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import * as _ from 'lodash';
import * as Web3 from 'web3';
import BigNumber from 'bignumber.js';
import {SchemaValidator, Schema} from '0x-json-schemas';
import {Web3Wrapper} from '../web3_wrapper';
import {signatureUtils} from '../utils/signature_utils';
import {ECSignature} from '../types';
import {assert as sharedAssert} from '0x-assert';
const HEX_REGEX = /^0x[0-9A-F]*$/i;
export const assert = _.extend({}, sharedAssert, {
isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) {
const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress);
this.assert(isValidSignature, `Expected order with hash '${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');
},
});
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