def main(): # always remember to setup the network setup('testnet') # # This script creates a P2SH address containing a P2PK script and sends # some funds to it # # create transaction input from tx id of UTXO (contained 0.1 tBTC) txin = TxInput( '76464c2b9e2af4d63ef38a77964b3b77e629dddefc5cb9eb1a3645b1608b790f', 0) # address we are spending from from_addr = P2pkhAddress('n4bkvTyU1dVdzsrhWBqBw8fEMbHjJvtmJR') # secret key of address that we are trying to spent sk = PrivateKey('cTALNpTpRbbxTCJ2A5Vq88UxT44w1PE2cYqiB3n4hRvzyCev1Wwo') # # create transaction output using P2SH scriptPubKey (locking script) # (the recipient will give us the final address but for now we create it # for demonstration purposes) # # secret key corresponding to the pubkey needed for the P2SH (P2PK) transaction p2pk_sk = PrivateKey( 'cRvyLwCPLU88jsyj94L7iJjQX5C2f8koG4G2gevN4BeSGcEvfKe9') p2pk_pk = p2pk_sk.get_public_key().to_hex() redeem_script = Script([p2pk_pk, 'OP_CHECKSIG']) txout = TxOutput(to_satoshis(0.09), redeem_script.to_p2sh_script_pub_key()) # no change address - the remaining 0.01 tBTC will go to miners) # create transaction from inputs/outputs -- default locktime is used tx = Transaction([txin], [txout]) # print raw transaction print("\nRaw unsigned transaction:\n" + tx.serialize()) # use the private key corresponding to the address that contains the # UTXO we are trying to spend to create the signature for the txin sig = sk.sign_input(tx, 0, from_addr.to_script_pub_key()) #print(sig) # get public key as hex pk = sk.get_public_key() pk = pk.to_hex() #print (pk) # set the scriptSig (unlocking script) txin.script_sig = Script([sig, pk]) signed_tx = tx.serialize() # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + signed_tx) print("\nTxId:", tx.get_txid())
def test_signed_low_s_SIGNONE_tx_1_input_2_outputs(self): tx = Transaction([self.txin], [self.txout, self.change_low_s_txout]) sig = self.sk.sign_input( tx, 0, Script(['OP_DUP', 'OP_HASH160', self.from_addr.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG']), SIGHASH_NONE) pk = self.sk.get_public_key().to_hex() self.txin.script_sig = Script([sig, pk]) # check correct raw tx self.assertEqual(tx.serialize(), self.core_tx_signed_low_s_SIGNONE_result) # check correct calculation of txid self.assertEqual(tx.get_txid(), self.core_tx_signed_low_s_SIGNONE_txid)
def main(): # always remember to setup the network setup('testnet') # the key that corresponds to the P2WPKH address priv = PrivateKey("cVdte9ei2xsVjmZSPtyucG43YZgNkmKTqhwiUA8M4Fc3LdPJxPmZ") pub = priv.get_public_key() fromAddress = pub.get_segwit_address() print(fromAddress.to_string()) # amount is needed to sign the segwit input fromAddressAmount = to_satoshis(0.01) # UTXO of fromAddress txid = '13d2d30eca974e8fa5da11b9608fa36905a22215e8df895e767fc903889367ff' vout = 0 toAddress = P2pkhAddress('mrrKUpJnAjvQntPgz2Z4kkyr1gbtHmQv28') # create transaction input from tx id of UTXO txin = TxInput(txid, vout) # the script code required for signing for p2wpkh is the same as p2pkh script_code = Script([ 'OP_DUP', 'OP_HASH160', pub.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ]) # create transaction output txOut = TxOutput(to_satoshis(0.009), toAddress.to_script_pub_key()) # create transaction without change output - if at least a single input is # segwit we need to set has_segwit=True tx = Transaction([txin], [txOut], has_segwit=True) print("\nRaw transaction:\n" + tx.serialize()) sig = priv.sign_segwit_input(tx, 0, script_code, fromAddressAmount) tx.witnesses.append(Script([sig, pub.to_hex()])) # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + tx.serialize()) print("\nTxId:", tx.get_txid())
def main(): # always remember to setup the network setup('testnet') # # This script spends from a P2SH address containing a P2PK script # # create transaction input from tx id of UTXO (contained 0.1 tBTC) txin = TxInput( '7db363d5a7fabb64ccce154e906588f1936f34481223ea8c1f2c935b0a0c945b', 0) # secret key needed to spend P2PK that is wrapped by P2SH p2pk_sk = PrivateKey( 'cRvyLwCPLU88jsyj94L7iJjQX5C2f8koG4G2gevN4BeSGcEvfKe9') p2pk_pk = p2pk_sk.get_public_key().to_hex() # create the redeem script - needed to sign the transaction redeem_script = Script([p2pk_pk, 'OP_CHECKSIG']) to_addr = P2pkhAddress('n4bkvTyU1dVdzsrhWBqBw8fEMbHjJvtmJR') txout = TxOutput(to_satoshis(0.09), to_addr.to_script_pub_key()) # no change address - the remaining 0.01 tBTC will go to miners) # create transaction from inputs/outputs -- default locktime is used tx = Transaction([txin], [txout]) # print raw transaction print("\nRaw unsigned transaction:\n" + tx.serialize()) # use the private key corresponding to the address that contains the # UTXO we are trying to spend to create the signature for the txin - # note that the redeem script is passed to replace the scriptSig sig = p2pk_sk.sign_input(tx, 0, redeem_script) #print(sig) # set the scriptSig (unlocking script) txin.script_sig = Script([sig, redeem_script.to_hex()]) signed_tx = tx.serialize() # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + signed_tx) print("\nTxId:", tx.get_txid())
def main(): # always remember to setup the network setup('testnet') priv0 = PrivateKey("cN1XE3ESGgdvr4fWsB7L3BcqXncUauF8Fo8zzv4Sm6WrkiGrsxrG") pub = priv0.get_public_key() fromAddress = pub.get_segwit_address() priv1 = PrivateKey("cN1XE3ESGgdvr4fWsB7L3BcqXncUauF8Fo8zzv4Sm6WrkiGrsxrG") # P2SH Script: OP_M <Public key 1> <Public key 2> ... OP_N OP_CHECKMULTISIG p2sh_redeem_script = Script(['OP_1', priv1.get_public_key().to_hex(), 'OP_1', 'OP_CHECKMULTISIG']) toAddress = P2wshAddress.from_script(p2sh_redeem_script) # set values txid = 'd222d91e2da368ac38e84aa615c557e4caeacce02aa5dbca10d840fd460fc938' vout = 0 amount = to_satoshis(0.01764912) # create transaction input from tx id of UTXO txin = TxInput(txid, vout) redeem_script1 = Script( ['OP_DUP', 'OP_HASH160', priv0.get_public_key().to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG']) # create transaction output txOut1 = TxOutput(to_satoshis(0.0001), toAddress.to_script_pub_key()) txOut2 = TxOutput(to_satoshis(0.01744912), fromAddress.to_script_pub_key()) # create transaction tx = Transaction([txin], [txOut1, txOut2], has_segwit=True) print("\nRaw transaction:\n" + tx.serialize()) sig1 = priv0.sign_segwit_input(tx, 0, redeem_script1, amount) tx.witnesses.append(Script([sig1, pub.to_hex()])) # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + tx.serialize()) print("\nTxId:", tx.get_txid())
def main(): # always remember to setup the network setup('testnet') priv1 = PrivateKey("cN1XE3ESGgdvr4fWsB7L3BcqXncUauF8Fo8zzv4Sm6WrkiGrsxrG") priv2 = PrivateKey("cR8AkcbL2pgBswrHp28AftEznHPPLA86HiTog8MpNCibxwrsUcZ4") p2wsh_witness_script = Script([ 'OP_1', priv1.get_public_key().to_hex(), priv2.get_public_key().to_hex(), 'OP_2', 'OP_CHECKMULTISIG' ]) fromAddress = P2wshAddress.from_script(p2wsh_witness_script) toAddress = P2wpkhAddress.from_address( "tltc1qedur7y052upuzd7wzh60d2f86szgpuspmml8ce") # set values txid = '2042195c40a92353f2ffe30cd0df8d177698560e81807e8bf9174a9c0e98e6c2' vout = 0 amount = to_satoshis(0.01) # create transaction input from tx id of UTXO txin = TxInput(txid, vout) txOut1 = TxOutput(to_satoshis(0.0001), toAddress.to_script_pub_key()) txOut2 = TxOutput(to_satoshis(0.0098), fromAddress.to_script_pub_key()) tx = Transaction([txin], [txOut1, txOut2], has_segwit=True) sig1 = priv1.sign_segwit_input(tx, 0, p2wsh_witness_script, amount) tx.witnesses.append(Script(['OP_0', sig1, p2wsh_witness_script.to_hex()])) # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + tx.serialize()) print("\nTxId:", tx.get_txid())
def main(): # always remember to setup the network setup('testnet') # create transaction input from tx id of UTXO (contained 0.39 tBTC) # 0.1 tBTC txin = TxInput( '76464c2b9e2af4d63ef38a77964b3b77e629dddefc5cb9eb1a3645b1608b790f', 0) # 0.29 tBTC txin2 = TxInput( '76464c2b9e2af4d63ef38a77964b3b77e629dddefc5cb9eb1a3645b1608b790f', 1) # create transaction output using P2PKH scriptPubKey (locking script) addr = P2pkhAddress('myPAE9HwPeKHh8FjKwBNBaHnemApo3dw6e') txout = TxOutput( to_satoshis(0.3), Script([ 'OP_DUP', 'OP_HASH160', addr.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ])) # create another output to get the change - remaining 0.01 is tx fees change_addr = P2pkhAddress('mmYNBho9BWQB2dSniP1NJvnPoj5EVWw89w') change_txout = TxOutput( to_satoshis(0.08), Script([ 'OP_DUP', 'OP_HASH160', change_addr.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ])) # create transaction from inputs/outputs -- default locktime is used tx = Transaction([txin, txin2], [txout, change_txout]) # print raw transaction print("\nRaw unsigned transaction:\n" + tx.serialize()) # # use the private keys corresponding to the addresses that contains the # UTXOs we are trying to spend to create the signatures # sk = PrivateKey('cTALNpTpRbbxTCJ2A5Vq88UxT44w1PE2cYqiB3n4hRvzyCev1Wwo') sk2 = PrivateKey('cVf3kGh6552jU2rLaKwXTKq5APHPoZqCP4GQzQirWGHFoHQ9rEVt') # we could have derived the addresses from the secret keys from_addr = P2pkhAddress('n4bkvTyU1dVdzsrhWBqBw8fEMbHjJvtmJR') from_addr2 = P2pkhAddress('mmYNBho9BWQB2dSniP1NJvnPoj5EVWw89w') # sign the first input sig = sk.sign_input( tx, 0, Script([ 'OP_DUP', 'OP_HASH160', from_addr.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ]), SIGHASH_ALL | SIGHASH_ANYONECANPAY) #print(sig) # sign the second input sig2 = sk2.sign_input( tx, 1, Script([ 'OP_DUP', 'OP_HASH160', from_addr2.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ]), SIGHASH_SINGLE | SIGHASH_ANYONECANPAY) #print(sig2) # get public key as hex pk = sk.get_public_key() pk = pk.to_hex() #print (pk) # get public key as hex pk2 = sk2.get_public_key() pk2 = pk2.to_hex() # set the scriptSig (unlocking script) txin.script_sig = Script([sig, pk]) txin2.script_sig = Script([sig2, pk2]) signed_tx = tx.serialize() # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + signed_tx) print("\nTxId:", tx.get_txid())
def main(): # always remember to setup the network setup('testnet') # # This script spends from a P2SH address containing a CSV+P2PKH script as # created from examples/create_p2sh_csv_p2pkh.py # # We assume that some 11.1 tBTC have been send to that address and that we know # the txid and the specific UTXO index (or vout). # # set values relative_blocks = 20 txid = '76c102821b916a625bd3f0c3c6e35d5c308b7c23e78b8866b06a3a466041db0a' vout = 0 seq = Sequence(TYPE_RELATIVE_TIMELOCK, relative_blocks) # create transaction input from tx id of UTXO (contained 11.1 tBTC) txin = TxInput(txid, vout, sequence=seq.for_input_sequence()) # secret key needed to spend P2PKH that is wrapped by P2SH p2pkh_sk = PrivateKey( 'cRvyLwCPLU88jsyj94L7iJjQX5C2f8koG4G2gevN4BeSGcEvfKe9') p2pkh_pk = p2pkh_sk.get_public_key().to_hex() p2pkh_addr = p2pkh_sk.get_public_key().get_address() # create the redeem script - needed to sign the transaction redeem_script = Script([ seq.for_script(), 'OP_CHECKSEQUENCEVERIFY', 'OP_DROP', 'OP_DUP', 'OP_HASH160', p2pkh_addr.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG' ]) # to confirm that address is the same as the one that the funds were sent #addr = P2shAddress.from_script(redeem_script) #print(addr.to_string()) # send/spend to any random address to_addr = P2pkhAddress('n4bkvTyU1dVdzsrhWBqBw8fEMbHjJvtmJR') txout = TxOutput(to_satoshis(11), to_addr.to_script_pub_key()) # no change address - the remaining 0.1 tBTC will go to miners) # create transaction from inputs/outputs tx = Transaction([txin], [txout]) # print raw transaction print("\nRaw unsigned transaction:\n" + tx.serialize()) # use the private key corresponding to the address that contains the # UTXO we are trying to spend to create the signature for the txin - # note that the redeem script is passed to replace the scriptSig sig = p2pkh_sk.sign_input(tx, 0, redeem_script) #print(sig) # set the scriptSig (unlocking script) -- unlock the P2PKH (sig, pk) plus # the redeem script, since it is a P2SH txin.script_sig = Script([sig, p2pkh_pk, redeem_script.to_hex()]) signed_tx = tx.serialize() # print raw signed transaction ready to be broadcasted print("\nRaw signed transaction:\n" + signed_tx) print("\nTxId:", tx.get_txid())