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-rw-r--r--contracts/test-utils/src/order_utils.ts58
1 files changed, 58 insertions, 0 deletions
diff --git a/contracts/test-utils/src/order_utils.ts b/contracts/test-utils/src/order_utils.ts
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index 000000000..4f7a34011
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+++ b/contracts/test-utils/src/order_utils.ts
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+import { OrderWithoutExchangeAddress, SignedOrder } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+
+import { constants } from './constants';
+import { CancelOrder, MatchOrder } from './types';
+
+export const orderUtils = {
+ getPartialAmountFloor(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
+ const partialAmount = numerator
+ .mul(target)
+ .div(denominator)
+ .floor();
+ return partialAmount;
+ },
+ createFill: (signedOrder: SignedOrder, takerAssetFillAmount?: BigNumber) => {
+ const fill = {
+ order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
+ takerAssetFillAmount: takerAssetFillAmount || signedOrder.takerAssetAmount,
+ signature: signedOrder.signature,
+ };
+ return fill;
+ },
+ createCancel(signedOrder: SignedOrder, takerAssetCancelAmount?: BigNumber): CancelOrder {
+ const cancel = {
+ order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
+ takerAssetCancelAmount: takerAssetCancelAmount || signedOrder.takerAssetAmount,
+ };
+ return cancel;
+ },
+ getOrderWithoutExchangeAddress(signedOrder: SignedOrder): OrderWithoutExchangeAddress {
+ const orderStruct = {
+ senderAddress: signedOrder.senderAddress,
+ makerAddress: signedOrder.makerAddress,
+ takerAddress: signedOrder.takerAddress,
+ feeRecipientAddress: signedOrder.feeRecipientAddress,
+ makerAssetAmount: signedOrder.makerAssetAmount,
+ takerAssetAmount: signedOrder.takerAssetAmount,
+ makerFee: signedOrder.makerFee,
+ takerFee: signedOrder.takerFee,
+ expirationTimeSeconds: signedOrder.expirationTimeSeconds,
+ salt: signedOrder.salt,
+ makerAssetData: signedOrder.makerAssetData,
+ takerAssetData: signedOrder.takerAssetData,
+ };
+ return orderStruct;
+ },
+ createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder {
+ const fill = {
+ left: orderUtils.getOrderWithoutExchangeAddress(signedOrderLeft),
+ right: orderUtils.getOrderWithoutExchangeAddress(signedOrderRight),
+ leftSignature: signedOrderLeft.signature,
+ rightSignature: signedOrderRight.signature,
+ };
+ fill.right.makerAssetData = constants.NULL_BYTES;
+ fill.right.takerAssetData = constants.NULL_BYTES;
+ return fill;
+ },
+};