def create_transaction(prevtx, n, sig, value):
tx = CTransaction()
assert (n < len(prevtx.vout))
tx.vin.append(CTxIn(COutPoint(prevtx.sha256, n), sig, 0xffffffff))
tx.vout.append(CTxOut(value, ""))
tx.calc_sha256()
return tx
def create_coinbase(heightAdjust=0):
global counter
coinbase = CTransaction()
coinbase.vin.append(
CTxIn(COutPoint(0, 0xffffffff), CScript([counter + heightAdjust,
OP_0]), 0xffffffff))
counter += 1
coinbaseoutput = CTxOut()
coinbaseoutput.nValue = int(5 * 100000000)
halvings = int((counter + heightAdjust) / 150) # regtest
coinbaseoutput.nValue >>= halvings
coinbaseoutput.scriptPubKey = ""
coinbase.vout = [coinbaseoutput]
if halvings == 0: # regtest
froutput = CTxOut()
froutput.nValue = coinbaseoutput.nValue / 5
# regtest
fraddr = bytearray([
0x67, 0x08, 0xe6, 0x67, 0x0d, 0xb0, 0xb9, 0x50, 0xda, 0xc6, 0x80,
0x31, 0x02, 0x5c, 0xc5, 0xb6, 0x32, 0x13, 0xa4, 0x91
])
froutput.scriptPubKey = CScript([OP_HASH160, fraddr, OP_EQUAL])
coinbaseoutput.nValue -= froutput.nValue
coinbase.vout = [coinbaseoutput, froutput]
coinbase.calc_sha256()
return coinbase
def create_coinbase(heightAdjust=0, comm_quota=85):
global counter
coinbase = CTransaction()
coinbase.vin.append(
CTxIn(COutPoint(0, 0xffffffff), CScript([counter + heightAdjust,
OP_0]), 0xffffffff))
counter += 1
coinbaseoutput = CTxOut()
coinbaseoutput.nValue = int(12.5 * 100000000)
halvings = int((counter + heightAdjust) / 2000) # regtest
coinbaseoutput.nValue >>= halvings
coinbaseoutput.scriptPubKey = ""
coinbase.vout = [coinbaseoutput]
if halvings == 0: # regtest
comm_output = CTxOut()
comm_output.nValue = (coinbaseoutput.nValue * comm_quota // 1000)
# regtest
com_addr = bytearray([
0xb6, 0x86, 0x3b, 0x18, 0x2a, 0x52, 0x74, 0x5b, 0xf6, 0xd5, 0xfb,
0x19, 0x01, 0x39, 0xa2, 0xaa, 0x87, 0x6c, 0x08, 0xf5
])
comm_output.scriptPubKey = CScript([OP_HASH160, com_addr, OP_EQUAL])
coinbaseoutput.nValue -= comm_output.nValue
coinbase.vout.append(comm_output)
coinbase.calc_sha256()
return coinbase
def create_coinbase(heightAdjust=0):
global counter
coinbase = CTransaction()
coinbase.vin.append(
CTxIn(COutPoint(0, 0xffffffff),
ser_string(serialize_script_num(counter + heightAdjust)),
0xffffffff))
counter += 1
coinbaseoutput = CTxOut()
coinbaseoutput.nValue = 50 * 100000000
halvings = int((counter + heightAdjust) / 150) # regtest
coinbaseoutput.nValue >>= halvings
coinbaseoutput.scriptPubKey = ""
coinbase.vout = [coinbaseoutput]
coinbase.calc_sha256()
return coinbase
def create_coinbase_h(block_height, halving_interval=2000, heightAdjust=0):
subsidy = int(12.5 * 100000000)
halvings = int((block_height + heightAdjust) //
halving_interval) # 2000 is default for regtest
subsidy >>= halvings
coinbase = CTransaction()
coinbase.vin.append(
CTxIn(COutPoint(0, 0xffffffff),
CScript([block_height + heightAdjust, OP_0]), 0xffffffff))
coinbaseoutput = CTxOut()
coinbaseoutput.nValue = subsidy
coinbaseoutput.scriptPubKey = b""
coinbase.vout.append(coinbaseoutput)
found, supn, secn = get_coinbase_quotas(block_height)
found_out = CTxOut()
found_out.nValue = subsidy * found // 1000
found_out.scriptPubKey = CScript([OP_HASH160, found_addr, OP_EQUAL])
coinbaseoutput.nValue -= found_out.nValue
coinbase.vout.append(found_out)
if supn > 0:
supn_out = CTxOut()
supn_out.nValue = subsidy * supn // 1000
supn_out.scriptPubKey = CScript([OP_HASH160, supn_addr, OP_EQUAL])
coinbaseoutput.nValue -= supn_out.nValue
coinbase.vout.append(supn_out)
if secn > 0:
secn_out = CTxOut()
secn_out.nValue = subsidy * secn // 1000
secn_out.scriptPubKey = CScript([OP_HASH160, secn_addr, OP_EQUAL])
coinbaseoutput.nValue -= secn_out.nValue
coinbase.vout.append(secn_out)
coinbase.calc_sha256()
return coinbase
