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author | fragosti <francesco.agosti93@gmail.com> | 2018-08-08 04:52:53 +0800 |
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committer | fragosti <francesco.agosti93@gmail.com> | 2018-08-08 04:52:53 +0800 |
commit | 0a616ad3b8b87c8142598b535154564cb9276cbe (patch) | |
tree | 2069631964815b60dafd7f093cdd47579ec4d129 /packages/contract-wrappers/src/utils | |
parent | 57a44291233548da9785aec3cde92171342c9eb3 (diff) | |
parent | 8199e8794331f555679496d32cb87ad8513c31d1 (diff) | |
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Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/sra/add-sra-package
Diffstat (limited to 'packages/contract-wrappers/src/utils')
-rw-r--r-- | packages/contract-wrappers/src/utils/assert.ts | 60 | ||||
-rw-r--r-- | packages/contract-wrappers/src/utils/calldata_optimization_utils.ts | 44 | ||||
-rw-r--r-- | packages/contract-wrappers/src/utils/constants.ts | 2 |
3 files changed, 102 insertions, 4 deletions
diff --git a/packages/contract-wrappers/src/utils/assert.ts b/packages/contract-wrappers/src/utils/assert.ts index 842b16fa0..183642170 100644 --- a/packages/contract-wrappers/src/utils/assert.ts +++ b/packages/contract-wrappers/src/utils/assert.ts @@ -1,11 +1,14 @@ import { assert as sharedAssert } from '@0xproject/assert'; // HACK: We need those two unused imports because they're actually used by sharedAssert which gets injected here import { Schema } from '@0xproject/json-schemas'; // tslint:disable-line:no-unused-variable -import { isValidSignatureAsync } from '@0xproject/order-utils'; -import { ECSignature } from '@0xproject/types'; // tslint:disable-line:no-unused-variable +import { assetDataUtils, isValidSignatureAsync } from '@0xproject/order-utils'; +import { ECSignature, Order } from '@0xproject/types'; // tslint:disable-line:no-unused-variable import { BigNumber } from '@0xproject/utils'; // tslint:disable-line:no-unused-variable import { Web3Wrapper } from '@0xproject/web3-wrapper'; import { Provider } from 'ethereum-types'; +import * as _ from 'lodash'; + +import { constants } from './constants'; export const assert = { ...sharedAssert, @@ -16,12 +19,12 @@ export const assert = { signerAddress: string, ): Promise<void> { const isValid = await isValidSignatureAsync(provider, orderHash, signature, signerAddress); - this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`); + sharedAssert.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`); }, isValidSubscriptionToken(variableName: string, subscriptionToken: string): void { const uuidRegex = new RegExp('^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$'); const isValid = uuidRegex.test(subscriptionToken); - this.assert(isValid, `Expected ${variableName} to be a valid subscription token`); + sharedAssert.assert(isValid, `Expected ${variableName} to be a valid subscription token`); }, async isSenderAddressAsync( variableName: string, @@ -35,4 +38,53 @@ export const assert = { `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`, ); }, + ordersCanBeUsedForForwarderContract(orders: Order[], etherTokenAddress: string): void { + sharedAssert.assert(!_.isEmpty(orders), 'Expected at least 1 signed order. Found no orders'); + assert.ordersHaveAtMostOneUniqueValueForProperty(orders, 'makerAssetData'); + assert.allTakerAssetDatasAreErc20Token(orders, etherTokenAddress); + assert.allTakerAddressesAreNull(orders); + }, + feeOrdersCanBeUsedForForwarderContract(orders: Order[], zrxTokenAddress: string, etherTokenAddress: string): void { + if (!_.isEmpty(orders)) { + assert.allMakerAssetDatasAreErc20Token(orders, zrxTokenAddress); + assert.allTakerAssetDatasAreErc20Token(orders, etherTokenAddress); + } + }, + allTakerAddressesAreNull(orders: Order[]): void { + assert.ordersHaveAtMostOneUniqueValueForProperty(orders, 'takerAddress', constants.NULL_ADDRESS); + }, + allMakerAssetDatasAreErc20Token(orders: Order[], tokenAddress: string): void { + assert.ordersHaveAtMostOneUniqueValueForProperty( + orders, + 'makerAssetData', + assetDataUtils.encodeERC20AssetData(tokenAddress), + ); + }, + allTakerAssetDatasAreErc20Token(orders: Order[], tokenAddress: string): void { + assert.ordersHaveAtMostOneUniqueValueForProperty( + orders, + 'takerAssetData', + assetDataUtils.encodeERC20AssetData(tokenAddress), + ); + }, + /* + * Asserts that all the orders have the same value for the provided propertyName + * If the value parameter is provided, this asserts that all orders have the prope + */ + ordersHaveAtMostOneUniqueValueForProperty(orders: Order[], propertyName: string, value?: any): void { + const allValues = _.map(orders, order => _.get(order, propertyName)); + sharedAssert.hasAtMostOneUniqueValue( + allValues, + `Expected all orders to have the same ${propertyName} field. Found the following ${propertyName} values: ${JSON.stringify( + allValues, + )}`, + ); + if (!_.isUndefined(value)) { + const firstValue = _.head(allValues); + sharedAssert.assert( + firstValue === value, + `Expected all orders to have a ${propertyName} field with value: ${value}. Found: ${firstValue}`, + ); + } + }, }; diff --git a/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts b/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts new file mode 100644 index 000000000..3172cf531 --- /dev/null +++ b/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts @@ -0,0 +1,44 @@ +import { SignedOrder } from '@0xproject/types'; +import * as _ from 'lodash'; + +import { constants } from './constants'; + +export const calldataOptimizationUtils = { + /** + * Takes an array of orders and outputs an array of equivalent orders where all takerAssetData are '0x' and + * all makerAssetData are '0x' except for that of the first order, which retains its original value + * @param orders An array of SignedOrder objects + * @returns optimized orders + */ + optimizeForwarderOrders(orders: SignedOrder[]): SignedOrder[] { + const optimizedOrders = _.map(orders, (order, index) => + transformOrder(order, { + makerAssetData: index === 0 ? order.makerAssetData : constants.NULL_BYTES, + takerAssetData: constants.NULL_BYTES, + }), + ); + return optimizedOrders; + }, + /** + * Takes an array of orders and outputs an array of equivalent orders where all takerAssetData are '0x' and + * all makerAssetData are '0x' + * @param orders An array of SignedOrder objects + * @returns optimized orders + */ + optimizeForwarderFeeOrders(orders: SignedOrder[]): SignedOrder[] { + const optimizedOrders = _.map(orders, (order, index) => + transformOrder(order, { + makerAssetData: constants.NULL_BYTES, + takerAssetData: constants.NULL_BYTES, + }), + ); + return optimizedOrders; + }, +}; + +const transformOrder = (order: SignedOrder, partialOrder: Partial<SignedOrder>) => { + return { + ...order, + ...partialOrder, + }; +}; diff --git a/packages/contract-wrappers/src/utils/constants.ts b/packages/contract-wrappers/src/utils/constants.ts index 039475b7f..2df11538c 100644 --- a/packages/contract-wrappers/src/utils/constants.ts +++ b/packages/contract-wrappers/src/utils/constants.ts @@ -2,6 +2,7 @@ import { BigNumber } from '@0xproject/utils'; export const constants = { NULL_ADDRESS: '0x0000000000000000000000000000000000000000', + NULL_BYTES: '0x', TESTRPC_NETWORK_ID: 50, INVALID_JUMP_PATTERN: 'invalid JUMP at', REVERT: 'revert', @@ -10,4 +11,5 @@ export const constants = { // tslint:disable-next-line:custom-no-magic-numbers UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1), DEFAULT_BLOCK_POLLING_INTERVAL: 1000, + ZERO_AMOUNT: new BigNumber(0), }; |