car-block-validator
Validate car block bytes with web3.storage supported codecs
car-block-validator validates @ipld/car blocks for the given hashers:
| hashes | import | repo |
|---|---|---|
sha2-256, sha2-512
|
multiformats/hashes/sha2 |
multiformats/js-multiformats |
sha3-224, sha3-256, sha3-384,sha3-512, shake-128, shake-256, keccak-224, keccak-256, keccak-384, keccak-512
|
@multiformats/sha3 |
multiformats/js-sha3 |
identity |
multiformats/hashes/identity |
multiformats/js-multiformats |
murmur3-128, murmur3-32
|
@multiformats/murmur3 |
multiformats/js-murmur3 |
blake2b-*, blake2s-*
|
@multiformats/blake2 |
multiformats/js-blake2 |
Install
# install it as a dependency
$ npm i @web3-storage/car-block-validatorUsage
import { validateBlock } from '@web3-storage/car-block-validator'
// Read CAR file as wished
// const inStream = fs.createReadStream(process.argv[2])
// const reader = await CarBlockIterator.fromIterable(inStream)
for await (const block of reader) {
await validateBlock(block)
// throws if not valid, either unknown codec or not valid bytes
}