Grano DID Resolver is a program that returns values according to the DID specification defined by the W3C. It depends on Sequelize and all values refer to the off-chain database.
-
Create Mariadb and export data from grano-did-contract using grano-did-exporter
-
Set DB configuration in
.env
DATABASE=grano
USERNAME=root
PASSWORD=password
DIALECT=mariadb
HOST=localhost
PORT=3306
- Call Resolver
const { Resolver } = require('did-resolver')
const { getResolver, DatabaseClient } = require('@eg-easy/grano-did-resolver')
const main = async () => {
const dbClient = new DatabaseClient()
const granoDidResolver = getResolver(dbClient)
const didResolver = new Resolver(granoDidResolver)
const didDocument = await didResolver.resolve('did:grn:grano14fsulwpdj9wmjchsjzuze0k37qvw7n7am3reev', {})
console.dir(didDocument, { depth: 3 })
}
main()
{
didResolutionMetadata: { contentType: 'application/did+ld+json' },
didDocumentMetadata: {},
didDocument: {
'@context': [
'https://www.w3.org/ns/did/v1',
'https://w3id.org/security/suites/secp256k1recovery-2020/v2'
],
id: 'did:grn:grano14fsulwpdj9wmjchsjzuze0k37qvw7n7am3reev',
verificationMethod: [
{
id: 'did:grn:grano1m2pz9nj72lj2yxnpcmxqwfwk50v35gq7wd399m#controller',
type: 'EcdsaSecp256k1RecoveryMethod2020',
controller: 'did:grn:grano1m2pz9nj72lj2yxnpcmxqwfwk50v35gq7wd399m'
}
],
authentication: [
'did:grn:grano1m2pz9nj72lj2yxnpcmxqwfwk50v35gq7wd399m#controller'
],
assertionMethod: [
'did:grn:grano1m2pz9nj72lj2yxnpcmxqwfwk50v35gq7wd399m#controller'
],
controller: 'did:grn:grano1m2pz9nj72lj2yxnpcmxqwfwk50v35gq7wd399m',
service: [ 'twitter' ]
}
}