web3.js

web3-validator

This is a sub-package of web3.js.

web3-validator contains functions for validating objects.

Installation

You can install the package either using NPM or using Yarn

Using NPM

npm install web3-validator

Using Yarn

yarn add web3-validator

Getting Started

:writing_hand: If you have questions submit an issue or join us on Discord

Usage

You can use the validator by importing as and using to validate;

import { validator } from 'web3-validator';

// To validate and throw
validator.validate(['uint8', 'string'], [val1, val2]);

// To validate and return error
const errors = validator.validate(['uint8', 'string'], [val1, val2], { silent: true });

To see more examples of schema you can use to validate check following file.

Following eth types are supported to validate.

Type	Input As	Description
uint	`number`, `string`, `HexString`	Unsigned integer, all ethereum compatible variants are also supported e.g. `uint8`, `uint256`. You can also use array specifiers as `uint[]` or `uint[2]`
int	`number`, `string`, `HexString`	Signed integer, all ethereum compatible variants are also supported e.g. `int8`, `int256`. You can also use array specifiers as `int[]` or `int[2]`
bytes	`HexString`, `Uint8Array`	Raw bytes. You can also use fixed length bytes as `bytes[2]`

For the ethereum compatible data values should be passed as arrays e.g. for schema ['uint', 'string'] value should be passed as [2, 'my-string'].

You can also pass full ABI schema for the validation. e.g.

[{ "name": "owner", "type": "address" }]

The implementation of the validator is extension of JSON-Schema-Draft07 with a custom keyword eth. So you can use JSON-Schema compatible schema to validate any object based data as well.

Prerequisites

:gear: NodeJS (LTS/Fermium)
:toolbox: Yarn/Lerna

Package.json Scripts

Script	Description
clean	Uses `rimraf` to remove `dist/`
build	Uses `tsc` to build package and dependent packages
lint	Uses `eslint` to lint package
lint:fix	Uses `eslint` to check and fix any warnings
format	Uses `prettier` to format the code
test	Uses `jest` to run unit tests
test:integration	Uses `jest` to run tests under `/test/integration`
test:unit	Uses `jest` to run tests under `/test/unit`

Current Tags

2.0.7-dev.bf16917.0 ... dev (a year ago)
2.0.6 ... latest (2 years ago)
2.0.0-rc.0 ... rc (3 years ago)

372 Versions

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