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author | Jacob Evans <dekz@dekz.net> | 2018-07-02 09:21:16 +0800 |
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committer | GitHub <noreply@github.com> | 2018-07-02 09:21:16 +0800 |
commit | ad570b8ae162a213b4b88c417ecd64d4661df18b (patch) | |
tree | d9acfb9e2459c4dfcac191061fefebe015ff5771 /packages/contracts/test/utils/order_factory.ts | |
parent | b9165c03af40983d885af2b18e729f11746de91d (diff) | |
parent | b9b00e10d39c3c84bc72892ef37f1313e904414d (diff) | |
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Merge branch 'v2-prototype' into eth-lightwallet-subprovider-final
Diffstat (limited to 'packages/contracts/test/utils/order_factory.ts')
-rw-r--r-- | packages/contracts/test/utils/order_factory.ts | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/packages/contracts/test/utils/order_factory.ts b/packages/contracts/test/utils/order_factory.ts new file mode 100644 index 000000000..009dbc396 --- /dev/null +++ b/packages/contracts/test/utils/order_factory.ts @@ -0,0 +1,37 @@ +import { generatePseudoRandomSalt, orderHashUtils } from '@0xproject/order-utils'; +import { Order, SignatureType, SignedOrder } from '@0xproject/types'; +import { BigNumber } from '@0xproject/utils'; + +import { constants } from './constants'; +import { signingUtils } from './signing_utils'; + +export class OrderFactory { + private _defaultOrderParams: Partial<Order>; + private _privateKey: Buffer; + constructor(privateKey: Buffer, defaultOrderParams: Partial<Order>) { + this._defaultOrderParams = defaultOrderParams; + this._privateKey = privateKey; + } + public newSignedOrder( + customOrderParams: Partial<Order> = {}, + signatureType: SignatureType = SignatureType.EthSign, + ): SignedOrder { + const tenMinutes = 10 * 60 * 1000; + const randomExpiration = new BigNumber(Date.now() + tenMinutes); + const order = ({ + senderAddress: constants.NULL_ADDRESS, + expirationTimeSeconds: randomExpiration, + 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; + } +} |