38 lines
1.6 KiB
TypeScript
38 lines
1.6 KiB
TypeScript
import { assert as sharedAssert } from '@0xproject/assert';
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// HACK: We need those two unused imports because they're actually used by sharedAssert which gets injected here
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// tslint:disable:no-unused-variable
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import { Schema } from '@0xproject/json-schemas';
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import { ECSignature, SignatureType } from '@0xproject/types';
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import { BigNumber } from '@0xproject/utils';
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import { Web3Wrapper } from '@0xproject/web3-wrapper';
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// tslint:enable:no-unused-variable
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import * as _ from 'lodash';
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import { utils } from './utils';
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export const assert = {
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...sharedAssert,
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async isSenderAddressAsync(
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variableName: string,
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senderAddressHex: string,
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web3Wrapper: Web3Wrapper,
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): Promise<void> {
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sharedAssert.isETHAddressHex(variableName, senderAddressHex);
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const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
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sharedAssert.assert(
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isSenderAddressAvailable,
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`Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
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);
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},
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isOneOfExpectedSignatureTypes(signature: string, signatureTypes: SignatureType[]): void {
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sharedAssert.isHexString('signature', signature);
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const signatureTypeIndexIfExists = utils.getSignatureTypeIndexIfExists(signature);
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const isExpectedSignatureType = _.includes(signatureTypes, signatureTypeIndexIfExists);
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if (!isExpectedSignatureType) {
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throw new Error(
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`Unexpected signatureType: ${signatureTypeIndexIfExists}. Valid signature types: ${signatureTypes}`,
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);
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}
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},
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};
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