Scripts for Provably Fair Gaming

<?php
        // Dice game conversion for Crypto.Games
        
$client_seed = "dQt2XQ1kMkdgHTN9PGN4CWDHs78kz4fdehgIAgCm";
$server_seed = "Gp99P8R250gQFnd4Lnr2csXC9JtKCHHkzXKoH7DN";
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
$position=0;
$first_five=substr($combined_hash,$position,5);
echo "First five characters, starting with position $position = $first_five\n";
do
{
    $hex_to_dec=hexdec($first_five);
    $position+=5;
}
while ($hex_to_dec > 999999);
echo "Converted to decimal = $hex_to_dec\n";

$mod5=$hex_to_dec%100000;
echo "\nLast five of these characters = $mod5\n";

// Procedure
// 1.  Join server and client seeds, server seed first.
// 2.  Generate a SHA-512 hash of the string from step 1.
// 3.  Convert first five characters of the hash from hexidecimal to decimal.
// 4.  If the result from step 3 is over 999,999 then advance five positions in the hash and go back to step 3.  Otherwise, go onto step 5.
// 5.  Take the last five digits from step 3.  This shall be the game outcome. <?php
        // Dice game conversion for Crypto.Games
        
$client_seed = "dQt2XQ1kMkdgHTN9PGN4CWDHs78kz4fdehgIAgCm";
$server_seed = "Gp99P8R250gQFnd4Lnr2csXC9JtKCHHkzXKoH7DN";
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
$position=0;
$first_five=substr($combined_hash,$position,5);
echo "First five characters, starting with position $position = $first_five\n";
do
{
    $hex_to_dec=hexdec($first_five);
    $position+=5;
}
while ($hex_to_dec > 999999);
echo "Converted to decimal = $hex_to_dec\n";

$mod5=$hex_to_dec%100000;
echo "\nLast five of these characters = $mod5\n";

// Procedure
// 1.  Join server and client seeds, server seed first.
// 2.  Generate a SHA-512 hash of the string from step 1.
// 3.  Convert first five characters of the hash from hexidecimal to decimal.
// 4.  If the result from step 3 is over 999,999 then advance five positions in the hash and go back to step 3.  Otherwise, go onto step 5.
// 5.  Take the last five digits from step 3.  This shall be the game outcome. 

<?php
        // Plinko game conversion for Crypto.Games

$server_seed = "k34pQFblHvQAJ33zZZHCQtlFlhHb4KTtw2qhOahC";        
$client_seed = "6VoqO9MXdSp5xSmiq2L6xcvn2XVvFWVLkC0TtLwc";
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
$first_four=substr($combined_hash,0,4);
echo "First four characters = $first_four\n";
$hex_to_dec=hexdec($first_four);
echo "Converted to decimal = $hex_to_dec\n";
$weight_array=array(1,17,137,697,2517,6885,14893,26333,39203,50643,58651,63019,64839,65399,65519,65535,65536);
$green_array=array(10,8,6,3,2,1.3,1,0.8,0.5,0.8,1,1.3,2,3,6,8,10);
$red_array=array(20,7,5,3,2,1.1,1,0.6,1,0.6,1,1.1,2,3,5,7,20);
$blue_array=array(50,8,3,2,1.4,1.2,1.1,1,0.4,1,1.1,1.2,1.4,2,3,8,50);
$yellow_array=array(650,30,7,3,1.5,1.2,1,0.7,0.7,0.7,1,1.2,1.5,3,7,30,650);
$i=0;
while ( $hex_to_dec >= $weight_array[$i] ) {
    $i++;
}
echo "Green win = \t$green_array[$i]\n";
echo "Red win = \t$red_array[$i]\n";
echo "Blue win = \t$blue_array[$i]\n";
echo "Yellow win = \t$yellow_array[$i]\n";

// Procedure
// 1.  Join server and client seeds, server seed first.
// 2.  Generate a SHA-512 hash of the string from step 1.
// 3.  Convert first FOUR characters of the hash from hexidecimal to decimal.
// 4.  Convert result from step 3 to a win per the arrays given.
?>

<?php
// Roulette game conversion for Crypto.Games
// Enter the Client Seed on line 4 and the Server Seed on line 5.
$client_seed = "b0x6vb0v6TYUIQWF6b0sd6f0y";
$server_seed = "sMDGT5P10m071HAdTQkoYCLJ8vLXnwzq6ugfloMT";
$next_hash = "e7043dd7fe369b94518449d61162a0c960f54781a16548af63194b7fd9d6891a";
$color_array = array(0,1,2,1,2,1,2,1,2,1,2,2,1,2,1,2,1,2,1,1,2,1,2,1,2,1,2,1,2,2,1,2,1,2,1,2,1);
$position=0;
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
$server_hash = hash('sha256',$server_seed);
echo "Hash of combined seed = $combined_hash\n";
do
{
    $first_two=substr($combined_hash,$position,2);
    $hex_to_dec=hexdec($first_two);
    $hex_to_dec%=100;
    if ($hex_to_dec>36)
    {
        $position+=2;
    }
}
while ($hex_to_dec>36);
echo "Hash of Server Seed =\t $server_hash\n";
echo "Game outcome =\t$hex_to_dec ";
if ($color_array[$hex_to_dec]==0)
{ echo "Green\n"; } 
elseif ($color_array[$hex_to_dec]==1)
{ echo "Red\n"; } 
else
{ echo "Black\n"; } 
$server_hash=hash('sha256', $server_seed);
if ($server_hash==$next_hash)
{ echo "Server Seed match.\n"; }
else
{ echo "<b>SERVER SEED MISMATCH!!!</b>\n"; }

// Procedure
// 1.  Set Position equal to 0.
// 2.  Join server and client seeds and server seed, in that order. 
// 3.  Generate a SHA-512 hash of the string from step 2.
// 4.  Convert first two characters, starting at the "position" of the hash from step 3 from hexidecimal to decimal.
// 5.  If the value from step 4 to 0 to 36, then that will be the game outcome.
// 6.  Otherwise, advance the position by 2 and go to step 4. 
?>

<?php
        // Video poker game conversion for Crypto.Games
        
$server_seed = "9N1XbQTIOGz61t0sGW8Gyb7Nmbr7qO1f01dFkrrg";
$client_seed = "5cEur0NtwPVucqV57p7ugh1y250uosGaltPxNi8Z";
$rank_array=array("A",2,3,4,5,6,7,8,9,10,"J","Q","K");
$suit_array=array("spades","hearts","diamonds","clubs");
$cards_found=0;
$position=0;
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
do
{
    $first_two=substr($combined_hash,$position,2);
    $hex_to_dec=hexdec($first_two);
    if ($hex_to_dec <=207)
    {
        $repeat=0;
        if ($cards_found>0)
        {
            for ($i=0; $i<$cards_found; $i++)
            {
                if ( $hex_to_dec == $card_array[$i]) 
                { $repeat=1; }
            }
        }
        if ($repeat==0)
        {
            $card_array[$cards_found] = $hex_to_dec;
            $cards_found++;
            $rank=$hex_to_dec%13;
            $suit=intdiv($hex_to_dec,13)%4;
            echo "Card at $position\t$first_two\t $hex_to_dec\t";
            echo "$rank_array[$rank] of $suit_array[$suit]\n";
        }
    }
    $position+=2;
    if ($position==128)
    {
        echo "Error -- No more space in hash.\n";
        $cards_found=10;
    }
}
while ($cards_found<10);

// Procedure
// 1.  Step the "step" equal to 0 and the "position" to 0. 
// 2.  Join server and client seeds,step, and server seed, in that order. 
// 3.  Generate a SHA-512 hash of the string from step 2.
// 4.  Convert first two characters, starting at the "position" of the hash from step 3 from hexidecimal to decimal.
// 5.  Divide step 4 by 25 and take the remainder.  
// 6.  If the result from step 5 is unique, for the game, then a mine will be located there.  
// 7.  Mines locations will be numbered as follows:
//     0  1  2  3  4 
//     5  6  7  8  9
//    10 11 12 13 14 
//    15 16 17 18 19
//    20 21 22 23 24
// 8. If all mine location have been identified then stop, otherwise, advance the "position" by 2 and go back to 4.  
// 9. In the very unlikely event that the "position" reaches 128 (the end of the hash), go increment the "step" by 1, reset the "position" to 0, and go back to step 2.
?>

<?php
        // Video poker game conversion for Crypto.Games
        
$server_seed = "zvEfyCcCLUiHBIqd5WcKXNt9RDpGG7CUMtj88sQE";
$client_seed = "z7K5zg4GXofAJ6TTTvsp2PBilkMVmSzS6lef06Ku";
$rank_array=array("A",2,3,4,5,6,7,8,9,10,"J","Q","K");
$suit_array=array("spades","hearts","diamonds","clubs");
$cards_found=0;
$position=0;
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
do
{
    $first_two=substr($combined_hash,$position,2);
    $hex_to_dec=hexdec($first_two)%100;
    if ($hex_to_dec <=51)
    {
        $repeat=0;
        if ($cards_found>0)
        {
            for ($i=0; $i<$cards_found; $i++)
            {
                if ( $hex_to_dec == $card_array[$i]) 
                { $repeat=1; }
            }
        }
        if ($repeat==0)
        {
            $card_array[$cards_found] = $hex_to_dec;
            $game_position=1+($cards_found%5);
            $cards_found++;
            $rank=$hex_to_dec%13;
            $suit=intdiv($hex_to_dec,13)%4;
            if ($cards_found<=5)
            {   echo "Deal card $game_position =\t$rank_array[$rank] of $suit_array[$suit]\n"; }
            else 
            {   echo "Draw card $game_position =\t$rank_array[$rank] of $suit_array[$suit]\n"; }
        }
    }
    $position+=2;
    if ($position==128)
    {
        echo "Error -- No more space in hash.\n";
        $cards_found=10;
    }
}
while ($cards_found<10);

// Procedure
// 1.  Step the "position" to 0. 
// 2.  Join server and client seed and server seed, in that order. 
// 3.  Generate a SHA-512 hash of the string from step 2.
// 4.  Convert first two characters, starting at the "position" of the hash from step 3 from hexidecimal to decimal.
// 5.  Take the terminal two digits from from 4. 
// 6.  If the result from step 5 is 51 or less, and hasn't been found yet, then that will be one of the first ten cards.   
// 7.  Increment the "position" by 2.
// 8.  Keep repeating steps 4 to 7 until ten unique cards are found.  
// 9.  The first five cards found will be dealt on the deal, starting from left to right.
// 10. The second five cards will be in a queue to be dealt on the draw.  For example, if the player draws three cards, then he will get the 6th, 7th, and 8th cards in the queue. 
// 11  To get a card position from step 6 to an actual card, do as follows: 
//     A.  Divide the result from step 4 by 13 and take the remainder.
//     B.  Map the result from step 11A to get the rank, as follows: 0 to A, 1 to 2, 2 to 3, ... , 9 to 10, 10 to J, 11 to Q, 12 to K.
//     C.  Divide the result from step 4 by 13 and DROP the remainer.  
//     D.  Map the result from step 11C to get the suit, as follows: 0 to spades, 1 to hearts, 2 to diamonds, 3 to clubs. 
?>

<?php
        // blackjack game conversion for Crypto.Games
        
$server_seed = "UOq310AMOKDvRmEuY1OVhU4EjoiuEwqQSpRc7HlQ";
$client_seed = "a4eft0F19oAFr2H5F18B4gk6dWv7tnmMTkRE1H40";
$rank_array=array("A",2,3,4,5,6,7,8,9,10,"J","Q","K");
$suit_array=array("spades","hearts","diamonds","clubs");
$cards_found=0;
$position=0;
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
do
{
    $first_two=substr($combined_hash,$position,2);
    $hex_to_dec=hexdec($first_two);
    if ($hex_to_dec <=207)
    {
        $repeat=0;
        if ($cards_found>0)
        {
            for ($i=0; $i<$cards_found; $i++)
            {
                if ( $hex_to_dec == $card_array[$i]) 
                { $repeat=1; }
            }
        }
        if ($repeat==0)
        {
            $card_array[$cards_found] = $hex_to_dec;
            $cards_found++;
            $rank=$hex_to_dec%13;
            $suit=intdiv($hex_to_dec,13)%4;
            echo "Card $cards_found = \t$rank_array[$rank] of $suit_array[$suit]\n";
        }
    }
    $position+=2;
    if ($position==128)
    {
        echo "Error -- No more space in hash.\n";
        $cards_found=10;
    }
}
while ($cards_found<20);

// Procedure
// 1.  Step the "step" equal to 0 and the "position" to 0. 
// 2.  Join server and client seeds,step, and server seed, in that order. 
// 3.  Generate a SHA-512 hash of the string from step 2.
// 4.  Convert first two characters, starting at the "position" of the hash from step 3 from hexidecimal to decimal.
// 5.  If the result from step 4 is 0 to 207, then map it to a specific card in a four-deck shoe.
// 6.  If the result from step 5 has appeared yet, then that shall be the next card to be dealt in the game. 
// 7.  To get a card position from step 6 to an actual card, do as follows: 
//     A.  Divide the result from step 4 by 13 and take the remainder.
//     B.  Map the result from step 7A to get the rank, as follows: 0 to A, 1 to 2, 2 to 3, ... , 9 to 10, 10 to J, 11 to Q, 12 to K.
//     C.  Divide the result from step 4 by 13 and DROP the remainer.  
//     D.  Divide the result from step 7C by 4 and take the remainder.
//     E.  Map the result from step 7D to get the suit, as follows: 0 to spades, 1 to hearts, 2 to diamonds, 3 to clubs. 
// 8.  Keep repeating steps 4 to 7 until you reach the end of the hash, although it is unlikely this many cards will be needed in the game.
?>

<?php
        // Slot machine conversion for Crypto.Games
        
$server_seed = "OijoSiL8SYs8HorgShUvdpK30SAYorM2uA29SjBS";
$client_seed = "A2icyCKa0ll6vqmF8Ey0DnpAZE4PUiU8qnspfAAS";
$reel_strip_array=array("Error","Apple","Banana","Cherry","Grapes","Strawberry","Orange","Coin","Peach");
$win_array=array(1000,1500,700,100,100,70,25,11,0);
$reels_found=0;
$position=0;
$combined_seed = $server_seed.$client_seed;
echo "Combined seed = $combined_seed\n";
$combined_hash = hash('sha512', $combined_seed);
echo "Hash of combined seed = $combined_hash\n";
do
{
    $first_two=substr($combined_hash,$position,2);
    $hex_to_dec=hexdec($first_two)%10;
    if (($hex_to_dec>=1)&&($hex_to_dec<=8))
    {
        $reels_array[$reels_found] = $hex_to_dec;
        $reels_found++;
        echo "Reel $reels_found =\t$reel_strip_array[$hex_to_dec]\n";
    }
    $position+=2;
    if ($position==128)
    {
        echo "Error -- No more space in hash.\n";
        $reels_found=5;
    }
}
while ($reels_found<5);
$coins=0;
for ($i=0; $i<=4; $i++)
{
    if ($reels_array[$i]==7)
    {   $coins++;   }
}
if ($coins==5)
{   $win=0; }
elseif ( ($reels_array[0]==$reels_array[1]) && ($reels_array[0]==$reels_array[2]) && ($reels_array[0]==$reels_array[3]) && ($reels_array[0]==$reels_array[4]))
{   $win=1; } // five of a kind
elseif ($coins==4)
{   $win=2; }
elseif ((($reels_array[0]==$reels_array[1]) && ($reels_array[0]==$reels_array[2]) && ($reels_array[0]==$reels_array[3])) || 
        (($reels_array[0]==$reels_array[1]) && ($reels_array[0]==$reels_array[2]) && ($reels_array[0]==$reels_array[4])) || 
        (($reels_array[0]==$reels_array[1]) && ($reels_array[0]==$reels_array[3]) && ($reels_array[0]==$reels_array[4])) || 
        (($reels_array[0]==$reels_array[2]) && ($reels_array[0]==$reels_array[3]) && ($reels_array[0]==$reels_array[4])) || 
        (($reels_array[1]==$reels_array[2]) && ($reels_array[1]==$reels_array[3]) && ($reels_array[1]==$reels_array[4]))) 
{   $win=3; } // four of a kind
elseif ($coins==3)
{   $win=4; }
elseif ($coins==2)
{   $win=5; }
elseif ($coins==1)
{   $win=6; }
else
{   $win=7; }
echo "Win    =\t$win_array[$win]\n"

// Procedure
// 1.  Step the "position" to 0 and "reels found" to 0.
// 2.  Join server and client seed and server seed, in that order. 
// 3.  Generate a SHA-512 hash of the string from step 2.
// 4.  Convert first two characters, starting at the "position" of the hash from step 3 from hexidecimal to decimal.
// 5.  Take the terminal digit from from 4. 
// 6.  If the result from step 5 is 1 to 8, then, map it to a symbol, according to the table below, and increment "reels found" by 1.
// 7.  If five reels have been found, then stop, otherwise increment the "position" by 1 and go back to step 4.
// 8.  After five reels have been found, display them from left to right, in order that they were found in the Hash.
// 9.  Symbol map:
//     1 = Apple
//     2 = Banana
//     3 = Cherry
//     4 = Grapes
//     5 = Strawberry
//     6 = Orange
//     7 = Coin
//     8 = Peach
?>