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Add sidechain-manipulation.py script to automate sending/claiming
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Matt Corallo
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commit
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1 changed files with 243 additions and 0 deletions
243
contrib/sidechain-manipulation.py
Executable file
243
contrib/sidechain-manipulation.py
Executable file
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#!/usr/bin/env python2
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import sys, os, traceback
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sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../python-bitcoinrpc"))
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from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
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from decimal import *
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# VARIOUS SETTINGS...
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sidechain_url = "http://user:pass@127.0.0.1:14241"
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bitcoin_url = "http://user:pass@127.0.0.1:18332"
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redeem_script = "512103a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd51ae"
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secondScriptPubKey = "OP_DROP 144 OP_LESSTHANOREQUAL"
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secondScriptPubKeyHash = "9eac001049d5c38ece8996485418421f4a01e2d7"
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#Bitcoin:
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bitcoin_genesis_hash = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
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#Testnet:
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#bitcoin_genesis_hash = "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
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sidechain_tx_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../sidechain-tx")
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contracthashtool_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../contracthashtool/contracthashtool")
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is_testnet = 1
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# CODE THINGS...
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sidechain = AuthServiceProxy(sidechain_url)
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bitcoin = AuthServiceProxy(bitcoin_url)
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testnet_arg = ""
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if is_testnet == 1:
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testnet_arg = "-t"
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inverse_bitcoin_genesis_hash = "".join(reversed([bitcoin_genesis_hash[i:i+2] for i in range(0, len(bitcoin_genesis_hash), 2)]))
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def help():
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print("HELP: %s (generate-one-of-one-multisig (sidechain-wallet|mainchain-wallet))|(send-to-sidechain SIDECHAIN_ADDRESS AMOUNT)|(claim-on-sidechain SIDECHAIN_ADDRESS NONCE SEND_TXID)|(spend-from-claim SIDECHAIN_TX_HASH ONE_OF_ONE_ADDRESS)" % sys.argv[0])
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exit(1)
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class UTXOFinder:
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in_txid = ""
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in_vout = -1
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in_value = -1
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def check_tx(self, tx):
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for vout, output in enumerate(tx["vout"]):
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if output["scriptPubKey"]["type"] == "withdraw":
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if output["value"] >= value:
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self.in_txid = tx["txid"]
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self.in_vout = vout
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txo = sidechain.gettxout(self.in_txid, self.in_vout, True)
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if txo == None:
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continue
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self.in_value = Decimal(txo["value"])
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if self.in_value > self.target_value:
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break
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def __init__(self, value):
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self.target_value = value
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for tx in sidechain.batch_([["getrawtransaction", txhash, 1] for txhash in sidechain.getrawmempool()]):
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self.check_tx(tx)
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if self.in_value > self.target_value:
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break
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for i in range(sidechain.getblockcount() + 1)[::-1]:
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if i == 0:
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# Special-case the genesis txo
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self.in_txid = sidechain.getblock(sidechain.getblockhash(0))["tx"][0]
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self.in_vout = 0
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txo = sidechain.gettxout(self.in_txid, self.in_vout, True)
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if txo == None:
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continue
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self.in_value = Decimal(txo["value"])
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else:
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block = sidechain.getblock(sidechain.getblockhash(i))
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for tx in sidechain.batch_([["getrawtransaction", txhash, 1] for txhash in block["tx"]]):
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self.check_tx(tx)
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if self.in_value > self.target_value:
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break
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if self.in_value > self.target_value:
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break
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assert(self.in_value > self.target_value)
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try:
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if len(sys.argv) < 2:
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help()
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elif sys.argv[1] == "generate-one-of-one-multisig":
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if len(sys.argv) != 3:
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help()
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if sys.argv[2] == "sidechain-wallet":
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address = sidechain.getnewaddress()
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p2sh_res = sidechain.addmultisigaddress(1, [address])
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elif sys.argv[2] == "mainchain-wallet":
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address = bitcoin.getnewaddress()
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p2sh_res = bitcoin.addmultisigaddress(1, [address])
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else:
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help()
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print("One-of-one address: %s" % address)
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print("P2SH address: %s" % p2sh_res)
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elif sys.argv[1] == "send-to-sidechain":
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if len(sys.argv) != 4:
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help()
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cht = os.popen("%s %s -g -r %s -d %s" % (contracthashtool_path, testnet_arg, redeem_script, sys.argv[2]))
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cht_read = cht.read()
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nonce = cht_read.split("\n")[0 + is_testnet][7:]
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full_contract = cht_read.split("\n")[1 + is_testnet][26:]
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send_address = cht_read.split("\n")[3 + is_testnet][40:]
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assert(cht.close() == None)
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if full_contract[0:8] != "50325348":
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print("You must use a P2SH address")
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exit(1)
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print("Sending %s to %s..." % (sys.argv[3], send_address))
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print("(nonce: %s)" % nonce)
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txid = bitcoin.sendtoaddress(send_address, Decimal(sys.argv[3]))
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print("Sent tx with id %s" % txid)
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elif sys.argv[1] == "claim-on-sidechain":
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if len(sys.argv) != 5:
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help()
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raw_bitcoin_tx = bitcoin.getrawtransaction(sys.argv[4], 1)
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if not "confirmations" in raw_bitcoin_tx or raw_bitcoin_tx["confirmations"] <= 10:
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print("Please wait for at least 10 confirmations on the bitcoin transaction first")
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exit(1)
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raw_bitcoin_tx_hex = bitcoin.getrawtransaction(sys.argv[4], 0)
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# Might need to calculate the scriptSig here
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secondScriptSig = "1"
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bitcoin_block = bitcoin.getblock(raw_bitcoin_tx["blockhash"])
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coinbase_txid = bitcoin_block["tx"][0]
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raw_coinbase_tx_hex = bitcoin.getrawtransaction(coinbase_txid, 0)
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spv_proof = bitcoin.gettxoutproof([coinbase_txid, sys.argv[4]])
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cht = os.popen("%s %s -g -r %s -d %s -n %s" % (contracthashtool_path, testnet_arg, redeem_script, sys.argv[2], sys.argv[3]))
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cht_read = cht.read()
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assert(cht.close() == None)
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raw_dest = cht_read.split("\n")[1 + is_testnet][66:]
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full_contract = cht_read.split("\n")[1 + is_testnet][26:]
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send_address = cht_read.split("\n")[3 + is_testnet][40:]
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assert(len(raw_dest) == 40)
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nout = -1
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value = -1
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for vout, output in enumerate(raw_bitcoin_tx["vout"]):
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if output["scriptPubKey"]["type"] == "scripthash" and output["scriptPubKey"]["addresses"][0] == send_address:
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nout = vout
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value = Decimal(output["value"])
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break
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assert(nout != -1)
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#TODO: This is a pretty shitty way to find a lock utxo
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utxo = UTXOFinder(value)
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in_txid = utxo.in_txid
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in_vout = utxo.in_vout
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in_value = utxo.in_value
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print("Redeeming from utxo %s:%.16g (value %.16g, refund %d)" % (in_txid, in_vout, in_value, in_value - value))
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withdrawkeys = 'withdrawkeys:{"contract": "%s", "txoutproof": "%s", "tx": "%s", "nout": %d, "secondScriptPubKey": "%s", "secondScriptSig": "%s", "coinbase": "%s"}' % (full_contract, spv_proof, raw_bitcoin_tx_hex, nout, secondScriptPubKey, secondScriptSig, raw_coinbase_tx_hex)
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out_scriptPubKey = "OP_IF %d 0x20%s %d 0 0x14%s 0x20%s OP_REORGPROOFVERIFY OP_ELSE 144 OP_NOP3 OP_DROP OP_HASH160 0x14%s OP_EQUAL OP_ENDIF" % (bitcoin_block["height"], sys.argv[4], nout, secondScriptPubKeyHash, inverse_bitcoin_genesis_hash, raw_dest)
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relock_scriptPubKey = "0x20%s 0x14%s OP_WITHDRAWPROOFVERIFY" % (inverse_bitcoin_genesis_hash, secondScriptPubKeyHash)
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cht = os.popen('%s -create \'set=%s\' in=%s:%d outscript=%s:"%s" outscript=%s:"%s" withdrawsign' % (sidechain_tx_path, withdrawkeys, in_txid, in_vout, str(value), out_scriptPubKey, str(in_value - value), relock_scriptPubKey))
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res_tx = cht.read().split("\n")[0]
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assert(cht.close() == None)
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txid = sidechain.sendrawtransaction(res_tx)
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print("Success!")
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print("Resulting txid: " + str(txid))
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elif sys.argv[1] == "spend-from-claim":
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#TODO: Maybe make wallets recognize this as theirs?
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if len(sys.argv) != 4:
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help()
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prev_tx = sidechain.getrawtransaction(sys.argv[2], 1)
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prev_out = prev_tx["vout"][0]
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assert(prev_out["scriptPubKey"]["type"] == "withdrawout")
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prev_script = prev_out["scriptPubKey"]["asm"].split(" ")
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assert(prev_script[10] == "OP_NOP3")
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if "confirmations" not in prev_tx or prev_tx["confirmations"] < int(prev_script[9]):
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print("You must wait for at least %s confirmations to claim this output (have %d)" % (prev_script[9], prev_tx["confirmations"]))
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exit(1)
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p2sh_res = sidechain.createmultisig(1, [sys.argv[3]])
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cht = os.popen('%s %s -create in=%s:%d:%s outaddr=%s:"%s"' % (sidechain_tx_path, "-testnet" if is_testnet == 1 else "", sys.argv[2], 0, 0x100000000 - int(prev_script[9]) - 1, str(prev_out["value"]), sidechain.getnewaddress()))
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tx_hex = cht.read().split("\n")[0]
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assert(cht.close() == None)
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tx_hex = sidechain.signrawtransaction(tx_hex, [{"txid": sys.argv[2], "vout": 0, "scriptPubKey": prev_out["scriptPubKey"]["hex"], "redeemScript": p2sh_res["redeemScript"]}], [sidechain.dumpprivkey(sys.argv[3])])
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if tx_hex["complete"] != True:
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print("Got incomplete transaction (signing failed to create spendable transaction):")
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print(tx_hex["hex"])
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else:
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print("Submitting tx to mempool...")
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sidechain.sendrawtransaction(tx_hex["hex"])
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print("Success!")
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elif sys.argv[1] == "send-to-mainchain":
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if len(sys.argv) != 4:
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help()
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p2sh_tx_test = bitcoin.decoderawtransaction(bitcoin.createrawtransaction([], {sys.argv[2]: 0.1}))["vout"][0]["scriptPubKey"]
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if p2sh_tx_test["type"] != "scripthash":
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print("You must use a P2SH address")
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exit(1)
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p2sh_hex = p2sh_tx_test["asm"].split(" ")[1]
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cht = os.popen('%s -create outscript=%s:"0x1850325348%s OP_DROP 0x20%s 0x14%s WITHDRAWPROOFVERIFY"' % (sidechain_tx_path, sys.argv[3], p2sh_hex, inverse_bitcoin_genesis_hash, secondScriptPubKeyHash))
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res_tx = cht.read().split("\n")[0]
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assert(cht.close() == None)
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donation = sidechain.fundrawtransaction(res_tx)["fee"]
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if donation > 0:
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if donation < 550: # Probably dust
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donation = 550
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cht = os.popen('%s -create outscript=%s:"0x1850325348%s OP_DROP 0x20%s 0x14%s WITHDRAWPROOFVERIFY" outscript=%s:"RETURN"' % (sidechain_tx_path, sys.argv[3], p2sh_hex, inverse_bitcoin_genesis_hash, secondScriptPubKeyHash, str(Decimal(donation) / Decimal(100000000))))
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res_tx = cht.read().split("\n")[0]
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assert(cht.close() == None)
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res_tx = sidechain.fundrawtransaction(res_tx)
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fee = res_tx["fee"]
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res_tx = sidechain.signrawtransaction(res_tx["hex"])["hex"]
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print("Sending %s to functionaries for withdraw to %s (fee of %s satoshis)..." % (sys.argv[3], sys.argv[2], str(fee + donation)))
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txid = sidechain.sendrawtransaction(res_tx)
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print("Sent tx with id %s" % txid)
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else:
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help()
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except JSONRPCException as e:
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print(traceback.format_exc())
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print("Got the following error from an RPC Call:")
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print(e.error)
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