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# frozen_string_literal: true
require 'securerandom'
module Faker
class Blockchain
class Tezos < Base
class << self
# @private
PREFIXES = {
tz1: [6, 161, 159],
KT1: [2, 90, 121],
edpk: [13, 15, 37, 217],
edsk: [13, 15, 58, 7],
edsig: [9, 245, 205, 134, 18],
B: [1, 52],
o: [5, 116]
}.freeze
##
# Produces a random Tezos account address
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.account
# #=> "tz1eUsgK6aj752Fbxwk5sAoEFvSDnPjZ4qvk"
#
# @faker.version 1.9.2
def account
encode_tz(:tz1, 20)
end
##
# Produces a random Tezos contract
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.contract
# #=> "KT1MroqeP15nnitB4CnNfkqHYa2NErhPPLWF"
#
# @faker.version 1.9.2
def contract
encode_tz(:KT1, 20)
end
##
# Produces a random Tezos operation
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.operation
# #=> "onygWYXJX3xNstFLv9PcCrhQdCkENC795xwSinmTEc1jsDN4VDa"
#
# @faker.version 1.9.2
def operation
encode_tz(:o, 32)
end
##
# Produces a random Tezos block
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.block
# #=> "BMbhs2rkY1dvAkAyRytvPsjFQ2RiPrBhYkxvWpY65dzkdSuw58a"
#
# @faker.version 1.9.4
def block
encode_tz(:B, 32)
end
##
# Produces a random Tezos signature
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.signature
# #=> "edsigu165B7VFf3Dpw2QABVzEtCxJY2gsNBNcE3Ti7rRxtDUjqTFRpg67EdAQmY6YWPE5tKJDMnSTJDFu65gic8uLjbW2YwGvAZ"
#
# @faker.version 1.9.2
def signature
encode_tz(:edsig, 64)
end
##
# Produces a random Tezos public key
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.public_key
# #=> "edpkuib9x8QXRc5nWwHUg7U1dXsVmaUrUNU5sX9pVEEvwbMVdfMCeq"
#
# @faker.version 2.15.2
def public_key
encode_tz(:edpk, 32)
end
##
# Produces a random Tezos public key
#
# @return [String]
#
# @example
# Faker::Blockchain::Tezos.secret_key
# #=> "edsk3HZCAGEGpzQPnQUwQeFY4ESanFhQCgLpKriQw8GHyhKCrjHawv"
#
# @faker.version 2.15.2
def secret_key
encode_tz(:edsk, 32)
end
protected
##
# @param prefix [Symbol]
# @param payload_size [Integer] The size of the payload
#
# @return [String]
def encode_tz(prefix, payload_size)
prefix = PREFIXES.fetch(prefix)
packed = prefix.map(&:chr).join + Faker::Config.random.bytes(payload_size)
checksum = OpenSSL::Digest::SHA256.digest(OpenSSL::Digest::SHA256.digest(packed))[0..3]
Faker::Base58.encode(packed + checksum)
end
end
end
end
end
|
