def donation_address(tx, wallet): from bitcoin.main import multiply, G, deterministic_generate_k, add_pubkeys reusable_donation_pubkey = ('02be838257fbfddabaea03afbb9f16e852' '9dfe2de921260a5c46036d97b5eacf2a') privkey = wallet.get_key_from_addr(wallet.get_new_addr(0, 0)) msghash = btc.bin_txhash(tx, btc.SIGHASH_ALL) # generate unpredictable k global sign_k sign_k = deterministic_generate_k(msghash, privkey) c = btc.sha256(multiply(reusable_donation_pubkey, sign_k)) sender_pubkey = add_pubkeys(reusable_donation_pubkey, multiply(G, c)) sender_address = btc.pubtoaddr(sender_pubkey, get_p2pk_vbyte()) log.debug('sending coins to ' + sender_address) return privkey, sender_address
def donation_address(tx, wallet): from bitcoin.main import multiply, G, deterministic_generate_k, add_pubkeys reusable_donation_pubkey = ('02be838257fbfddabaea03afbb9f16e852' '9dfe2de921260a5c46036d97b5eacf2a') privkey = wallet.get_key_from_addr(wallet.get_new_addr(0,0)) msghash = btc.bin_txhash(tx, btc.SIGHASH_ALL) # generate unpredictable k global sign_k sign_k = deterministic_generate_k(msghash, privkey) c = btc.sha256(multiply(reusable_donation_pubkey, sign_k)) sender_pubkey = add_pubkeys( reusable_donation_pubkey, multiply( G, c)) sender_address = btc.pubtoaddr(sender_pubkey, get_p2pk_vbyte()) log.debug('sending coins to ' + sender_address) return privkey, sender_address
def donation_address(cjtx): from bitcoin.main import multiply, G, deterministic_generate_k, add_pubkeys reusable_donation_pubkey = ('02be838257fbfddabaea03afbb9f16e852' '9dfe2de921260a5c46036d97b5eacf2a') donation_utxo_data = cjtx.input_utxos.iteritems().next() global donation_utxo donation_utxo = donation_utxo_data[0] privkey = cjtx.wallet.get_key_from_addr(donation_utxo_data[1]['address']) # tx without our inputs and outputs tx = btc.mktx(cjtx.utxo_tx, cjtx.outputs) msghash = btc.bin_txhash(tx, btc.SIGHASH_ALL) # generate unpredictable k global sign_k sign_k = deterministic_generate_k(msghash, privkey) c = btc.sha256(multiply(reusable_donation_pubkey, sign_k)) sender_pubkey = add_pubkeys(reusable_donation_pubkey, multiply(G, c)) sender_address = btc.pubtoaddr(sender_pubkey, get_p2pk_vbyte()) log.debug('sending coins to ' + sender_address) return sender_address
def donation_address(cjtx): from bitcoin.main import multiply, G, deterministic_generate_k, add_pubkeys reusable_donation_pubkey = ('02be838257fbfddabaea03afbb9f16e852' '9dfe2de921260a5c46036d97b5eacf2a') donation_utxo_data = cjtx.input_utxos.iteritems().next() global donation_utxo donation_utxo = donation_utxo_data[0] privkey = cjtx.wallet.get_key_from_addr(donation_utxo_data[1]['address']) # tx without our inputs and outputs tx = btc.mktx(cjtx.utxo_tx, cjtx.outputs) msghash = btc.bin_txhash(tx, btc.SIGHASH_ALL) # generate unpredictable k global sign_k sign_k = deterministic_generate_k(msghash, privkey) c = btc.sha256(multiply(reusable_donation_pubkey, sign_k)) sender_pubkey = add_pubkeys( reusable_donation_pubkey, multiply( G, c)) sender_address = btc.pubtoaddr(sender_pubkey, get_p2pk_vbyte()) log.debug('sending coins to ' + sender_address) return sender_address
def uncover_pay_pubkey_receiver(scan_privkey, spend_pubkey, ephem_pubkey): shared_secret = shared_secret_receiver(ephem_pubkey, scan_privkey) return main.add_pubkeys(spend_pubkey, main.privtopub(shared_secret))