The core protocol of WoopChain
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woop/block/header.go

100 lines
2.9 KiB

package block
import (
[double-sign] Provide proof of double sign in slash record sent to beaconchain (#2253) * [double-sign] Commit changes in consensus needed for double-sign * [double-sign] Leader captures when valdator double signs, broadcasts to beaconchain * [slash] Add quick iteration tool for testing double-signing * [slash] Add webhook example * [slash] Add http server for hook to trigger double sign behavior * [double-sign] Use bin/trigger-double-sign to cause a double-sign * [double-sign] Full feedback loop working * [slash] Thread through the slash records in the block proposal step * [slash] Compute the slashing rate * [double-sign] Generalize yaml malicious for many keys * [double-sign][slash] Modify data structures, verify via webhook handler * [slash][double-sign] Find one address of bls public key signer, seemingly settle on data structures * [slash] Apply to state slashing for double signing * [slash][double-sign] Checkpoint for working code that slashes on beaconchain * [slash] Keep track of the total slash and total reporters reward * [slash] Dump account state before and after the slash * [slash] Satisfy Travis * [slash][state] Apply slash to the snapshot at beginning of epoch, now need to capture also the new delegates * [slash] Capture the unique new delegations since snapshot as well * [slash] Filter undelegation by epoch of double sign * [slash] Add TODO of correctness needed in slash needs on off-chain data * [rpc] Fix closure issue on shardID * [slash] Add delegator to double-sign testing script * [slash] Expand crt-validator.sh with commenting printfs and make delegation * [slash] Finish track payment of leftover slash debt after undelegation runs out * [slash] Now be explicit about error wrt delegatorSlashApply * [slash] Capture specific sanity check on slash paidoff * [slash] Track slash from undelegation piecemeal * [slash][delegation] Named slice types, .String() * [slash] Do no RLP encode twice, once is enough * [slash] Remove special case of validators own delegation * [slash] Refactor approach to slash state application * [slash] Begin expanding out Verify * [slash] Slash on snapshot delegations, not current * [slash] Fix Epoch Cmp * [slash] Third iteration on slash logic * [slash] Use full slash amount * [slash] More log, whitespace * [slash] Remove Println, add log * [slash] Remove debug Println * [slash] Add record in unit test * [slash] Build Validator snapshot, current. Fill out slash record * [slash] Need to get RLP dump of a header to use in test * [slash] Factor out double sign test constants * [slash] Factor out common for validator, stub out slash application, finish out deserialization setup * [slash] Factor out data structure creation because of var lexical scoping * [slash] Seem to have pipeline of unit test e2e executing * [slash] Add expected snitch, slash amounts * [slash] Checkpoint * [slash] Unit test correctly checks case of validator own stake which could drop below 1 ONE in slashing * [config] add double-sign testnet config (#1) Signed-off-by: Leo Chen <leo@harmony.one> * [slash] Commit for as is code & data of current dump.json * [slash] Order of state operation not correct in test, hence bad results, thank you dlv * [slash] Add snapshot state dump * [slash] Pay off slash of validator own delegation correctly * [slash] Pay off slash debt with special case for min-self * [slash] Pass first scenario conclusively * [slash] 2% slash passes unit test for own delegation and external * [slash] Parameterize unit test to easily test .02 vs .80 slash * [slash] Handle own delegation correctly at 80% slash * [slash] Have 80% slash working with external delegator * [slash] Remove debug code from slash * [slash] Adjust Apply signature, test again for 2% slash * [slash] Factor out scenario in testing so can test 2% and 80% at same time * [slash] Correct balance deduction on plan delegation * [slash] Mock out ChainReader for TestVerify * [slash] Small surface area interface, now feedback loop for verify * [slash] Remove development json * [slash] trigger-double-sign consumes yaml * [slash] Remove dead code * [slash][test] Factor ValidatorWrapper into scenario * [slash][test] Add example from local-testing dump - caution might be off * [slash] Factor out mutation of slashDebt * [slash][test] Factor out tests so can easily load test-case from bytes * [slash] Fix payment mistake in validator own delegation wrt min-self-delgation respected * [slash] Satisfy Travis * [slash] Begin cleanup of PR * [slash] Apply slash from header to Finalize via state processor * [slash] Productionize code, Println => logs; adjust slash picked in newblock * [slash] Need pointer for rlp.Decode * [slash] ValidatorInformation use full wrapper * Fix median stake * [staking] Adjust MarshalJSON for Validator, Wrapper * Refactor offchain data commit; Make block onchain/offchain commit atomic (#2279) * Refactor offchain data; Add epoch to ValidatorSnapshot * Make block onchain/offchain data commit atomically * [slash][committee] Set .Active to false on double sign, do not consider banned or inactive for committee assignment * [effective] VC eligible.go * [consensus] Redundant field in printf * [docker] import-ks for a dev account * [slash] Create BLS key for dockerfile and crt-validator.sh * [slash][docker] Easy deployment of double-sign testing * [docker] Have slash work as single docker command * [rpc] Fix median-stake RPC * [slash] Update webhook with default docker BLS key * [docker][slash] Fresh yaml copy for docker build, remove dev code in main.go * [slash] Remove helper binary, commented out code, change to local config * [params] Factor out test genesis value * Add shard checking to Tx-Pool & correct blacklist (#2301) * [core] Fix blacklist & add shardID check * [staking + node + cmd] Fix blacklist & add shardID check * [slash] Adjust to PR comments part 1 * [docker] Use different throw away funded account * [docker] Create easier testing for delegation with private keys * [docker] Update yaml * [slash] Remove special case for slashing validator own delegation wrt min-self-delegate * [docker] Install nano as well * [slash] Early error if banned * [quorum] Expose earning account in decider marshal json * Revert "Refactor offchain data commit; Make block onchain/offchain commit atomic (#2279)" This reverts commit 9ffbf682c075b49188923c65a0bbf39ac188be00. * [slash] Add non-sanity check way to update validator * [reward] Increase percision on percentage in schedule * [slash] Adjust logs * [committee] Check eligibility of validator before doing sanity check * [slash] Update docker * [slash] Move create validator script to test * [slash] More log * [param] Make things faster * [slash][off-chain] Clear out slashes from pending in writeblockwithstate * [cross-link] Log is not error, just info * [blockchain] Not necessary to guard DeletePendingSlashingCandidates * [slash][consensus] Use plain []byte for signature b/c bls.Sign has private impl fields, rlp does not encode that * [slash][test] Use faucet as sender, assume user imported * [slash] Test setup * [slash] reserve error for real error in logs * [slash][availability] Apply availability correct, bump signing count each block * [slash][staking] Consider banned field in sanity check, pay snitch only half of what was actually slashed * [slash] Pay as much as can * [slash] use right nowAmt * [slash] Take away from rewards as well * [slash] iterate faster * [slash] Remove dev based timing * [slash] Add more log, sanity check incoming slash records, only count external for slash rate * [availability][state] Adjust signature of ValidatorWrapper wrt state, filter out for staked validators, correct availaibility measure on running counters * [availability] More log * [slash] Simply pre slash erra slashing * [slash] Remove development code * [slash] Use height from recvMsg, todo on epoch * [staking] Not necessary to touch LastEpochInCommittee in staking_verifier * [slash] Undo ds in endpoint pattern config * [slash] Add TODO and log when delegation becomes 0 b/c slash debt payment * [slash] Abstract staked validators from shard.State into type, set slash rate based BLSKey count Co-authored-by: Leo Chen <leo@harmony.one> Co-authored-by: flicker-harmony <52401354+flicker-harmony@users.noreply.github.com> Co-authored-by: Rongjian Lan <rongjian@harmony.one> Co-authored-by: Daniel Van Der Maden <daniel@harmony.one>
5 years ago
"fmt"
"io"
"reflect"
ethcommon "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"github.com/harmony-one/taggedrlp"
"github.com/pkg/errors"
"github.com/rs/zerolog"
blockif "github.com/harmony-one/harmony/block/interface"
v0 "github.com/harmony-one/harmony/block/v0"
v1 "github.com/harmony-one/harmony/block/v1"
v2 "github.com/harmony-one/harmony/block/v2"
v3 "github.com/harmony-one/harmony/block/v3"
"github.com/harmony-one/harmony/crypto/hash"
)
// Header represents a block header in the Harmony blockchain.
type Header struct {
blockif.Header
}
// EncodeRLP encodes the header using tagged RLP representation.
func (h *Header) EncodeRLP(w io.Writer) error {
return HeaderRegistry.Encode(w, h.Header)
}
// DecodeRLP decodes the header using tagged RLP representation.
func (h *Header) DecodeRLP(s *rlp.Stream) error {
decoded, err := HeaderRegistry.Decode(s)
if err != nil {
return err
}
hif, ok := decoded.(blockif.Header)
if !ok {
return errors.Errorf(
"decoded object (type %s) does not implement Header interface",
taggedrlp.TypeName(reflect.TypeOf(decoded)))
}
h.Header = hif
return nil
}
// Hash returns the block hash of the header. This uses HeaderRegistry to
// choose and return the right tagged RLP form of the header.
func (h *Header) Hash() ethcommon.Hash {
return hash.FromRLP(h)
}
[double-sign] Provide proof of double sign in slash record sent to beaconchain (#2253) * [double-sign] Commit changes in consensus needed for double-sign * [double-sign] Leader captures when valdator double signs, broadcasts to beaconchain * [slash] Add quick iteration tool for testing double-signing * [slash] Add webhook example * [slash] Add http server for hook to trigger double sign behavior * [double-sign] Use bin/trigger-double-sign to cause a double-sign * [double-sign] Full feedback loop working * [slash] Thread through the slash records in the block proposal step * [slash] Compute the slashing rate * [double-sign] Generalize yaml malicious for many keys * [double-sign][slash] Modify data structures, verify via webhook handler * [slash][double-sign] Find one address of bls public key signer, seemingly settle on data structures * [slash] Apply to state slashing for double signing * [slash][double-sign] Checkpoint for working code that slashes on beaconchain * [slash] Keep track of the total slash and total reporters reward * [slash] Dump account state before and after the slash * [slash] Satisfy Travis * [slash][state] Apply slash to the snapshot at beginning of epoch, now need to capture also the new delegates * [slash] Capture the unique new delegations since snapshot as well * [slash] Filter undelegation by epoch of double sign * [slash] Add TODO of correctness needed in slash needs on off-chain data * [rpc] Fix closure issue on shardID * [slash] Add delegator to double-sign testing script * [slash] Expand crt-validator.sh with commenting printfs and make delegation * [slash] Finish track payment of leftover slash debt after undelegation runs out * [slash] Now be explicit about error wrt delegatorSlashApply * [slash] Capture specific sanity check on slash paidoff * [slash] Track slash from undelegation piecemeal * [slash][delegation] Named slice types, .String() * [slash] Do no RLP encode twice, once is enough * [slash] Remove special case of validators own delegation * [slash] Refactor approach to slash state application * [slash] Begin expanding out Verify * [slash] Slash on snapshot delegations, not current * [slash] Fix Epoch Cmp * [slash] Third iteration on slash logic * [slash] Use full slash amount * [slash] More log, whitespace * [slash] Remove Println, add log * [slash] Remove debug Println * [slash] Add record in unit test * [slash] Build Validator snapshot, current. Fill out slash record * [slash] Need to get RLP dump of a header to use in test * [slash] Factor out double sign test constants * [slash] Factor out common for validator, stub out slash application, finish out deserialization setup * [slash] Factor out data structure creation because of var lexical scoping * [slash] Seem to have pipeline of unit test e2e executing * [slash] Add expected snitch, slash amounts * [slash] Checkpoint * [slash] Unit test correctly checks case of validator own stake which could drop below 1 ONE in slashing * [config] add double-sign testnet config (#1) Signed-off-by: Leo Chen <leo@harmony.one> * [slash] Commit for as is code & data of current dump.json * [slash] Order of state operation not correct in test, hence bad results, thank you dlv * [slash] Add snapshot state dump * [slash] Pay off slash of validator own delegation correctly * [slash] Pay off slash debt with special case for min-self * [slash] Pass first scenario conclusively * [slash] 2% slash passes unit test for own delegation and external * [slash] Parameterize unit test to easily test .02 vs .80 slash * [slash] Handle own delegation correctly at 80% slash * [slash] Have 80% slash working with external delegator * [slash] Remove debug code from slash * [slash] Adjust Apply signature, test again for 2% slash * [slash] Factor out scenario in testing so can test 2% and 80% at same time * [slash] Correct balance deduction on plan delegation * [slash] Mock out ChainReader for TestVerify * [slash] Small surface area interface, now feedback loop for verify * [slash] Remove development json * [slash] trigger-double-sign consumes yaml * [slash] Remove dead code * [slash][test] Factor ValidatorWrapper into scenario * [slash][test] Add example from local-testing dump - caution might be off * [slash] Factor out mutation of slashDebt * [slash][test] Factor out tests so can easily load test-case from bytes * [slash] Fix payment mistake in validator own delegation wrt min-self-delgation respected * [slash] Satisfy Travis * [slash] Begin cleanup of PR * [slash] Apply slash from header to Finalize via state processor * [slash] Productionize code, Println => logs; adjust slash picked in newblock * [slash] Need pointer for rlp.Decode * [slash] ValidatorInformation use full wrapper * Fix median stake * [staking] Adjust MarshalJSON for Validator, Wrapper * Refactor offchain data commit; Make block onchain/offchain commit atomic (#2279) * Refactor offchain data; Add epoch to ValidatorSnapshot * Make block onchain/offchain data commit atomically * [slash][committee] Set .Active to false on double sign, do not consider banned or inactive for committee assignment * [effective] VC eligible.go * [consensus] Redundant field in printf * [docker] import-ks for a dev account * [slash] Create BLS key for dockerfile and crt-validator.sh * [slash][docker] Easy deployment of double-sign testing * [docker] Have slash work as single docker command * [rpc] Fix median-stake RPC * [slash] Update webhook with default docker BLS key * [docker][slash] Fresh yaml copy for docker build, remove dev code in main.go * [slash] Remove helper binary, commented out code, change to local config * [params] Factor out test genesis value * Add shard checking to Tx-Pool & correct blacklist (#2301) * [core] Fix blacklist & add shardID check * [staking + node + cmd] Fix blacklist & add shardID check * [slash] Adjust to PR comments part 1 * [docker] Use different throw away funded account * [docker] Create easier testing for delegation with private keys * [docker] Update yaml * [slash] Remove special case for slashing validator own delegation wrt min-self-delegate * [docker] Install nano as well * [slash] Early error if banned * [quorum] Expose earning account in decider marshal json * Revert "Refactor offchain data commit; Make block onchain/offchain commit atomic (#2279)" This reverts commit 9ffbf682c075b49188923c65a0bbf39ac188be00. * [slash] Add non-sanity check way to update validator * [reward] Increase percision on percentage in schedule * [slash] Adjust logs * [committee] Check eligibility of validator before doing sanity check * [slash] Update docker * [slash] Move create validator script to test * [slash] More log * [param] Make things faster * [slash][off-chain] Clear out slashes from pending in writeblockwithstate * [cross-link] Log is not error, just info * [blockchain] Not necessary to guard DeletePendingSlashingCandidates * [slash][consensus] Use plain []byte for signature b/c bls.Sign has private impl fields, rlp does not encode that * [slash][test] Use faucet as sender, assume user imported * [slash] Test setup * [slash] reserve error for real error in logs * [slash][availability] Apply availability correct, bump signing count each block * [slash][staking] Consider banned field in sanity check, pay snitch only half of what was actually slashed * [slash] Pay as much as can * [slash] use right nowAmt * [slash] Take away from rewards as well * [slash] iterate faster * [slash] Remove dev based timing * [slash] Add more log, sanity check incoming slash records, only count external for slash rate * [availability][state] Adjust signature of ValidatorWrapper wrt state, filter out for staked validators, correct availaibility measure on running counters * [availability] More log * [slash] Simply pre slash erra slashing * [slash] Remove development code * [slash] Use height from recvMsg, todo on epoch * [staking] Not necessary to touch LastEpochInCommittee in staking_verifier * [slash] Undo ds in endpoint pattern config * [slash] Add TODO and log when delegation becomes 0 b/c slash debt payment * [slash] Abstract staked validators from shard.State into type, set slash rate based BLSKey count Co-authored-by: Leo Chen <leo@harmony.one> Co-authored-by: flicker-harmony <52401354+flicker-harmony@users.noreply.github.com> Co-authored-by: Rongjian Lan <rongjian@harmony.one> Co-authored-by: Daniel Van Der Maden <daniel@harmony.one>
5 years ago
// String ..
func (h *Header) String() string {
return fmt.Sprintf(
"[ShardID:%v Hash:%s Num:%v View:%v Epoch:%v]",
h.ShardID(), h.Hash().Hex(), h.Number(), h.ViewID(), h.Epoch(),
)
}
// Logger returns a sub-logger with block contexts added.
func (h *Header) Logger(logger *zerolog.Logger) *zerolog.Logger {
nlogger := logger.With().
Str("blockHash", h.Hash().Hex()).
Uint32("blockShard", h.ShardID()).
Uint64("blockEpoch", h.Epoch().Uint64()).
Uint64("blockNumber", h.Number().Uint64()).
Logger()
return &nlogger
}
// With returns a field setter context for the header.
//
// Call a chain of setters on the returned field setter, followed by a call of
// Header method. Example:
//
// header := NewHeader(epoch).With().
// ParentHash(parent.Hash()).
// ShardID(parent.ShardID()).
// Number(new(big.Int).Add(parent.Number(), big.NewInt(1)).
// Header()
func (h *Header) With() HeaderFieldSetter {
return HeaderFieldSetter{h: h}
}
// HeaderRegistry is the taggedrlp type registry for versioned headers.
var HeaderRegistry = taggedrlp.NewRegistry()
func init() {
HeaderRegistry.MustRegister(taggedrlp.LegacyTag, v0.NewHeader())
HeaderRegistry.MustAddFactory(func() interface{} { return v0.NewHeader() })
HeaderRegistry.MustRegister("v1", v1.NewHeader())
HeaderRegistry.MustAddFactory(func() interface{} { return v1.NewHeader() })
HeaderRegistry.MustRegister("v2", v2.NewHeader())
HeaderRegistry.MustAddFactory(func() interface{} { return v2.NewHeader() })
HeaderRegistry.MustRegister("v3", v3.NewHeader())
HeaderRegistry.MustAddFactory(func() interface{} { return v3.NewHeader() })
}