Contents

module EthereumBip44
  module Ethereum
    def get_ethereum_address(index)
      node = @wallet_node.node_for_path("M/0/#{index}")

      # from bitcoin public key to ethereum public key
      group = ECDSA::Group::Secp256k1
      public_key = ECDSA::Format::PointOctetString.decode(node.public_key.to_bytes, group) # a point
      ethereum_public = public_key.x.to_s(16) + public_key.y.to_s(16)

      # from ethereum public key to ethereum address
      bytes = EthereumBip44::Utils.hex_to_bin(ethereum_public)
      address_bytes = Digest::SHA3.new(256).digest(bytes)[-20..-1]
      address = EthereumBip44::Utils.bin_to_hex(address_bytes)
      EthereumBip44::Utils.prefix_hex(address)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
ethereum_bip44-0.2.3	lib/ethereum_bip44/ethereum.rb