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author | Amir Bandeali <abandeali1@gmail.com> | 2018-06-27 10:12:43 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-06-30 09:05:40 +0800 |
commit | 2fcc36bbadcb8238ee292afc58c2cd460d1b69da (patch) | |
tree | 235d3f2b361194a2e9ba41c4981a35daa99ac863 /packages/contracts/test/utils/order_factory.ts | |
parent | 762c0143eb10306ca70b0f206e80eb9aed925f99 (diff) | |
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Update file structure
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; + } +} |