merkle_patricia_tree

merkle_patricia_tree v0.2.8 MerklePatriciaTree.Trie.Helper

Functions to help with manipulating or working with tries.

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Functions

get_binary(l)

Returns the binary of a given a list of nibbles

get_nibbles(k)

Returns the nibbles of a given binary as a list

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get_binary(l)

get_binary([integer()]) :: binary()

Returns the binary of a given a list of nibbles

Examples

iex> MerklePatriciaTree.Trie.Helper.get_binary([0x01, 0x0e, 0x02, 0x0f]) <<0x1e, 0x2f>>

iex> MerklePatriciaTree.Trie.Helper.get_binary([1, 2, 3]) <<0x1::4, 0x02::4, 0x03::4>>

iex> MerklePatriciaTree.Trie.Helper.get_binary([0, 1, 0, 2, 0, 3]) <<0x01, 0x02, 0x03>>

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get_nibbles(k)

get_nibbles(binary()) :: [integer()]

Returns the nibbles of a given binary as a list

Examples

iex> MerklePatriciaTree.Trie.Helper.get_nibbles(<<0x1e, 0x2f>>) [0x01, 0x0e, 0x02, 0x0f]

iex> MerklePatriciaTree.Trie.Helper.get_nibbles(<<0x1::4, 0x02::4, 0x03::4>>) [1, 2, 3]

iex> MerklePatriciaTree.Trie.Helper.get_nibbles(<<0x01, 0x02, 0x03>>) [0, 1, 0, 2, 0, 3]