Add command to get authorities list

src/cmds/registry-cmds/authority-cmds/get.ts

@@ -0,0 +1,24 @@
+import { Arguments } from 'yargs';
+import assert from 'assert';
+import { Registry } from '@cerc-io/registry-sdk';
+
+import { getConfig, getConnectionInfo, queryOutput } from '../../../util';
+
+export const command = 'get [owner]';
+
+export const desc = 'List authorities (optionally by owner).';
+
+export const handler = async (argv: Arguments) => {
+  const owner = argv.owner as string || '';
+
+  const { services: { registry: registryConfig } } = getConfig(argv.config as string);
+  const { rpcEndpoint, gqlEndpoint, chainId } = getConnectionInfo(argv, registryConfig);
+  assert(rpcEndpoint, 'Invalid registry RPC endpoint.');
+  assert(gqlEndpoint, 'Invalid registry GQL endpoint.');
+  assert(chainId, 'Invalid registry Chain ID.');
+
+  const registry = new Registry(gqlEndpoint, rpcEndpoint, chainId);
+  const result = await registry.getAuthorities(owner);
+
+  queryOutput(result, argv.output);
+};