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ridl-js

v1.0.4

Published

RIDL is a multi-chain reputation and identity layer which promotes on-chain reputing of entities. This library is a simple wrapper around the RIDL API which is used to allow EOSIO contracts to not require users to have EOSIO accounts (public key pinning

Downloads

4

Readme

RIDL JS

RIDL is a multi-chain reputation and identity layer which promotes on-chain reputing of entities. This library is a simple wrapper around the RIDL API which is used to allow EOSIO contracts to not require users to have EOSIO accounts (public key pinning).

Instantiation

Nodejs

  • npm: npm i -S ridl-js
  • yarn: yarn add ridl-js
const RidlJS = require('ridl-js');

// https://github.com/EOSIO/eosjs-ecc/
const signer = hash => ecc.signHash(hash, someKey);

const ridl = RidlJS(signer);

Browser

// Just copy `index.js` to your project and rename it.
<script src="./ridl.js"></script>

... same as above

Methods

Valid Name

Checks if a username is valid.

if(ridl.validName(username)){ ... }

Get Chains

Gets a list of the currently used chains for RIDL

const chains = await ridl.chains();
// ['chain_id1', 'chain_id2',]

Get Hosts

Gets a list of the currently used hosts for a chain

const hosts = await ridl.hosts(chain);
// ['https://node.com']

Add host

This method is turned off on the API for now.

Suggest a node/host to be added for a chain. Specific requirements for this method will be posted here when it is live.

const options = {
    logic_contract:'ridlridlridl',
    token_contract:'ridlridltkns',
    sender_account:'ridlridlsend',
    creator_account:'ridlridluser',
};

const added = await ridl.addHost(chain_id, host, options);

Find Identity

Finds an identity by username.

You should be doing this to find the identity's id and chain before calling repute() or changekey().

const identity = await ridl.findIdentity(username);

Find Reputation

Finds a reputation by entity.

const entity = 'contract::eosio.token';
const identity = await ridl.findReputation(entity);

Register Identity

Finds a reputation by entity.

const result = await ridl.identify(username, publicKey);
if(result && result.success) ...
else console.error(result);

Change Identity Key

Finds a reputation by entity.

const result = await ridl.changekey(identity.id, new_public_key, identity.chain);
if(result && result.success) ...
else console.error(result);

Apply Reputation

Finds a reputation by entity.

const entity = 'contract::ridlridlridl';
const fragments = [{type:'testing', value:1}];
const tokens = '1.0000 RIDL';
const details = 'I think this contract is awesome!';

const result = await ridl.repute(identity.id, entity, fragments, tokens, identity.chain, details);
if(result && result.success) ...
else console.error(result);

Special notes about changekey and repute.

Both of these methods can also take a block_num and sig parameter (always the last two params). These are used to sign a proofing hash which the smart contracts use to make sure no parameters were tampered with. This library does it by default when a block_num is null, but you can do it yourself like so:

// For `changekey(..., block_num, sig)`
const sig = ecc.signHash(sha256(`${identity.id}:${entity}:${block_num}:${key}`), privateKey);

// For `repute(..., block_num, sig)`
const sig = ecc.signHash(sha256(`${identity.id}:${entity}:${block_num}:${fragments.map(x => `${x.type}${x.value}`).join('')}:${tokens}`), privateKey);

The block_num must be within range of the current head_block_num on chain within a 10 block radius.