Function extractTapscript

extractTapscript(
witness: Uint8Array<ArrayBufferLike>[],
): { controlBlock: Uint8Array; script: Uint8Array } | undefined
Extract {script, controlBlock} from a taproot script-path witness stack, ignoring any annex (last item starting 0x50 when >1 items, per BIP-341). Returns undefined for key-path spends (single-element stack).
Parameters
- witness: Uint8Array<ArrayBufferLike>[]
Returns { controlBlock: Uint8Array; script: Uint8Array } | undefined
- Defined in taproot.ts:136