Merge pull request #729 from pinheadmz/backend

Quit if native bcrypto bindings are missing

bin/node

@@ -19,6 +19,23 @@ if (process.argv.indexOf('--version') !== -1
   throw new Error('Could not exit.');
 }
 
+const sha256 = require('bcrypto/lib/sha256');
+const secp256k1 = require('bcrypto/lib/secp256k1');
+
+if (sha256.native !== 2) {
+  console.error('Bindings for bcrypto were not built.');
+  console.error('Please build them before continuing.');
+  process.exit(1);
+  return;
+}
+
+if (secp256k1.native !== 2) {
+  console.error('Bindings for libsecp256k1 were not built.');
+  console.error('Please build them before continuing.');
+  process.exit(1);
+  return;
+}
+
 const FullNode = require('../lib/node/fullnode');
 
 const node = new FullNode({

bin/spvnode

@@ -8,6 +8,23 @@ const assert = require('assert');
 const SPVNode = require('../lib/node/spvnode');
 const Outpoint = require('../lib/primitives/outpoint');
 
+const sha256 = require('bcrypto/lib/sha256');
+const secp256k1 = require('bcrypto/lib/secp256k1');
+
+if (sha256.native !== 2) {
+  console.error('Bindings for bcrypto were not built.');
+  console.error('Please build them before continuing.');
+  process.exit(1);
+  return;
+}
+
+if (secp256k1.native !== 2) {
+  console.error('Bindings for libsecp256k1 were not built.');
+  console.error('Please build them before continuing.');
+  process.exit(1);
+  return;
+}
+
 const node = new SPVNode({
   file: true,
   argv: true,