improve tests (#42)

package.json

@@ -1,10 +1,10 @@
 {
   "name": "@knuth/bch",
-  "version": "1.22.0",
+  "version": "1.23.0",
   "description": "Bitcoin Cash development platform for Javascript and Typescript applications",
   "main": "src/kth.js",
   "scripts": {
-    "test": "jest --runInBand",
+    "test": "jest --runInBand --verbose",
     "lint": "eslint **/*.js",
     "lint:fix": "npm run lint -- --fix",
     "lint:github-action": "node ./node_modules/eslint/bin/eslint . --ignore-path .gitignore"
@@ -39,7 +39,7 @@
   "homepage": "https://github.com/k-nuth/js-api#readme",
   "dependencies": {
     "bluebird": "^3.7.2",
-    "@knuth/bch-native": "^0.54.0",
+    "@knuth/bch-native": "^0.56.0",
     "memoizee": "^0.4.14"
   },
   "devDependencies": {

src/chain/block.js

@@ -39,6 +39,38 @@ const fromNative = (native, destroy = false) => {
         destruct(native);
     }
     return obj;
+
+    // console.log(native);
+
+    // const headerNative = kth.chain_block_header(native);
+    // console.log(headerNative);
+    // const version = kth.chain_header_version(headerNative);
+    // console.log(version);
+    // // const prevHash = kth.chain_header_previous_block_hash(headerNative);
+    // // console.log(prevHash);
+    // // const merkle = kth.chain_header_merkle(headerNative);
+    // // console.log(merkle);
+    // // const timestamp = kth.chain_header_timestamp(headerNative);
+    // // console.log(timestamp);
+    // // const bits = kth.chain_header_bits(headerNative);
+    // // console.log(bits);
+    // // const nonce = kth.chain_header_nonce(headerNative);
+    // // console.log(nonce);
+
+
+    // // const h = header.fromNative(kth.chain_block_header(native));
+    // // console.log(h);
+    // // const txs = transactionList.fromNative(kth.chain_block_transactions(native));
+    // // console.log(txs);
+    // // const obj = new Block(
+    // //     header.fromNative(kth.chain_block_header(native)),
+    // //     transactionList.fromNative(kth.chain_block_transactions(native))
+    // // );
+    // if (destroy) {
+    //     destruct(native);
+    // }
+    // // return obj;
+    // return undefined;
 };
 
 const fromData = (version, data) => {

src/chain/chain.js

@@ -8,6 +8,8 @@ const header = require('./header');
 const block = require('./block');
 const transaction = require('./transaction');
 const blockList = require('./blockList');
+const err = require('../errors');
+
 
 const async_chain = {
     // fetch_last_height: Promise.promisify(kth.chain_fetch_last_height),
@@ -103,6 +105,11 @@ const async_chain = {
     },
 };
 
+function objOrNull(ec, native, fromNative) {
+    const obj = ec == err.errors.success ? fromNative(native) : null;
+    return obj;
+}
+
 class Chain {
     constructor(native, nodeNative) {
         this.native = native;
@@ -123,27 +130,32 @@ class Chain {
 
     async getBlockHeaderByHeight(height) {
         const res = await async_chain.fetch_block_header_by_height(this.native, height);
-        return [res[0], header.fromNative(res[1]), res[2]];
+        const obj = objOrNull(res[0], res[1], header.fromNative);
+        return [res[0], obj, res[2]];
     }
 
     async getBlockHeaderByHash(hash) {
         const res = await async_chain.fetch_block_header_by_hash(this.native, hash);
-        return [res[0], header.fromNative(res[1]), res[2]];
+        const obj = objOrNull(res[0], res[1], header.fromNative);
+        return [res[0], obj, res[2]];
     }
 
     async getBlockByHeight(height) {
         const res = await async_chain.fetch_block_by_height(this.native, height);
-        return [res[0], block.fromNative(res[1]), res[2]];
+        const obj = objOrNull(res[0], res[1], block.fromNative);
+        return [res[0], obj, res[2]];
     }
 
     async getBlockByHash(hash) {
         const res = await async_chain.fetch_block_by_hash(this.native, hash);
-        return [res[0], block.fromNative(res[1]), res[2]];
+        const obj = objOrNull(res[0], res[1], block.fromNative);
+        return [res[0], obj, res[2]];
     }
 
     async getTransaction(hash, requireConfirmed) {
         const res = await async_chain.fetch_transaction(this.native, hash, requireConfirmed);
-        return [res[0], transaction.fromNative(res[1]), res[2], res[3]];
+        const obj = objOrNull(res[0], res[1], transaction.fromNative);
+        return [res[0], obj, res[2], res[3]];
     }
 
     async getTransactionPosition(hash, requireConfirmed) {