From 1b31f92d6ff0d58c37019c5ad499c3da22abd7de Mon Sep 17 00:00:00 2001
From: MEUNIER Thibaud <thibaud.meunier@laposte.net>
Date: Sun, 12 May 2024 10:45:12 +0200
Subject: [PATCH] Ajout mode triptyque

---
 blockchain/data/blocks.json      |  31 ++++
 blockchain/data/blocks.json.2    | 266 +++++++++++++++++++++++++++++++
 methode2/lovecraft/draw.php      |  75 +++++++++
 scripts/block2.sh                |  67 ++++++++
 scripts/draw_all_empty_blocks.sh |  23 +++
 scripts/triptyque.sh             |  96 +++++++++++
 triptyque/robot.php              |  86 ++++++++++
 7 files changed, 644 insertions(+)
 create mode 100644 blockchain/data/blocks.json.2
 create mode 100644 methode2/lovecraft/draw.php
 create mode 100755 scripts/block2.sh
 create mode 100755 scripts/draw_all_empty_blocks.sh
 create mode 100755 scripts/triptyque.sh
 create mode 100644 triptyque/robot.php

diff --git a/blockchain/data/blocks.json b/blockchain/data/blocks.json
index 29a2fd9..3478f50 100644
--- a/blockchain/data/blocks.json
+++ b/blockchain/data/blocks.json
@@ -1,4 +1,28 @@
 [
+  {
+    "hash": "0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5",
+    "height": 840000,
+    "name": "HALVING_4",
+    "desc": "Ce block marque le 4éme halving pour la blockchaîn"
+  },
+  {
+    "hash": "00000000000000000002b7cf7652ce547d8b94e35e367f947e380677e3d8c05a",
+    "height": 832405,
+    "name": "ATH_60k_USD",
+    "desc": "ATH 60K atteint au cours de ce bloc"
+  },
+  {
+    "hash": "00000000000000000001ccb803261355809bc46e6e1488e2b6daa828db2b4dce",
+    "height": 830706,
+    "name": "NAVALNY_HAS_DIED",
+    "desc": "Opposant russe Alexei Navalny, mort en detention le 16 fevrier 2024 a 47 ans"
+  },
+  {
+    "hash": "000000000000000000002a3983effd69337ddd75f5862715f6c9b36e0bfa3368",
+    "height": 828524,
+    "name": "REFONTE2024",
+    "desc": "Janvier 2024, refonte su site frontend"
+  },
   {
     "hash": "00000000000000000000a63021c17572b66507c6b6623ccf4e780272d19b2528",
     "height": 824513,
@@ -233,6 +257,13 @@
     "name": "LUCIFER",
     "desc": null
   },
+
+  {
+    "hash": "00000000054aad44afc89e1f4e0ee9561568629273df16153e425a2eb9cbbcb9",
+    "height": 261,
+    "name": "K_SWITZER",
+    "desc": "Katherine SWITZER ran the BOSTON MARATHON"
+  },
   {
     "hash": "00000000d1145790a8694403d4063f323d499e655c83426834d4ce2f8dd4a2ee",
     "height": 170,
diff --git a/blockchain/data/blocks.json.2 b/blockchain/data/blocks.json.2
new file mode 100644
index 0000000..46e9bac
--- /dev/null
+++ b/blockchain/data/blocks.json.2
@@ -0,0 +1,266 @@
+[
+  {
+    "hash": "0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5",
+    "height": 840000,
+    "name": "HALVING_4",
+    "desc": "Ce block marque le 4éme halving pour la blockchaîn"
+  },
+  {
+    "hash": "00000000000000000000a63021c17572b66507c6b6623ccf4e780272d19b2528",
+    "height": 824513,
+    "name": "BURN2024",
+    "desc": "Le 03 janvier 2024, Binance a envoyé 26,9 BTC (valorisés 1,2 millions de dollars) sur un Genesis Wallet"
+  },
+  {
+    "hash": "00000000000000000001e6d99b42a2fe649591e7b97b1d4327e2bc3ade53d6d7",
+    "height": 772923,
+    "name": "BERNIQUE",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000001f5beb60d9ca47adf18db5136b558379ed533fc9f6c85",
+    "height": 753335,
+    "name": "ELISABETH_2_HAS_DIED",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000065676a19a2dfba0171b592d52f5ea7db54d45bb386400",
+    "height": 724697,
+    "name": "UKRAINE",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000031ec514b89bdac2c4786bbcc3a1a0acd1206f82181901",
+    "height": 718720,
+    "name": "POITIERS",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000000e55da58b378880e797f9f3e96811d3e64a2f801eed9a",
+    "height": 700700,
+    "name": "BAB_BRUXELLES",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000000bfade5b2979c3d47c6dd6a1e8ddf53380e8c3d736ce0",
+    "height": 699382,
+    "name": "SALVADOR",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000000b7b8574bc6fd285825ec2dbcbeca149121fc05b0c828c",
+    "height": 666666,
+    "name": "MORNING_STAR",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000070daa5861fe1e7064ef8007825431229c6c1cab2c766f",
+    "height": 654364,
+    "name": "WHALE20201026",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000005c0f74e8b00c3961d6dfbf32936edeaa300015949f3c4",
+    "height": 632676,
+    "name": "2020JUMP10000",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000000f811e171eee52157e9a95963140e62fa83610f23ea7e",
+    "height": 631058,
+    "name": "DORMEUR",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000024bead8df69990852c202db0e0097c1a12ea637d7e96d",
+    "height": 630000,
+    "name": "HALVING_3",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000001186079bbf9a5d945231236135af7a766bd34d814e7319",
+    "height": 628710,
+    "name": "RIP_STEEVE",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000099457d2aeb2b7fc8ad8adb1490814cb674dc5767ae9b9",
+    "height": 622453,
+    "name": "COVID19",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000001a3c68111789a6c2cc76f1209d1dae63b05460053eb2b",
+    "height": 619165,
+    "name": "EQUILIBRE202002",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000000f2306f08e8f34872a24dfaad3423801a91ee1626e9ea4",
+    "height": 618986,
+    "name": "SOPHIA202002",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000001085a869441fa2aa77f149a887af0ce59846ef51da6e4c",
+    "height": 616193,
+    "name": "EQUILIBRE",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000000b05f877e6e49b380f4f78b3cfb605b67439f825dba197",
+    "height": 613470,
+    "name": "2020JUMP9000",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000009e8fb4ac719a362c1c4e3df439740069ee58e2a713258",
+    "height": 612149,
+    "name": "DEMISSION20200110",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000051f84a7a1d0f5b2ddaf5682cbec5f7acb2bf5fa339725",
+    "height": 593879,
+    "name": "GOLGOTH201909",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000014fcb29e6e3b0ead3bd2e307d7f619a935f1d5323e9013",
+    "height": 593468,
+    "name": "WHALE201909",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000000f9f2dadfb8f312572183272802cbfcc4ff95b4ee6777d",
+    "height": 545911,
+    "name": "WHALE201810",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000021e800c1e8df51b22c1588e5a624bea17e9faa34b2dc4a",
+    "height": 528249,
+    "name": "BLOCK21E800",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000000fe6d521a187a5523d5cef6f6c178923ff82ffe5a0f372",
+    "height": 506734,
+    "name": "HURRICANE_1",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000004b27f9ee7ba33d6f048f684aaeb0eea4befd80f1701126",
+    "height": 501726,
+    "name": "NO_REWARD",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000000cbeff0b533f8e1189cf09dfbebf57a8ebe349362811b80",
+    "height": 481823,
+    "name": "SEGWIT",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000012e6060980c6475a9a8e62a1bf44b76c5d51f707d54522c",
+    "height": 479808,
+    "name": "SEGWIT_LOCK",
+    "desc": null
+  },
+  {
+    "hash": "00000000000000000019f112ec0a9982926f1258cdcc558dd7c3b7e5dc7fa148",
+    "height": 478559,
+    "name": "BCC",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000000015411ca4b35f7b48ecab015b14de5627b647e262ba0ec40",
+    "height": 477120,
+    "name": "BIP_91_LOCK",
+    "desc": null
+  },
+  {
+    "hash": "000000000000000002cce816c0ab2c5c269cb081896b7dcb34b8422d6b74ffa1",
+    "height": 420000,
+    "name": "HALVING_2",
+    "desc": null
+  },
+  {
+    "hash": "0000000000000001bc7156dd1183c87859b326affa3a5cdd157e809537f0b284",
+    "height": 270953,
+    "name": "WHALE201311",
+    "desc": null
+  },
+  {
+    "hash": "000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e",
+    "height": 210000,
+    "name": "HALVING_1",
+    "desc": null
+  },
+  {
+    "hash": "000000000000041c718cd2fa4270ab80c917bb94caa79c84b417b7924a867a68",
+    "height": 196883,
+    "name": "JOHN_CONWAY",
+    "desc": null
+  },
+  {
+    "hash": "00000000152340ca42227603908689183edc47355204e7aca59383b0aaac1fd8",
+    "height": 57043,
+    "name": "PIZZA",
+    "desc": null
+  },
+  {
+    "hash": "00000000132fbe8314fc571c0be60b31ccd461c9ee85f42bde8c6d160a9dacc0",
+    "height": 24835,
+    "name": "FIRST_USD_TX",
+    "desc": null
+  },
+  {
+    "hash": "000000000a73e64735a2b75c97ea674950a9018da1420d01328a918c9ff9852c",
+    "height": 5637,
+    "name": "TOPISTO",
+    "desc": null
+  },
+  {
+    "hash": "00000000a70ba4a405c67310757606dd955cf1a3a8e5c042335d78394ea6cb67",
+    "height": 3654,
+    "name": "DORMEUR_ORIGINE",
+    "desc": null
+  },
+  {
+    "hash": "000000008bf44a528a09d203203a6a97c165cf53a92ecc27aed0b49b86a19564",
+    "height": 1337,
+    "name": "LEET",
+    "desc": null
+  },
+  {
+    "hash": "00000000fc5b3c76f27f810ee775e480ae7fd604fd196b2d8da4257fcd39f4f9",
+    "height": 666,
+    "name": "LUCIFER",
+    "desc": null
+  },
+  {
+    "hash": "00000000d1145790a8694403d4063f323d499e655c83426834d4ce2f8dd4a2ee",
+    "height": 170,
+    "name": "FIRST_TX",
+    "desc": null
+  },
+  {
+    "hash": "00000000a2886c95400fd3b263b9920af80b118b28fee5d2a162a18e4d9d8b2f",
+    "height": 78,
+    "name": "HAL_FINLEY",
+    "desc": null
+  },
+  {
+    "hash": "00000000314e90489514c787d615cea50003af2023796ccdd085b6bcc1fa28f5",
+    "height": 42,
+    "name": "THE_ANSWER",
+    "desc": null
+  },
+  {
+    "hash": "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
+    "height": 0,
+    "name": "GENESIS",
+    "desc": null
+  }
+]
diff --git a/methode2/lovecraft/draw.php b/methode2/lovecraft/draw.php
new file mode 100644
index 0000000..6d7915e
--- /dev/null
+++ b/methode2/lovecraft/draw.php
@@ -0,0 +1,75 @@
+<?php
+
+function DrawBlock($the_block, $vImage, $parametres)
+{
+  // valeurs par défaut
+  $type   = 1;
+
+  // Ces variables vont permettre de caler les lignes
+  // dans la zone de dessin en se laissant des marges
+  // en haut et en bas
+  $somme   = 0;
+  $min     =-1;
+  $max     = 0;
+  $marge_x = 10;
+  $marge_y = 10;
+  $facteur_max = 2.5;
+  $alpha   = 0;
+
+  // Détermine si on dessine les tx, les fees ou la récompense
+  if (isset($parametres['type']))             $type    = $parametres['type'];
+
+  // Paramètres de dessin
+  if (isset($parametres['x']))                $x        = $parametres['x'];
+  if (isset($parametres['y']))                $y        = $parametres['y'];
+  if (isset($parametres['width']))            $width    = $parametres['width'];
+  if (isset($parametres['height']))           $height   = $parametres['height'];
+  if (isset($parametres['font_color']))       $vFgColor = $parametres['font_color'];
+  if (isset($parametres['background_color'])) $vBgColor = $parametres['background_color'];
+  if (isset($parametres['font_RGB']))         $vFgRGB   = $parametres['font_RGB'];
+  if (isset($parametres['background_RGB']))   $vBgRGB   = $parametres['background_RGB'];
+
+  // Remplir le fond
+  imagefilledrectangle($vImage, $x+($marge_x/2), $y+($marge_y/2), $x+$width-+($marge_x/2), $y+$height-+($marge_y/2), $vFgColor);
+
+  // Dégradé de 360 couleurs entre la couleur de dessin et le blanc
+  $nbColor = 360;
+  $vColor = getGDcolorGradientArray($vImage, $nbColor, $vBgRGB, $vFgRGB, $alpha);
+
+  // Récup des données
+  $data = blockchain::getTransactionData($the_block, $type);
+
+  $xc = $x + ($width / 2);
+  $yc = $y + ($height / 2);
+
+  $mini=$height/6.4;
+  $maxi=$height/3.2;
+  $angle=0;
+  $ppas=2000.0;
+  $pas=360.0/TX_HASH_LEN;
+  $pas /= $ppas;
+
+  for($i=0;$i<TX_HASH_LEN;$i++)
+  {
+    $valeur = hexdec($the_block->hash[$i]);
+    $r  = $mini;
+    $r += ($maxi*(($valeur+1.0)/16.0));
+    
+    $xi = $xc + $r*cos(deg2rad($angle));
+    $yi = $yc + $r*sin(deg2rad($angle));
+
+    for($ii=0;$ii<$ppas;$ii++)
+    {
+
+        $xi = $xc + $r*cos(deg2rad($angle));
+        $yi = $yc + $r*sin(deg2rad($angle));
+
+        imageline($vImage, $xc, $yc, $xi, $yi, $vColor[abs(floor(180-$angle))]->color);
+
+        $angle += $pas;
+    }
+
+  }
+}
+
+?>
diff --git a/scripts/block2.sh b/scripts/block2.sh
new file mode 100755
index 0000000..a19fcf9
--- /dev/null
+++ b/scripts/block2.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+lescript=`basename $0 .sh`
+
+#
+#  TOOLS
+#
+function debug
+{
+  if [ -f $FLAG_PATH/debug ]
+  then
+    echo $1
+  fi
+}
+
+#
+# PARAMETRES PAR FICHIER FLAGS
+#
+if [ -f $FLAG_PATH/no_blocks ]
+then
+  debug "No blocks"
+fi
+
+BLOCK=$1
+if [ -z "$BLOCK" ]
+then
+    BLOCK=`grep LAST $DATA_PATH/block_list.txt | awk '{print $2}'`
+fi
+echo $BLOCK
+
+cd $APPS_PATH/info
+infos=`php robot.php $BLOCK`
+HEIGHT=`echo $infos | awk '{print $1}'`
+TIMETS=`echo $infos | awk '{print $2}'`
+NBTX=`echo $infos | awk '{print $3}'`
+NONCE=`echo $infos | awk '{print $4}'`
+PREV=`echo $infos | awk '{print $5}'`
+
+#
+# TEST DU FLAG
+#
+flag=$FLAG_PATH/bot_${lescript}_${BLOCK}.flag
+if [ -f $flag ]
+then
+  debug "${lescript}_${BLOCK} already done"
+fi
+touch $flag
+
+LISTE_METHODE=`ls $APPS_PATH/methode2 | grep -v robot | shuf`
+
+cd $APPS_PATH/methode2
+for METHODE in $LISTE_METHODE
+do
+  if [ ! -d $DATA_PATH/$METHODE ]
+  then
+    mkdir -p $DATA_PATH/$METHODE
+  fi
+  echo $BLOCK $NAME $METHODE
+  if [ ! -f $DATA_PATH/$METHODE/$BLOCK.png ]
+  then
+    php robot.php $METHODE $BLOCK $((RANDOM % 6)) $2
+    cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/$METHODE/$BLOCK.png
+    cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/hasard/$BLOCK.png
+  fi
+done
+
+cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/nonce/$BLOCK.png
+
diff --git a/scripts/draw_all_empty_blocks.sh b/scripts/draw_all_empty_blocks.sh
new file mode 100755
index 0000000..cc37061
--- /dev/null
+++ b/scripts/draw_all_empty_blocks.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+while IFS='' read -r line || [[ -n "$line" ]]; do
+
+    HASH=`echo $line | awk '{print $1}'`
+    HEIGHT=`echo $line | awk '{print $2}'`
+
+    if [ ! -f $DATA_PATH/json/$HASH.zip ]; then
+        cd $APPS_PATH/info
+        infos=`php robot.php $HASH`
+        NBTX=`echo $infos | awk '{print $3}'`
+
+        if [ $NBTX -eq 1 ]; then
+            echo draw bloc $HEIGHT
+            echo LAST $HASH $HEIGHT $NTX >> $DATA_PATH/emptybot/all_empty_blocks.txt
+            source $APPS_PATH/scripts/block2.sh $HASH
+            rm $DATA_PATH/json/$HASH.zip
+        fi
+    fi
+
+done < $1
+
+sort -n $DATA_PATH/emptybot/all_empty_blocks.txt
diff --git a/scripts/triptyque.sh b/scripts/triptyque.sh
new file mode 100755
index 0000000..d1cc7c6
--- /dev/null
+++ b/scripts/triptyque.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+lescript=`basename $0 .sh`
+
+#
+#  TOOLS
+#
+function debug
+{
+  if [ -f $FLAG_PATH/debug ]
+  then
+    echo $1
+  fi
+}
+
+#
+# PARAMETRES PAR FICHIER FLAGS
+#
+if [ -f $FLAG_PATH/no_blocks ]
+then
+  debug "No blocks"
+fi
+
+BLOCK0=$1
+if [ -z "$BLOCK" ]
+then
+    BLOCK0=`grep LAST $DATA_PATH/block_list.txt | awk '{print $2}'`
+fi
+echo $BLOCK0
+
+pushd $APPS_PATH/info
+infos=`php robot.php $BLOCK0`
+HEIGHT=`echo $infos | awk '{print $1}'`
+TIMETS=`echo $infos | awk '{print $2}'`
+NBTX=`echo $infos | awk '{print $3}'`
+NONCE=`echo $infos | awk '{print $4}'`
+PREV=`echo $infos | awk '{print $5}'`
+popd
+
+#
+# TEST DU FLAG
+#
+flag=$FLAG_PATH/bot_${lescript}_${BLOCK0}.flag
+if [ -f $flag ]
+then
+  debug "${lescript}_${BLOCK0} already done"
+fi
+touch $flag
+
+if [ -f $DATA_PATH/nonce/$BLOCK0.png ]
+then
+    echo COMPUTE IMAGE FOR $BLOCK0
+    pushd $APPS_PATH >> /dev/null
+    ./lancer2.sh block2 $BLOCK0
+    popd >> /dev/null
+fi
+echo $DATA_PATH/nonce/$BLOCK0.png
+
+BLOCK1=$PREV
+pushd $APPS_PATH/info >> /dev/null
+infos=`php robot.php $BLOCK1`
+HEIGHT=`echo $infos | awk '{print $1}'`
+TIMETS=`echo $infos | awk '{print $2}'`
+NBTX=`echo $infos | awk '{print $3}'`
+NONCE=`echo $infos | awk '{print $4}'`
+PREV=`echo $infos | awk '{print $5}'`
+popd >> /dev/null
+if [ -f $DATA_PATH/nonce/$BLOCK1.png ]
+then
+    echo COMPUTE IMAGE FOR $BLOCK1
+    pushd $APPS_PATH >> /dev/null
+    ./lancer2.sh block2 $BLOCK1
+    popd >> /dev/null
+fi
+echo $DATA_PATH/nonce/$BLOCK1.png
+
+BLOCK2=$PREV
+pushd $APPS_PATH/info >> /dev/null
+infos=`php robot.php $BLOCK2`
+HEIGHT=`echo $infos | awk '{print $1}'`
+TIMETS=`echo $infos | awk '{print $2}'`
+NBTX=`echo $infos | awk '{print $3}'`
+NONCE=`echo $infos | awk '{print $4}'`
+PREV=`echo $infos | awk '{print $5}'`
+popd >> /dev/null
+if [ -f $DATA_PATH/nonce/$BLOCK2.png ]
+then
+    echo COMPUTE IMAGE FOR $BLOCK2
+    pushd $APPS_PATH >> /dev/null
+    ./lancer2.sh block2 $BLOCK2
+    popd >> /dev/null
+fi
+echo $DATA_PATH/nonce/$BLOCK2.png
+
+pushd $APPS_PATH/triptyque >> /dev/null
+php robot.php $BLOCK0 $BLOCK1 $BLOCK2
+popd >> /dev/null
diff --git a/triptyque/robot.php b/triptyque/robot.php
new file mode 100644
index 0000000..4c43ff1
--- /dev/null
+++ b/triptyque/robot.php
@@ -0,0 +1,86 @@
+<?php
+
+// ---
+// --- La config globale
+// ---
+require_once '../global/inc/config.php';
+
+// ---
+// --- External dependances
+// ---
+require TOPISTO_PATH.'/ressources/vendor/autoload.php';
+require_once '../global/inc/colors.php';
+require_once '../global/inc/cubic.php';
+
+// ---
+// --- Internal dependances
+// ---
+require_once APP_PATH.'/blockchain/inc/block.php';
+
+// ---
+// --- Par défaut on cherche le dernier block
+// --- Le cas échéant, on cherche block passé en argument
+// ---
+$block_hash0 = 'LAST';
+if (isset($argv[1])) $block_hash0 = $argv[1];
+
+$block_hash1 = 'LAST';
+if (isset($argv[2])) $block_hash1 = $argv[2];
+
+$block_hash2 = 'LAST';
+if (isset($argv[3])) $block_hash2 = $argv[3];
+
+$the_block = blockchain::getBlockWithHash($block_hash0);
+if ($the_block === FALSE) die();
+
+$taille=1;
+
+$bandeau     = 50;
+$marge       = 25;
+$text_border = 20;
+$width       = GRAPH_WIDTH * $taille;
+$height      = GRAPH_HEIGHT * $taille;
+$couleur     = -1; // Au hasard
+
+// Pour que l'image simple ait les proportions que l'image full
+$width  = $marge + ($width*2)  + (2*$text_border);
+$height = $marge + ($height*2);
+
+// création d'une image plus haute pour inclure bandeaux haut et bas
+$img_w = $width;
+$img_h = ($height+(2*$bandeau));
+
+$decal=5;
+$y=0-($img_h/2);
+
+$img = imagecreatetruecolor($img_w+10, ($img_h*2)-($decal*2));
+
+// on met une couleur transparente sur le fond
+//$white = imagecolorallocate($img, 254, 254, 254);
+//imagecolortransparent($img, $white);
+//imagefilledrectangle($img, 0, 0, $img_w, ($img_h*3)-($decal*2), $white);
+
+$img_block=imagecreatefrompng(DATA_PATH.'/nonce/'.$block_hash0.'.png');
+imagecopy($img, $img_block,5,$y,0,0,$img_w, $img_w);
+imagedestroy($img_block);
+
+$y+=$img_h - $decal;
+$img_block=imagecreatefrompng(DATA_PATH.'/nonce/'.$block_hash1.'.png');
+imagecopy($img, $img_block,5,$y,0,0,$img_w, $img_w);
+imagedestroy($img_block);
+
+$y+=$img_h - $decal;
+$img_block=imagecreatefrompng(DATA_PATH.'/nonce/'.$block_hash2.'.png');
+imagecopy($img, $img_block,5,$y,0,0,$img_w, $img_w);
+imagedestroy($img_block);
+
+// Draw a white rectangle
+$black = imagecolorallocate($img, 0, 0, 0);
+imagefilledrectangle($img, 0, 0, $img_w+10, 5, $black);
+imagefilledrectangle($img, 0, ($img_h*2)-($decal*2)-5, $img_w+10, ($img_h*2)-($decal*2), $black);
+
+imagepng($img, DATA_PATH.'/triptyque/'.$block_hash1.'.png');
+
+imagedestroy($img);
+
+?>