fix is_complete: count number of valid signatures
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@ -18,7 +18,7 @@
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import hashlib, base64, ecdsa, re
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from util import print_error
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def rev_hex(s):
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return s.decode('hex')[::-1].encode('hex')
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@ -605,13 +605,10 @@ class Transaction:
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# list of already existing signatures
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signatures = txin.get("signatures",[])
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found = False
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complete = True
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print_error("signatures",signatures)
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# check if we have a key corresponding to the redeem script
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for pubkey in redeem_pubkeys:
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public_key = ecdsa.VerifyingKey.from_string(pubkey[2:].decode('hex'), curve = SECP256k1)
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for s in signatures:
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try:
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public_key.verify_digest( s.decode('hex')[:-1], Hash( tx_for_sig.decode('hex') ), sigdecode = ecdsa.util.sigdecode_der)
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@ -619,6 +616,7 @@ class Transaction:
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except ecdsa.keys.BadSignatureError:
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continue
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else:
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# check if we have a key corresponding to the redeem script
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if pubkey in keypairs.keys():
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# add signature
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sec = keypairs[pubkey]
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@ -630,16 +628,11 @@ class Transaction:
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sig = private_key.sign_digest( Hash( tx_for_sig.decode('hex') ), sigencode = ecdsa.util.sigencode_der )
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assert public_key.verify_digest( sig, Hash( tx_for_sig.decode('hex') ), sigdecode = ecdsa.util.sigdecode_der)
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signatures.append( sig.encode('hex') )
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found = True
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else:
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complete = False
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if not found:
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raise BaseException("public key not found", keypairs.keys(), redeem_pubkeys)
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# for p2sh, pubkeysig is a tuple (may be incomplete)
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self.inputs[i]["signatures"] = signatures
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self.is_complete = complete
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print_error("signatures",signatures)
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self.is_complete = len(signatures) == num
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else:
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sec = private_keys[txin['address']]
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@ -240,7 +240,7 @@ def parse_redeemScript(bytes):
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match = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_3, opcodes.OP_CHECKMULTISIG ]
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if match_decoded(dec, match):
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pubkeys = [ dec[1][1].encode('hex'), dec[2][1].encode('hex'), dec[3][1].encode('hex') ]
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return 3, pubkeys
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return 2, pubkeys
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