code: func (mw *memoryWrapper) getUint(addr int64) *big.Int {
  	if mw.memory.Len() < int(addr)+32 {
  		// TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go
  		// runtime goes belly up https://github.com/golang/go/issues/15639.
  		log.Warn("Tracer accessed out of bound memory", "available", mw.memory.Len(), "offset", addr, "size", 32)
  		return new(big.Int)
  	}
  	return new(big.Int).SetBytes(mw.memory.GetPtr(addr, 32))
  }
docs: // getUint returns the 32 bytes at the specified address interpreted as a uint.