Khoa nguyenkhoa0721

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nguyenkhoa0721 / gist:90c1de8690a355a3a478b3a4878d5e2c

Created March 20, 2025 18:09

promptpay.ts

	/**
	* PromptPay QR Code Encoder and Decoder
	*
	* This module provides functions to encode and decode PromptPay QR codes.
	* PromptPay is Thailand's payment system that allows money transfers using mobile numbers,
	* national IDs, e-wallet IDs, or bank accounts.
	*/

	/**
	* Enum for PromptPay proxy types

nguyenkhoa0721 / gist:58b89e65e09d235721fb0dc28abce006

Created April 3, 2023 05:42

	var raw json.RawMessage
	var tx types.Transaction
	raw = []byte("{\"blockHash\":\"0x23613f63c7ca19e65f66b4e4310fcccc53266aa4f310016af48ce81c7c4e430a\",\"blockNumber\":\"0x48f5dac\",\"from\":\"0x00000000000000000000000000000000000a4b05\",\"gas\":\"0x0\",\"gasPrice\":\"0x0\",\"hash\":\"0x54776d636862587eb643f76c01a1e236a43395150e143fa24c6b130a0f84d267\",\"input\":\"0x6bf6a42d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000102e2cf00000000000000000000000000000000000000000000000000000000048f5dac0000000000000000000000000000000000000000000000000^C8c003f5913365cb2\"}")
	err := json.Unmarshal(raw, &tx)
	if err != nil {
	logrus.Error(err)
	}

nguyenkhoa0721 / substr.cpp

Last active July 7, 2020 04:22

HASH

	#include<bits/stdc++.h>
	using namespace std;
	const long long base=31,mod=1000000003;
	long long hashP[1000006],hashC,POW[1000006],lenP,lenC;
	string strC,strP;
	long long gethash(int l,int r){
	if (l==1){
	return hashP[r];
	}
	return (hashP[r]-hashP[l-1]POW[r-l+1]+modmod)%mod;

nguyenkhoa0721 / gist:dec6167339d9b84c189b4364303d8e2a

Created July 7, 2020 04:21

substr.cpp

	#include<bits/stdc++.h>
	using namespace std;
	const long long base=31,mod=1000000003;
	long long hashP[1000006],hashC,POW[1000006],lenP,lenC;
	string strC,strP;
	long long gethash(int l,int r){
	if (l==1){
	return hashP[r];
	}
	return (hashP[r]-hashP[l-1]POW[r-l+1]+modmod)%mod;