/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:90
      throw ex;
            ^
Assertion failed: !"sizeof lock obj", at: posix-lock.c,119,get_lock_object at Error
    at jsStackTrace (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:1165:13)
    at stackTrace (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:1182:22)
    at ___assert_fail (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:5568:210)
    at _get_lock_object (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:187371:3)
    at __gpgrt_lock_lock (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:187282:8)
    at _gpgrt_lock_lock (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:187218:8)
    at _lock_pool2655 (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:182211:8)
    at _initialize (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:182166:2)
    at __gcry_rngcsprng_initialize (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:181782:3)
    at __gcry_random_initialize (/home/marcello/wallet/wallet_button/emscripten/hello_world/fancy.js:121435:5)