arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-15 20:19:23 +00:00
Code Issues Releases Wiki Activity

core/wallet: fix segwit multisig comment

Browse Source
This commit is contained in:
Roman Zeyde 2019-09-02 12:41:58 +03:00
parent 41b76f4f31
commit cb04f5774b
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
core/src/apps/wallet/sign_tx/scripts.py
View File

@ -179,7 +179,7 @@ def witness_p2wsh(
redeem_script_length = output_script_multisig_length(pubkeys, multisig.m)
# length of the result
total_length = 1 + 1 # number of items, version
total_length = 1 + 1 # number of items, OP_FALSE
for s in signatures:
total_length += 1 + len(s) + 1 # length, signature, sighash
total_length += 1 + redeem_script_length # length, script
@ -187,7 +187,10 @@ def witness_p2wsh(
w = empty_bytearray(total_length)
write_varint(w, num_of_witness_items)
write_varint(w, 0) # version 0 witness program
# Starts with OP_FALSE because of an old OP_CHECKMULTISIG bug, which
# consumes one additional item on the stack:
# https://bitcoin.org/en/developer-guide#standard-transactions
write_varint(w, 0)
for s in signatures:
append_signature(w, s, sighash) # size of the witness included