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-rw-r--r--packages/contracts/util/formatters.ts77
1 files changed, 77 insertions, 0 deletions
diff --git a/packages/contracts/util/formatters.ts b/packages/contracts/util/formatters.ts
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+++ b/packages/contracts/util/formatters.ts
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+import {BigNumber} from 'bignumber.js';
+import * as _ from 'lodash';
+
+import {Order} from './order';
+import {BatchCancelOrders, BatchFillOrders, FillOrdersUpTo} from './types';
+
+export const formatters = {
+ createBatchFill(orders: Order[],
+ shouldThrowOnInsufficientBalanceOrAllowance: boolean,
+ fillTakerTokenAmounts: BigNumber[] = []) {
+ const batchFill: BatchFillOrders = {
+ orderAddresses: [],
+ orderValues: [],
+ fillTakerTokenAmounts,
+ shouldThrowOnInsufficientBalanceOrAllowance,
+ v: [],
+ r: [],
+ s: [],
+ };
+ _.forEach(orders, order => {
+ batchFill.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
+ order.params.takerToken, order.params.feeRecipient]);
+ batchFill.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
+ order.params.makerFee, order.params.takerFee,
+ order.params.expirationTimestampInSec, order.params.salt]);
+ batchFill.v.push(order.params.v);
+ batchFill.r.push(order.params.r);
+ batchFill.s.push(order.params.s);
+ if (fillTakerTokenAmounts.length < orders.length) {
+ batchFill.fillTakerTokenAmounts.push(order.params.takerTokenAmount);
+ }
+ });
+ return batchFill;
+ },
+ createFillUpTo(orders: Order[],
+ shouldThrowOnInsufficientBalanceOrAllowance: boolean,
+ fillTakerTokenAmount: BigNumber) {
+ const fillUpTo: FillOrdersUpTo = {
+ orderAddresses: [],
+ orderValues: [],
+ fillTakerTokenAmount,
+ shouldThrowOnInsufficientBalanceOrAllowance,
+ v: [],
+ r: [],
+ s: [],
+ };
+ orders.forEach(order => {
+ fillUpTo.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
+ order.params.takerToken, order.params.feeRecipient]);
+ fillUpTo.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
+ order.params.makerFee, order.params.takerFee,
+ order.params.expirationTimestampInSec, order.params.salt]);
+ fillUpTo.v.push(order.params.v);
+ fillUpTo.r.push(order.params.r);
+ fillUpTo.s.push(order.params.s);
+ });
+ return fillUpTo;
+ },
+ createBatchCancel(orders: Order[], cancelTakerTokenAmounts: BigNumber[] = []) {
+ const batchCancel: BatchCancelOrders = {
+ orderAddresses: [],
+ orderValues: [],
+ cancelTakerTokenAmounts,
+ };
+ orders.forEach(order => {
+ batchCancel.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
+ order.params.takerToken, order.params.feeRecipient]);
+ batchCancel.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
+ order.params.makerFee, order.params.takerFee,
+ order.params.expirationTimestampInSec, order.params.salt]);
+ if (cancelTakerTokenAmounts.length < orders.length) {
+ batchCancel.cancelTakerTokenAmounts.push(order.params.takerTokenAmount);
+ }
+ });
+ return batchCancel;
+ },
+};