feat: add w3 name get-key command

packages/w3/README.md

@@ -1,9 +1,9 @@
 <h1 align="center">⁂<br/>web3.storage</h1>
 <p align="center">The CLI for web3.storage</p>
 
-## Getting started 
+## Getting started
 
-Install the CLI from npm 
+Install the CLI from npm
 
 ```console
 $ npm install -g @web3-storage/w3
@@ -99,6 +99,12 @@ Working with name records simply updates the Web3.Storage cache of data.
 
 Resolve the current IPNS record revision for the passed name.
 
+### `w3 name get-key <keyId>`
+
+**❗️Experimental** this command may not work, may change, and may be removed.
+
+Retrieve the signing key associated with the passed name.
+
 ### `w3 name rm <keyId>`
 
 **❗️Experimental** this command may not work, may change, and may be removed.

packages/w3/bin.js

@@ -74,6 +74,11 @@ cli.command('name resolve <keyId>')
   .example('name resolve k51qzi5uqu5dlcuzv5xhg1zqn48gobcvn2mx13uoig7zfj8rz6zvqdxsugka9z')
   .action(Name.resolve)
 
+cli.command('name get-key <keyId>')
+  .describe('Retrieve the signing key associated with the passed name.')
+  .example('name get k51qzi5uqu5dlcuzv5xhg1zqn48gobcvn2mx13uoig7zfj8rz6zvqdxsugka9z')
+  .action(Name.getKey)
+
 cli.command('name rm <keyId>')
   .describe('Remove an IPNS name managed by this utility. Note: this does NOT unpublish the IPNS name, it simply removes the IPNS name and signing key from local config.')
   .example('name rm k51qzi5uqu5dlcuzv5xhg1zqn48gobcvn2mx13uoig7zfj8rz6zvqdxsugka9z')

packages/w3/name.js

@@ -47,6 +47,18 @@ export async function resolve (keyId) {
   console.log(revision.value)
 }
 
+/**
+ * Retrieve the signing key associated with the given key.
+ * @param {string} keyId 
+ */
+ export function getKey (keyId) {
+  const signingKey = config.get(`name.${keyId}`)
+  if (!signingKey) {
+    throw new Error('missing signing key for the provided <keyId>')
+  }
+  console.log(signingKey)
+}
+
 /**
  * @param {string} keyId
  */