diff options
author | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-09 19:02:25 +0800 |
---|---|---|
committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-09 19:02:25 +0800 |
commit | ea14913b412e78ff458bdfba47182f7363e776e5 (patch) | |
tree | 3ee220bfbbd9923b5e1adc36ee51f9b5d39ad640 /contracts/test-utils/src/order_factory.ts | |
parent | 5868c91cfb54cfa9177572b201d88d1168bf5b06 (diff) | |
parent | 5dd55491b86bf8577405e37d0f2d668aa1273b10 (diff) | |
download | dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar.gz dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar.bz2 dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar.lz dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar.xz dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.tar.zst dexon-sol-tools-ea14913b412e78ff458bdfba47182f7363e776e5.zip |
Merge development
Diffstat (limited to 'contracts/test-utils/src/order_factory.ts')
-rw-r--r-- | contracts/test-utils/src/order_factory.ts | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/contracts/test-utils/src/order_factory.ts b/contracts/test-utils/src/order_factory.ts new file mode 100644 index 000000000..2449d1a8a --- /dev/null +++ b/contracts/test-utils/src/order_factory.ts @@ -0,0 +1,38 @@ +import { generatePseudoRandomSalt, orderHashUtils } from '@0x/order-utils'; +import { Order, SignatureType, SignedOrder } from '@0x/types'; +import { BigNumber } from '@0x/utils'; + +import { getLatestBlockTimestampAsync } from './block_timestamp'; +import { constants } from './constants'; +import { signingUtils } from './signing_utils'; + +export class OrderFactory { + private readonly _defaultOrderParams: Partial<Order>; + private readonly _privateKey: Buffer; + constructor(privateKey: Buffer, defaultOrderParams: Partial<Order>) { + this._defaultOrderParams = defaultOrderParams; + this._privateKey = privateKey; + } + public async newSignedOrderAsync( + customOrderParams: Partial<Order> = {}, + signatureType: SignatureType = SignatureType.EthSign, + ): Promise<SignedOrder> { + const tenMinutesInSeconds = 10 * 60; + const currentBlockTimestamp = await getLatestBlockTimestampAsync(); + const order = ({ + senderAddress: constants.NULL_ADDRESS, + expirationTimeSeconds: new BigNumber(currentBlockTimestamp).add(tenMinutesInSeconds), + salt: generatePseudoRandomSalt(), + takerAddress: constants.NULL_ADDRESS, + ...this._defaultOrderParams, + ...customOrderParams, + } as any) as Order; + const orderHashBuff = orderHashUtils.getOrderHashBuffer(order); + const signature = signingUtils.signMessage(orderHashBuff, this._privateKey, signatureType); + const signedOrder = { + ...order, + signature: `0x${signature.toString('hex')}`, + }; + return signedOrder; + } +} |