def segwit_multisign(tx, i, script, pk, amount, hashcode=SIGHASH_ALL, separator_index=None):
wscript = segwit_strip_script_separator(script, index=separator_index)
signing_tx = segwit_signature_form(tx, i, wscript, amount, hashcode=hashcode)
rawsig = ecdsa_raw_sign(hashlib.sha256(hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), pk)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
return sig
def segwit_sign(tx,
i,
priv,
amount,
hashcode=SIGHASH_ALL,
script=None,
separator_index=None):
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if not isinstance(tx, dict) and ((not is_python2 and isinstance(re, bytes))
or not re.match('^[0-9a-fA-F]*$', tx)):
return binascii.unhexlify(sign(binascii.hexlify(tx), i, priv))
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = privkey_to_pubkey(priv)
address = pubkey_to_address(pub)
wscript = mk_pubkey_script(address) if not script else script
stripped_script = segwit_strip_script_separator(wscript, separator_index)
signing_tx = segwit_signature_form(tx,
i,
stripped_script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub if not script else script]
return serialize(txobj)
def make_tx_signatures(txs_to_sign, privkey, pubkey):
signatures = []
public = []
for tx_to_sign in txs_to_sign:
sig = der_encode_sig(
*ecdsa_raw_sign(tx_to_sign.rstrip(' \t\r\n\0'), privkey))
signatures.append(sig)
public.append(pubkey)
return signatures, public
def bech32_multisign(tx, i, priv, amount, script, hashcode=SIGHASH_ALL):
from bitcoin import segwit_signature_form, ecdsa_raw_sign, der_encode_sig
i = int(i)
if len(priv) <= 33:
priv = binascii.hexlify(priv)
signing_tx = segwit_signature_form(tx,
i,
script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
return sig
def segwit_sign(tx, i, priv, amount, hashcode=SIGHASH_ALL, script=None, separator_index=None):
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if not isinstance(tx, dict) and ((not is_python2 and isinstance(re, bytes)) or not re.match('^[0-9a-fA-F]*$', tx)):
return binascii.unhexlify(sign(binascii.hexlify(tx), i, priv))
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = privkey_to_pubkey(priv)
address = pubkey_to_address(pub)
wscript = mk_pubkey_script(address) if not script else script
stripped_script = segwit_strip_script_separator(wscript, separator_index)
signing_tx = segwit_signature_form(tx, i, stripped_script, amount, hashcode=hashcode)
rawsig = ecdsa_raw_sign(hashlib.sha256(hashlib.sha256(binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub if not script else script]
return serialize(txobj)
def segwit_multisign(tx,
i,
script,
pk,
amount,
hashcode=SIGHASH_ALL,
separator_index=None):
wscript = segwit_strip_script_separator(script, index=separator_index)
signing_tx = segwit_signature_form(tx,
i,
wscript,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), pk)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
return sig
def bech32_sign(tx, i, priv, amount, script=None, hashcode=SIGHASH_ALL):
from bitcoin import deserialize, segwit_signature_form, ecdsa_raw_sign, der_encode_sig, serialize, compress
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = compress(privkey_to_pubkey(priv))
script = script or ('76a914' + hash160(binascii.unhexlify(pub)) + '88ac')
signing_tx = segwit_signature_form(tx,
i,
script,
amount,
hashcode=hashcode)
rawsig = ecdsa_raw_sign(
hashlib.sha256(
hashlib.sha256(
binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig) + encode(hashcode, 16, 2)
txobj['ins'][i]['txinwitness'] = [sig, pub]
return serialize(txobj)
def sign_donation_tx(tx, i, priv): k = sign_k hashcode = btc.SIGHASH_ALL i = int(i) if len(priv) <= 33: priv = btc.safe_hexlify(priv) pub = btc.privkey_to_pubkey(priv) address = btc.pubkey_to_address(pub) signing_tx = btc.signature_form(tx, i, btc.mk_pubkey_script(address), hashcode) msghash = btc.bin_txhash(signing_tx, hashcode) z = btc.hash_to_int(msghash) #k = deterministic_generate_k(msghash, priv) r, y = btc.fast_multiply(btc.G, k) s = btc.inv(k, btc.N) * (z + r*btc.decode_privkey(priv)) % btc.N rawsig = 27+(y % 2), r, s sig = btc.der_encode_sig(*rawsig)+btc.encode(hashcode, 16, 2) #sig = ecdsa_tx_sign(signing_tx, priv, hashcode) txobj = btc.deserialize(tx) txobj["ins"][i]["script"] = btc.serialize_script([sig, pub]) return btc.serialize(txobj)
def sign_donation_tx(tx, i, priv):
k = sign_k
hashcode = btc.SIGHASH_ALL
i = int(i)
if len(priv) <= 33:
priv = btc.safe_hexlify(priv)
pub = btc.privkey_to_pubkey(priv)
address = btc.pubkey_to_address(pub)
signing_tx = btc.signature_form(tx, i, btc.mk_pubkey_script(address),
hashcode)
msghash = btc.bin_txhash(signing_tx, hashcode)
z = btc.hash_to_int(msghash)
#k = deterministic_generate_k(msghash, priv)
r, y = btc.fast_multiply(btc.G, k)
s = btc.inv(k, btc.N) * (z + r * btc.decode_privkey(priv)) % btc.N
rawsig = 27 + (y % 2), r, s
sig = btc.der_encode_sig(*rawsig) + btc.encode(hashcode, 16, 2)
#sig = ecdsa_tx_sign(signing_tx, priv, hashcode)
txobj = btc.deserialize(tx)
txobj["ins"][i]["script"] = btc.serialize_script([sig, pub])
return btc.serialize(txobj)