as-chain - npm Package Compare versions

Comparing version 0.0.37 to 0.0.38

assembly/index.ts

@@ -80,3 +80,3 @@ export { U128, U256, I128 } from "./bignum";
 
-export { Name, nameToSuffix } from "./name";
+export { Name } from "./name";
 export { Action, PermissionLevel } from "./action";
@@ -83,0 +83,0 @@ export { Asset, ExtendedAsset, Symbol, ExtendedSymbol, isValid } from "./asset";

assembly/name.ts

 import { Decoder, Packer } from "./serializer";
 import { check } from "./system"
+
 const charToSymbol = (c: u16): u16 => {
@@ -18,3 +19,3 @@ if (c >= 97 && c <= 122) {// c >= 'a' && c <= 'z'
 
-export function S2N(s: string): u64 {
+function S2N(s: string): u64 {
     let value: u64 = 0;
@@ -45,3 +46,3 @@ check(s.length <= 13, `Invalid name: ${s}`);
 
-export function N2S(value: u64): string {
+function N2S(value: u64): string {
     // 13 dots
@@ -74,3 +75,3 @@ let str = new Array<u8>(13);
 
-export function nameToSuffix(name: Name): Name {
+function nameToSuffix(name: Name): Name {
     let remainingBitsAfterLastActualDot: u32 = 0
@@ -107,2 +108,34 @@ let tmp: u32 = 0
 
+
+function nameToPrefix(name: Name): Name {
+    const value = name.N
+
+    let result: u64 = value;
+    let not_dot_character_seen: boolean = false;
+    let mask: u64 = 0xF;
+
+    // Get characters one-by-one in name in order from right to left
+    for(let offset: i32 = 0; offset <= 59; ) {
+       const c = (value >> offset) & mask;
+
+       if( !c ) { // if this character is a dot
+          if(not_dot_character_seen) { // we found the rightmost dot character
+             result = (value >> offset) << offset;
+             break;
+          }
+       } else {
+          not_dot_character_seen = true;
+       }
+
+       if (offset == 0) {
+          offset += 4;
+          mask = <u64>(0x1F);
+       } else {
+          offset += 5;
+       }
+    }
+
+    return new Name(result);
+}
+
 export class Name implements Packer {
@@ -131,2 +164,6 @@ N: u64;
 
+    prefix(): Name {
+        return nameToPrefix(this)
+    }
+
     pack(): u8[] {
@@ -133,0 +170,0 @@ let ret = new Array<u8>(8);

package.json

 {
   "name": "as-chain",
-  "version": "0.0.37",
+  "version": "0.0.38",
   "description": "chain module for assemblyscript",
@@ -5,0 +5,0 @@ "main": "js/index.js",

No alert changes

Improved metrics

Total package byte prevSize

1334607

increased by0.06%

Lines of code

3504

increased by0.81%

No dependency changes