bitcoin-util
Advanced tools
Utility functions for Bitcoin hashes and targets
npm install bitcoin-util
toHash(hex)Takes a hex string that contains a Bitcoin hash as input, and returns a Bitcoin-protocol-friendly little-endian Buffer. Throws an error if the hex string is not of length 64 (representing a 256-bit hash).
compressTarget(target)Converts the difficulty target target to its compact representation (used in the "bits" field in block headers). target should be a Buffer (little-endian, the zeroes should be at the end). Returns a number.
expandTarget(bits)Converts the compressed target integer bits to its target hash representation. Returns a Buffer.
FAQs
Utility functions for Bitcoin hashes and targets
We found that bitcoin-util demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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