getprop("ro.product.device") == "cannon" || abort("E3004: This package is for \"cannon\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.2.0.QJECNXM:user/release-keys");
ui_print("Target: Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.3.0.QJECNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.2.0.QJECNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.3.0.QJECNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.2.0.QJECNXM:user/release-keys or Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.3.0.QJECNXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
show_progress(0.100000, 10);
patch_partition_check("EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238",
                      "EMMC:/dev/block/by-name/boot:67108864:9a2e205c2d3d3a1582e4ee41a7c980d6c8a7e751") ||
    abort("E3005: \"EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238\" or \"EMMC:/dev/block/by-name/boot:67108864:9a2e205c2d3d3a1582e4ee41a7c980d6c8a7e751\" has unexpected contents.");
apply_patch_space(77135872) || abort("E3006: Not enough free space on /cache to apply patches.");
patch_partition_check("EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba",
                      "EMMC:/dev/block/by-name/md1img:60467024:6a6b7d734eff6c3c71d1473180d493b57ffe5442") ||
    abort("E3005: \"EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba\" or \"EMMC:/dev/block/by-name/md1img:60467024:6a6b7d734eff6c3c71d1473180d493b57ffe5442\" has unexpected contents.");
apply_patch_space(60474384) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "78,1,239,268,277,279,280,530,534,550,551,32768,32770,32977,32993,34126,34128,34486,34490,34503,34504,34664,34668,34676,34677,34690,34694,34698,34699,35188,35192,35208,35209,35218,35222,35226,36177,36183,36187,36191,36192,36236,36242,36248,36249,40280,40281,40292,40296,40300,40301,40498,40502,40510,40511,40514,40515,40532,40536,40540,98306,98513,163842,164049,229378,229585,294914,295121,786437,786448,819202,819409,819410,819425,848242,850787,864268,864446,864447") == "0627371e165c01964c220a339109dd86eeda99f7" || block_image_verify(map_partition("system"), package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat")) then
ui_print("Verified system image...");
else
check_first_block(map_partition("system"));
ifelse (block_image_recover(map_partition("system"), "78,1,239,268,277,279,280,530,534,550,551,32768,32770,32977,32993,34126,34128,34486,34490,34503,34504,34664,34668,34676,34677,34690,34694,34698,34699,35188,35192,35208,35209,35218,35222,35226,36177,36183,36187,36191,36192,36236,36242,36248,36249,40280,40281,40292,40296,40300,40301,40498,40502,40510,40511,40514,40515,40532,40536,40540,98306,98513,163842,164049,229378,229585,294914,295121,786437,786448,819202,819409,819410,819425,848242,850787,864268,864446,864447") && block_image_verify(map_partition("system"), package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat"), ui_print("system recovered successfully."), abort("E1004: system partition fails to recover"));
endif;
if (range_sha1(map_partition("vendor"), "114,1,91,735,739,756,757,759,763,765,766,777,781,785,786,2688,2689,2693,2703,5934,5935,6020,6027,6033,6035,13431,13432,32768,32770,32823,32851,40665,40666,42295,42296,50334,50339,50457,55782,58807,58809,59787,59837,59932,59933,60366,60367,60375,60534,60665,60666,60794,60796,62536,62537,62756,62758,62759,62760,62772,62778,62792,62793,62830,62831,62941,62942,63054,63055,63166,63170,63935,64140,65536,65581,69252,69253,69265,69266,74060,74061,75313,75314,78262,78263,78266,78267,78279,78464,79065,79070,79075,79254,79434,79457,79479,79540,79797,79798,87285,87286,87558,87994,88278,98306,98359,163842,163895,196634,196636,218205,218942,222415,222473,222474") == "051c031eca65d6cbc146275948ca3ac0e4dac72f" || block_image_verify(map_partition("vendor"), package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat")) then
ui_print("Verified vendor image...");
else
check_first_block(map_partition("vendor"));
ifelse (block_image_recover(map_partition("vendor"), "114,1,91,735,739,756,757,759,763,765,766,777,781,785,786,2688,2689,2693,2703,5934,5935,6020,6027,6033,6035,13431,13432,32768,32770,32823,32851,40665,40666,42295,42296,50334,50339,50457,55782,58807,58809,59787,59837,59932,59933,60366,60367,60375,60534,60665,60666,60794,60796,62536,62537,62756,62758,62759,62760,62772,62778,62792,62793,62830,62831,62941,62942,63054,63055,63166,63170,63935,64140,65536,65581,69252,69253,69265,69266,74060,74061,75313,75314,78262,78263,78266,78267,78279,78464,79065,79070,79075,79254,79434,79457,79479,79540,79797,79798,87285,87286,87558,87994,88278,98306,98359,163842,163895,196634,196636,218205,218942,222415,222473,222474") && block_image_verify(map_partition("vendor"), package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat"), ui_print("vendor recovered successfully."), abort("E2004: vendor partition fails to recover"));
endif;
if (range_sha1(map_partition("product"), "24,1,37,570,576,593,594,596,597,712,716,720,721,15286,15287,30968,30969,32380,32770,32782,52490,52650,53488,53515,53516") == "ffca7ddbb7c57c4f5fc93e7cc5be37b1bfb1678f" || block_image_verify(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat")) then
ui_print("Verified product image...");
else
ifelse (block_image_recover(map_partition("product"), "24,1,37,570,576,593,594,596,597,712,716,720,721,15286,15287,30968,30969,32380,32770,32782,52490,52650,53488,53515,53516") && block_image_verify(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat"), ui_print("product recovered successfully."), abort("E2004: product partition fails to recover"));
endif;

# ---- start making changes here ----

ui_print("Patching boot image...");
show_progress(0.100000, 10);
patch_partition("EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238",
                "EMMC:/dev/block/by-name/boot:67108864:9a2e205c2d3d3a1582e4ee41a7c980d6c8a7e751",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/boot:67108864:9a2e205c2d3d3a1582e4ee41a7c980d6c8a7e751");
show_progress(0.600000, 600);

# --- Start patching dynamic partitions ---


# Update dynamic partition metadata

assert(update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")));

# Patch partition product

ui_print("Patching product image after verification.");
block_image_update(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat") ||
  abort("E2001: Failed to update product image.");

# Patch partition vendor

ui_print("Patching vendor image after verification.");
block_image_update(map_partition("vendor"), package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");

# Patch partition system

ui_print("Patching system image after verification.");
block_image_update(map_partition("system"), package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");

# --- End patching dynamic partitions ---

show_progress(0.100000, 2);
show_mtupdate_stage("/cache/recovery/last_mtupdate_stage");
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "1") ,
(
ui_print("start to update general image");
package_extract_file("audio_dsp.img", "/dev/block/by-name/audio_dsp");
package_extract_file("pi_img.img", "/dev/block/by-name/pi_img");
package_extract_file("cam_vpu3.img", "/dev/block/by-name/cam_vpu3");
package_extract_file("dtbo.img", "/dev/block/by-name/dtbo");
package_extract_file("cam_vpu2.img", "/dev/block/by-name/cam_vpu2");
package_extract_file("cam_vpu1.img", "/dev/block/by-name/cam_vpu1");
ui_print("Patching md1img image...");
show_progress(0.100000, 10);
patch_partition("EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba",
                "EMMC:/dev/block/by-name/md1img:60467024:6a6b7d734eff6c3c71d1473180d493b57ffe5442",
                package_extract_file("patch/md1img.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/md1img:60467024:6a6b7d734eff6c3c71d1473180d493b57ffe5442");
package_extract_file("spmfw.img", "/dev/block/by-name/spmfw");
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "1");
),
ui_print("general images are already updated");
);
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "3") ,
(
if less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "2") then

ui_print("start to update alt loader image");
package_extract_file("sspm.img", "/dev/block/by-name/sspm_2");
package_extract_file("tee.img", "/dev/block/by-name/tee2");
package_extract_file("scp.img", "/dev/block/by-name/scp2");
package_extract_file("mcupm.img", "/dev/block/by-name/mcupm_2");
package_extract_file("lk.img", "/dev/block/by-name/lk2");
package_extract_file("dpm.img", "/dev/block/by-name/dpm_2");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/sdb"));
else 
 assert(set_emmc_writable("/sys/block/mmcblk0boot1/force_ro"),
        package_extract_file("preloader_emmc.img", "/dev/block/mmcblk0boot1"));
endif;
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "2");
endif;

switch_active("sspm_1", "sspm_2");
switch_active("tee1", "tee2");
switch_active("scp1", "scp2");
switch_active("mcupm_1", "mcupm_2");
switch_active("lk", "lk2");
switch_active("dpm_1", "dpm_2");
switch_active("preloader", "preloader2");
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "3");
),
ui_print("alt loder images are already updated");
);
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "5") ,
(
if less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "4") then

ui_print("start to update main loader image");
package_extract_file("sspm.img", "/dev/block/by-name/sspm_1");
package_extract_file("tee.img", "/dev/block/by-name/tee1");
package_extract_file("scp.img", "/dev/block/by-name/scp1");
package_extract_file("mcupm.img", "/dev/block/by-name/mcupm_1");
package_extract_file("lk.img", "/dev/block/by-name/lk");
package_extract_file("dpm.img", "/dev/block/by-name/dpm_1");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/sda"));
else 
 assert(set_emmc_writable("/sys/block/mmcblk0boot0/force_ro"),
        package_extract_file("preloader_emmc.img", "/dev/block/mmcblk0boot0"));
endif;
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "4");
endif;

switch_active("sspm_2", "sspm_1");
switch_active("tee2", "tee1");
switch_active("scp2", "scp1");
switch_active("mcupm_2", "mcupm_1");
switch_active("lk2", "lk");
switch_active("dpm_2", "dpm_1");
switch_active("preloader2", "preloader");
),
ui_print("main loader images are already updated");
);
delete("/cache/recovery/last_mtupdate_stage");
package_extract_file("vbmeta_system.img", "/dev/block/by-name/vbmeta_system");
package_extract_file("vbmeta.img", "/dev/block/by-name/vbmeta");
package_extract_file("vbmeta_vendor.img", "/dev/block/by-name/vbmeta_vendor");
post_ota_action();
