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| -rw-r--r-- | bip-0341.mediawiki | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/bip-0341.mediawiki b/bip-0341.mediawiki index 9bc8723..8d2af3c 100644 --- a/bip-0341.mediawiki +++ b/bip-0341.mediawiki @@ -249,7 +249,10 @@ TapTweak = tagged_hash("TapTweak", p + ABCDE) <source lang="python"> def taproot_sign_key(script_tree, internal_seckey, hash_type, bip340_aux_rand): - _, h = taproot_tree_helper(script_tree) + if script_tree is None: + h = bytes() + else: + _, h = taproot_tree_helper(script_tree) output_seckey = taproot_tweak_seckey(internal_seckey, h) sig = schnorr_sign(sighash(hash_type), output_seckey, bip340_aux_rand) if hash_type != 0: |