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authorLeonid Logvinov <logvinov.leon@gmail.com>2018-04-24 22:36:35 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2018-05-02 20:10:24 +0800
commit0499541e114e6dd36565428f4f914e0dbdece2b8 (patch)
tree6d4740f4343f4516a9ecafc4795b68aed0865c75 /packages/order-utils/src/assert.ts
parentf08738e13379ea86a33ad9be9f7579e637e69acb (diff)
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Move order utils to @0xproject/order-utils
Diffstat (limited to 'packages/order-utils/src/assert.ts')
-rw-r--r--packages/order-utils/src/assert.ts35
1 files changed, 35 insertions, 0 deletions
diff --git a/packages/order-utils/src/assert.ts b/packages/order-utils/src/assert.ts
new file mode 100644
index 000000000..92641b845
--- /dev/null
+++ b/packages/order-utils/src/assert.ts
@@ -0,0 +1,35 @@
+import { assert as sharedAssert } from '@0xproject/assert';
+// We need those two unused imports because they're actually used by sharedAssert which gets injected here
+// tslint:disable-next-line:no-unused-variable
+import { Schema } from '@0xproject/json-schemas';
+// tslint:disable-next-line:no-unused-variable
+import { ECSignature } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+
+import { isValidSignature } from './signature_utils';
+
+export const assert = {
+ ...sharedAssert,
+ isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) {
+ const isValid = isValidSignature(orderHash, ecSignature, signerAddress);
+ this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
+ },
+ async isSenderAddressAsync(
+ variableName: string,
+ senderAddressHex: string,
+ web3Wrapper: Web3Wrapper,
+ ): Promise<void> {
+ sharedAssert.isETHAddressHex(variableName, senderAddressHex);
+ const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
+ sharedAssert.assert(
+ isSenderAddressAvailable,
+ `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
+ );
+ },
+ async isUserAddressAvailableAsync(web3Wrapper: Web3Wrapper): Promise<void> {
+ const availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
+ this.assert(!_.isEmpty(availableAddresses), 'No addresses were available on the provided web3 provider');
+ },
+};