getprop("ro.product.device") == "px30_evb" || abort("E3004: This package is for \"px30_evb\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/093518:userdebug/test-keys");
ui_print("Target: rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/155956:userdebug/test-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/093518:userdebug/test-keys" ||
    getprop("ro.build.fingerprint") == "rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/155956:userdebug/test-keys" ||
    abort("E3001: Package expects build fingerprint of rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/093518:userdebug/test-keys or rockchip/px30_evb/px30_evb:8.1.0/OPM8.190605.003/155956:userdebug/test-keys; this device has " + getprop("ro.build.fingerprint") + ".");
apply_patch_check("EMMC:/dev/block/by-name/boot:22267904:9eb93dd7030769a6e71a322abbd23a4e7dfb950e:22267904:311bb83e6a5280a16ecff9153598fff5e5c6ac3f") || abort("E3005: \"EMMC:/dev/block/by-name/boot:22267904:9eb93dd7030769a6e71a322abbd23a4e7dfb950e:22267904:311bb83e6a5280a16ecff9153598fff5e5c6ac3f\" has unexpected contents.");
apply_patch_space(71745536) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1("/dev/block/by-name/system", "98,1,203,214,382,6262,6270,7852,7856,7864,7867,7889,7892,7906,7909,7926,7929,11983,11986,11996,12001,12109,12112,32768,32770,41717,41718,75633,75634,94341,94344,95896,95898,96825,96828,97117,97119,98304,98306,101587,101590,101856,101857,101859,101862,102161,102166,102181,102184,102213,102214,102218,102220,102231,102236,102866,102869,102924,102927,102938,102941,102952,102955,103051,103054,103192,103195,103266,103269,103278,103280,103289,103290,104293,104296,105537,105540,105650,105653,105665,105668,105737,105740,106298,131073,139264,163842,164030,168037,168090,229378,229566,294914,295102,375253,387072,390122,390129,393216") == "2858af62cf6030ecbe036fde0d201cca55196f55" || block_image_verify("/dev/block/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat")) then
ui_print("Verified system image...");
else
check_first_block("/dev/block/by-name/system");
ifelse (block_image_recover("/dev/block/by-name/system", "98,1,203,214,382,6262,6270,7852,7856,7864,7867,7889,7892,7906,7909,7926,7929,11983,11986,11996,12001,12109,12112,32768,32770,41717,41718,75633,75634,94341,94344,95896,95898,96825,96828,97117,97119,98304,98306,101587,101590,101856,101857,101859,101862,102161,102166,102181,102184,102213,102214,102218,102220,102231,102236,102866,102869,102924,102927,102938,102941,102952,102955,103051,103054,103192,103195,103266,103269,103278,103280,103289,103290,104293,104296,105537,105540,105650,105653,105665,105668,105737,105740,106298,131073,139264,163842,164030,168037,168090,229378,229566,294914,295102,375253,387072,390122,390129,393216") && block_image_verify("/dev/block/by-name/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("/dev/block/by-name/vendor", "66,1,53,55,96,3079,3087,3126,3127,3404,3405,3406,3407,6947,6948,7213,7219,7301,7311,7598,7603,7839,7872,7978,7979,9182,9183,14090,14091,16417,16418,16464,16465,17550,17669,17675,17685,17694,17695,18171,18203,18282,18283,20672,20679,20754,20764,21353,21358,21572,21601,21691,21692,22077,22079,26407,27253,31166,32770,32817,32818,36913,66242,96760,97524,97531,98304") == "c031f416408bfaf619f2b4542ea91b152687adff" || block_image_verify("/dev/block/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat")) then
ui_print("Verified vendor image...");
else
check_first_block("/dev/block/by-name/vendor");
ifelse (block_image_recover("/dev/block/by-name/vendor", "66,1,53,55,96,3079,3087,3126,3127,3404,3405,3406,3407,6947,6948,7213,7219,7301,7311,7598,7603,7839,7872,7978,7979,9182,9183,14090,14091,16417,16418,16464,16465,17550,17669,17675,17685,17694,17695,18171,18203,18282,18283,20672,20679,20754,20764,21353,21358,21572,21601,21691,21692,22077,22079,26407,27253,31166,32770,32817,32818,36913,66242,96760,97524,97531,98304") && block_image_verify("/dev/block/by-name/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("/dev/block/by-name/oem", "26,1,36,37,39,2053,2060,4968,4969,5394,7801,7807,7816,8078,8083,8704,8705,8707,8739,32768,32770,32801,32802,64504,65014,65021,65536") == "3d3e7e9da83478e6be61f749f2ea53c6d2dca20e" || block_image_verify("/dev/block/by-name/oem", package_extract_file("oem.transfer.list"), "oem.new.dat", "oem.patch.dat")) then
ui_print("Verified oem image...");
else
check_first_block("/dev/block/by-name/oem");
ifelse (block_image_recover("/dev/block/by-name/oem", "26,1,36,37,39,2053,2060,4968,4969,5394,7801,7807,7816,8078,8083,8704,8705,8707,8739,32768,32770,32801,32802,64504,65014,65021,65536") && block_image_verify("/dev/block/by-name/oem", package_extract_file("oem.transfer.list"), "oem.new.dat", "oem.patch.dat"), ui_print("oem recovered successfully."), abort("E2004: oem partition fails to recover"));
endif;

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

ui_print("Patching system image after verification.");
show_progress(0.800000, 0);
block_image_update("/dev/block/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");
ui_print("Patching vendor image after verification.");
show_progress(0.100000, 0);
block_image_update("/dev/block/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");
ui_print("Patching oem image after verification.");
show_progress(0.100000, 0);
block_image_update("/dev/block/by-name/oem", package_extract_file("oem.transfer.list"), "oem.new.dat", "oem.patch.dat") ||
  abort("E2001: Failed to update oem image.");
ui_print("Patching boot image...");
show_progress(0.100000, 10);
apply_patch("EMMC:/dev/block/by-name/boot:22267904:9eb93dd7030769a6e71a322abbd23a4e7dfb950e:22267904:311bb83e6a5280a16ecff9153598fff5e5c6ac3f",
            "-", 311bb83e6a5280a16ecff9153598fff5e5c6ac3f, 22267904,
            9eb93dd7030769a6e71a322abbd23a4e7dfb950e,
            package_extract_file("patch/boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/boot:22267904:9eb93dd7030769a6e71a322abbd23a4e7dfb950e:22267904:311bb83e6a5280a16ecff9153598fff5e5c6ac3f");
ui_print("Writing uboot loader img...");
package_extract_file("uboot.img", "/dev/block/by-name/uboot");
set_progress(1.000000);
