diff options
author | Fabio Berger <me@fabioberger.com> | 2018-08-15 05:21:47 +0800 |
---|---|---|
committer | Fabio Berger <me@fabioberger.com> | 2018-08-15 05:21:47 +0800 |
commit | 2f2582a0da3095d61a99ef09744dc0995677558e (patch) | |
tree | 54989565919038c42d495dafb7426d4148605e84 /packages/order-utils/src/order_factory.ts | |
parent | 8169155a6547fb0283cd0f5362aad3c0b173b00b (diff) | |
parent | fadd292ecf367e42154856509d0ea0c20b23f2f1 (diff) | |
download | dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar.gz dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar.bz2 dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar.lz dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar.xz dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.tar.zst dexon-sol-tools-2f2582a0da3095d61a99ef09744dc0995677558e.zip |
Merge development
Diffstat (limited to 'packages/order-utils/src/order_factory.ts')
-rw-r--r-- | packages/order-utils/src/order_factory.ts | 97 |
1 files changed, 56 insertions, 41 deletions
diff --git a/packages/order-utils/src/order_factory.ts b/packages/order-utils/src/order_factory.ts index 14122f353..46a69ae4d 100644 --- a/packages/order-utils/src/order_factory.ts +++ b/packages/order-utils/src/order_factory.ts @@ -1,75 +1,90 @@ -import { ECSignature, SignedOrder } from '@0xproject/types'; +import { Order, SignedOrder, SignerType } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import { Provider } from 'ethereum-types'; -import * as ethUtil from 'ethereumjs-util'; import * as _ from 'lodash'; +import { constants } from './constants'; import { orderHashUtils } from './order_hash'; import { generatePseudoRandomSalt } from './salt'; import { signatureUtils } from './signature_utils'; -import { MessagePrefixType } from './types'; +import { CreateOrderOpts } from './types'; export const orderFactory = { - async createSignedOrderAsync( - provider: Provider, + createOrder( makerAddress: string, - takerAddress: string, - senderAddress: string, - makerFee: BigNumber, - takerFee: BigNumber, makerAssetAmount: BigNumber, makerAssetData: string, takerAssetAmount: BigNumber, takerAssetData: string, exchangeAddress: string, - feeRecipientAddress: string, - expirationTimeSecondsIfExists?: BigNumber, - ): Promise<SignedOrder> { - const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite - const expirationTimeSeconds = _.isUndefined(expirationTimeSecondsIfExists) - ? defaultExpirationUnixTimestampSec - : expirationTimeSecondsIfExists; + createOrderOpts: CreateOrderOpts = generateDefaultCreateOrderOpts(), + ): Order { + const defaultCreateOrderOpts = generateDefaultCreateOrderOpts(); const order = { makerAddress, - takerAddress, - senderAddress, - makerFee, - takerFee, makerAssetAmount, takerAssetAmount, makerAssetData, takerAssetData, - salt: generatePseudoRandomSalt(), exchangeAddress, - feeRecipientAddress, - expirationTimeSeconds, + takerAddress: createOrderOpts.takerAddress || defaultCreateOrderOpts.takerAddress, + senderAddress: createOrderOpts.senderAddress || defaultCreateOrderOpts.senderAddress, + makerFee: createOrderOpts.makerFee || defaultCreateOrderOpts.makerFee, + takerFee: createOrderOpts.takerFee || defaultCreateOrderOpts.takerFee, + feeRecipientAddress: createOrderOpts.feeRecipientAddress || defaultCreateOrderOpts.feeRecipientAddress, + salt: createOrderOpts.salt || defaultCreateOrderOpts.salt, + expirationTimeSeconds: + createOrderOpts.expirationTimeSeconds || defaultCreateOrderOpts.expirationTimeSeconds, }; + return order; + }, + async createSignedOrderAsync( + provider: Provider, + makerAddress: string, + makerAssetAmount: BigNumber, + makerAssetData: string, + takerAssetAmount: BigNumber, + takerAssetData: string, + exchangeAddress: string, + createOrderOpts?: CreateOrderOpts, + ): Promise<SignedOrder> { + const order = orderFactory.createOrder( + makerAddress, + makerAssetAmount, + makerAssetData, + takerAssetAmount, + takerAssetData, + exchangeAddress, + createOrderOpts, + ); const orderHash = orderHashUtils.getOrderHashHex(order); - const messagePrefixOpts = { - prefixType: MessagePrefixType.EthSign, - shouldAddPrefixBeforeCallingEthSign: false, - }; - const ecSignature = await signatureUtils.ecSignOrderHashAsync( + const signature = await signatureUtils.ecSignOrderHashAsync( provider, orderHash, makerAddress, - messagePrefixOpts, + SignerType.Default, ); - const signature = getVRSHexString(ecSignature); const signedOrder: SignedOrder = _.assign(order, { signature }); return signedOrder; }, }; -function getVRSHexString(ecSignature: ECSignature): string { - const ETH_SIGN_SIGNATURE_TYPE = '03'; - const vrs = `${intToHex(ecSignature.v)}${ethUtil.stripHexPrefix(ecSignature.r)}${ethUtil.stripHexPrefix( - ecSignature.s, - )}${ETH_SIGN_SIGNATURE_TYPE}`; - return vrs; -} - -function intToHex(i: number): string { - const hex = ethUtil.bufferToHex(ethUtil.toBuffer(i)); - return hex; +function generateDefaultCreateOrderOpts(): { + takerAddress: string; + senderAddress: string; + makerFee: BigNumber; + takerFee: BigNumber; + feeRecipientAddress: string; + salt: BigNumber; + expirationTimeSeconds: BigNumber; +} { + return { + takerAddress: constants.NULL_ADDRESS, + senderAddress: constants.NULL_ADDRESS, + makerFee: constants.ZERO_AMOUNT, + takerFee: constants.ZERO_AMOUNT, + feeRecipientAddress: constants.NULL_ADDRESS, + salt: generatePseudoRandomSalt(), + expirationTimeSeconds: constants.INFINITE_TIMESTAMP_SEC, + }; } |