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authorFabio Berger <me@fabioberger.com>2017-11-13 11:17:18 +0800
committerFabio Berger <me@fabioberger.com>2017-11-13 11:17:18 +0800
commitc4ee2d73865a1444c079b9e2836b7630a0adf03e (patch)
treeb9c7794e7022fb189675d914f5fe58dcabd67dec /src/utils/assert.ts
parenta74ec0effa818a86233fe64cb0dad2c61bbb4bb6 (diff)
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Switch over to Lerna + Yarn Workspaces setup for a mono-repo approach
Diffstat (limited to 'src/utils/assert.ts')
-rw-r--r--src/utils/assert.ts101
1 files changed, 0 insertions, 101 deletions
diff --git a/src/utils/assert.ts b/src/utils/assert.ts
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index e5c9439f3..000000000
--- a/src/utils/assert.ts
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@@ -1,101 +0,0 @@
-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';
-
-const HEX_REGEX = /^0x[0-9A-F]*$/i;
-
-export const assert = {
- isBigNumber(variableName: string, value: BigNumber): void {
- const isBigNumber = _.isObject(value) && (value as any).isBigNumber;
- this.assert(isBigNumber, this.typeAssertionMessage(variableName, 'BigNumber', value));
- },
- isValidBaseUnitAmount(variableName: string, value: BigNumber) {
- assert.isBigNumber(variableName, value);
- const hasDecimals = value.decimalPlaces() !== 0;
- this.assert(
- !hasDecimals, `${variableName} should be in baseUnits (no decimals), found value: ${value.toNumber()}`,
- );
- },
- isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) {
- const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress);
- this.assert(isValidSignature, `Expected order with hash '${orderHash}' to have a valid signature`);
- },
- isUndefined(value: any, variableName?: string): void {
- this.assert(_.isUndefined(value), this.typeAssertionMessage(variableName, 'undefined', value));
- },
- isString(variableName: string, value: string): void {
- this.assert(_.isString(value), this.typeAssertionMessage(variableName, 'string', value));
- },
- isFunction(variableName: string, value: any): void {
- this.assert(_.isFunction(value), this.typeAssertionMessage(variableName, 'function', value));
- },
- isHexString(variableName: string, value: string): void {
- this.assert(_.isString(value) && HEX_REGEX.test(value),
- this.typeAssertionMessage(variableName, 'HexString', value));
- },
- isETHAddressHex(variableName: string, value: string): void {
- const web3 = new Web3();
- this.assert(web3.isAddress(value), this.typeAssertionMessage(variableName, 'ETHAddressHex', value));
- this.assert(
- web3.isAddress(value) && value.toLowerCase() === value,
- `Checksummed addresses are not supported. Convert ${variableName} to lower case before passing`,
- );
- },
- doesBelongToStringEnum(variableName: string, value: string,
- stringEnum: any /* There is no base type for every string enum */): void {
- const doesBelongToStringEnum = !_.isUndefined(stringEnum[value]);
- const enumValues = _.keys(stringEnum);
- const enumValuesAsStrings = _.map(enumValues, enumValue => `'${enumValue}'`);
- const enumValuesAsString = enumValuesAsStrings.join(', ');
- assert.assert(
- doesBelongToStringEnum,
- `Expected ${variableName} to be one of: ${enumValuesAsString}, encountered: ${value}`,
- );
- },
- async isSenderAddressAsync(variableName: string, senderAddressHex: string,
- web3Wrapper: Web3Wrapper): Promise<void> {
- assert.isETHAddressHex(variableName, senderAddressHex);
- const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
- assert.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');
- },
- hasAtMostOneUniqueValue(value: any[], errMsg: string): void {
- this.assert(_.uniq(value).length <= 1, errMsg);
- },
- isNumber(variableName: string, value: number): void {
- this.assert(_.isFinite(value), this.typeAssertionMessage(variableName, 'number', value));
- },
- isBoolean(variableName: string, value: boolean): void {
- this.assert(_.isBoolean(value), this.typeAssertionMessage(variableName, 'boolean', value));
- },
- isWeb3Provider(variableName: string, value: Web3.Provider): void {
- const isWeb3Provider = _.isFunction((value as any).send) || _.isFunction((value as any).sendAsync);
- this.assert(isWeb3Provider, this.typeAssertionMessage(variableName, 'Web3.Provider', value));
- },
- doesConformToSchema(variableName: string, value: any, schema: Schema): void {
- const schemaValidator = new SchemaValidator();
- const validationResult = schemaValidator.validate(value, schema);
- const hasValidationErrors = validationResult.errors.length > 0;
- const msg = `Expected ${variableName} to conform to schema ${schema.id}
-Encountered: ${JSON.stringify(value, null, '\t')}
-Validation errors: ${validationResult.errors.join(', ')}`;
- this.assert(!hasValidationErrors, msg);
- },
- assert(condition: boolean, message: string): void {
- if (!condition) {
- throw new Error(message);
- }
- },
- typeAssertionMessage(variableName: string, type: string, value: any): string {
- return `Expected ${variableName} to be of type ${type}, encountered: ${value}`;
- },
-};