Add ability to generate secp256k1 keys

README.md

@@ -218,6 +218,27 @@ Key pair with ed25519:33Vn9VtNEtWQPPd1f4jf5HzJ5weLcvGHU8oz7o5UnPqy public key fo
 
 ---
 
+#### 1b) `near generate-key --curveType=[secp256k1 \ ed25519 (default)]`
+
+> Creates a key pair locally in `.near-credentials` with an [implicit account](http://docs.near.org/docs/roles/integrator/implicit-accounts) as the accountId with certain key curve type. _(hash representation of the public key)_
+
+```bash
+near generate-key --curveType=secp256k1
+```
+
+<details>
+<summary><strong>Example Response</strong></summary>
+<p>
+
+```bash
+Key pair with ed25519:33Vn9VtNEtWQPPd1f4jf5HzJ5weLcvGHU8oz7o5UnPqy public key for an account "1e5b1346bdb4fc5ccd465f6757a9082a84bcacfd396e7d80b0c726252fe8b3e8"
+```
+
+</p>
+</details>
+
+---
+
 #### 2) `near generate-key accountId`
 
 > Creates a key pair locally in `.near-credentials` with an `accountId` that you specify.

commands/generate-key.js

@@ -1,3 +1,4 @@
+const keyCurveTypes = require('near-api-js').keyCurveTypes;
 const KeyPair = require('near-api-js').KeyPair;
 const exitOnError = require('../utils/exit-on-error');
 const implicitAccountId = require('../utils/implicit-accountid');
@@ -44,7 +45,10 @@ module.exports = {
         // If key doesn't exist, create one and store in the keyStore.
         // Otherwise, it's expected that both key and accountId are already provided in arguments.
         if (!argv.publicKey) {
-            const keyPair = KeyPair.fromRandom('ed25519');
+            const curveType = (!argv.curveType) ? 'ed25519' : keyCurveTypes.validate(argv.curveType);
+            console.log('Generate key pair from random on curve type: ' + curveType);
+
+            const keyPair = KeyPair.fromRandom(curveType);
             argv.publicKey = keyPair.publicKey.toString();
             argv.accountId = argv.accountId || implicitAccountId(argv.publicKey);
             await keyStore.setKey(argv.networkId, argv.accountId, keyPair);