def test_donation_address(setup_donations, amount):
wallets = make_wallets(1,
wallet_structures=[[1, 1, 1, 0, 0]],
mean_amt=0.5)
wallet = wallets[0]['wallet']
jm_single().bc_interface.sync_wallet(wallet)
#make a rdp from a simple privkey
rdp_priv = "\x01" * 32
reusable_donation_pubkey = binascii.hexlify(
secp256k1.PrivateKey(privkey=rdp_priv, raw=True,
ctx=btc.ctx).pubkey.serialize())
dest_addr, sign_k = donation_address(reusable_donation_pubkey)
print dest_addr
jm_single().bc_interface.rpc('importaddress', [dest_addr, '', False])
ins_full = wallet.unspent
total = sum(x['value'] for x in ins_full.values())
ins = ins_full.keys()
output_addr = wallet.get_new_addr(1, 1)
fee_est = 10000
outs = [{
'value': amount,
'address': dest_addr
}, {
'value': total - amount - fee_est,
'address': output_addr
}]
tx = btc.mktx(ins, outs)
de_tx = btc.deserialize(tx)
for index, ins in enumerate(de_tx['ins']):
utxo = ins['outpoint']['hash'] + ':' + str(ins['outpoint']['index'])
addr = ins_full[utxo]['address']
priv = wallet.get_key_from_addr(addr)
priv = binascii.unhexlify(priv)
usenonce = binascii.unhexlify(sign_k) if index == 0 else None
if index == 0:
log.debug("Applying rdp to input: " + str(ins))
tx = btc.sign(tx, index, priv, usenonce=usenonce)
#pushtx returns False on any error
push_succeed = jm_single().bc_interface.pushtx(tx)
if push_succeed:
log.debug(btc.txhash(tx))
else:
assert False
#Role of receiver: regenerate the destination private key,
#and address, from the nonce of the first input; check it has
#received the coins.
detx = btc.deserialize(tx)
first_utxo_script = detx['ins'][0]['script']
sig, pub = btc.deserialize_script(first_utxo_script)
log.debug(sig)
sig = binascii.unhexlify(sig)
kGlen = ord(sig[3])
kG = sig[4:4 + kGlen]
log.debug(binascii.hexlify(kG))
if kG[0] == "\x00":
kG = kG[1:]
#H(rdp private key * K) + rdp should be ==> dest addr
#Open issue: re-introduce recovery without ECC shenanigans
#Just cheat by trying both signs for pubkey
coerced_kG_1 = "02" + binascii.hexlify(kG)
coerced_kG_2 = "03" + binascii.hexlify(kG)
for coerc in [coerced_kG_1, coerced_kG_2]:
c = btc.sha256(btc.multiply(binascii.hexlify(rdp_priv), coerc, True))
pub_check = btc.add_pubkeys(
[reusable_donation_pubkey,
btc.privtopub(c + '01', True)], True)
addr_check = btc.pubtoaddr(pub_check, get_p2pk_vbyte())
log.debug("Found checked address: " + addr_check)
if addr_check == dest_addr:
time.sleep(3)
received = jm_single().bc_interface.get_received_by_addr(
[dest_addr], None)['data'][0]['balance']
assert received == amount
return
assert False
def coinjoin_address(self):
if self.my_cj_addr:
return self.my_cj_addr
else:
addr, self.sign_k = donation_address()
return addr
def test_donation_address(setup_donations, amount):
wallets = make_wallets(1, wallet_structures=[[1,1,1,0,0]],
mean_amt=0.5)
wallet = wallets[0]['wallet']
jm_single().bc_interface.sync_wallet(wallet)
#make a rdp from a simple privkey
rdp_priv = "\x01"*32
reusable_donation_pubkey = binascii.hexlify(secp256k1.PrivateKey(
privkey=rdp_priv, raw=True, ctx=btc.ctx).pubkey.serialize())
dest_addr, sign_k = donation_address(reusable_donation_pubkey)
print dest_addr
jm_single().bc_interface.rpc('importaddress',
[dest_addr, '', False])
ins_full = wallet.unspent
total = sum(x['value'] for x in ins_full.values())
ins = ins_full.keys()
output_addr = wallet.get_new_addr(1, 1)
fee_est = 10000
outs = [{'value': amount,
'address': dest_addr}, {'value': total - amount - fee_est,
'address': output_addr}]
tx = btc.mktx(ins, outs)
de_tx = btc.deserialize(tx)
for index, ins in enumerate(de_tx['ins']):
utxo = ins['outpoint']['hash'] + ':' + str(ins['outpoint']['index'])
addr = ins_full[utxo]['address']
priv = wallet.get_key_from_addr(addr)
priv = binascii.unhexlify(priv)
usenonce = binascii.unhexlify(sign_k) if index == 0 else None
if index == 0:
log.debug("Applying rdp to input: " + str(ins))
tx = btc.sign(tx, index, priv, usenonce=usenonce)
#pushtx returns False on any error
push_succeed = jm_single().bc_interface.pushtx(tx)
if push_succeed:
log.debug(btc.txhash(tx))
else:
assert False
#Role of receiver: regenerate the destination private key,
#and address, from the nonce of the first input; check it has
#received the coins.
detx = btc.deserialize(tx)
first_utxo_script = detx['ins'][0]['script']
sig, pub = btc.deserialize_script(first_utxo_script)
log.debug(sig)
sig = binascii.unhexlify(sig)
kGlen = ord(sig[3])
kG = sig[4:4+kGlen]
log.debug(binascii.hexlify(kG))
if kG[0] == "\x00":
kG = kG[1:]
#H(rdp private key * K) + rdp should be ==> dest addr
#Open issue: re-introduce recovery without ECC shenanigans
#Just cheat by trying both signs for pubkey
coerced_kG_1 = "02" + binascii.hexlify(kG)
coerced_kG_2 = "03" + binascii.hexlify(kG)
for coerc in [coerced_kG_1, coerced_kG_2]:
c = btc.sha256(btc.multiply(binascii.hexlify(rdp_priv), coerc, True))
pub_check = btc.add_pubkeys([reusable_donation_pubkey,
btc.privtopub(c+'01', True)], True)
addr_check = btc.pubtoaddr(pub_check, get_p2pk_vbyte())
log.debug("Found checked address: " + addr_check)
if addr_check == dest_addr:
time.sleep(3)
received = jm_single().bc_interface.get_received_by_addr(
[dest_addr], None)['data'][0]['balance']
assert received == amount
return
assert False
def coinjoin_address(self):
if self.my_cj_addr:
return self.my_cj_addr
else:
addr, self.sign_k = donation_address()
return addr