Proof of Reserves

import hashlib

# Merkle Leaf ID calculation
account_code = "8dc20f34da8cea8dd0f46b001694f5123ecd30d786c5eb92ad1a013703a4f8d1"
iiban = "AB12C34DEFG5KSQI"
review_id = "PR30SEP24"
record_id = hashlib.sha256((account_code + iiban + review_id).encode('utf-8')).hexdigest()

balances = "BTC:0.00093799,ETH:0.0422125592,SOL:0.0,USDC:0.0,USDT:6.72754,XRP:0.0"

print("Record ID: {}".format(record_id))
print("Merkle Hash: {}".format((record_id + "," + balances)))
hash_result = hashlib.sha256((record_id + "," + balances).encode('utf-8')).hexdigest()
print("SHA Result: {}".format(hash_result))
print("Merkle Leaf: {}".format(hash_result[0:16]))

#Merkle Tree Path function 
def mix(x, y):
    a = bytes.fromhex(x)
    b = bytes.fromhex(y)

    d = hashlib.sha256()
    d.update(a)
    d.update(b)
    return d.hexdigest()

use sha2::{Digest, Sha256};

//Merkle Leaf ID calculation
const ACCOUNT_CODE: &str = "8dc20f34da8cea8dd0f46b001694f5123ecd30d786c5eb92ad1a013703a4f8d1";
const IIBAN: &str = "AB12C34DEFG5KSQI";
const REVIEW_ID: &str = "PR30SEP24";
const BALANCES: &str = "BTC:0.00093799,ETH:0.0422125592,SOL:0.0,USDC:0.0,USDT:6.72754,XRP:0.0";

fn main() {
    let mut record_hasher: Sha256 = Default::default();

    record_hasher.update(ACCOUNT_CODE);
    record_hasher.update(IIBAN);
    record_hasher.update(REVIEW_ID);

    let record_id = format!("{:x}", record_hasher.finalize());
    let merkle_hash = format!("{},{}", record_id, BALANCES);

    let mut merkle_hasher: Sha256 = Default::default();
    merkle_hasher.update(&merkle_hash);
    let merkle_result = format!("{:x}", merkle_hasher.finalize());

    println!("Record ID: {}", record_id);
    println!("Merkle Hash: {}", merkle_hash);
    println!("SHA Result: {}", merkle_result);
    println!("Merkle Leaf: {}", &merkle_result[..16]);
}

//Merkle Tree Path function
fn mix(x: &str, y: &str) -> Result<String, hex::FromHexError> {
    let mut leaves_hasher: Sha256 = Default::default();
    let a = hex::decode(x)?;
    let b = hex::decode(y)?;
    leaves_hasher.update(&a);
    leaves_hasher.update(&b);
    Ok(hex::encode(leaves_hasher.finalize()))
}

fn main() {
    println!("{}", mix("f42372aeb1be7296", "dfcced6ec3235f5e").unwrap());
    assert_eq!(
        mix("f42372aeb1be7296", "dfcced6ec3235f5e").unwrap(),
        "ad86a5ee2f21347403ce07e365530604690454fa76787e76be9d2f6efdceeabf"
    );
}

package main

import (
	"crypto/sha256"
	"fmt"
)

//Merkle Leaf ID Calculation
func main() {

	accountCode := "8dc20f34da8cea8dd0f46b001694f5123ecd30d786c5eb92ad1a013703a4f8d1"
	iiban := "AB12C34DEFG5KSQI"
	reviewId := "PR30SEP24"

	secret := accountCode + iiban + reviewId

	data := []byte(secret)
	hash := sha256.Sum256(data)
	recordId := string(hash[:])
	fmt.Printf("Record ID: %x\n", recordId)

	balances := "BTC:0.00093799,ETH:0.0422125592,SOL:0.0,USDC:0.0,USDT:6.72754,XRP:0.0"

	merkleHash := fmt.Sprintf("%x%s%s", recordId, ",", balances)
	fmt.Printf("Merkle Hash: %s\n", merkleHash)

	hashResult := sha256.Sum256([]byte(merkleHash))
	hashResultStr := string(hashResult[:])
	fmt.Printf("SHA Result: %x\n", hashResultStr)
	fmt.Printf("Merkle Leaf: %x\n", hashResultStr[0:8])

}

//Merkle Tree path hashing
func mix(x, y string) (string, error) {
        // Convert the hex strings to bytes
        a, err := hex.DecodeString(x)
        if err != nil {
                return "", err
        }

        b, err := hex.DecodeString(y)
        if err != nil {
                return "", err
        }

        h := sha256.New()

        h.Write(a)
        h.Write(b)

        // Get the final hash value as a byte slice
        hashed := h.Sum(nil)

        // Convert the hash to a hex string and return it
        return hex.EncodeToString(hashed), nil
}

func main() {
        result, _ := mix("f42372aeb1be7296", "dfcced6ec3235f5e")
        fmt.Println(result)
}

#!/bin/bash

#Merkle Leaf ID calculation
ACCOUNT_CODE="8dc20f34da8cea8dd0f46b001694f5123ecd30d786c5eb92ad1a013703a4f8d1"
IIBAN="AB12C34DEFG5KSQI"
REVIEW_ID="PR30SEP24"
RECORD_ID=$(echo -n "${ACCOUNT_CODE}${IIBAN}${REVIEW_ID}" | sha256sum | head -c 64)
BALANCES="BTC:0.00093799,ETH:0.0422125592,SOL:0.0,USDC:0.0,USDT:6.72754,XRP:0.0"
MERKLE_HASH="${RECORD_ID},${BALANCES}"
HASH_RESULT=$(echo -n ${MERKLE_HASH} | sha256sum | head -c 64)

echo "Record ID: ${RECORD_ID}"
echo "Merkle Hash: ${MERKLE_HASH}"
echo "SHA Result: ${HASH_RESULT}"
echo "Merkle Leaf: $(echo -n ${HASH_RESULT} | head -c 16)"

#Merkle Tree Path function
hex_string1="f42372aeb1be7296"
hex_string2="dfcced6ec3235f5e"

# convert hex strings to binary, concatenate them and then hash
hash_result=$(echo -n "$(echo -n $hex_string1 | xxd -r -p)$(echo -n $hex_string2 | xxd -r -p)" | sha256sum | awk '{ print $1 }')

echo $hash_result