From 38ed16934f241bf0ff72470463b1edeb640c8477 Mon Sep 17 00:00:00 2001 From: Pavol Rusnak Date: Fri, 28 Mar 2014 21:34:15 +0100 Subject: [PATCH] use bitcore for tx api --- cmd.py | 4 +- tests/common.py | 4 +- tests/test_msg_simplesigntx.py | 6 +-- trezorlib/tx_api.py | 86 ++++++++++++---------------------- 4 files changed, 37 insertions(+), 63 deletions(-) diff --git a/cmd.py b/cmd.py index bca3257..e9eb172 100755 --- a/cmd.py +++ b/cmd.py @@ -6,7 +6,7 @@ import json import base64 from trezorlib.client import TrezorClientDebug -from trezorlib.tx_api import TXAPIBlockchain +from trezorlib.tx_api import TXAPIBitcoin from trezorlib.protobuf_json import pb2json def parse_args(commands): @@ -324,7 +324,7 @@ def main(): transport = get_transport(args.transport, args.path) client = TrezorClientDebug(transport) - client.set_tx_api(TXAPIBlockchain()) + client.set_tx_api(TXAPIBitcoin()) cmds = Commands(client) res = args.func(cmds, args) diff --git a/tests/common.py b/tests/common.py index 6694268..c2b2dd2 100644 --- a/tests/common.py +++ b/tests/common.py @@ -2,7 +2,7 @@ import unittest import config from trezorlib.client import TrezorDebugClient -from trezorlib.tx_api import TXAPIBlockchain +from trezorlib.tx_api import TXAPIBitcoin class TrezorTest(unittest.TestCase): def setUp(self): @@ -10,7 +10,7 @@ class TrezorTest(unittest.TestCase): self.transport = config.TRANSPORT(*config.TRANSPORT_ARGS, **config.TRANSPORT_KWARGS) self.client = TrezorDebugClient(self.transport) self.client.set_debuglink(self.debug_transport) - self.client.set_tx_api(TXAPIBlockchain()) + self.client.set_tx_api(TXAPIBitcoin()) # 1 2 3 4 5 6 7 8 9 10 11 12 self.mnemonic12 = 'alcohol woman abuse must during monitor noble actual mixed trade anger aisle' diff --git a/tests/test_msg_simplesigntx.py b/tests/test_msg_simplesigntx.py index 5f90a7e..9ad1014 100644 --- a/tests/test_msg_simplesigntx.py +++ b/tests/test_msg_simplesigntx.py @@ -8,7 +8,7 @@ import binascii import trezorlib.messages_pb2 as proto import trezorlib.types_pb2 as proto_types from trezorlib.client import CallException -from trezorlib.tx_api import TXAPITestnetFake +from trezorlib.tx_api import TXAPITestnet class TestMsgSimplesigntx(common.TrezorTest): @@ -61,7 +61,7 @@ class TestMsgSimplesigntx(common.TrezorTest): ) with self.client: - self.client.set_tx_api(TXAPITestnetFake()) + self.client.set_tx_api(TXAPITestnet()) msg = self.client._prepare_simple_sign_tx('Testnet', [inp1, ], [out1, out2]) self.client.set_expected_responses([proto.ButtonRequest(code=proto_types.ButtonRequest_ConfirmOutput), # proto.ButtonRequest(code=proto_types.ButtonRequest_ConfirmOutput), # don't confirm change @@ -93,7 +93,7 @@ class TestMsgSimplesigntx(common.TrezorTest): ) with self.client: - self.client.set_tx_api(TXAPITestnetFake()) + self.client.set_tx_api(TXAPITestnet()) msg = self.client._prepare_simple_sign_tx('Testnet', [inp1, ], [out1, out2]) self.client.set_expected_responses([proto.ButtonRequest(code=proto_types.ButtonRequest_ConfirmOutput), # proto.ButtonRequest(code=proto_types.ButtonRequest_ConfirmOutput), # don't confirm change diff --git a/trezorlib/tx_api.py b/trezorlib/tx_api.py index f89ff8e..77c2af7 100644 --- a/trezorlib/tx_api.py +++ b/trezorlib/tx_api.py @@ -12,65 +12,39 @@ except: import types_pb2 as proto_types -class TXAPIBlockchain(object): - def _raw_tx(self, txhash): - # Download tx data from blockchain.info - url = 'http://blockchain.info/rawtx/%s?scripts=true' % txhash - print "Downloading", url - f = urllib2.urlopen(url) - return json.load(f) +def bitcore_tx(url): + f = urllib2.urlopen(url) + data = json.load(f) + + t = proto_types.TransactionType() + t.version = data['version'] + t.lock_time = data['locktime'] + + for vin in data['vin']: + i = t.inputs.add() + i.prev_hash = binascii.unhexlify(vin['txid']) + i.prev_index = vin['vout'] + asm = [ binascii.unhexlify(x) for x in vin['scriptSig']['asm'].split(' ') ] + i.script_sig = chr(len(asm[0])) + asm[0] + chr(len(asm[1])) + asm[1] # TODO: should be op_push(x) instead of chr(len(x)) + + for vout in data['vout']: + o = t.outputs.add() + o.amount = int(vout['value'] * 100000000) + asm = vout['scriptPubKey']['asm'].split(' ') # we suppose it's OP_DUP OP_HASH160 pubkey OP_EQUALVERIFY OP_CHECKSIG + o.script_pubkey = binascii.unhexlify('76a914' + asm[2] + '88ac') + + return t + +class TXAPIBitcoin(object): @filecache(MONTH) def get_tx(self, txhash): - # Build protobuf transaction structure from blockchain.info - d = self._raw_tx(txhash) - t = proto_types.TransactionType() + url = 'http://live.bitcore.io/api/tx/%s' % txhash + return bitcore_tx(url) - for inp in d['inputs']: - di = self._raw_tx(inp['prev_out']['tx_index']) - i = t.inputs.add() - i.prev_hash = binascii.unhexlify(di['hash']) - i.prev_index = inp['prev_out']['n'] - i.script_sig = binascii.unhexlify(inp['script']) +class TXAPITestnet(object): - for output in d['out']: - o = t.outputs.add() - o.amount = output['value'] - o.script_pubkey = binascii.unhexlify(output['script']) - - t.version = 1 - t.lock_time = 0 - return t - -class TXAPITestnetFake(object): + @filecache(MONTH) def get_tx(self, txhash): - if txhash != '6f90f3c7cbec2258b0971056ef3fe34128dbde30daa9c0639a898f9977299d54': - raise Exception("Unexpected hash") - - t = proto_types.TransactionType() - - i = t.inputs.add() - i.prev_hash = binascii.unhexlify('ee336e79153d51f4f3e45278f1f77ab29fd5bb135dce467282e2aff22cb9c570') - i.prev_index = 1 - i.script_sig = binascii.unhexlify('483045022066c418874dbe5628296700382d727ce1734928796068c26271472df09dccf1a20221009dec59d19f9d73db381fcd35c0fff757ad73e54ef59157b0d7c57e6739a092f00121033fef08c603943dc7d25f4ce65771762143b1cd8678343d660a1a76b9d1d3ced7') - - i = t.inputs.add() - i.prev_hash = binascii.unhexlify('2fe4d8af2b44faccc10dd5a6578c923491d2d21269a1dfe8c83f492a30fb8f9f') - i.prev_index = 1 - i.script_sig = binascii.unhexlify('47304402206fbb8e14be706b8557a2280d2a2a75c0a65c4f7936d90d510f0971c93f41f74402201b79c8c4e4ac4c944913611633c230193558296e70a36269b7fc3a80efa27d120121030cb5be79bdc36a4ff4443dbac43068cc43d638ea06ff2fa1b8dab389e39aefc7') - - o = t.outputs.add() - o.amount = 403850989 - o.script_pubkey = binascii.unhexlify('76a914f5a05c2664b40d3116b1c5086c9ba38ed15b742e88ac') - - o = t.outputs.add() - o.amount = 1000000000 - o.script_pubkey = binascii.unhexlify('76a91424a56db43cf6f2b02e838ea493f95d8d6047423188ac') - - t.version = 1 - t.lock_time = 0 - return t - -if __name__ == '__main__': - api = TXAPIBlockchain() - print api.get_tx('b9f382b8dfc34accc05491712a1ad8f7f075a02056dc4821d1f60702fb3fdb2f') + url = 'http://test.bitcore.io/api/tx/%s' % txhash + return bitcore_tx(url)