@attestto/did-sns-resolver

W3C DID Resolution for did:sns (Solana Name Service).

Resolves did:sns Decentralized Identifiers to W3C DID Documents by querying Solana Name Service on-chain. Includes a DIF Universal Resolver driver.

Install

npm install @attestto/did-sns-resolver

Usage

import { DidSnsResolver } from '@attestto/did-sns-resolver'

const resolver = new DidSnsResolver()
const result = await resolver.resolve('did:sns:alice.attestto')

console.log(result.didDocument)
// {
//   "@context": ["https://www.w3.org/ns/did/v1", ...],
//   "id": "did:sns:alice.attestto",
//   "verificationMethod": [{ id: "did:sns:alice.attestto#key-1", type: "Ed25519VerificationKey2020", ... }],
//   ...
// }

Custom RPC

const resolver = new DidSnsResolver({
  rpcUrl: 'https://my-rpc.example.com'
})

DID Formats

Format	Example	Network
Root domain	did:sns:attestto	mainnet
Subdomain	did:sns:alice.attestto	mainnet
With network	did:sns:devnet:alice.attestto	devnet

Universal Resolver Driver

Docker

docker build -t attestto/uni-resolver-driver-did-sns .
docker run -p 8080:8080 attestto/uni-resolver-driver-did-sns

Resolve

curl http://localhost:8080/1.0/identifiers/did:sns:bonfida

Environment Variables

Variable	Default	Description
SOLANA_RPC_URL	mainnet public	Solana RPC endpoint
PORT	8080	HTTP port
LOG_LEVEL	info	debug|info|warn|error

Specification

• did:sns Method Specification
• W3C DID Core v1.1

License

Apache-2.0