spec: regulate exceptions (#913)
* spec: regulate exceptions * a few more simple raises
This commit is contained in:
parent
bdea75e4c3
commit
ed74770451
|
@ -1277,13 +1277,17 @@ when hasPrompt:
|
|||
|
||||
when compiles(defaultChroniclesStream.output.writer):
|
||||
defaultChroniclesStream.output.writer =
|
||||
proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe.} =
|
||||
proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe, raises: [Defect].} =
|
||||
try:
|
||||
# p.hidePrompt
|
||||
erase statusBar
|
||||
# p.writeLine msg
|
||||
stdout.write msg
|
||||
render statusBar
|
||||
# p.showPrompt
|
||||
except Exception as e: # render raises Exception
|
||||
if e is Defect: raise (ref Defect)(e)
|
||||
discard # Status bar not critical
|
||||
|
||||
proc statusBarUpdatesPollingLoop() {.async.} =
|
||||
while true:
|
||||
|
@ -1302,8 +1306,11 @@ when isMainModule:
|
|||
|
||||
when compiles(defaultChroniclesStream.output.writer):
|
||||
defaultChroniclesStream.output.writer =
|
||||
proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe.} =
|
||||
proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe, raises: [Defect].} =
|
||||
try:
|
||||
stdout.write(msg)
|
||||
except IOError:
|
||||
discard # nothing to do..
|
||||
|
||||
randomize()
|
||||
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
deques, tables, options,
|
||||
stew/[endians2, byteutils], chronicles,
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
os, options, strformat, strutils,
|
||||
chronicles, confutils, json_serialization,
|
||||
|
@ -278,7 +280,10 @@ proc defaultDataDir*(conf: BeaconNodeConf): string =
|
|||
|
||||
proc validatorFileBaseName*(validatorIdx: int): string =
|
||||
# there can apparently be tops 4M validators so we use 7 digits..
|
||||
try:
|
||||
fmt"v{validatorIdx:07}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func dumpDir*(conf: BeaconNodeConf): string =
|
||||
conf.dataDir / "dump"
|
||||
|
@ -292,10 +297,10 @@ func databaseDir*(conf: BeaconNodeConf): string =
|
|||
func defaultListenAddress*(conf: BeaconNodeConf): IpAddress =
|
||||
# TODO: How should we select between IPv4 and IPv6
|
||||
# Maybe there should be a config option for this.
|
||||
parseIpAddress("0.0.0.0")
|
||||
return static: parseIpAddress("0.0.0.0")
|
||||
|
||||
func defaultAdminListenAddress*(conf: BeaconNodeConf): IpAddress =
|
||||
parseIpAddress("127.0.0.1")
|
||||
return static: parseIpAddress("127.0.0.1")
|
||||
|
||||
iterator validatorKeys*(conf: BeaconNodeConf): ValidatorPrivKey =
|
||||
for validatorKeyFile in conf.validators:
|
||||
|
@ -305,6 +310,7 @@ iterator validatorKeys*(conf: BeaconNodeConf): ValidatorPrivKey =
|
|||
warn "Failed to load validator private key",
|
||||
file = validatorKeyFile.string, err = err.msg
|
||||
|
||||
try:
|
||||
for kind, file in walkDir(conf.localValidatorsDir):
|
||||
if kind in {pcFile, pcLinkToFile} and
|
||||
cmpIgnoreCase(".privkey", splitFile(file).ext) == 0:
|
||||
|
@ -312,6 +318,9 @@ iterator validatorKeys*(conf: BeaconNodeConf): ValidatorPrivKey =
|
|||
yield ValidatorPrivKey.init(readFile(file).string)
|
||||
except CatchableError as err:
|
||||
warn "Failed to load a validator private key", file, err = err.msg
|
||||
except OSError as err:
|
||||
warn "Cannot load validator keys",
|
||||
dir = conf.localValidatorsDir, err = err.msg
|
||||
|
||||
template writeValue*(writer: var JsonWriter,
|
||||
value: TypedInputFile|InputFile|InputDir|OutPath|OutDir|OutFile) =
|
||||
|
|
|
@ -5,6 +5,8 @@
|
|||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
# Temporary dumping ground for extra types and helpers that could make it into
|
||||
# the spec potentially
|
||||
#
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
stew/endians2, stint,
|
||||
./extras, ./ssz,
|
||||
|
@ -14,7 +16,7 @@ func get_eth1data_stub*(deposit_count: uint64, current_epoch: Epoch): Eth1Data =
|
|||
block_hash: hash_tree_root(hash_tree_root(voting_period).data),
|
||||
)
|
||||
|
||||
func makeInteropPrivKey*(i: int): ValidatorPrivKey =
|
||||
func makeInteropPrivKey*(i: int): BlsResult[ValidatorPrivKey] =
|
||||
var bytes: array[32, byte]
|
||||
bytes[0..7] = uint64(i).toBytesLE()
|
||||
|
||||
|
@ -26,7 +28,7 @@ func makeInteropPrivKey*(i: int): ValidatorPrivKey =
|
|||
privkeyBytes = eth2hash(bytes)
|
||||
key = (UInt256.fromBytesLE(privkeyBytes.data) mod curveOrder).toBytesBE()
|
||||
|
||||
ValidatorPrivKey.fromRaw(key).tryGet()
|
||||
ValidatorPrivKey.fromRaw(key)
|
||||
|
||||
const eth1BlockHash* = block:
|
||||
var x: Eth2Digest
|
||||
|
|
|
@ -10,6 +10,8 @@
|
|||
# Merkle tree helpers
|
||||
# ---------------------------------------------------------------
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
sequtils, strutils, macros, bitops,
|
||||
# Specs
|
||||
|
|
|
@ -5,6 +5,8 @@
|
|||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
tables, algorithm, math, sequtils, options,
|
||||
json_serialization/std/sets, chronicles, stew/bitseqs,
|
||||
|
|
|
@ -17,6 +17,9 @@
|
|||
# `ref` - this can be achieved by wrapping them in higher-level
|
||||
# types / composition
|
||||
|
||||
# TODO report compiler crash when this is uncommented
|
||||
# {.push raises: [Defect].}
|
||||
|
||||
import
|
||||
macros, hashes, json, strutils, tables,
|
||||
stew/[byteutils, bitseqs], chronicles,
|
||||
|
|
|
@ -7,6 +7,8 @@
|
|||
|
||||
# Uncategorized helper functions from the spec
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
# Standard lib
|
||||
math,
|
||||
|
|
|
@ -5,6 +5,8 @@
|
|||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
strformat,
|
||||
stew/byteutils,
|
||||
|
@ -27,22 +29,39 @@ const
|
|||
defaultEth2RpcPort* = 9090
|
||||
|
||||
func getBeaconBlocksTopic*(forkDigest: ForkDigest): string =
|
||||
try:
|
||||
&"/eth2/{toHex forkDigest}/{topicBeaconBlocksSuffix}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func getVoluntaryExitsTopic*(forkDigest: ForkDigest): string =
|
||||
try:
|
||||
&"/eth2/{toHex forkDigest}/{topicVoluntaryExitsSuffix}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func getProposerSlashingsTopic*(forkDigest: ForkDigest): string =
|
||||
try:
|
||||
&"/eth2/{toHex forkDigest}/{topicProposerSlashingsSuffix}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func getAttesterSlashingsTopic*(forkDigest: ForkDigest): string =
|
||||
try:
|
||||
&"/eth2/{toHex forkDigest}/{topicAttesterSlashingsSuffix}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func getAggregateAndProofsTopic*(forkDigest: ForkDigest): string =
|
||||
try:
|
||||
&"/eth2/{toHex forkDigest}/{topicAggregateAndProofsSuffix}"
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
func getAttestationTopic*(forkDigest: ForkDigest, committeeIndex: uint64): string =
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.11.0/specs/phase0/validator.md#broadcast-attestation
|
||||
try:
|
||||
let topicIndex = committeeIndex mod ATTESTATION_SUBNET_COUNT
|
||||
&"/eth2/{toHex forkDigest}/committee_index{topicIndex}{topicAttestationsSuffix}"
|
||||
|
||||
except ValueError as e:
|
||||
raiseAssert e.msg
|
||||
|
|
|
@ -32,6 +32,8 @@
|
|||
# improvements to be made - other than that, keep things similar to spec for
|
||||
# now.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
algorithm, collections/sets, chronicles, options, sequtils, sets,
|
||||
../extras, ../ssz, metrics,
|
||||
|
@ -400,6 +402,7 @@ proc process_block*(
|
|||
# https://github.com/ethereum/eth2.0-metrics/blob/master/metrics.md#additional-metrics
|
||||
# doesn't seem to specify at what point in block processing this metric is to be read,
|
||||
# and this avoids the early-return issue (could also use defer, etc).
|
||||
try:
|
||||
beacon_pending_deposits.set(
|
||||
state.eth1_data.deposit_count.int64 - state.eth1_deposit_index.int64)
|
||||
beacon_processed_deposits_total.set(state.eth1_deposit_index.int64)
|
||||
|
@ -410,6 +413,8 @@ proc process_block*(
|
|||
mapIt(state.current_epoch_attestations, it.proposerIndex)).len.int64)
|
||||
beacon_previous_live_validators.set(toHashSet(
|
||||
mapIt(state.previous_epoch_attestations, it.proposerIndex)).len.int64)
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
|
||||
if not process_block_header(state, blck, flags, stateCache):
|
||||
notice "Block header not valid", slot = shortLog(state.slot)
|
||||
|
|
|
@ -32,6 +32,8 @@
|
|||
# improvements to be made - other than that, keep things similar to spec for
|
||||
# now.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
math, options, sequtils, tables,
|
||||
stew/[bitseqs, bitops2], chronicles, json_serialization/std/sets,
|
||||
|
@ -449,6 +451,7 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
|
|||
process_final_updates(state)
|
||||
|
||||
# Once per epoch metrics
|
||||
try:
|
||||
beacon_finalized_epoch.set(state.finalized_checkpoint.epoch.int64)
|
||||
beacon_finalized_root.set(state.finalized_checkpoint.root.toGaugeValue)
|
||||
beacon_current_justified_epoch.set(
|
||||
|
@ -459,3 +462,5 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
|
|||
state.previous_justified_checkpoint.epoch.int64)
|
||||
beacon_previous_justified_root.set(
|
||||
state.previous_justified_checkpoint.root.toGaugeValue)
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
|
|
|
@ -5,6 +5,8 @@
|
|||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
# Standard library
|
||||
sets,
|
||||
|
|
|
@ -6,6 +6,8 @@
|
|||
|
||||
# Helpers and functions pertaining to managing the validator set
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
options, nimcrypto, sequtils, math, tables,
|
||||
./datatypes, ./digest, ./helpers
|
||||
|
@ -91,7 +93,7 @@ func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
|
|||
index: uint64, count: uint64, stateCache: var StateCache): seq[ValidatorIndex] =
|
||||
## Return the committee corresponding to ``indices``, ``seed``, ``index``,
|
||||
## and committee ``count``.
|
||||
|
||||
try:
|
||||
let
|
||||
start = (len(indices).uint64 * index) div count
|
||||
endIdx = (len(indices).uint64 * (index + 1)) div count
|
||||
|
@ -110,6 +112,8 @@ func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
|
|||
mapIt(
|
||||
start.int .. (endIdx.int-1),
|
||||
indices[stateCache.beacon_committee_cache[key][it]])
|
||||
except KeyError:
|
||||
raiseAssert("Cached entries are added before use")
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_beacon_committee
|
||||
func get_beacon_committee*(
|
||||
|
@ -119,6 +123,7 @@ func get_beacon_committee*(
|
|||
let
|
||||
epoch = compute_epoch_at_slot(slot)
|
||||
|
||||
try:
|
||||
## This is a somewhat more fragile, but high-ROI, caching setup --
|
||||
## get_active_validator_indices() is slow to run in a loop and only
|
||||
## changes once per epoch.
|
||||
|
@ -139,6 +144,8 @@ func get_beacon_committee*(
|
|||
cache.committee_count_cache[epoch] * SLOTS_PER_EPOCH,
|
||||
cache
|
||||
)
|
||||
except KeyError:
|
||||
raiseAssert "values are added to cache before using them"
|
||||
|
||||
# Not from spec
|
||||
func get_empty_per_epoch_cache*(): StateCache =
|
||||
|
|
|
@ -8,6 +8,10 @@
|
|||
# SSZ Serialization (simple serialize)
|
||||
# See https://github.com/ethereum/eth2.0-specs/blob/master/specs/simple-serialize.md
|
||||
|
||||
# TODO Cannot override push, even though the function is annotated
|
||||
# nim-beacon-chain/beacon_chain/ssz.nim(212, 18) Error: can raise an unlisted exception: IOError
|
||||
#{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
stew/shims/macros, options, algorithm, options,
|
||||
stew/[bitops2, bitseqs, endians2, objects, varints, ptrops, ranges/ptr_arith], stint,
|
||||
|
@ -72,15 +76,15 @@ template sizePrefixed*[TT](x: TT): untyped =
|
|||
|
||||
proc init*(T: type SszReader,
|
||||
stream: InputStream,
|
||||
maxObjectSize = defaultMaxObjectSize): T =
|
||||
maxObjectSize = defaultMaxObjectSize): T {.raises: [Defect].} =
|
||||
T(stream: stream, maxObjectSize: maxObjectSize)
|
||||
|
||||
proc mount*(F: type SSZ, stream: InputStream, T: type): T =
|
||||
proc mount*(F: type SSZ, stream: InputStream, T: type): T {.raises: [Defect].} =
|
||||
mixin readValue
|
||||
var reader = init(SszReader, stream)
|
||||
reader.readValue(T)
|
||||
|
||||
method formatMsg*(err: ref SszSizeMismatchError, filename: string): string {.gcsafe.} =
|
||||
method formatMsg*(err: ref SszSizeMismatchError, filename: string): string {.gcsafe, raises: [Defect].} =
|
||||
# TODO: implement proper error string
|
||||
"Serialisation error while processing " & filename
|
||||
|
||||
|
@ -111,7 +115,7 @@ template toSszType*(x: auto): auto =
|
|||
elif useListType and x is List: seq[x.T](x)
|
||||
else: x
|
||||
|
||||
proc writeFixedSized(c: var WriteCursor, x: auto) =
|
||||
proc writeFixedSized(c: var WriteCursor, x: auto) {.raises: [Defect, IOError].} =
|
||||
mixin toSszType
|
||||
|
||||
when x is byte:
|
||||
|
@ -146,7 +150,7 @@ template supports*(_: type SSZ, T: type): bool =
|
|||
mixin toSszType
|
||||
anonConst compiles(fixedPortionSize toSszType(default(T)))
|
||||
|
||||
func init*(T: type SszWriter, stream: OutputStream): T =
|
||||
func init*(T: type SszWriter, stream: OutputStream): T {.raises: [Defect].} =
|
||||
result.stream = stream
|
||||
|
||||
template enumerateSubFields(holder, fieldVar, body: untyped) =
|
||||
|
@ -157,7 +161,7 @@ template enumerateSubFields(holder, fieldVar, body: untyped) =
|
|||
|
||||
proc writeVarSizeType(w: var SszWriter, value: auto) {.gcsafe.}
|
||||
|
||||
proc beginRecord*(w: var SszWriter, TT: type): auto =
|
||||
proc beginRecord*(w: var SszWriter, TT: type): auto {.raises: [Defect].} =
|
||||
type T = TT
|
||||
when isFixedSize(T):
|
||||
FixedSizedWriterCtx()
|
||||
|
@ -193,7 +197,7 @@ template endRecord*(w: var SszWriter, ctx: var auto) =
|
|||
when ctx is VarSizedWriterCtx:
|
||||
finalize ctx.fixedParts
|
||||
|
||||
proc writeVarSizeType(w: var SszWriter, value: auto) =
|
||||
proc writeVarSizeType(w: var SszWriter, value: auto) {.raises: [Defect, IOError].} =
|
||||
trs "STARTING VAR SIZE TYPE"
|
||||
mixin toSszType
|
||||
type T = type toSszType(value)
|
||||
|
@ -230,7 +234,7 @@ proc writeVarSizeType(w: var SszWriter, value: auto) =
|
|||
writeField w, ctx, astToStr(field), field
|
||||
endRecord w, ctx
|
||||
|
||||
proc writeValue*(w: var SszWriter, x: auto) {.gcsafe.} =
|
||||
proc writeValue*(w: var SszWriter, x: auto) {.gcsafe, raises: [Defect, IOError].} =
|
||||
mixin toSszType
|
||||
type T = type toSszType(x)
|
||||
|
||||
|
@ -241,7 +245,7 @@ proc writeValue*(w: var SszWriter, x: auto) {.gcsafe.} =
|
|||
else:
|
||||
unsupported type(x)
|
||||
|
||||
proc writeValue*[T](w: var SszWriter, x: SizePrefixed[T]) =
|
||||
proc writeValue*[T](w: var SszWriter, x: SizePrefixed[T]) {.raises: [Defect, IOError].} =
|
||||
var cursor = w.stream.delayVarSizeWrite(10)
|
||||
let initPos = w.stream.pos
|
||||
w.writeValue T(x)
|
||||
|
@ -260,7 +264,7 @@ template fromSszBytes*[T; N](_: type TypeWithMaxLen[T, N],
|
|||
mixin fromSszBytes
|
||||
fromSszBytes(T, bytes)
|
||||
|
||||
proc readValue*[T](r: var SszReader, val: var T) =
|
||||
proc readValue*[T](r: var SszReader, val: var T) {.raises: [Defect, MalformedSszError, SszSizeMismatchError].} =
|
||||
when isFixedSize(T):
|
||||
const minimalSize = fixedPortionSize(T)
|
||||
if r.stream.readable(minimalSize):
|
||||
|
@ -272,7 +276,7 @@ proc readValue*[T](r: var SszReader, val: var T) =
|
|||
# the dynamic portion to consume the right number of bytes.
|
||||
val = readSszValue(r.stream.read(r.stream.endPos), T)
|
||||
|
||||
proc readValue*[T](r: var SszReader, val: var SizePrefixed[T]) =
|
||||
proc readValue*[T](r: var SszReader, val: var SizePrefixed[T]) {.raises: [Defect].} =
|
||||
let length = r.stream.readVarint(uint64)
|
||||
if length > r.maxObjectSize:
|
||||
raise newException(SszMaxSizeExceeded,
|
||||
|
@ -415,7 +419,7 @@ func mixInLength(root: Eth2Digest, length: int): Eth2Digest =
|
|||
|
||||
func merkleizeSerializedChunks(merkleizer: SszChunksMerkleizer,
|
||||
obj: auto): Eth2Digest =
|
||||
|
||||
try:
|
||||
var hashingStream = newSszHashingStream merkleizer
|
||||
{.noSideEffect.}:
|
||||
# We assume there are no side-effects here, because the
|
||||
|
@ -423,11 +427,15 @@ func merkleizeSerializedChunks(merkleizer: SszChunksMerkleizer,
|
|||
hashingStream.writeFixedSized obj
|
||||
hashingStream.flush
|
||||
merkleizer.getFinalHash
|
||||
except IOError as e:
|
||||
# Hashing shouldn't raise in theory but because of abstraction
|
||||
# tax in the faststreams library, we have to do this at runtime
|
||||
raiseAssert($e.msg)
|
||||
|
||||
func merkleizeSerializedChunks(obj: auto): Eth2Digest =
|
||||
merkleizeSerializedChunks(SszChunksMerkleizer(), obj)
|
||||
|
||||
func hash_tree_root*(x: auto): Eth2Digest {.gcsafe.}
|
||||
func hash_tree_root*(x: auto): Eth2Digest {.gcsafe, raises: [Defect].}
|
||||
|
||||
template merkleizeFields(body: untyped): Eth2Digest {.dirty.} =
|
||||
var merkleizer {.inject.} = SszChunksMerkleizer()
|
||||
|
@ -546,7 +554,7 @@ func maxChunksCount(T: type, maxLen: static int64): int64 {.compileTime.} =
|
|||
else:
|
||||
unsupported T # This should never happen
|
||||
|
||||
func hash_tree_root*(x: auto): Eth2Digest =
|
||||
func hash_tree_root*(x: auto): Eth2Digest {.raises: [Defect].} =
|
||||
trs "STARTING HASH TREE ROOT FOR TYPE ", name(type(x))
|
||||
mixin toSszType
|
||||
when x is SignedBeaconBlock:
|
||||
|
|
|
@ -1,3 +1,6 @@
|
|||
{.push raises: [Defect].}
|
||||
{.pragma: raisesssz, raises: [Defect, MalformedSszError, SszSizeMismatchError].}
|
||||
|
||||
import
|
||||
typetraits, options,
|
||||
stew/[bitseqs, endians2, objects, bitseqs], serialization/testing/tracing,
|
||||
|
@ -10,19 +13,19 @@ template setOutputSize[R, T](a: var array[R, T], length: int) =
|
|||
if length != a.len:
|
||||
raise newException(MalformedSszError, "SSZ input of insufficient size")
|
||||
|
||||
proc setOutputSize[T](s: var seq[T], length: int) {.inline.} =
|
||||
proc setOutputSize[T](s: var seq[T], length: int) {.inline, raisesssz.} =
|
||||
if sizeof(T) * length > maxListAllocation:
|
||||
raise newException(MalformedSszError, "SSZ list size is too large to fit in memory")
|
||||
s.setLen length
|
||||
|
||||
proc setOutputSize(s: var string, length: int) {.inline.} =
|
||||
proc setOutputSize(s: var string, length: int) {.inline, raisesssz.} =
|
||||
if length > maxListAllocation:
|
||||
raise newException(MalformedSszError, "SSZ string is too large to fit in memory")
|
||||
s.setLen length
|
||||
|
||||
# fromSszBytes copies the wire representation to a Nim variable,
|
||||
# assuming there's enough data in the buffer
|
||||
func fromSszBytes*(T: type SomeInteger, data: openarray[byte]): T =
|
||||
func fromSszBytes*(T: type SomeInteger, data: openarray[byte]): T {.raisesssz.} =
|
||||
## Convert directly to bytes the size of the int. (e.g. ``uint16 = 2 bytes``)
|
||||
## All integers are serialized as **little endian**.
|
||||
if data.len < sizeof(result):
|
||||
|
@ -30,14 +33,14 @@ func fromSszBytes*(T: type SomeInteger, data: openarray[byte]): T =
|
|||
|
||||
T.fromBytesLE(data)
|
||||
|
||||
func fromSszBytes*(T: type bool, data: openarray[byte]): T =
|
||||
func fromSszBytes*(T: type bool, data: openarray[byte]): T {.raisesssz.} =
|
||||
# TODO: spec doesn't say what to do if the value is >1 - we'll use the C
|
||||
# definition for now, but maybe this should be a parse error instead?
|
||||
if data.len == 0 or data[0] > byte(1):
|
||||
raise newException(MalformedSszError, "invalid boolean value")
|
||||
data[0] == 1
|
||||
|
||||
func fromSszBytes*(T: type Eth2Digest, data: openarray[byte]): T =
|
||||
func fromSszBytes*(T: type Eth2Digest, data: openarray[byte]): T {.raisesssz.} =
|
||||
if data.len < sizeof(result.data):
|
||||
raise newException(MalformedSszError, "SSZ input of insufficient size")
|
||||
copyMem(result.data.addr, unsafeAddr data[0], sizeof(result.data))
|
||||
|
@ -54,10 +57,10 @@ template fromSszBytes*(T: type enum, bytes: openarray[byte]): auto =
|
|||
template fromSszBytes*(T: type BitSeq, bytes: openarray[byte]): auto =
|
||||
BitSeq @bytes
|
||||
|
||||
func fromSszBytes*[N](T: type BitList[N], bytes: openarray[byte]): auto =
|
||||
func fromSszBytes*[N](T: type BitList[N], bytes: openarray[byte]): auto {.raisesssz.} =
|
||||
BitList[N] @bytes
|
||||
|
||||
func fromSszBytes*[N](T: type BitArray[N], bytes: openarray[byte]): T =
|
||||
func fromSszBytes*[N](T: type BitArray[N], bytes: openarray[byte]): T {.raisesssz.} =
|
||||
# A bit vector doesn't have a marker bit, but we'll use the helper from
|
||||
# nim-stew to determine the position of the leading (marker) bit.
|
||||
# If it's outside the BitArray size, we have an overflow:
|
||||
|
@ -68,7 +71,7 @@ func fromSszBytes*[N](T: type BitArray[N], bytes: openarray[byte]): T =
|
|||
proc `[]`[T, U, V](s: openArray[T], x: HSlice[U, V]) {.error:
|
||||
"Please don't use openarray's [] as it allocates a result sequence".}
|
||||
|
||||
func readSszValue*(input: openarray[byte], T: type): T =
|
||||
func readSszValue*(input: openarray[byte], T: type): T {.raisesssz.} =
|
||||
mixin fromSszBytes, toSszType
|
||||
|
||||
type T {.used.} = type(result)
|
||||
|
|
|
@ -1,3 +1,6 @@
|
|||
{.push raises: [Defect].}
|
||||
{.pragma: raisesssz, raises: [Defect, IOError, MalformedSszError, SszSizeMismatchError].}
|
||||
|
||||
import
|
||||
strutils, parseutils,
|
||||
faststreams/output_stream, json_serialization/writer,
|
||||
|
@ -18,8 +21,7 @@ type
|
|||
fieldType: TypeInfo
|
||||
navigator: proc (m: MemRange): MemRange {. gcsafe
|
||||
noSideEffect
|
||||
raises: [Defect,
|
||||
MalformedSszError] }
|
||||
raisesssz }
|
||||
TypeInfo = ref object
|
||||
case kind: ObjKind
|
||||
of Record:
|
||||
|
@ -28,20 +30,19 @@ type
|
|||
elemType: TypeInfo
|
||||
navigator: proc (m: MemRange, idx: int): MemRange {. gcsafe
|
||||
noSideEffect
|
||||
raises: [Defect,
|
||||
MalformedSszError] }
|
||||
raisesssz }
|
||||
else:
|
||||
discard
|
||||
|
||||
jsonPrinter: proc (m: MemRange,
|
||||
outStream: OutputStream,
|
||||
pretty: bool) {.gcsafe.}
|
||||
pretty: bool) {.gcsafe, raisesssz.}
|
||||
|
||||
DynamicSszNavigator* = object
|
||||
m: MemRange
|
||||
typ: TypeInfo
|
||||
|
||||
proc jsonPrinterImpl[T](m: MemRange, outStream: OutputStream, pretty: bool) =
|
||||
proc jsonPrinterImpl[T](m: MemRange, outStream: OutputStream, pretty: bool) {.raisesssz.} =
|
||||
var typedNavigator = sszMount(m, T)
|
||||
var jsonWriter = init(JsonWriter, outStream, pretty)
|
||||
# TODO: it should be possible to serialize the navigator object
|
||||
|
@ -55,12 +56,12 @@ func findField(fields: seq[FieldInfo], name: string): FieldInfo =
|
|||
if field.name == name:
|
||||
return field
|
||||
|
||||
func indexableNavigatorImpl[T](m: MemRange, idx: int): MemRange =
|
||||
func indexableNavigatorImpl[T](m: MemRange, idx: int): MemRange {.raisesssz.} =
|
||||
var typedNavigator = sszMount(m, T)
|
||||
getMemRange(typedNavigator[idx])
|
||||
|
||||
func fieldNavigatorImpl[RecordType; FieldType;
|
||||
fieldName: static string](m: MemRange): MemRange {.raises: [MalformedSszError].} =
|
||||
fieldName: static string](m: MemRange): MemRange {.raisesssz.} =
|
||||
# TODO: Make sure this doesn't fail with a Defect when
|
||||
# navigating to an inactive field in a case object.
|
||||
var typedNavigator = sszMount(m, RecordType)
|
||||
|
@ -97,12 +98,12 @@ func genTypeInfo(T: type): TypeInfo =
|
|||
|
||||
result.jsonPrinter = jsonPrinterImpl[T]
|
||||
|
||||
func `[]`*(n: DynamicSszNavigator, idx: int): DynamicSszNavigator =
|
||||
func `[]`*(n: DynamicSszNavigator, idx: int): DynamicSszNavigator {.raisesssz.} =
|
||||
doAssert n.typ.kind == Indexable
|
||||
DynamicSszNavigator(m: n.typ.navigator(n.m, idx), typ: n.typ.elemType)
|
||||
|
||||
func navigate*(n: DynamicSszNavigator, path: string): DynamicSszNavigator {.
|
||||
raises: [Defect, ValueError, MalformedSszError] .} =
|
||||
raises: [Defect, KeyError, IOError, MalformedSszError, SszSizeMismatchError, ValueError] .} =
|
||||
case n.typ.kind
|
||||
of Record:
|
||||
let fieldInfo = n.typ.fields.findField(path)
|
||||
|
@ -129,11 +130,11 @@ template navigatePathImpl(nav, iterabalePathFragments: untyped) =
|
|||
return
|
||||
|
||||
func navigatePath*(n: DynamicSszNavigator, path: string): DynamicSszNavigator {.
|
||||
raises: [Defect, ValueError, MalformedSszError] .} =
|
||||
raises: [Defect, IOError, ValueError, MalformedSszError, SszSizeMismatchError] .} =
|
||||
navigatePathImpl n, split(path, '/')
|
||||
|
||||
func navigatePath*(n: DynamicSszNavigator, path: openarray[string]): DynamicSszNavigator {.
|
||||
raises: [Defect, ValueError, MalformedSszError] .} =
|
||||
raises: [Defect, IOError, ValueError, MalformedSszError, SszSizeMismatchError] .} =
|
||||
navigatePathImpl n, path
|
||||
|
||||
func init*(T: type DynamicSszNavigator,
|
||||
|
@ -141,10 +142,10 @@ func init*(T: type DynamicSszNavigator,
|
|||
T(m: MemRange(startAddr: unsafeAddr bytes[0], length: bytes.len),
|
||||
typ: typeInfo(Navigated))
|
||||
|
||||
proc writeJson*(n: DynamicSszNavigator, outStream: OutputStream, pretty = true) =
|
||||
proc writeJson*(n: DynamicSszNavigator, outStream: OutputStream, pretty = true) {.raisesssz.} =
|
||||
n.typ.jsonPrinter(n.m, outStream, pretty)
|
||||
|
||||
func toJson*(n: DynamicSszNavigator, pretty = true): string =
|
||||
func toJson*(n: DynamicSszNavigator, pretty = true): string {.raisesssz.} =
|
||||
var outStream = memoryOutput()
|
||||
{.noSideEffect.}:
|
||||
# We are assuming that there are no side-effects here
|
||||
|
@ -154,4 +155,3 @@ func toJson*(n: DynamicSszNavigator, pretty = true): string =
|
|||
# from a file or a network device.
|
||||
writeJson(n, outStream, pretty)
|
||||
outStream.getOutput(string)
|
||||
|
||||
|
|
|
@ -1,3 +1,6 @@
|
|||
{.push raises: [Defect].}
|
||||
{.pragma: raisesssz, raises: [Defect, MalformedSszError, SszSizeMismatchError].}
|
||||
|
||||
import
|
||||
stew/[ptrops, objects], stew/ranges/ptr_arith,
|
||||
./types, ./bytes_reader
|
||||
|
@ -35,7 +38,7 @@ template toOpenArray(m: MemRange): auto =
|
|||
|
||||
func navigateToField*[T](n: SszNavigator[T],
|
||||
fieldName: static string,
|
||||
FieldType: type): SszNavigator[FieldType] =
|
||||
FieldType: type): SszNavigator[FieldType] {.raisesssz.} =
|
||||
mixin toSszType
|
||||
type SszFieldType = type toSszType(default FieldType)
|
||||
|
||||
|
@ -67,7 +70,7 @@ template `.`*[T](n: SszNavigator[T], field: untyped): auto =
|
|||
type FieldType = type(default(RecType).field)
|
||||
navigateToField(n, astToStr(field), FieldType)
|
||||
|
||||
func indexVarSizeList(m: MemRange, idx: int): MemRange =
|
||||
func indexVarSizeList(m: MemRange, idx: int): MemRange {.raisesssz.} =
|
||||
template readOffset(pos): int =
|
||||
int fromSszBytes(uint32, makeOpenArray(offset(m.startAddr, pos), offsetSize))
|
||||
|
||||
|
@ -114,7 +117,7 @@ template `[]`*[T](n: SszNavigator[seq[T]], idx: int): SszNavigator[T] =
|
|||
template `[]`*[R, T](n: SszNavigator[array[R, T]], idx: int): SszNavigator[T] =
|
||||
indexList(n, idx, T)
|
||||
|
||||
func `[]`*[T](n: SszNavigator[T]): T =
|
||||
func `[]`*[T](n: SszNavigator[T]): T {.raisesssz.} =
|
||||
mixin toSszType, fromSszBytes
|
||||
type SszRepr = type(toSszType default(T))
|
||||
when type(SszRepr) is type(T):
|
||||
|
@ -122,6 +125,6 @@ func `[]`*[T](n: SszNavigator[T]): T =
|
|||
else:
|
||||
fromSszBytes(T, toOpenArray(n.m))
|
||||
|
||||
converter derefNavigator*[T](n: SszNavigator[T]): T =
|
||||
converter derefNavigator*[T](n: SszNavigator[T]): T {.raisesssz.} =
|
||||
n[]
|
||||
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
tables, options,
|
||||
stew/shims/macros, stew/[objects, bitseqs],
|
||||
|
@ -185,9 +187,12 @@ proc fieldInfos*(RecordType: type): seq[tuple[name: string,
|
|||
fieldOffset = val[]
|
||||
val[] += fieldSize
|
||||
do:
|
||||
try:
|
||||
let parentBranch = nestedUnder.getOrDefault(fieldCaseDiscriminator, "")
|
||||
fieldOffset = offsetInBranch[parentBranch]
|
||||
offsetInBranch[branchKey] = fieldOffset + fieldSize
|
||||
except KeyError as e:
|
||||
raiseAssert e.msg
|
||||
|
||||
result.add((fieldName, fieldOffset, fixedSize, branchKey))
|
||||
|
||||
|
|
|
@ -30,6 +30,8 @@
|
|||
# improvements to be made - other than that, keep things similar to spec for
|
||||
# now.
|
||||
|
||||
{.push raises: [Defect].}
|
||||
|
||||
import
|
||||
chronicles,
|
||||
./extras, ./ssz, metrics,
|
||||
|
@ -95,11 +97,17 @@ proc process_slots*(state: var BeaconState, slot: Slot) {.nbench.}=
|
|||
let is_epoch_transition = (state.slot + 1) mod SLOTS_PER_EPOCH == 0
|
||||
if is_epoch_transition:
|
||||
# Note: Genesis epoch = 0, no need to test if before Genesis
|
||||
try:
|
||||
beacon_previous_validators.set(get_epoch_validator_count(state))
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
process_epoch(state)
|
||||
state.slot += 1
|
||||
if is_epoch_transition:
|
||||
try:
|
||||
beacon_current_validators.set(get_epoch_validator_count(state))
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.11.1/specs/phase0/beacon-chain.md#verify_block_signature
|
||||
proc verify_block_signature*(
|
||||
|
@ -234,11 +242,17 @@ proc process_slots*(state: var HashedBeaconState, slot: Slot) =
|
|||
let is_epoch_transition = (state.data.slot + 1) mod SLOTS_PER_EPOCH == 0
|
||||
if is_epoch_transition:
|
||||
# Note: Genesis epoch = 0, no need to test if before Genesis
|
||||
try:
|
||||
beacon_previous_validators.set(get_epoch_validator_count(state.data))
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
process_epoch(state.data)
|
||||
state.data.slot += 1
|
||||
if is_epoch_transition:
|
||||
try:
|
||||
beacon_current_validators.set(get_epoch_validator_count(state.data))
|
||||
except Exception as e: # TODO https://github.com/status-im/nim-metrics/pull/22
|
||||
trace "Couldn't update metrics", msg = e.msg
|
||||
state.root = hash_tree_root(state.data)
|
||||
|
||||
proc state_transition*(
|
||||
|
|
|
@ -44,7 +44,7 @@ proc generateDeposits*(totalValidators: int,
|
|||
if randomKeys:
|
||||
(pubKey, privKey) = crypto.newKeyPair().tryGet()
|
||||
else:
|
||||
privKey = makeInteropPrivKey(i)
|
||||
privKey = makeInteropPrivKey(i).tryGet()
|
||||
pubKey = privKey.toPubKey()
|
||||
|
||||
let dp = makeDeposit(pubKey, privKey)
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.push raises: [Defect].}
|
||||
|
||||
when not defined(nimscript):
|
||||
import times
|
||||
let copyrights* = "Copyright (c) 2019-" & $(now().utc.year) & " Status Research & Development GmbH"
|
||||
|
@ -23,4 +25,3 @@ const
|
|||
|
||||
fullVersionStr* =
|
||||
versionAsStr & " (" & gitRevision & ")"
|
||||
|
||||
|
|
|
@ -9,12 +9,12 @@ import
|
|||
# Standard library
|
||||
std/strformat, std/tables, std/options,
|
||||
# Status libraries
|
||||
stew/[result, endians2],
|
||||
stew/[results, endians2],
|
||||
# Internals
|
||||
../../beacon_chain/spec/[datatypes, digest],
|
||||
../../beacon_chain/fork_choice/[fork_choice, fork_choice_types]
|
||||
|
||||
export result, datatypes, digest, fork_choice, fork_choice_types, tables, options
|
||||
export results, datatypes, digest, fork_choice, fork_choice_types, tables, options
|
||||
|
||||
func fakeHash*(index: SomeInteger): Eth2Digest =
|
||||
## Create fake hashes
|
||||
|
|
|
@ -119,7 +119,7 @@ suiteReport "Interop":
|
|||
timedTest "Mocked start private key":
|
||||
for i, k in privateKeys:
|
||||
let
|
||||
key = makeInteropPrivKey(i)
|
||||
key = makeInteropPrivKey(i)[]
|
||||
v = k.parse(UInt256, 16)
|
||||
|
||||
check:
|
||||
|
@ -144,7 +144,7 @@ suiteReport "Interop":
|
|||
|
||||
for i in 0..<64:
|
||||
let
|
||||
privKey = makeInteropPrivKey(i)
|
||||
privKey = makeInteropPrivKey(i)[]
|
||||
deposits.add(makeDeposit(privKey.toPubKey(), privKey))
|
||||
|
||||
const genesis_time = 1570500000
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
{.used.}
|
||||
|
||||
import unittest
|
||||
import chronos
|
||||
import ../beacon_chain/sync_manager
|
||||
|
|
|
@ -1 +1 @@
|
|||
Subproject commit 114cdccaa087c54abcc4dad9ed3366af247de79e
|
||||
Subproject commit 3e7f422f11754732df673ed280389024e1ed3cb1
|
Loading…
Reference in New Issue