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/V12.0.3.0.QJECNXM:user/release-keys");
ui_print("Target: Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.5.0.QJECNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.3.0.QJECNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.5.0.QJECNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.3.0.QJECNXM:user/release-keys or Redmi/cannon/cannon:10/QP1A.190711.020/V12.0.5.0.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:c13c1e8bb2b7c511c7e2397db1a340c2e841b830",
                      "EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238") ||
    abort("E3005: \"EMMC:/dev/block/by-name/boot:67108864:c13c1e8bb2b7c511c7e2397db1a340c2e841b830\" or \"EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238\" has unexpected contents.");
apply_patch_space(72232960) || abort("E3006: Not enough free space on /cache to apply patches.");
patch_partition_check("EMMC:/dev/block/by-name/md1img:60503296:9376a9bde940234fb6ce50db70db8b9b6a97b208",
                      "EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba") ||
    abort("E3005: \"EMMC:/dev/block/by-name/md1img:60503296:9376a9bde940234fb6ce50db70db8b9b6a97b208\" or \"EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba\" has unexpected contents.");
apply_patch_space(60503296) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "98,1,239,268,277,279,280,530,534,550,551,3233,9160,32768,32770,32978,32993,34126,34128,34486,34490,34503,34504,34664,34668,34676,34677,34690,34694,34698,34699,35188,35192,35208,35209,35218,35222,35226,36177,36183,36187,36191,36192,36236,36242,36248,36249,40280,40281,40292,40296,40300,40301,40498,40502,40510,40511,40514,40515,40532,40536,40540,45130,45138,45142,45146,45147,45153,45157,45161,45162,45164,45165,45321,45325,45331,52114,52775,52777,52801,98306,98514,163842,164050,229378,229586,294914,295122,819202,819410,851713,851968,851971,851983,851984,854312,867850,868027,868028") == "40cf4648b9412bac77a9fd0393b1f07bdea3b42d" || 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"), "98,1,239,268,277,279,280,530,534,550,551,3233,9160,32768,32770,32978,32993,34126,34128,34486,34490,34503,34504,34664,34668,34676,34677,34690,34694,34698,34699,35188,35192,35208,35209,35218,35222,35226,36177,36183,36187,36191,36192,36236,36242,36248,36249,40280,40281,40292,40296,40300,40301,40498,40502,40510,40511,40514,40515,40532,40536,40540,45130,45138,45142,45146,45147,45153,45157,45161,45162,45164,45165,45321,45325,45331,52114,52775,52777,52801,98306,98514,163842,164050,229378,229586,294914,295122,819202,819410,851713,851968,851971,851983,851984,854312,867850,868027,868028") && 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"), "14,1,32770,32823,98306,98359,163842,163895,196634,196636,218843,219582,223064,223122,223123") == "732e6c698e6c8c31954b257be388c9033d9fcf88" || 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"), "14,1,32770,32823,98306,98359,163842,163895,196634,196636,218843,219582,223064,223122,223123") && 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"), "122,1,37,570,576,593,594,596,597,712,716,720,721,15286,15287,30968,30969,32380,32381,32768,32770,32782,32797,35901,35902,39012,39014,39017,39018,39030,39031,39032,39033,39045,39046,39062,39065,39514,39515,39886,39887,41372,41373,41463,41465,41467,41468,41470,41471,41473,41474,41476,41477,41479,41480,41482,41483,41485,41486,41488,41489,41491,41492,41494,41495,41497,41498,41517,41518,41523,41524,41543,41544,41559,41560,41564,41565,41581,41582,41587,41588,41606,41607,41620,41621,41625,41626,41643,41644,41649,41650,41669,41670,41684,41685,41687,41688,41690,41691,41693,41694,41696,41697,41699,41700,41702,41703,41705,41706,41708,41709,41711,41712,41714,41716,42452,42456,42472,52706,52867,53709,53735,53736") == "e03d1fdb1d7366dc1fc0b93facf73ac6e57f57f5" || 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"), "122,1,37,570,576,593,594,596,597,712,716,720,721,15286,15287,30968,30969,32380,32381,32768,32770,32782,32797,35901,35902,39012,39014,39017,39018,39030,39031,39032,39033,39045,39046,39062,39065,39514,39515,39886,39887,41372,41373,41463,41465,41467,41468,41470,41471,41473,41474,41476,41477,41479,41480,41482,41483,41485,41486,41488,41489,41491,41492,41494,41495,41497,41498,41517,41518,41523,41524,41543,41544,41559,41560,41564,41565,41581,41582,41587,41588,41606,41607,41620,41621,41625,41626,41643,41644,41649,41650,41669,41670,41684,41685,41687,41688,41690,41691,41693,41694,41696,41697,41699,41700,41702,41703,41705,41706,41708,41709,41711,41712,41714,41716,42452,42456,42472,52706,52867,53709,53735,53736") && 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:c13c1e8bb2b7c511c7e2397db1a340c2e841b830",
                "EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/boot:67108864:b1867186fc0ed1c307f7060b0eb0965fd1e6b238");
show_progress(0.600000, 600);

# --- Start patching dynamic partitions ---


# 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.");

# 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.");

# --- 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:60503296:9376a9bde940234fb6ce50db70db8b9b6a97b208",
                "EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba",
                package_extract_file("patch/md1img.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/md1img:60474384:4df690fd564631462fba95b086e8cded78c796ba");
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();
