mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-13 19:18:56 +00:00
src/apps/wallet: add support for zcash overwinter
This commit is contained in:
parent
4d1b2f0ca5
commit
dfd02821af
@ -167,7 +167,7 @@ COINS = [
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segwit=False,
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fork_id=None,
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force_bip143=False,
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version_group_id=63210096,
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version_group_id=0x03c48270,
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),
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CoinInfo(
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coin_name='Zcash Testnet',
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@ -182,7 +182,7 @@ COINS = [
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segwit=False,
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fork_id=None,
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force_bip143=False,
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version_group_id=63210096,
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version_group_id=0x03c48270,
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),
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CoinInfo(
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coin_name='Bgold',
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@ -105,7 +105,7 @@ def sanitize_sign_tx(tx: SignTx) -> SignTx:
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tx.inputs_count = tx.inputs_count if tx.inputs_count is not None else 0
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tx.outputs_count = tx.outputs_count if tx.outputs_count is not None else 0
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tx.coin_name = tx.coin_name if tx.coin_name is not None else 'Bitcoin'
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tx.decred_expiry = tx.decred_expiry if tx.decred_expiry is not None else 0
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tx.expiry = tx.expiry if tx.expiry is not None else 0
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tx.overwintered = tx.overwintered if tx.overwintered is not None else False
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return tx
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@ -116,7 +116,7 @@ def sanitize_tx_meta(tx: TransactionType) -> TransactionType:
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tx.inputs_cnt = tx.inputs_cnt if tx.inputs_cnt is not None else 0
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tx.outputs_cnt = tx.outputs_cnt if tx.outputs_cnt is not None else 0
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tx.extra_data_len = tx.extra_data_len if tx.extra_data_len is not None else 0
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tx.decred_expiry = tx.decred_expiry if tx.decred_expiry is not None else 0
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tx.expiry = tx.expiry if tx.expiry is not None else 0
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tx.overwintered = tx.overwintered if tx.overwintered is not None else False
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return tx
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@ -3,6 +3,7 @@ from trezor.messages.SignTx import SignTx
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from trezor.messages import InputScriptType, FailureType
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from trezor.utils import HashWriter
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from apps.common.coininfo import CoinInfo
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from apps.wallet.sign_tx.writers import *
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from apps.wallet.sign_tx.scripts import output_script_p2pkh, output_script_multisig
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from apps.wallet.sign_tx.multisig import multisig_get_pubkeys
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@ -38,10 +39,15 @@ class Bip143:
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def get_outputs_hash(self) -> bytes:
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return get_tx_hash(self.h_outputs, True)
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def preimage_hash(self, tx: SignTx, txi: TxInputType, pubkeyhash: bytes, sighash: int) -> bytes:
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def preimage_hash(self, coin: CoinInfo, tx: SignTx, txi: TxInputType, pubkeyhash: bytes, sighash: int) -> bytes:
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h_preimage = HashWriter(sha256)
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write_uint32(h_preimage, tx.version) # nVersion
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if tx.overwintered:
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write_uint32(h_preimage, tx.version | 0x80000000) # nVersion | fOverwintered
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write_uint32(h_preimage, coin.version_group_id) # nVersionGroupId
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else:
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write_uint32(h_preimage, tx.version) # nVersion
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write_bytes(h_preimage, bytearray(self.get_prevouts_hash())) # hashPrevouts
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write_bytes(h_preimage, bytearray(self.get_sequence_hash())) # hashSequence
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write_bytes_rev(h_preimage, txi.prev_hash) # outpoint
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@ -56,6 +62,8 @@ class Bip143:
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write_bytes(h_preimage, bytearray(self.get_outputs_hash())) # hashOutputs
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write_uint32(h_preimage, tx.lock_time) # nLockTime
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if tx.overwintered:
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write_uint32(h_preimage, tx.expiry) # expiryHeight
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write_uint32(h_preimage, sighash) # nHashType
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return get_tx_hash(h_preimage, True)
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@ -97,7 +97,7 @@ async def check_tx_fee(tx: SignTx, root: bip32.HDNode):
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elif txi.script_type in (InputScriptType.SPENDADDRESS,
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InputScriptType.SPENDMULTISIG):
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if coin.force_bip143:
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if coin.force_bip143 or tx.overwintered:
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if not txi.amount:
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raise SigningError(FailureType.DataError,
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'BIP 143 input without amount')
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@ -107,7 +107,7 @@ async def check_tx_fee(tx: SignTx, root: bip32.HDNode):
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else:
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segwit[i] = False
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total_in += await get_prevtx_output_value(
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tx_req, txi.prev_hash, txi.prev_index)
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coin, tx_req, txi.prev_hash, txi.prev_index)
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else:
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raise SigningError(FailureType.DataError,
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@ -194,12 +194,12 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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w_txi = bytearray_with_cap(
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7 + len(txi_sign.prev_hash) + 4 + len(txi_sign.script_sig) + 4)
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if i_sign == 0: # serializing first input => prepend headers
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write_bytes(w_txi, get_tx_header(tx, True))
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write_bytes(w_txi, get_tx_header(coin, tx, True))
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write_tx_input(w_txi, txi_sign)
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tx_ser.serialized_tx = w_txi
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tx_req.serialized = tx_ser
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elif coin.force_bip143:
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elif coin.force_bip143 or tx.overwintered:
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# STAGE_REQUEST_SEGWIT_INPUT
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txi_sign = await request_tx_input(tx_req, i_sign)
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input_check_wallet_path(txi_sign, wallet_path)
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@ -214,7 +214,7 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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key_sign = node_derive(root, txi_sign.address_n)
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key_sign_pub = key_sign.public_key()
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bip143_hash = bip143.preimage_hash(
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tx, txi_sign, ecdsa_hash_pubkey(key_sign_pub), get_hash_type(coin))
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coin, tx, txi_sign, ecdsa_hash_pubkey(key_sign_pub), get_hash_type(coin))
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# if multisig, check if singing with a key that is included in multisig
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if txi_sign.multisig:
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@ -230,7 +230,7 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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w_txi_sign = bytearray_with_cap(
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5 + len(txi_sign.prev_hash) + 4 + len(txi_sign.script_sig) + 4)
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if i_sign == 0: # serializing first input => prepend headers
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write_bytes(w_txi_sign, get_tx_header(tx))
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write_bytes(w_txi_sign, get_tx_header(coin, tx))
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write_tx_input(w_txi_sign, txi_sign)
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tx_ser.serialized_tx = w_txi_sign
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@ -242,7 +242,12 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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# same as h_first, checked before signing the digest
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h_second = HashWriter(sha256)
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write_uint32(h_sign, tx.version)
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if tx.overwintered:
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write_uint32(h_sign, tx.version | 0x80000000) # nVersion | fOverwintered
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write_uint32(h_sign, coin.version_group_id) # nVersionGroupId
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else:
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write_uint32(h_sign, tx.version) # nVersion
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write_varint(h_sign, tx.inputs_count)
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for i in range(tx.inputs_count):
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@ -281,6 +286,8 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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write_tx_output(h_sign, txo_bin)
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write_uint32(h_sign, tx.lock_time)
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if tx.overwintered:
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write_uint32(h_sign, tx.expiry)
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write_uint32(h_sign, get_hash_type(coin))
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@ -304,7 +311,7 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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w_txi_sign = bytearray_with_cap(
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5 + len(txi_sign.prev_hash) + 4 + len(txi_sign.script_sig) + 4)
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if i_sign == 0: # serializing first input => prepend headers
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write_bytes(w_txi_sign, get_tx_header(tx))
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write_bytes(w_txi_sign, get_tx_header(coin, tx))
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write_tx_input(w_txi_sign, txi_sign)
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tx_ser.serialized_tx = w_txi_sign
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@ -349,7 +356,7 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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key_sign = node_derive(root, txi.address_n)
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key_sign_pub = key_sign.public_key()
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bip143_hash = bip143.preimage_hash(
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tx, txi, ecdsa_hash_pubkey(key_sign_pub), get_hash_type(coin))
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coin, tx, txi, ecdsa_hash_pubkey(key_sign_pub), get_hash_type(coin))
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signature = ecdsa_sign(key_sign, bip143_hash)
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if txi.multisig:
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@ -370,11 +377,13 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
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tx_req.serialized = tx_ser
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write_uint32(tx_ser.serialized_tx, tx.lock_time)
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if tx.overwintered:
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write_uint32(tx_ser.serialized_tx, tx.expiry)
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await request_tx_finish(tx_req)
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async def get_prevtx_output_value(tx_req: TxRequest, prev_hash: bytes, prev_index: int) -> int:
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async def get_prevtx_output_value(coin: CoinInfo, tx_req: TxRequest, prev_hash: bytes, prev_index: int) -> int:
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total_out = 0 # sum of output amounts
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# STAGE_REQUEST_2_PREV_META
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@ -382,7 +391,12 @@ async def get_prevtx_output_value(tx_req: TxRequest, prev_hash: bytes, prev_inde
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txh = HashWriter(sha256)
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write_uint32(txh, tx.version)
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if tx.overwintered:
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write_uint32(txh, tx.version | 0x80000000) # nVersion | fOverwintered
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write_uint32(txh, coin.version_group_id) # nVersionGroupId
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else:
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write_uint32(txh, tx.version) # nVersion
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write_varint(txh, tx.inputs_cnt)
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for i in range(tx.inputs_cnt):
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@ -428,9 +442,13 @@ def get_hash_type(coin: CoinInfo) -> int:
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return hashtype
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def get_tx_header(tx: SignTx, segwit: bool = False):
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def get_tx_header(coin: CoinInfo, tx: SignTx, segwit: bool = False):
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w_txi = bytearray()
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write_uint32(w_txi, tx.version)
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if tx.overwintered:
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write_uint32(w_txi, tx.version | 0x80000000) # nVersion | fOverwintered
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write_uint32(w_txi, coin.version_group_id) # nVersionGroupId
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else:
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write_uint32(w_txi, tx.version) # nVersion
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if segwit:
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write_varint(w_txi, 0x00) # segwit witness marker
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write_varint(w_txi, 0x01) # segwit witness flag
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@ -10,7 +10,7 @@ class SignTx(p.MessageType):
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3: ('coin_name', p.UnicodeType, 0), # default='Bitcoin'
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4: ('version', p.UVarintType, 0), # default=1
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5: ('lock_time', p.UVarintType, 0), # default=0
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6: ('decred_expiry', p.UVarintType, 0),
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6: ('expiry', p.UVarintType, 0),
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7: ('overwintered', p.BoolType, 0),
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}
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@ -21,7 +21,7 @@ class SignTx(p.MessageType):
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coin_name: str = None,
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version: int = None,
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lock_time: int = None,
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decred_expiry: int = None,
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expiry: int = None,
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overwintered: bool = None
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) -> None:
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self.outputs_count = outputs_count
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@ -29,5 +29,5 @@ class SignTx(p.MessageType):
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self.coin_name = coin_name
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self.version = version
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self.lock_time = lock_time
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self.decred_expiry = decred_expiry
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self.expiry = expiry
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self.overwintered = overwintered
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@ -19,7 +19,7 @@ class SimpleSignTx(p.MessageType):
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4: ('coin_name', p.UnicodeType, 0), # default='Bitcoin'
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5: ('version', p.UVarintType, 0), # default=1
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6: ('lock_time', p.UVarintType, 0), # default=0
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7: ('decred_expiry', p.UVarintType, 0),
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7: ('expiry', p.UVarintType, 0),
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8: ('overwintered', p.BoolType, 0),
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}
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@ -31,7 +31,7 @@ class SimpleSignTx(p.MessageType):
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coin_name: str = None,
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version: int = None,
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lock_time: int = None,
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decred_expiry: int = None,
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expiry: int = None,
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overwintered: bool = None
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) -> None:
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self.inputs = inputs if inputs is not None else []
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@ -40,5 +40,5 @@ class SimpleSignTx(p.MessageType):
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self.coin_name = coin_name
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self.version = version
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self.lock_time = lock_time
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self.decred_expiry = decred_expiry
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self.expiry = expiry
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self.overwintered = overwintered
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@ -21,7 +21,7 @@ class TransactionType(p.MessageType):
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7: ('outputs_cnt', p.UVarintType, 0),
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8: ('extra_data', p.BytesType, 0),
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9: ('extra_data_len', p.UVarintType, 0),
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10: ('decred_expiry', p.UVarintType, 0),
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10: ('expiry', p.UVarintType, 0),
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11: ('overwintered', p.BoolType, 0),
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}
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@ -36,7 +36,7 @@ class TransactionType(p.MessageType):
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outputs_cnt: int = None,
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extra_data: bytes = None,
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extra_data_len: int = None,
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decred_expiry: int = None,
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expiry: int = None,
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overwintered: bool = None
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) -> None:
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self.version = version
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@ -48,5 +48,5 @@ class TransactionType(p.MessageType):
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self.outputs_cnt = outputs_cnt
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self.extra_data = extra_data
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self.extra_data_len = extra_data_len
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self.decred_expiry = decred_expiry
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self.expiry = expiry
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self.overwintered = overwintered
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@ -29,10 +29,11 @@ for c in coins:
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name = 'bitcoin_testnet'
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data = json.load(open('../../vendor/trezor-common/defs/coins/%s.json' % name, 'r'))
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for n in fields:
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if n == 'xpub_magic':
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print(' %s=0x%08x,' % (n, data[n]))
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if n in ['xpub_magic', 'version_group_id']:
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v = '0x%08x' % data[n] if data[n] is not None else 'None'
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else:
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print(' %s=%s,' % (n, repr(data[n])))
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v = repr(data[n])
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print(' %s=%s,' % (n, v))
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print(' ),')
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print(']')
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2
vendor/trezor-common
vendored
2
vendor/trezor-common
vendored
@ -1 +1 @@
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Subproject commit 0f7118bb3d27c3c51a89c776c1b083db91f50541
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Subproject commit 018eebac7e64ed082486d746d78d279fe815c65d
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