secp256k1
secp256k1.cr
a native library implementing secp256k1 for the crystal language
installation
add the secp256k1
library to your shard.yml
dependencies:
secp256k1:
github: q9f/secp256k1.cr
version: "~> 0.1.1"
usage
# import secp256k1
require "secp256k1"
# generate a keypair
private_key = Secp256k1.new_private_key
public_key = Secp256k1.public_key_from_private private_key
# display the compressed public key
puts Secp256k1.public_key_compressed_prefix public_key
contribute
create a pull request, and make sure tests and linter passes.
this pure crystal implementation is based on the python implementation wobine/blackboard101 which is also used as reference to write tests against.
it's a complete rewrite of the abandoned packetzero/bitcoinutils for educational purposes.