BSV.Tokens.TxType (bsv_sdk v1.5.0)

STAS 3.0 v0.1 §8.1 transaction-type (txType) parameter.

Every STAS 3.0 unlocking script carries a 1-byte txType value (slot 18 in the spec §7 witness layout) describing the high-level shape of the spend:

Value	Atom	Operation
0	`:regular`	Regular spend / split / 1-in/1-out
1	`:atomic_swap`	Atomic swap (counterparty trailing parameters apply)
2	`:merge_2`	Merge with 2 pieces
3	`:merge_3`	Merge with 3 pieces
4	`:merge_4`	Merge with 4 pieces
5	`:merge_5`	Merge with 5 pieces
6	`:merge_6`	Merge with 6 pieces
7	`:merge_7`	Merge with 7 pieces

Summary

t()

from_byte(arg1)

Convert a wire-format byte value (0..7) to a txType atom.

to_byte(atom)

Convert a txType atom to its wire-format byte value (0..7).

@type t() ::
  :regular
  | :atomic_swap
  | :merge_2
  | :merge_3
  | :merge_4
  | :merge_5
  | :merge_6
  | :merge_7

@spec from_byte(byte()) :: {:ok, t()} | {:error, :unknown_tx_type}

Convert a wire-format byte value (0..7) to a txType atom.

@spec to_byte(t()) :: byte()

Convert a txType atom to its wire-format byte value (0..7).