aboutsummaryrefslogtreecommitdiffstats
path: root/packages/contracts/util/order.ts
diff options
context:
space:
mode:
Diffstat (limited to 'packages/contracts/util/order.ts')
-rw-r--r--packages/contracts/util/order.ts106
1 files changed, 0 insertions, 106 deletions
diff --git a/packages/contracts/util/order.ts b/packages/contracts/util/order.ts
deleted file mode 100644
index 57bb2bcbf..000000000
--- a/packages/contracts/util/order.ts
+++ /dev/null
@@ -1,106 +0,0 @@
-import { BigNumber } from '@0xproject/utils';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import ethUtil = require('ethereumjs-util');
-import * as _ from 'lodash';
-
-import { crypto } from './crypto';
-import { OrderParams } from './types';
-
-export class Order {
- public params: OrderParams;
- private _web3Wrapper: Web3Wrapper;
- constructor(web3Wrapper: Web3Wrapper, params: OrderParams) {
- this.params = params;
- this._web3Wrapper = web3Wrapper;
- }
- public isValidSignature() {
- const { v, r, s } = this.params;
- if (_.isUndefined(v) || _.isUndefined(r) || _.isUndefined(s)) {
- throw new Error('Cannot call isValidSignature on unsigned order');
- }
- const orderHash = this._getOrderHash();
- const msgHash = ethUtil.hashPersonalMessage(ethUtil.toBuffer(orderHash));
- try {
- const pubKey = ethUtil.ecrecover(msgHash, v, ethUtil.toBuffer(r), ethUtil.toBuffer(s));
- const recoveredAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
- return recoveredAddress === this.params.maker;
- } catch (err) {
- return false;
- }
- }
- public async signAsync() {
- const orderHash = this._getOrderHash();
- const signature = await this._web3Wrapper.signTransactionAsync(this.params.maker, orderHash);
- const { v, r, s } = ethUtil.fromRpcSig(signature);
- this.params = _.assign(this.params, {
- orderHashHex: orderHash,
- v,
- r: ethUtil.bufferToHex(r),
- s: ethUtil.bufferToHex(s),
- });
- }
- public createFill(shouldThrowOnInsufficientBalanceOrAllowance?: boolean, fillTakerTokenAmount?: BigNumber) {
- const fill = {
- orderAddresses: [
- this.params.maker,
- this.params.taker,
- this.params.makerToken,
- this.params.takerToken,
- this.params.feeRecipient,
- ],
- orderValues: [
- this.params.makerTokenAmount,
- this.params.takerTokenAmount,
- this.params.makerFee,
- this.params.takerFee,
- this.params.expirationTimestampInSec,
- this.params.salt,
- ],
- fillTakerTokenAmount: fillTakerTokenAmount || this.params.takerTokenAmount,
- shouldThrowOnInsufficientBalanceOrAllowance: !!shouldThrowOnInsufficientBalanceOrAllowance,
- v: this.params.v,
- r: this.params.r,
- s: this.params.s,
- };
- return fill;
- }
- public createCancel(cancelTakerTokenAmount?: BigNumber) {
- const cancel = {
- orderAddresses: [
- this.params.maker,
- this.params.taker,
- this.params.makerToken,
- this.params.takerToken,
- this.params.feeRecipient,
- ],
- orderValues: [
- this.params.makerTokenAmount,
- this.params.takerTokenAmount,
- this.params.makerFee,
- this.params.takerFee,
- this.params.expirationTimestampInSec,
- this.params.salt,
- ],
- cancelTakerTokenAmount: cancelTakerTokenAmount || this.params.takerTokenAmount,
- };
- return cancel;
- }
- private _getOrderHash(): string {
- const orderHash = crypto.solSHA3([
- this.params.exchangeContractAddress,
- this.params.maker,
- this.params.taker,
- this.params.makerToken,
- this.params.takerToken,
- this.params.feeRecipient,
- this.params.makerTokenAmount,
- this.params.takerTokenAmount,
- this.params.makerFee,
- this.params.takerFee,
- this.params.expirationTimestampInSec,
- this.params.salt,
- ]);
- const orderHashHex = ethUtil.bufferToHex(orderHash);
- return orderHashHex;
- }
-}