LibNexa

Calculates the block hash given a serialized header. Note that by convention hashes are displayed in byte-reverse order (as if a little-endian number was being displayed). This return value is not reversed. (hash.reversed().toHex() == "hex header from explorer") -> true

Given an array of items, creates a bloom filter and returns it serialized. Typical items are addresses (just the raw 20 bytes), transaction hashes, and outpoints

Decodes a private key provided in Satoshi's original fnormat

This function calculates the BIP44 key from the specified path. BIP44 requires that purpose, coinType and account are "hardened". This function will automatically harden those parameters if you pass unhardened values. Therefore this function cannot be used for generalized (non-BIP44) child key derivation.

Given a private key, return the corresponding (secp256k1) public key -- that is the privKey*G where G is the group generator

Returns the work -- that is the expected number of hashes to find a solution -- given the difficulty expressed in Bitcoin's "bits" notation

Calculates the RIPEMD160 of the SHA256 of data. Result is 20 bytes

Returns the double sha256 of data. Result is 32 bytes

Returns the minimum amount of native coins (finest unit) that must be in every UTXO for the passed blockchain

Returns the sha256 of data. Result is 32 bytes

Create an ECDSA signature for the passed transaction

Create a Schnorr signature for the passed transaction

Sign a message using the same algorithm as the original bitcoin wallet's signmessage functionality

Create a Schnorr signature for the passed transaction

Verify a message using the same algorithm as the original bitcoin wallet's signmessage functionality