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generate both compressed and uncompressed keys when considering keys to sign multisig txs with

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Jude Nelson
2017-02-13 15:43:43 -05:00
parent 7e5f420c05
commit f845a009b4
1 changed files with 11 additions and 4 deletions
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15
blockstack_client/scripts.py
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@@ -296,8 +296,17 @@ def tx_sign_multisig(tx, idx, redeem_script, private_keys, hashcode=bitcoin.SIGH
TODO: move to virtualchain
"""
# sign in the right order
privs = {virtualchain.BitcoinPrivateKey(str(pk)).public_key().to_hex(): str(pk) for pk in private_keys}
# sign in the right order. map all possible public keys to their private key
privs = {}
for pk in private_keys:
pubk = keylib.ECPrivateKey(pk).public_key().to_hex()
compressed_pubkey = keylib.key_formatting.compress(pubk)
uncompressed_pubkey = keylib.key_formatting.decompress(pubk)
privs[compressed_pubkey] = pk
privs[uncompressed_pubkey] = pk
m, public_keys = virtualchain.parse_multisig_redeemscript(str(redeem_script))
used_keys, sigs = [], []
@@ -313,8 +322,6 @@ def tx_sign_multisig(tx, idx, redeem_script, private_keys, hashcode=bitcoin.SIGH
pk_str = privs[public_key]
used_keys.append(public_key)
pk_hex = virtualchain.BitcoinPrivateKey(str(pk_str)).to_hex()
sig = tx_make_input_signature(tx, idx, redeem_script, pk_str, hashcode)
sigs.append(sig)