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derive_bip143_script_code

blvm_protocol::transaction_hash

Function derive_bip143_script_code 

Source 
pub fn derive_bip143_script_code(
    witness_program: &[u8],
    witness_script: Option<&[u8]>,
) -> Option<Vec<u8>>
Expand description

Derive BIP143 scriptCode for SegWit v0 spends.

  • P2WPKH program (OP_0 PUSH_20): P2PKH expansion via derive_bip143_script_code_p2wpkh.
  • P2WSH program (OP_0 PUSH_32): full witness script (last witness stack element).