The purpose of this @cheqd/did-provider-cheqd
NPM package is to enable developers to interact with the cheqd ledger using Veramo SDK, a modular and pluggable client app SDK for decentralised identity and SSI applications.
This package includes Veramo SDK Agent methods for use with the Veramo CLI NPM package. It can also be consumed as an NPM package outside Veramo CLI for building your own applications with NPM.
The package's core functionality is borrowed from Veramo Core NPM package. and extends this to include cheqd ledger functionality, such as creating and managing DIDs.
did-provider-cheqd
is the first Veramo SDK plug-in that utilises the DID Manager Update method to offer a full-body DIDDoc update for a DID on cheqd ledger, rather than individual field update transactions used more commonly in other DID methods such as did:ethr
.
New DID creation can also be done by passing a full-body DIDoc payload in JSON, rather than having to assemble the document field-by-field.
These quick start steps provide the minimal configuration that you need to set Veramo CLI for use with cheqd.
Check out our advanced CLI setup guide for further customisations and troubleshooting Veramo CLI setup in case you run into any issues.
This step is exactly as described in Veramo CLI docs:
npm install -g @veramo/cli@latest
git clone https://github.com/cheqd/did-provider-cheqd.git
npm install
By default, the did-provider-cheqd
package has a default SQLite database password, but it's a good idea to modify and change this to a new key unique to your install.
$ veramo config gen-key
X25519 raw private key (hex encoded):
4a5aeb56c7956dd6f3312e7094130a03afc060b95621fa3a86577aaf2b67cc1d
You can use this key with @veramo/kms-local#SecretBox
or replace the default agent.yml 'dbEncryptionKey' constant
Take the key generated and replace the value under dbEncryptionKey
in the agent.yml
file.
Configure the following properties under the didManager
section:
cosmosPayerMnemonic
: Mnemonic associated with your cheqd/Comsos SDK account. This is only stored locally, and the mnemonic is used to reconstitute the account address and keys used to pay for the transaction.rpcUrl
: For bothdid:cheqd:mainnet:
as well asdid:cheqd:testnet:
sections, you can specify a Cosmos SDK RPC endpoint. This endpoint is where transactions are sent to. By default, this is populated withrpc.cheqd.net
(for mainnet) andrpc.cheqd.network
(for testnet), but you can can modify this to a different hosted RPC endpoint for cheqd or even your own local/private RPC endpoint.defaultProvider
(optional): The default cheqd network is set todid:cheqd:testnet
to allow developers to test out network functionality. However, if you prefer, you can switch this out todid:cheqd:mainnet
instead.
Once you've completed the steps above, verify that your Veramo configuration is accurate using the following command. If your configuration is correct, you should get a success message like the one below.
$ veramo config check -f <path/to/>agent.yml
Your Veramo configuration seems fine. An agent can be created and the 'agent.execute()' method can be called on it.
LIT_PROTOCOL_DEBUG
- Set this totrue
to enable debug logging for the LIT protocol. By default it is set tofalse
.
Tutorials, advanced configuration, and architecture for cheqd's Veramo plugin can be found on our Identity Docs site.
Our Discord server is the primary chat channel for our open-source community, software developers, and node operators.
Please reach out to us there for discussions, help, and feedback on the project.