@blockfrost/blockfrost-utils - npm Package Compare versions

Comparing version 2.2.0 to 2.3.0-beta.0

lib/cardano.d.ts

 export declare const getTimeFromSlot: (slotNumber: number) => number;
+export declare const getPaymentPartBech32: (paymentCred: string, options: {
+    includeBech32Checksum: boolean;
+    addressType: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7;
+    network: 'mainnet' | 'testnets';
+}) => string | null;

lib/cardano.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.getTimeFromSlot = void 0;
+exports.getPaymentPartBech32 = exports.getTimeFromSlot = void 0;
+const bech32_1 = require("bech32");
+const validation_1 = require("./validation");
 const getTimeFromSlot = (slotNumber) => {
@@ -8,1 +10,24 @@ return 1596491091 + (slotNumber - 4924800);
 exports.getTimeFromSlot = getTimeFromSlot;
+const getPaymentPartBech32 = (
+// Payment credentials in bech32 format (addr_vkh)
+paymentCred, options) => {
+    // Constructs invalid bech32 address consisting only from an address header and a payment part.
+    // Useful for matching payment credentials against bech32 address
+    const NETWORK_TAG = options.network === 'mainnet' ? 1 : 0;
+    const paymentCredHexWithBytesPrefix = (0, validation_1.paymentCredFromBech32Address)(paymentCred);
+    const paymentCredHex = paymentCredHexWithBytesPrefix === null || paymentCredHexWithBytesPrefix === void 0 ? void 0 : paymentCredHexWithBytesPrefix.slice(2);
+    if (!paymentCredHex)
+        return null;
+    const addrHeader = `${options.addressType.toString(16)}${NETWORK_TAG}`;
+    const addrWords = bech32_1.bech32.toWords(Buffer.from(`${addrHeader}${paymentCredHex}`, 'hex'));
+    const bech32PaymentCredAddr = bech32_1.bech32.encode('', addrWords, 1000);
+    let result = bech32PaymentCredAddr;
+    if (!options.includeBech32Checksum) {
+        // Strip last 7 chars of checksum.
+        // This assumes that payment part of the address has constant length,
+        // otherwise the length of the checksum may vary.
+        result = bech32PaymentCredAddr.slice(0, bech32PaymentCredAddr.length - 7);
+    }
+    return result;
+};
+exports.getPaymentPartBech32 = getPaymentPartBech32;

lib/validation.js

@@ -13,2 +13,3 @@ "use strict";
     PAYMENT_KEY_HASH: 'addr_vkh',
+    PAYMENT_KEY: 'addr_vk',
     POOL: 'pool',
@@ -89,2 +90,10 @@ });
         }
+        else if (bech32Info.prefix === Prefixes.PAYMENT_KEY) {
+            // valid payment_cred
+            const payload = bech32_1.bech32.fromWords(bech32Info.words);
+            const pubKey = cardano_serialization_lib_nodejs_1.PublicKey.from_hex(Buffer.from(payload).toString('hex'));
+            const paymentKeyHash = `\\x${pubKey.hash().to_hex()}`;
+            pubKey.free();
+            return paymentKeyHash;
+        }
         else {
@@ -94,3 +103,5 @@ return undefined;
     }
-    catch {
+    catch (error) {
+        // Uncomment for awesome debug hack!
+        // console.error(error);
         return undefined;
@@ -97,0 +108,0 @@ }

package.json

 {
   "name": "@blockfrost/blockfrost-utils",
-  "version": "2.2.0",
+  "version": "2.3.0-beta.0",
   "repository": "[e-mail]:blockfrost/blockfrost-utils.git",
@@ -5,0 +5,0 @@ "license": "Apache-2.0",

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

56420

increased by4.08%

Lines of code

962

increased by4.45%

Worsened metrics

Number of low quality alerts

2

increased by100%

No dependency changes