Add tests for custom keystores

test/utils/custom-test-keystore.js

@@ -0,0 +1,53 @@
+const EC = require('elliptic').ec
+const ec = new EC('secp256k1')
+
+/**
+ * A custom keystore example
+ */
+class CustomTestKeystore {
+  constructor(signer) {
+    this.createKey();
+  }
+
+  createKey() {
+    const key = ec.genKeyPair()
+    this.key = ec.keyPair({
+      pub:  key.getPublic('hex'),
+      priv: key.getPrivate('hex'),
+      privEnc: 'hex',
+      pubEnc: 'hex',
+    })
+
+    return this.key
+  }
+
+  getKey() {
+    return this.key
+  }
+
+  // TODO: check if this is really in use
+  generateKey() {
+    return Promise.resolve(this.createKey())
+  }
+
+  importPublicKey(key) {
+    return Promise.resolve(ec.keyFromPublic(key, 'hex'))
+  }
+
+  importPrivateKey(key) {
+    return Promise.resolve(ec.keyFromPrivate(key, 'hex'))
+  }
+
+  sign(key, data) {
+    const sig = ec.sign(data, key)
+    return Promise.resolve(sig.toDER('hex'))
+  }
+
+  verify(signature, key, data) {
+    let res = false
+    res = ec.verify(data, signature, key)
+    return Promise.resolve(res)
+  }
+}
+
+module.exports = new CustomTestKeystore()