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Unsigned timestamps and blob gas used (#6046)
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* lots of places an unsigned timestamp is a problem
* adds unchecked annotations to OptionalUnsignedLong rpc parameter type

---------

Signed-off-by: Justin Florentine <[email protected]>
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jflo authored Oct 18, 2023
1 parent 03a8335 commit a90ea05
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Showing 12 changed files with 27 additions and 34 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -594,7 +594,8 @@ && isDescendantOf(newHead, blockchain.getChainHeadHeader())) {

Optional<BlockHeader> parentOfNewHead = blockchain.getBlockHeader(newHead.getParentHash());
if (parentOfNewHead.isPresent()
&& parentOfNewHead.get().getTimestamp() >= newHead.getTimestamp()) {
&& Long.compareUnsigned(newHead.getTimestamp(), parentOfNewHead.get().getTimestamp())
<= 0) {
return ForkchoiceResult.withFailure(
INVALID, "new head timestamp not greater than parent", latestValid);
}
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Expand Up @@ -140,7 +140,7 @@ public JsonRpcResponse syncResponse(final JsonRpcRequestContext requestContext)
.map(WithdrawalParameter::toWithdrawal)
.collect(toList())));
Optional<JsonRpcErrorResponse> maybeError =
isPayloadAttributesValid(requestId, payloadAttributes, withdrawals);
isPayloadAttributesValid(requestId, payloadAttributes);
if (maybeError.isPresent()) {
LOG.atWarn()
.setMessage("RpcError {}: {}")
Expand Down Expand Up @@ -229,9 +229,7 @@ public JsonRpcResponse syncResponse(final JsonRpcRequestContext requestContext)
}

protected abstract Optional<JsonRpcErrorResponse> isPayloadAttributesValid(
final Object requestId,
final EnginePayloadAttributesParameter payloadAttributes,
final Optional<List<Withdrawal>> maybeWithdrawals);
final Object requestId, final EnginePayloadAttributesParameter payloadAttribute);

protected Optional<JsonRpcErrorResponse> isPayloadAttributeRelevantToNewHead(
final Object requestId,
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Expand Up @@ -267,7 +267,8 @@ public JsonRpcResponse syncResponse(final JsonRpcRequestContext requestContext)
}

if (maybeParentHeader.isPresent()
&& (blockParam.getTimestamp() <= maybeParentHeader.get().getTimestamp())) {
&& (Long.compareUnsigned(maybeParentHeader.get().getTimestamp(), blockParam.getTimestamp())
>= 0)) {
return respondWithInvalid(
reqId,
blockParam,
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Expand Up @@ -20,10 +20,8 @@
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.EnginePayloadAttributesParameter;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
import org.hyperledger.besu.ethereum.core.Withdrawal;
import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;

import java.util.List;
import java.util.Optional;

import io.vertx.core.Vertx;
Expand All @@ -41,9 +39,7 @@ public EngineForkchoiceUpdatedV1(

@Override
protected Optional<JsonRpcErrorResponse> isPayloadAttributesValid(
final Object requestId,
final EnginePayloadAttributesParameter payloadAttributes,
final Optional<List<Withdrawal>> maybeWithdrawals) {
final Object requestId, final EnginePayloadAttributesParameter payloadAttributes) {
return Optional.empty();
}

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Expand Up @@ -20,10 +20,8 @@
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.EnginePayloadAttributesParameter;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
import org.hyperledger.besu.ethereum.core.Withdrawal;
import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;

import java.util.List;
import java.util.Optional;

import io.vertx.core.Vertx;
Expand Down Expand Up @@ -52,9 +50,7 @@ public String getName() {

@Override
protected Optional<JsonRpcErrorResponse> isPayloadAttributesValid(
final Object requestId,
final EnginePayloadAttributesParameter payloadAttributes,
final Optional<List<Withdrawal>> maybeWithdrawals) {
final Object requestId, final EnginePayloadAttributesParameter payloadAttributes) {
if (payloadAttributes.getTimestamp() >= cancunTimestamp) {
if (payloadAttributes.getParentBeaconBlockRoot() == null
|| payloadAttributes.getParentBeaconBlockRoot().isEmpty()) {
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Expand Up @@ -21,12 +21,10 @@
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.EnginePayloadAttributesParameter;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
import org.hyperledger.besu.ethereum.core.Withdrawal;
import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
import org.hyperledger.besu.ethereum.mainnet.ScheduledProtocolSpec;
import org.hyperledger.besu.ethereum.mainnet.ValidationResult;

import java.util.List;
import java.util.Optional;

import io.vertx.core.Vertx;
Expand Down Expand Up @@ -91,9 +89,7 @@ protected ValidationResult<RpcErrorType> validateForkSupported(final long blockT

@Override
protected Optional<JsonRpcErrorResponse> isPayloadAttributesValid(
final Object requestId,
final EnginePayloadAttributesParameter payloadAttributes,
final Optional<List<Withdrawal>> maybeWithdrawals) {
final Object requestId, final EnginePayloadAttributesParameter payloadAttributes) {
if (payloadAttributes.getParentBeaconBlockRoot() == null) {
LOG.error(
"Parent beacon block root hash not present in payload attributes after cancun hardfork");
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Expand Up @@ -71,7 +71,8 @@ protected ValidationResult<RpcErrorType> validateParameters(
@Override
protected ValidationResult<RpcErrorType> validateForkSupported(final long blockTimestamp) {
if (protocolSchedule.isPresent()) {
if (cancun.isPresent() && blockTimestamp >= cancun.get().milestone()) {
if (cancun.isPresent()
&& Long.compareUnsigned(blockTimestamp, cancun.get().milestone()) >= 0) {
return ValidationResult.valid();
} else {
return ValidationResult.invalid(
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Expand Up @@ -17,25 +17,28 @@
import static com.google.common.base.Preconditions.checkArgument;

import com.fasterxml.jackson.annotation.JsonCreator;
import org.checkerframework.checker.signedness.qual.Unsigned;

public class UnsignedLongParameter {

private final long value;
@Unsigned private final long value;

@JsonCreator
public UnsignedLongParameter(final String value) {
checkArgument(value != null);
this.value = Long.decode(value);
checkArgument(this.value >= 0);
if (value.startsWith("0x")) {
this.value = Long.parseUnsignedLong(value.substring(2), 16);
} else {
this.value = Long.parseUnsignedLong(value, 16);
}
}

@JsonCreator
public UnsignedLongParameter(final long value) {
public UnsignedLongParameter(final @Unsigned long value) {
this.value = value;
checkArgument(this.value >= 0);
}

public long getValue() {
public @Unsigned long getValue() {
return value;
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -238,7 +238,6 @@ private void validateProcessableBlockHeader() {
checkState(this.difficulty != null, "Missing block difficulty");
checkState(this.number > -1L, "Missing block number");
checkState(this.gasLimit > -1L, "Missing gas limit");
checkState(this.timestamp > -1L, "Missing timestamp");
}

private void validateSealableBlockHeader() {
Expand Down Expand Up @@ -360,7 +359,6 @@ public BlockHeaderBuilder gasUsed(final long gasUsed) {
}

public BlockHeaderBuilder timestamp(final long timestamp) {
checkArgument(timestamp >= 0);
this.timestamp = timestamp;
return this;
}
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Expand Up @@ -18,6 +18,8 @@
import org.hyperledger.besu.evm.account.MutableAccount;
import org.hyperledger.besu.evm.worldstate.WorldUpdater;

import com.google.common.primitives.Longs;
import org.apache.tuweni.bytes.Bytes;
import org.apache.tuweni.bytes.Bytes32;
import org.apache.tuweni.units.bigints.UInt256;

Expand All @@ -34,14 +36,15 @@ static void storeParentBeaconBlockRoot(
/*
see EIP-4788: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-4788.md
*/
final long timestampReduced = timestamp % HISTORY_BUFFER_LENGTH;
final long timestampReduced = Long.remainderUnsigned(timestamp, HISTORY_BUFFER_LENGTH);
final long timestampExtended = timestampReduced + HISTORY_BUFFER_LENGTH;

final UInt256 timestampIndex = UInt256.valueOf(timestampReduced);
final UInt256 rootIndex = UInt256.valueOf(timestampExtended);

final MutableAccount account = worldUpdater.getOrCreate(BEACON_ROOTS_ADDRESS);
account.setStorageValue(timestampIndex, UInt256.valueOf(timestamp));
account.setStorageValue(
timestampIndex, UInt256.fromBytes(Bytes.of(Longs.toByteArray(timestamp))));
account.setStorageValue(rootIndex, UInt256.fromBytes(root));
worldUpdater.commit();
}
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Expand Up @@ -62,7 +62,7 @@ private TimestampProtocolSpec(final long timestamp, final ProtocolSpec protocolS

@Override
public boolean isOnOrAfterMilestoneBoundary(final ProcessableBlockHeader header) {
return header.getTimestamp() >= timestamp;
return Long.compareUnsigned(header.getTimestamp(), timestamp) >= 0;
}

@Override
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Expand Up @@ -28,6 +28,6 @@ public boolean validate(
final long blockTimestamp = header.getTimestamp();
final long parentTimestamp = parent.getTimestamp();

return blockTimestamp > parentTimestamp;
return Long.compareUnsigned(blockTimestamp, parentTimestamp) > 0;
}
}

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