9051a4R3zCZBlJm/HBfrSZ8iTpYix3VX1vU4mveiLpiwmOJT4wokTF9m6HUk4KqWQ==
dependencies:
kleur "^3.0.3"
sisteransi "^1.0.5"
promzard@^0.3.0:
version "0.3.0"
resolved "https://registry.yarnpkg.com/promzard/-/promzard-0.3.0.tgz#26a5d6ee8c7dee4cb12208305acfb93ba382a9ee"
@@ -11333,6 +11367,11 @@ sinon@^4.0.0:
supports-color "^5.1.0"
type-detect "^4.0.5"
sisteransi@^1.0.5:
version "1.0.5"
resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.5.tgz#134d681297756437cc05ca01370d3a7a571075ed"
integrity sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==
slash@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -13439,6 +13478,11 @@ whatwg-fetch@>=0.10.0:
version "3.4.1"
resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.4.1.tgz#e5f871572d6879663fa5674c8f833f15a8425ab3"
whatwg-fetch@^3.4.1:
version "3.5.0"
resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.5.0.tgz#605a2cd0a7146e5db141e29d1c62ab84c0c4c868"
integrity sha512-jXkLtsR42xhXg7akoDKvKWE40eJeI+2KZqcp2h3NsOrRnDvtWX36KcKl30dy+hxECivdk2BVUHVNrPtoMBUx6A==
whatwg-url@^7.0.0:
version "7.1.0"
resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-7.1.0.tgz#c2c492f1eca612988efd3d2266be1b9fc6170d06"