Type Alias Expansion

The corresponding bitcoinjs-lib Payment for the provided expression, if applicable.

The expanded descriptor expression. See ExpansionMap for a detailed explanation.

The extracted miniscript from the expression, if any.

A map of key expressions in the descriptor to their corresponding expanded keys. See ExpansionMap for a detailed explanation.

A boolean indicating whether the descriptor uses SegWit.

A boolean indicating whether the descriptor uses Taproot.

The expanded miniscript, if any. It corresponds to the expandedExpression without the top-level script expression.

The taproot tree expression, if any. Only defined for tr(KEY, TREE). Example: {pk(02aa...),{pk(03bb...),pk(02cc...)}}.

Parsed taproot leaf tree for tr(KEY, TREE), if any.

Shape:

• Branch nodes: { left, right }
• Leaf nodes: { expression: string }

Example:

{
  left: { expression: 'pk(02aa...)' },
  right: {
    left: { expression: 'and_v(v:pk(03bb...),older(12960))' },
    right: { expression: 'pk(02cc...)' }
  }
}
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Compiled taproot leaf metadata tree for tr(KEY, TREE), if any.

Same branch/leaf tree shape as tapTree, but each leaf is enriched with:

• expandedExpression: descriptor-level expanded leaf expression
• optional expandedMiniscript: miniscript-expanded leaf
• expansionMap: resolved keys for that leaf (@0, @1, ...)
• tapScript: compiled tapscript bytes
• version: leaf version (typically tapscript 0xc0)

Note: @i placeholders are scoped per leaf, since each leaf is expanded and satisfied independently.

Example:

{
  left: {
    expression: 'pk(02aa...)',
    expandedExpression: 'pk(@0)',
    expandedMiniscript: 'pk(@0)',
    expansionMap: {
      '@0': { pubkey: Uint8Array(32), ... }
    },
    tapScript: Uint8Array(...),
    version: 0xc0
  },
  right: {
    left: {
      expression: 'and_v(v:pk(03bb...),older(12960))',
      expandedExpression: 'and_v(v:pk(@0),older(12960))',
      expansionMap: { '@0': { pubkey: Uint8Array(32), ... } },
      tapScript: Uint8Array(...),
      version: 0xc0
    },
    right: {
      expression: 'pk(02cc...)',
      expandedExpression: 'pk(@0)',
      expansionMap: { '@0': { pubkey: Uint8Array(32), ... } },
      tapScript: Uint8Array(...),
      version: 0xc0
    }
  }
}
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The redeem script for the descriptor, if applicable.

The witness script for the descriptor, if applicable.

Whether the descriptor is a ranged-descriptor.

This is the preferred or authoritative representation of an output descriptor expression. It removes the checksum and, if it is a ranged-descriptor, it particularizes it to its index.