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import { assert as sharedAssert } from '@0xproject/assert';
// HACK: We need those two unused imports because they're actually used by sharedAssert which gets injected here
import { Schema } from '@0xproject/json-schemas'; // tslint:disable-line:no-unused-variable
import { signatureUtils } from '@0xproject/order-utils';
import { ECSignature } from '@0xproject/types'; // tslint:disable-line:no-unused-variable
import { BigNumber } from '@0xproject/utils'; // tslint:disable-line:no-unused-variable
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import { Provider } from 'ethereum-types';
export const assert = {
...sharedAssert,
async isValidSignatureAsync(
provider: Provider,
orderHash: string,
signature: string,
signerAddress: string,
): Promise<void> {
const isValid = await signatureUtils.isValidSignatureAsync(provider, orderHash, signature, signerAddress);
this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
},
isValidSubscriptionToken(variableName: string, subscriptionToken: string): void {
const uuidRegex = new RegExp('^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$');
const isValid = uuidRegex.test(subscriptionToken);
this.assert(isValid, `Expected ${variableName} to be a valid subscription token`);
},
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`,
);
},
};
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