vanityLike.mjs improved to find perfect debugSeed

CI/vanityLike.mjs

 import * as app from "../src/crypto.mjs";
 
+// For thread use : https://github.com/darionco/WebCPU
+const fillChr='                            ';
+function f(size,str){ // format
+	const toFill = size-str.length;
+	if(toFill>0) return fillChr.substring(0,toFill)+str;
+	return str;
+}
 function main() {
-	for (let x = 1; true; x++) {
-		const strX = ('' + x).replace(/0/g, '');
-		if (
-			app.pubKey2checksum('pubKey' + strX) !== app.pubKey2checksum('pubKey' + strX, false, true)
-			&&
-			app.pubKey2checksum('pubKey' + strX, true) !== app.pubKey2checksum('pubKey' + strX, true, true)
-			/*&&
-			app.pubKey2checksum('pubKey'+strX).includes('11')
-			&&
-			app.pubKey2checksum('pubKey'+strX,true).includes('11')
-			*/
-		) {
-			console.log('pubKey' + strX,
-				app.pubKey2checksum('pubKey' + strX),
-				app.pubKey2checksum('pubKey' + strX, false, true),
-				app.pubKey2checksum('pubKey' + strX, true),
-				app.pubKey2checksum('pubKey' + strX, true, true)
-			);
-			console.log('11111111111111111111111pubKey49311',
-				app.pubKey2checksum('11111111111111111111111pubKey49311'),
-				app.pubKey2checksum('11111111111111111111111pubKey49311', false, true),
-				app.pubKey2checksum('11111111111111111111111pubKey49311', true),
-				app.pubKey2checksum('11111111111111111111111pubKey49311', true, true)
-			);
-			return 'pubKey' + strX;
+
+	let PARALLEL_INDEX = 0;
+	if(process.argv[2]) PARALLEL_INDEX = parseInt(process.argv[2]);
+	const PARALLEL_THREAD = 4;
+
+	const startTime = Date.now(); // performance.now()
+	let partialLevel = 0;
+
+	for (let x = PARALLEL_INDEX; true; x+=PARALLEL_THREAD) {
+		const strX = ('vanityDebugSeed' + x).replace(/0/g, 'z');
+		const keys = app.raw2b58(app.seed2keyPair(app.b58pubKey2bin(strX)));
+		let pubKey = keys.publicKey;
+		if(pubKey[0]==='1'){
+			pubKey = app.b58.encode(app.sliceInitialsZero(app.b58pubKey2bin(pubKey)));
+			const now = Date.now(); // performance.now()
+			const elapsed = f(7,''+Math.trunc((now-startTime)/1000));
+			const speed = f(5,''+Math.trunc((x/PARALLEL_THREAD)/((now-startTime)/1000)));
+			if(partialLevel<2){
+				partialLevel=1;
+				console.log(`${speed}/s écoulé: ${elapsed}s seed:${f(44,strX)} pubKey:${f(44,pubKey)}`);
+			}
+			if(pubKey.length===42){
+				if(partialLevel<3){
+					partialLevel=2;
+					console.log(`${speed}/s écoulé: ${elapsed}s seed:${f(44,strX)} pubKey:${f(44,pubKey)}`);
+				}
+				if(app.pubKey2checksum(pubKey)[0]==='1'){
+					if(partialLevel<4){
+						partialLevel=3;
+						console.log(`${speed}/s écoulé: ${elapsed}s seed:${f(44,strX)} pubKey:${f(44,pubKey)} chk: ${app.pubKey2checksum(pubKey)} ${app.pubKey2checksum(pubKey, false, true)}`);
+					}
+					if(app.pubKey2checksum(pubKey,true)[0]==='1'){
+						console.log(`${speed}/s écoulé: ${elapsed}s seed:${f(44,strX)} pubKey:${f(44,pubKey)
+						} chk: ${app.pubKey2checksum(pubKey)} ${app.pubKey2checksum(pubKey, false, true)
+						} ${app.pubKey2checksum(pubKey,true)} ${app.pubKey2checksum(pubKey,true, true)}`);
+						return;
+					}
+				}
+			}
 		}
-		if (strX.includes('99999')) console.log('pubKey' + strX);
 	}
 }
 
 main();
+
+// 111111111111111111111111111194999 BswTw MRTt8 6WCPk P3g1N 3kVZx 29cPB oTPUq 8rk41 gup
+// 111111111111111111111111111111451 12rxvfozNLMgzH5j8sQZUCZKSMh5NGBYqaqXiSq5ifCE 7T5 7T5 7T5 7T5
+
+// 161/s écoulé: 105s seed:171z8 pubKey:MKZWhcbCVoxLrUyZGKTQQDJwkg3CyxDJEf1NFfUdgk
+// 161/s écoulé: 105s seed:171z8 pubKey: MKZWh cbCVo xLrUy ZGKTQ QDJwk g3Cyx DJEf1 NFfUd gk

README.md

@@ -19,7 +19,9 @@ An ubiquitous static javascript lib for Ǧ1 / Duniter ecosystem with reliability
 - [x] Unit tested
 - [x] Tracked quality metrics
 - [x] Static package with no-dependency
-- [x] modern esm import/export
+- [x] import only what you need*
+
+*modern esm import/export & high modularity improve tree-shaking
 
 ## Usage
 

src/crypto.mjs

@@ -21,7 +21,7 @@ export async function idSecPass2rawAll(idSec, pass) {
 	};
 }
 
-function raw2b58(raws) {
+export function raw2b58(raws) {
 	const result = {};
 	for (const r in raws) result[r] = b58.encode(raws[r]);
 	return result;
@@ -60,15 +60,18 @@ export function pubKey2checksum(b58pubKey, b58viewDependant = false, checksumWit
 	else binPubKey = b58pubKey2bin(b58pubKey);
 	const hash = sha256.digest(sha256.digest(binPubKey));
 	if (checksumWithoutLeadingZero) {
-		let zero = 0
-		while (hash[zero] === 0) zero++;
-		const shorterHash = hash.slice(zero);
+		const shorterHash = sliceInitialsZero(hash);
 		return b58.encode(shorterHash).substr(0, 3);
 	}
 	return b58.encode(hash).substr(0, 3);
 }
+export function sliceInitialsZero(array){
+	let zero = 0
+	while (array[zero] === 0) zero++;
+	return array.slice(zero);
+}
 
-function b58pubKey2bin(b58pubKey) {
+export function b58pubKey2bin(b58pubKey) {
 	const binPubKey = new Uint8Array(32);
 	const decoded = b58.decode(b58pubKey);
 	binPubKey.set(decoded, 32 - decoded.length);

src/crypto.test.mjs

@@ -71,3 +71,6 @@ test('checkKey false 11111111111111111111111pubKey49311:2p7', t => t.throws(() =
 test('checkKey false pubKey49311:111', t => t.throws(() => app.checkKey('pubKey49311:111')));
 
 test('checkKey false 0pubKey49311:any', t => t.throws(() => app.checkKey('0pubKey49311:any')));
+
+test('pubKey2checksum 11111111111111111111111pubKey49311 : 14R', t => t.is(app.pubKey2checksum('11111111111111111111111pubKey49311'), '14R'));
+test('pubKey2checksum pubKey49311 : 14R', t => t.is(app.pubKey2checksum('pubKey49311'), '14R'));