matejcik
4 years ago
parent
5a526888cf
commit
325dae890e
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import json
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import os.path
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COINS_JSON = os.path.join(os.path.dirname(__file__), "coins.json")
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def _load_coins_json():
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# Load coins.json to local variables
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# NOTE: coins.json is generated via `make coins_json` command.
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with open(COINS_JSON) as coins_json:
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return json.load(coins_json)
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# exported variables
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__all__ = ["by_name", "slip44"]
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try:
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coins_list = _load_coins_json()
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by_name = {coin["coin_name"]: coin for coin in coins_list}
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except Exception as e:
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raise ImportError("Failed to load coins.json. Check your installation.") from e
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slip44 = {name: coin["slip44"] for name, coin in by_name.items()}
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@ -1,53 +0,0 @@
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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from decimal import Decimal
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from . import messages
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def _json_to_input(vin):
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i = messages.TxInputType()
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if "coinbase" in vin:
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i.prev_hash = b"\0" * 32
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i.prev_index = 0xFFFFFFFF # signed int -1
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i.script_sig = bytes.fromhex(vin["coinbase"])
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i.sequence = vin["sequence"]
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else:
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i.prev_hash = bytes.fromhex(vin["txid"])
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i.prev_index = vin["vout"]
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i.script_sig = bytes.fromhex(vin["scriptSig"]["hex"])
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i.sequence = vin["sequence"]
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return i
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def _json_to_bin_output(vout):
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o = messages.TxOutputBinType()
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o.amount = int(Decimal(vout["value"]) * (10 ** 8))
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o.script_pubkey = bytes.fromhex(vout["scriptPubKey"]["hex"])
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return o
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def json_to_tx(data):
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t = messages.TransactionType()
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t.version = data["version"]
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t.lock_time = data.get("locktime")
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t.inputs = [_json_to_input(vin) for vin in data["vin"]]
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t.bin_outputs = [_json_to_bin_output(vout) for vout in data["vout"]]
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return t
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@ -1,103 +0,0 @@
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import decimal
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import json
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import os
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from trezorlib import coins, tx_api
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CACHE_PATH = os.path.join(os.path.dirname(__file__), "../../tests/txcache")
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TxApiBitcoin = coins.tx_api["Bitcoin"]
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TxApiZencash = coins.tx_api["Horizen"]
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def load_tx_json(coin_name, txhash):
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filename = "insight_{}_tx_{}.json".format(coin_name, txhash)
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with open(os.path.join(CACHE_PATH, filename)) as f:
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return json.load(f, parse_float=decimal.Decimal)
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def test_tx_api_gettx():
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TxApiBitcoin.get_tx(
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"39a29e954977662ab3879c66fb251ef753e0912223a83d1dcb009111d28265e5"
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)
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TxApiBitcoin.get_tx(
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"54aa5680dea781f45ebb536e53dffc526d68c0eb5c00547e323b2c32382dfba3"
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)
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TxApiBitcoin.get_tx(
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"58497a7757224d1ff1941488d23087071103e5bf855f4c1c44e5c8d9d82ca46e"
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)
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TxApiBitcoin.get_tx(
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"6189e3febb5a21cee8b725aa1ef04ffce7e609448446d3a8d6f483c634ef5315"
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)
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TxApiBitcoin.get_tx(
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"a6e2829d089cee47e481b1a753a53081b40738cc87e38f1d9b23ab57d9ad4396"
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)
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TxApiBitcoin.get_tx(
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"c6091adf4c0c23982a35899a6e58ae11e703eacd7954f588ed4b9cdefc4dba52"
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)
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TxApiBitcoin.get_tx(
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"c63e24ed820c5851b60c54613fbc4bcb37df6cd49b4c96143e99580a472f79fb"
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)
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TxApiBitcoin.get_tx(
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"c6be22d34946593bcad1d2b013e12f74159e69574ffea21581dad115572e031c"
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)
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TxApiBitcoin.get_tx(
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"d1d08ea63255af4ad16b098e9885a252632086fa6be53301521d05253ce8a73d"
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)
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TxApiBitcoin.get_tx(
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"d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
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)
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TxApiBitcoin.get_tx(
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"e4bc1ae5e5007a08f2b3926fe11c66612e8f73c6b00c69c7027213b84d259be3"
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)
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def test_tx_api_current_block():
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height = TxApiZencash.current_height()
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assert height > 347041
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def test_tx_api_get_block_hash():
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hash = TxApiZencash.get_block_hash(110000)
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assert (
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hash.hex() == "000000003f5d6ba1385c6cd2d4f836dfc5adf7f98834309ad67e26faef462454"
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)
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def test_tx_api_dash_dip2():
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dash_data = coins.by_name["Dash"]
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def get_tx(txhash):
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data = load_tx_json("dash", txhash)
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return tx_api.json_to_tx(dash_data, data)
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# Test if pre-DIP2 TXs are still working as expected
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tx = get_tx("acb3b7f259429989fc9c51ae4a5e3e3eab0723dceb21577533ac7c4b4ba4db5d")
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assert tx.version == 2 # pre-DIP2
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assert tx.extra_data is None and tx.extra_data_len is None
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# Test if version 3 TX with type=0 is treated as normal TX
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tx = get_tx("5579eaa64b2a0233e7d8d037f5a5afc957cedf48f1c4067e9e33ca6df22ab04f")
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assert tx.version == 3
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assert tx.extra_data is None and tx.extra_data_len is None
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# Test if DIP2 payloads are initialized correctly
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tx = get_tx("15575a1c874bd60a819884e116c42e6791c8283ce1fc3b79f0d18531a61bbb8a")
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assert tx.version == (3 | (5 << 16)) # DIP2 type 1 (ProRegTx)
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assert len(tx.extra_data) == (38 + 1) # real length + varint size
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