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Code Issues Releases Wiki Activity

apps.common: remove sign.pseudo

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This commit is contained in:
Jan Pochyla 2016-11-23 14:52:12 +01:00
parent 2e34fc05a6
commit 6edaa68ab3
1 changed files with 0 additions and 91 deletions
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src/apps/common/sign.pseudo
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@ -1,91 +0,0 @@
from ..common.seed import get_root_node
import coins
async def getPrevTxOutputValue(prev_hash, prev_index):
# STAGE_REQUEST_2_PREV_META
tx = await TxRequest(type=META, hash=prev_hash)
tx_hash = TxHash()
# STAGE_REQUEST_2_PREV_INPUT
msgs = ((i, TxRequest(type=INPUT, hash=prev_hash, index=i)) for i in range(tx.inputs_count))
for _, tx_input in await msgs:
tx_hash.update(serialize(tx_input))
# STAGE_REQUEST_2_PREV_OUTPUT
msgs = ((i, TxRequest(type=OUTPUT, hash=prev_hash, index=i)) for i in range(tx.outputs_count))
for o, tx_output in await msgs:
tx_hash.update(serialize(tx_output))
if o == prev_index:
total_spend += tx_output.value
# TODO: EXTRADATA
if tx_hash.digest() != prev_hash:
raise Exception('PrevTx mismatch')
async def doSignTx(SignTx tx):
session_id = 0
coin = coins.by_name(tx.coin_name)
node = await get_root_node(session_id)
ins = tx.inputs_count
outs = tx.outputs_count
ver = tx.version
lock = tx.lock_time
total_spend = 0
# STAGE_REQUEST_1_INPUT
checktx_hash = TxHash()
msgs1 = ((i, TxRequest(type=INPUT, index=i)) for i in range(ins))
for _, input in await msgs1:
checktx_hash.update(serialize(input))
total_spend += await getTxPrevOutputValue(input.prev_hash, input.prev_index)
# STAGE_REQUEST_3_OUTPUT
msgs1 = ((i, TxRequest(type=OUTPUT, index=i)) for i in range(outs))
for output in await msgs1:
checktx_hash.update(serialize(output))
# display output
# confirm output
# Check tx fee
# Ask for confirmation
signed_tx = TxHash()
checked_tx = TxHash()
msgs1 = ((i, TxRequest(type=INPUT, index=i)) for i in range(ins))
for i1, input1 in await msgs1:
# STAGE_REQUEST_4_INPUT
msgs2 = ((i, TxRequest(type=INPUT, index=i)) for i in range(ins))
for i2, input2 in await msgs2:
if i1 == i2:
signing_key = extract_key()
fill_scriptsig_with_signature()
signed_tx.update(serialize(input1))
checked_tx.update(serialize(input1))
# STAGE_REQUEST_4_OUTPUT
msgs2 = ((i, TxRequest(type=OUTPUT, index=i)) for i in range(outs))
for _, output in await msgs2:
signed_tx.update(serialize(output))
checked_tx.update(serialize(output))
if check_tx.digest() != checked_tx.digest():
raise Exception('CheckTx mismatch')
yield sign(signing_key, signed_tx.digest())
# STAGE_REQUEST_5_OUTPUT
msgs1 = ((i, TxRequest(type=OUTPUT, index=i)) for i in range(outs))
for _, output in await msgs1:
if output.is_change_address():
output.rewrite_change()
yield output