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Contents
# Suppose we have the following data structure in a smart contract:
#
# struct B {
# Map<String, String> mymap;
# }
#
# struct A {
# B b;
# int my_int;
# }
#
# struct C {
# List<int> mylist;
# }
#
# A a;
# C c;
#
# and the data belongs to Alice. Then an access to `a.b.mymap` would be translated to an access
# to an entry in key-value store whose key is `<Alice>/a/b/mymap`. In the same way, the access to
# `c.mylist` would need to query `<Alice>/c/mylist`.
#
# So an account stores its data in a directory structure, for example:
# <Alice>/balance: 10
# <Alice>/a/b/mymap: {"Bob" => "abcd", "Carol" => "efgh"}
# <Alice>/a/myint: 20
# <Alice>/c/mylist: [3, 5, 7, 9]
#
# If someone needs to query the map above and find out what value associated with "Bob" is,
# `address` will be set to Alice and `path` will be set to "/a/b/mymap/Bob".
#
# On the other hand, if you want to query only <Alice>/a/*, `address` will be set to Alice and
# `path` will be set to "/a" and use the `get_prefix()` method from statedb
module Libra
class AccessPath
attr_accessor :address
attr_accessor :path
def initialize(address_hex, path)
@address = AccountAddress.new(address_hex)
@path = path
end
def to_proto
Types::AccessPath.new(address: address.addr, path: path)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems