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authorJacob Evans <jacob@dekz.net>2018-08-16 13:28:59 +0800
committerJacob Evans <jacob@dekz.net>2018-08-16 14:51:55 +0800
commit36668f94090fa5c35f636f6b7ba597fcb89c068d (patch)
tree0bd36feb98e249ad4c790f63c0a521ce85cb973b /packages/contract-wrappers/src/utils
parent480d28ea26be86d685d81059a0dbe4cd025f0c21 (diff)
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[Contract-wrappers] Exchange execute transaction encoder
Diffstat (limited to 'packages/contract-wrappers/src/utils')
-rw-r--r--packages/contract-wrappers/src/utils/execute_transaction_encoder.ts124
1 files changed, 124 insertions, 0 deletions
diff --git a/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts b/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts
new file mode 100644
index 000000000..9c941c550
--- /dev/null
+++ b/packages/contract-wrappers/src/utils/execute_transaction_encoder.ts
@@ -0,0 +1,124 @@
+import { schemas } from '@0xproject/json-schemas';
+import { EIP712Schema, EIP712Types, EIP712Utils } from '@0xproject/order-utils';
+import { Order, SignedOrder } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import _ = require('lodash');
+
+import { ExchangeContract } from '../contract_wrappers/generated/exchange';
+
+import { assert } from './assert';
+
+const EIP712_ZEROEX_TRANSACTION_SCHEMA: EIP712Schema = {
+ name: 'ZeroExTransaction',
+ parameters: [
+ { name: 'salt', type: EIP712Types.Uint256 },
+ { name: 'signerAddress', type: EIP712Types.Address },
+ { name: 'data', type: EIP712Types.Bytes },
+ ],
+};
+
+export class ExecuteTransactionEncoder {
+ private _exchangeInstance: ExchangeContract;
+ constructor(exchangeInstance: ExchangeContract) {
+ this._exchangeInstance = exchangeInstance;
+ }
+ public getExecuteTransactionHex(data: string, salt: BigNumber, signerAddress: string): string {
+ const exchangeAddress = this._exchangeInstance.address;
+ const executeTransactionData = {
+ salt,
+ signerAddress,
+ data,
+ };
+ const executeTransactionHashBuff = EIP712Utils.structHash(
+ EIP712_ZEROEX_TRANSACTION_SCHEMA,
+ executeTransactionData,
+ );
+ const eip721MessageBuffer = EIP712Utils.createEIP712Message(executeTransactionHashBuff, exchangeAddress);
+ const messageHex = `0x${eip721MessageBuffer.toString('hex')}`;
+ return messageHex;
+ }
+ public fillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
+ assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
+ const abiEncodedData = this._exchangeInstance.fillOrder.getABIEncodedTransactionData(
+ signedOrder,
+ takerAssetFillAmount,
+ signedOrder.signature,
+ );
+ return abiEncodedData;
+ }
+ public fillOrderNoThrow(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
+ assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
+ const abiEncodedData = this._exchangeInstance.fillOrderNoThrow.getABIEncodedTransactionData(
+ signedOrder,
+ takerAssetFillAmount,
+ signedOrder.signature,
+ );
+ return abiEncodedData;
+ }
+ public fillOrKillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
+ assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
+ const abiEncodedData = this._exchangeInstance.fillOrKillOrder.getABIEncodedTransactionData(
+ signedOrder,
+ takerAssetFillAmount,
+ signedOrder.signature,
+ );
+ return abiEncodedData;
+ }
+ public cancelOrdersUpTo(targetOrderEpoch: BigNumber): string {
+ assert.isBigNumber('targetOrderEpoch', targetOrderEpoch);
+ const abiEncodedData = this._exchangeInstance.cancelOrdersUpTo.getABIEncodedTransactionData(targetOrderEpoch);
+ return abiEncodedData;
+ }
+ public cancelOrder(order: Order | SignedOrder): string {
+ assert.doesConformToSchema('order', order, schemas.orderSchema);
+ const abiEncodedData = this._exchangeInstance.cancelOrder.getABIEncodedTransactionData(order);
+ return abiEncodedData;
+ }
+ public marketSellOrders(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+ assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount);
+ const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
+ const abiEncodedData = this._exchangeInstance.marketSellOrders.getABIEncodedTransactionData(
+ signedOrders,
+ takerAssetFillAmount,
+ signatures,
+ );
+ return abiEncodedData;
+ }
+ public marketSellOrdersNoThrow(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+ assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount);
+ const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
+ const abiEncodedData = this._exchangeInstance.marketSellOrdersNoThrow.getABIEncodedTransactionData(
+ signedOrders,
+ takerAssetFillAmount,
+ signatures,
+ );
+ return abiEncodedData;
+ }
+ public marketBuyOrders(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+ assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount);
+ const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
+ const abiEncodedData = this._exchangeInstance.marketBuyOrders.getABIEncodedTransactionData(
+ signedOrders,
+ makerAssetFillAmount,
+ signatures,
+ );
+ return abiEncodedData;
+ }
+ public marketBuyOrdersNoThrow(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string {
+ assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+ assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount);
+ const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
+ const abiEncodedData = this._exchangeInstance.marketBuyOrdersNoThrow.getABIEncodedTransactionData(
+ signedOrders,
+ makerAssetFillAmount,
+ signatures,
+ );
+ return abiEncodedData;
+ }
+}