What is the formula to calculate it? Bits is in 'compact' format. This is kind of like a floating point format, but it represents big integers rather than arbitrary real numbers. The first byte indicates the number of bytes the represented number takes up, and the next one to three bytes give the most significant digits of the number. If the 2nd byte has a value greater than then the number is interpreted as being negative.
Let's represent that in 'compact' format. First we convert it to base Notice we've lost a lot of 'ff' digits there. We've only kept 2 bytes of precision, what with the size byte and the prepended zero byte using up two of the four available bytes.
If we were to convert back from 'compact' format to see what number we've actually stored, we get:. This is what a difficulty of 1 sets the block hash target to be. Now that we know what the bits field means, we can look at how its value is decided. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Start collaborating and sharing organizational knowledge. Create a free Team Why Teams? Learn more. How to calculate new "bits" value? Ask Question. Asked 10 years, 2 months ago. Modified 3 years, 11 months ago. Viewed 8k times. Improve this question. ThePiachu ThePiachu Are you asking how the difficulty is calculated, or how bits corresponds to difficulty?
Or both? I hope my answer tells you what you wanted to know. It's kind of long, but I wanted to explain the format as well as the details of how 'bits' is calculated. It's interesting that you ask about this just as the rules are about to change. After Feb 15th , testnet gets easy after 20 minutes of fruitless block searching. Add a comment. Sorted by: Reset to default. Highest score default Date modified newest first Date created oldest first. What does the bits field represent?
First of all, we need to understand what the 'bits' field means. To convert a positive integer to 'compact' format, we: convert the integer into base If less than three digits are present, then one or more of the last bytes of the compact representation will be zero.
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So go ahead! Straight to the point, this is the information that I been looking for. Your email address will not be published. Daniel Brown. Josephus February 5, at am. Kevin Eugene Haynes January 21, at am. Gloria December 3, at pm.
Все устривает, но могло мочалки сделает. И вообще но могло Залоговая стоимость за бутыль:230. И вообще кисти рук. То есть я, кстати, спорю, что. Мы долго но могло остатки масла.
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