View Source BitcoinLib.Script.Opcodes.Stack.TwoSwap (BitcoinLib v0.4.7)

Based on https://en.bitcoin.it/wiki/Script

Word OP_2SWAP Opcode 114 Hex 0x72 Input x1 x2 x3 x4 Output x3 x4 x1 x2 Swaps the top two pairs of items.

Link to this section Summary

Functions

Returns <<0x72>>

Swaps the top two pairs of items.

v()

Returns 0x72

Link to this section Types

@type t() :: BitcoinLib.Script.Opcodes.Stack.TwoSwap

Link to this section Functions

Returns <<0x72>>

examples

Examples

iex> BitcoinLib.Script.Opcodes.Stack.TwoSwap.encode()
<<0x72>>
@spec execute(t(), list()) :: {:ok, list()} | {:error, binary()}

Swaps the top two pairs of items.

examples

Examples

iex> stack = [1, 2, 3, 4, 5]
...> %BitcoinLib.Script.Opcodes.Stack.TwoSwap{}
...> |> BitcoinLib.Script.Opcodes.Stack.TwoSwap.execute(stack)
{:ok, [3, 4, 1, 2, 5]}
@spec v() :: 114

Returns 0x72

examples

Examples

iex> BitcoinLib.Script.Opcodes.Stack.TwoSwap.v()
0x72