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Contents
module Exonum
class MessageT
attr_accessor :protocol_version
attr_accessor :message_id
attr_accessor :service_id
attr_accessor :head
attr_accessor :body
attr_accessor :signature
def initialize protocol_version, message_id, service_id, body
self.protocol_version = protocol_version
self.message_id = message_id
self.service_id = service_id
self.head = StructT.new([
{ name: 'network_id', type: UInt8T },
{ name: 'protocol_version', type: UInt8T },
{ name: 'message_id', type: UInt16T },
{ name: 'service_id', type: UInt16T },
{ name: 'payload', type: UInt32T }
])
self.body = body
end
def serialize data
buffer = SparseArray.new
head_data = {
network_id: 0,
protocol_version: self.protocol_version,
message_id: self.message_id,
service_id: self.service_id,
payload: 0 # placeholder, real value will be inserted later
}
head.serialize head_data, buffer, 0
body.serialize data, buffer, head.size, 0, true
UInt32T.serialize buffer.length + SignatureT.size, buffer, 6
buffer.serialize
end
def sign secret, data
raise "Expecting 64 bytes key in hex" unless secret.is_a?(String) and secret.length == 128
key = Ed25519::SigningKey.new [secret[0..63]].pack 'H*'
buffer = serialize(data).pack('c*')
key.sign(buffer).unpack('H*').first
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems