Bump eosjs from 20.0.3 to 21.0.3

[dependabot-preview]

Bumps eosjs from 20.0.3 to 21.0.3.

Release notes

Sourced from eosjs's releases.

EOSJS v21.0.3 Release Notes

This release contains security, stability, and miscellaneous fixes.

Sign/Recover/Verify Encoding Argument and Hashing

There was an issue using the new sign/recover/verify methods within eosjs due to the encoding argument during the hashing functionality. Utilizing these functions with the shouldHash argument set to false and sending hashed data was not affected.

Other Changes

• (#783) [docs] 21.0.x update docs.json for remove_extension filter
• (#786) Resolving issue with encoding argument (release/21.0.x)
• (#787) Bumping version to 21.0.3

Disclaimer: All repositories and other materials are provided subject to this IMPORTANT notice and you must familiarize yourself with its terms. The notice contains important information, limitations and restrictions relating to our software, publications, trademarks, third-party resources, and forward-looking statements. By accessing any of our repositories and other materials, you accept and agree to the terms of the notice.

EOSJS v21.0.2 Release Notes

Note: Since this release promotes EOSJS v21.0.2-rc3 to v21.0.2 (stable), using the @latest tag will now automatically cause an upgrade from v20.0.x to v21.0.2.

Switch to elliptic cryptography library

eosjs-ecc has been replaced with the elliptic cryptographic library. The eosjs public API has been maintained; this is only a change to the internals.

Conversion Helpers To/From elliptic lib's Format

elliptic stores keys and signatures differently than eosjs-ecc. For ease of use, conversion functions have been added. These are primarily located in src/eosjs-key-conversions.ts as well as re-exported in src/eosjs-jssig.ts. Usage examples of each can be found in src/tests/eosjs-jssig.test.ts. A glimpse of the functions follows:

// Private Key from EOSIO PUB_K1_ string format to `elliptic` and back
const privEllipticKey = PrivateKey.fromString(eosioK1PrivateKeyAsString).toElliptic();
const finalEosioKeyAsK1String = PrivateKey.fromElliptic(privEllipticKey).toString();
// Public Key from EOSIO PUB_K1_ string format to Elliptic and back
const ellipticPubKey = PublicKey.fromString(eosioK1PubKeyAsString).toElliptic();
const finalEosioKeyAsK1String = PublicKey.fromElliptic(ellipticPubKey).toString();
// Signature from EOS string format to elliptic and back
const ellipticSig = Signature.fromString(eosioSignatureAsString).toElliptic();
const finalEosioSignatureAsString = Signature.fromElliptic(ellipticSig).toString();
// Perform digest of data
digestFromSerializedData()  // wraps the construction of a digest from the data being digested

Additional Helpers with elliptic

elliptic has methods to sign, verify, and recover keys and signatures. For ease of use, helper functions that perform the conversion and operation of those methods have been added. These are added to PublicKey, PrivateKey, and Signature classes located in src/eosjs-key-conversions.ts as well as re-exported in src/eosjs-jssig.ts. Usage examples of each can be found in src/tests/eosjs-jssig.test.ts. Additionally, sha256 and generateKeyPair are available in src/eosjs-key-conversions.ts. A glimpse of the functions follows:

// Create a message digest with sha256
const digest = sha256(message);
// Generate a Key Pair with specified curve key type.  Intended for non-browser environments or development
</tr></table> ... (truncated)

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