|
|
|
@ -37,6 +37,7 @@ import traceback |
|
|
|
|
|
|
|
import dns |
|
|
|
import dns.resolver |
|
|
|
import aiorpcx |
|
|
|
from aiorpcx import TaskGroup |
|
|
|
from aiohttp import ClientResponse |
|
|
|
|
|
|
|
@ -53,6 +54,7 @@ from .interface import (Interface, serialize_server, deserialize_server, |
|
|
|
RequestTimedOut, NetworkTimeout) |
|
|
|
from .version import PROTOCOL_VERSION |
|
|
|
from .simple_config import SimpleConfig |
|
|
|
from .i18n import _ |
|
|
|
|
|
|
|
NODES_RETRY_INTERVAL = 60 |
|
|
|
SERVER_RETRY_INTERVAL = 10 |
|
|
|
@ -162,6 +164,30 @@ def deserialize_proxy(s: str) -> Optional[dict]: |
|
|
|
return proxy |
|
|
|
|
|
|
|
|
|
|
|
class BestEffortRequestFailed(Exception): pass |
|
|
|
|
|
|
|
|
|
|
|
class TxBroadcastError(Exception): |
|
|
|
def get_message_for_gui(self): |
|
|
|
raise NotImplementedError() |
|
|
|
|
|
|
|
|
|
|
|
class TxBroadcastHashMismatch(TxBroadcastError): |
|
|
|
def get_message_for_gui(self): |
|
|
|
return "{}\n{}\n\n{}" \ |
|
|
|
.format(_("The server returned an unexpected transaction ID when broadcasting the transaction."), |
|
|
|
_("Consider trying to connect to a different server, or updating Electrum."), |
|
|
|
str(self)) |
|
|
|
|
|
|
|
|
|
|
|
class TxBroadcastServerReturnedError(TxBroadcastError): |
|
|
|
def get_message_for_gui(self): |
|
|
|
return "{}\n{}\n\n{}" \ |
|
|
|
.format(_("The server returned an error when broadcasting the transaction."), |
|
|
|
_("Consider trying to connect to a different server, or updating Electrum."), |
|
|
|
str(self)) |
|
|
|
|
|
|
|
|
|
|
|
INSTANCE = None |
|
|
|
|
|
|
|
|
|
|
|
@ -724,7 +750,7 @@ class Network(PrintError): |
|
|
|
continue # try again |
|
|
|
return success_fut.result() |
|
|
|
# otherwise; try again |
|
|
|
raise Exception('no interface to do request on... gave up.') |
|
|
|
raise BestEffortRequestFailed('no interface to do request on... gave up.') |
|
|
|
return make_reliable_wrapper |
|
|
|
|
|
|
|
@best_effort_reliable |
|
|
|
@ -732,14 +758,152 @@ class Network(PrintError): |
|
|
|
return await self.interface.session.send_request('blockchain.transaction.get_merkle', [tx_hash, tx_height]) |
|
|
|
|
|
|
|
@best_effort_reliable |
|
|
|
async def broadcast_transaction(self, tx, *, timeout=None): |
|
|
|
async def broadcast_transaction(self, tx, *, timeout=None) -> None: |
|
|
|
if timeout is None: |
|
|
|
timeout = self.get_network_timeout_seconds(NetworkTimeout.Urgent) |
|
|
|
out = await self.interface.session.send_request('blockchain.transaction.broadcast', [str(tx)], timeout=timeout) |
|
|
|
try: |
|
|
|
out = await self.interface.session.send_request('blockchain.transaction.broadcast', [str(tx)], timeout=timeout) |
|
|
|
# note: both 'out' and exception messages are untrusted input from the server |
|
|
|
except aiorpcx.jsonrpc.RPCError as e: |
|
|
|
self.print_error(f"broadcast_transaction error: {repr(e)}") |
|
|
|
raise TxBroadcastServerReturnedError(self.sanitize_tx_broadcast_response(e.message)) from e |
|
|
|
if out != tx.txid(): |
|
|
|
# note: this is untrusted input from the server |
|
|
|
raise Exception(out) |
|
|
|
return out # txid |
|
|
|
self.print_error(f"unexpected txid for broadcast_transaction: {out} != {tx.txid()}") |
|
|
|
raise TxBroadcastHashMismatch(_("Server returned unexpected transaction ID.")) |
|
|
|
|
|
|
|
@staticmethod |
|
|
|
def sanitize_tx_broadcast_response(server_msg) -> str: |
|
|
|
# Unfortunately, bitcoind and hence the Electrum protocol doesn't return a useful error code. |
|
|
|
# So, we use substring matching to grok the error message. |
|
|
|
# server_msg is untrusted input so it should not be shown to the user. see #4968 |
|
|
|
server_msg = str(server_msg) |
|
|
|
server_msg = server_msg.replace("\n", r"\n") |
|
|
|
# https://github.com/bitcoin/bitcoin/blob/cd42553b1178a48a16017eff0b70669c84c3895c/src/policy/policy.cpp |
|
|
|
# grep "reason =" |
|
|
|
policy_error_messages = { |
|
|
|
r"version": None, |
|
|
|
r"tx-size": _("The transaction was rejected because it is too large."), |
|
|
|
r"scriptsig-size": None, |
|
|
|
r"scriptsig-not-pushonly": None, |
|
|
|
r"scriptpubkey": None, |
|
|
|
r"bare-multisig": None, |
|
|
|
r"dust": _("Transaction could not be broadcast due to dust outputs."), |
|
|
|
r"multi-op-return": _("The transaction was rejected because it contains more than 1 OP_RETURN input."), |
|
|
|
} |
|
|
|
for substring in policy_error_messages: |
|
|
|
if substring in server_msg: |
|
|
|
msg = policy_error_messages[substring] |
|
|
|
return msg if msg else substring |
|
|
|
# https://github.com/bitcoin/bitcoin/blob/cd42553b1178a48a16017eff0b70669c84c3895c/src/script/script_error.cpp |
|
|
|
script_error_messages = { |
|
|
|
r"Script evaluated without error but finished with a false/empty top stack element", |
|
|
|
r"Script failed an OP_VERIFY operation", |
|
|
|
r"Script failed an OP_EQUALVERIFY operation", |
|
|
|
r"Script failed an OP_CHECKMULTISIGVERIFY operation", |
|
|
|
r"Script failed an OP_CHECKSIGVERIFY operation", |
|
|
|
r"Script failed an OP_NUMEQUALVERIFY operation", |
|
|
|
r"Script is too big", |
|
|
|
r"Push value size limit exceeded", |
|
|
|
r"Operation limit exceeded", |
|
|
|
r"Stack size limit exceeded", |
|
|
|
r"Signature count negative or greater than pubkey count", |
|
|
|
r"Pubkey count negative or limit exceeded", |
|
|
|
r"Opcode missing or not understood", |
|
|
|
r"Attempted to use a disabled opcode", |
|
|
|
r"Operation not valid with the current stack size", |
|
|
|
r"Operation not valid with the current altstack size", |
|
|
|
r"OP_RETURN was encountered", |
|
|
|
r"Invalid OP_IF construction", |
|
|
|
r"Negative locktime", |
|
|
|
r"Locktime requirement not satisfied", |
|
|
|
r"Signature hash type missing or not understood", |
|
|
|
r"Non-canonical DER signature", |
|
|
|
r"Data push larger than necessary", |
|
|
|
r"Only non-push operators allowed in signatures", |
|
|
|
r"Non-canonical signature: S value is unnecessarily high", |
|
|
|
r"Dummy CHECKMULTISIG argument must be zero", |
|
|
|
r"OP_IF/NOTIF argument must be minimal", |
|
|
|
r"Signature must be zero for failed CHECK(MULTI)SIG operation", |
|
|
|
r"NOPx reserved for soft-fork upgrades", |
|
|
|
r"Witness version reserved for soft-fork upgrades", |
|
|
|
r"Public key is neither compressed or uncompressed", |
|
|
|
r"Extra items left on stack after execution", |
|
|
|
r"Witness program has incorrect length", |
|
|
|
r"Witness program was passed an empty witness", |
|
|
|
r"Witness program hash mismatch", |
|
|
|
r"Witness requires empty scriptSig", |
|
|
|
r"Witness requires only-redeemscript scriptSig", |
|
|
|
r"Witness provided for non-witness script", |
|
|
|
r"Using non-compressed keys in segwit", |
|
|
|
r"Using OP_CODESEPARATOR in non-witness script", |
|
|
|
r"Signature is found in scriptCode", |
|
|
|
} |
|
|
|
for substring in script_error_messages: |
|
|
|
if substring in server_msg: |
|
|
|
return substring |
|
|
|
# https://github.com/bitcoin/bitcoin/blob/cd42553b1178a48a16017eff0b70669c84c3895c/src/validation.cpp |
|
|
|
# grep "REJECT_" |
|
|
|
# should come after script_error.cpp (due to e.g. non-mandatory-script-verify-flag) |
|
|
|
validation_error_messages = { |
|
|
|
r"coinbase", |
|
|
|
r"tx-size-small", |
|
|
|
r"non-final", |
|
|
|
r"txn-already-in-mempool", |
|
|
|
r"txn-mempool-conflict", |
|
|
|
r"txn-already-known", |
|
|
|
r"non-BIP68-final", |
|
|
|
r"bad-txns-nonstandard-inputs", |
|
|
|
r"bad-witness-nonstandard", |
|
|
|
r"bad-txns-too-many-sigops", |
|
|
|
r"mempool min fee not met", |
|
|
|
r"min relay fee not met", |
|
|
|
r"absurdly-high-fee", |
|
|
|
r"too-long-mempool-chain", |
|
|
|
r"bad-txns-spends-conflicting-tx", |
|
|
|
r"insufficient fee", |
|
|
|
r"too many potential replacements", |
|
|
|
r"replacement-adds-unconfirmed", |
|
|
|
r"mempool full", |
|
|
|
r"non-mandatory-script-verify-flag", |
|
|
|
r"mandatory-script-verify-flag-failed", |
|
|
|
} |
|
|
|
for substring in validation_error_messages: |
|
|
|
if substring in server_msg: |
|
|
|
return substring |
|
|
|
# https://github.com/bitcoin/bitcoin/blob/cd42553b1178a48a16017eff0b70669c84c3895c/src/rpc/rawtransaction.cpp |
|
|
|
# grep "RPC_TRANSACTION" |
|
|
|
# grep "RPC_DESERIALIZATION_ERROR" |
|
|
|
rawtransaction_error_messages = { |
|
|
|
r"Missing inputs", |
|
|
|
r"transaction already in block chain", |
|
|
|
r"TX decode failed", |
|
|
|
} |
|
|
|
for substring in rawtransaction_error_messages: |
|
|
|
if substring in server_msg: |
|
|
|
return substring |
|
|
|
# https://github.com/bitcoin/bitcoin/blob/cd42553b1178a48a16017eff0b70669c84c3895c/src/consensus/tx_verify.cpp |
|
|
|
# grep "REJECT_" |
|
|
|
tx_verify_error_messages = { |
|
|
|
r"bad-txns-vin-empty", |
|
|
|
r"bad-txns-vout-empty", |
|
|
|
r"bad-txns-oversize", |
|
|
|
r"bad-txns-vout-negative", |
|
|
|
r"bad-txns-vout-toolarge", |
|
|
|
r"bad-txns-txouttotal-toolarge", |
|
|
|
r"bad-txns-inputs-duplicate", |
|
|
|
r"bad-cb-length", |
|
|
|
r"bad-txns-prevout-null", |
|
|
|
r"bad-txns-inputs-missingorspent", |
|
|
|
r"bad-txns-premature-spend-of-coinbase", |
|
|
|
r"bad-txns-inputvalues-outofrange", |
|
|
|
r"bad-txns-in-belowout", |
|
|
|
r"bad-txns-fee-outofrange", |
|
|
|
} |
|
|
|
for substring in tx_verify_error_messages: |
|
|
|
if substring in server_msg: |
|
|
|
return substring |
|
|
|
# otherwise: |
|
|
|
return _("Unknown error") |
|
|
|
|
|
|
|
@best_effort_reliable |
|
|
|
async def request_chunk(self, height, tip=None, *, can_return_early=False): |
|
|
|
|
ThomasV
6 years ago
GitHub