@0x/contracts-test-utils
Version:
Test utils for 0x contracts
53 lines • 2.46 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.orderHashUtils = void 0;
const assert_1 = require("@0x/assert");
const json_schemas_1 = require("@0x/json-schemas");
const order_utils_1 = require("@0x/order-utils");
const utils_1 = require("@0x/utils");
const _ = require("lodash");
const INVALID_TAKER_FORMAT = 'instance.takerAddress is not of a type(s) string';
const NULL_ADDRESS = '0x0000000000000000000000000000000000000000';
exports.orderHashUtils = {
/**
* Computes the orderHash for a supplied order.
* @param order An object that conforms to the Order or SignedOrder interface definitions.
* @return Hex encoded string orderHash from hashing the supplied order.
*/
getOrderHashHex(order) {
try {
assert_1.assert.doesConformToSchema('order', order, json_schemas_1.schemas.orderSchema, [json_schemas_1.schemas.hexSchema]);
}
catch (error) {
if (_.includes(error.message, INVALID_TAKER_FORMAT)) {
const errMsg = `Order taker must be of type string. If you want anyone to be able to fill an order - pass ${NULL_ADDRESS}`;
throw new Error(errMsg);
}
throw error;
}
const orderHashBuff = exports.orderHashUtils.getOrderHashBuffer(order);
const orderHashHex = `0x${orderHashBuff.toString('hex')}`;
return orderHashHex;
},
/**
* Computes the orderHash for a supplied order
* @param order An object that conforms to the Order or SignedOrder interface definitions.
* @return A Buffer containing the resulting orderHash from hashing the supplied order
*/
getOrderHashBuffer(order) {
try {
assert_1.assert.doesConformToSchema('order', order, json_schemas_1.schemas.orderSchema, [json_schemas_1.schemas.hexSchema]);
}
catch (error) {
if (_.includes(error.message, INVALID_TAKER_FORMAT)) {
const errMsg = `Order taker must be of type string. If you want anyone to be able to fill an order - pass ${NULL_ADDRESS}`;
throw new Error(errMsg);
}
throw error;
}
const typedData = order_utils_1.eip712Utils.createOrderTypedData(order);
const orderHashBuff = utils_1.signTypedDataUtils.generateTypedDataHash(typedData);
return orderHashBuff;
},
};
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