mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 05:27:19 +00:00
754 lines
38 KiB
Go
754 lines
38 KiB
Go
package aura
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import (
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"container/list"
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"fmt"
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"math"
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"sort"
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"sync"
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lru "github.com/hashicorp/golang-lru"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/consensus"
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"github.com/ledgerwatch/erigon/consensus/aura/aurainterfaces"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/log"
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"github.com/ledgerwatch/erigon/rlp"
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"go.uber.org/atomic"
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)
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//nolint
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type CallResults struct {
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data []byte
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proof [][]byte
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execError string
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}
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// Type alias for a function we can make calls through synchronously.
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// Returns the call result and state proof for each call.
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type Call func(common.Address, []byte) (CallResults, error)
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// A system-calling closure. Enacts calls on a block's state from the system address.
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type SystemCall func(common.Address, []byte) (CallResults, error)
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type client interface {
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CallAtBlockHash(common.Hash, common.Address, []byte) (CallResults, error)
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CallAtLatestBlock(common.Address, []byte) (CallResults, error)
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SystemCallAtBlockHash(blockHash common.Hash, contract common.Address, data []byte) (CallResults, error)
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}
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type ValidatorSet interface {
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// Get the default "Call" helper, for use in general operation.
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// TODO [keorn]: this is a hack intended to migrate off of
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// a strict dependency on state always being available.
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defaultCaller(blockHash common.Hash) (Call, error)
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// Called for each new block this node is creating. If this block is
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// the first block of an epoch, this is called *after* `on_epoch_begin()`,
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// but with the same parameters.
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//
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// Returns a list of contract calls to be pushed onto the new block.
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//func generateEngineTransactions(_first bool, _header *types.Header, _call SystemCall) -> Result<Vec<(Address, Bytes)>, EthcoreError>
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// Signalling that a new epoch has begun.
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//
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// All calls here will be from the `SYSTEM_ADDRESS`: 2^160 - 2
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// and will have an effect on the block's state.
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// The caller provided here may not generate proofs.
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//
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// `first` is true if this is the first block in the set.
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onEpochBegin(first bool, header *types.Header, caller consensus.SystemCall) error
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// Called on the close of every block.
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onCloseBlock(_header *types.Header, _address common.Address) error
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// Draws an validator nonce modulo number of validators.
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getWithCaller(parentHash common.Hash, nonce uint, caller Call) (common.Address, error)
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// Returns the current number of validators.
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countWithCaller(parentHash common.Hash, caller Call) (uint64, error)
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// Recover the validator set from the given proof, the block number, and
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// whether this header is first in its set.
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//
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// May fail if the given header doesn't kick off an epoch or
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// the proof is invalid.
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//
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// Returns the set, along with a flag indicating whether finality of a specific
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// hash should be proven.
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epochSet(first bool, num uint64, proof []byte) (SimpleList, common.Hash, error)
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// Extract genesis epoch data from the genesis state and header.
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genesisEpochData(header *types.Header, call Call) ([]byte, error)
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/*
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// Returns the current number of validators.
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fn count(&self, parent: &H256) -> usize {
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let default = self.default_caller(BlockId::Hash(*parent));
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self.count_with_caller(parent, &*default)
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}
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// Signalling that a new epoch has begun.
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//
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// All calls here will be from the `SYSTEM_ADDRESS`: 2^160 - 2
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// and will have an effect on the block's state.
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// The caller provided here may not generate proofs.
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//
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// `first` is true if this is the first block in the set.
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fn on_epoch_begin(
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&self,
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_first: bool,
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_header: &Header,
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_call: &mut SystemCall,
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) -> Result<(), ::error::Error> {
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Ok(())
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}
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// Extract genesis epoch data from the genesis state and header.
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fn genesis_epoch_data(&self, _header: &Header, _call: &Call) -> Result<Vec<u8>, String> {
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Ok(Vec::new())
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}
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// Whether this block is the last one in its epoch.
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//
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// Indicates that the validator set changed at the given block in a manner
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// that doesn't require finality.
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//
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// `first` is true if this is the first block in the set.
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fn is_epoch_end(&self, first: bool, chain_head: &Header) -> Option<Vec<u8>>;
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// Whether the given block signals the end of an epoch, but change won't take effect
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// until finality.
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//
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// Engine should set `first` only if the header is genesis. Multiplexing validator
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// sets can set `first` to internal changes.
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fn signals_epoch_end(
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&self,
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first: bool,
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header: &Header,
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aux: AuxiliaryData,
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) -> ::engines::EpochChange<EthereumMachine>;
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// Recover the validator set from the given proof, the block number, and
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// whether this header is first in its set.
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//
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// May fail if the given header doesn't kick off an epoch or
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// the proof is invalid.
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//
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// Returns the set, along with a flag indicating whether finality of a specific
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// hash should be proven.
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fn epoch_set(
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&self,
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first: bool,
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machine: &EthereumMachine,
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number: BlockNumber,
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proof: &[u8],
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) -> Result<(SimpleList, Option<H256>), ::error::Error>;
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// Checks if a given address is a validator, with the given function
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// for executing synchronous calls to contracts.
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fn contains_with_caller(
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&self,
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parent_block_hash: &H256,
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address: &Address,
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caller: &Call,
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) -> bool;
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// Draws an validator nonce modulo number of validators.
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fn get_with_caller(&self, parent_block_hash: &H256, nonce: usize, caller: &Call) -> Address;
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// Notifies about malicious behaviour.
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fn report_malicious(
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&self,
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_validator: &Address,
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_set_block: BlockNumber,
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_block: BlockNumber,
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_proof: Bytes,
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) {
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}
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// Notifies about benign misbehaviour.
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fn report_benign(&self, _validator: &Address, _set_block: BlockNumber, _block: BlockNumber) {}
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*/
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}
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func get(s ValidatorSet, h common.Hash, nonce uint) (common.Address, error) {
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d, err := s.defaultCaller(h)
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if err != nil {
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return common.Address{}, err
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}
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return s.getWithCaller(h, nonce, d)
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}
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func count(s ValidatorSet, h common.Hash) (uint64, error) {
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d, err := s.defaultCaller(h)
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if err != nil {
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return 0, err
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}
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return s.countWithCaller(h, d)
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}
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//nolint
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type MultiItem struct {
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num uint64
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hash common.Hash
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set ValidatorSet
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}
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type Multi struct {
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sorted []MultiItem
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parent func(common.Hash) *types.Header
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}
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func (s *Multi) Less(i, j int) bool { return s.sorted[i].num < s.sorted[j].num }
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func (s *Multi) Len() int { return len(s.sorted) }
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func (s *Multi) Swap(i, j int) { s.sorted[i], s.sorted[j] = s.sorted[j], s.sorted[i] }
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func NewMulti(m map[uint64]ValidatorSet) *Multi {
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if _, ok := m[0]; !ok {
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panic("ValidatorSet has to be specified from block 0")
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}
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list := make([]MultiItem, len(m))
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i := 0
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for n, v := range m {
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list[i] = MultiItem{num: n, set: v}
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i++
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}
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multi := &Multi{sorted: list}
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sort.Sort(multi)
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return multi
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}
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func (s *Multi) defaultCaller(blockHash common.Hash) (Call, error) {
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set, ok := s.correctSet(blockHash)
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if !ok {
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return nil, fmt.Errorf("no validator set for given blockHash: %x", blockHash)
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}
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return set.defaultCaller(blockHash)
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}
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func (s *Multi) getWithCaller(parentHash common.Hash, nonce uint, caller Call) (common.Address, error) {
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panic("not implemented")
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}
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func (s *Multi) countWithCaller(parentHash common.Hash, caller Call) (uint64, error) {
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set, ok := s.correctSet(parentHash)
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if !ok {
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return math.MaxUint64, nil
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}
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return set.countWithCaller(parentHash, caller)
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}
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func (s *Multi) correctSet(blockHash common.Hash) (ValidatorSet, bool) {
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parent := s.parent(blockHash)
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if parent == nil {
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return nil, false
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}
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_, set := s.correctSetByNumber(parent.Number.Uint64())
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return set, set != nil
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}
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func (s *Multi) correctSetByNumber(parentNumber uint64) (uint64, ValidatorSet) {
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// get correct set by block number, along with block number at which
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// this set was activated.
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for i := len(s.sorted) - 1; i >= 0; i-- {
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if s.sorted[i].num <= parentNumber+1 {
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return s.sorted[i].num, s.sorted[i].set
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}
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}
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panic("constructor validation ensures that there is at least one validator set for block 0; block 0 is less than any uint; qed")
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}
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func (s *Multi) get(num uint64) (first bool, set ValidatorSet) {
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block, set := s.correctSetByNumber(num)
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first = block == num
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return first, set
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}
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func (s *Multi) onCloseBlock(header *types.Header, address common.Address) error {
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_, set := s.get(header.Number.Uint64())
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return set.onCloseBlock(header, address)
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}
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// TODO: do we need add `proof` argument?
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//nolint
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func (s *Multi) epochSet(first bool, num uint64, proof []byte) (SimpleList, common.Hash, error) {
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setBlock, set := s.correctSetByNumber(num)
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first = setBlock == num
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return set.epochSet(first, num, proof)
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}
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func (s *Multi) genesisEpochData(header *types.Header, call Call) ([]byte, error) {
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_, set := s.correctSetByNumber(0)
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return set.genesisEpochData(header, call)
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}
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func (s *Multi) onEpochBegin(_ bool, header *types.Header, caller consensus.SystemCall) error {
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setTransition, set := s.correctSetByNumber(header.Number.Uint64())
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return set.onEpochBegin(setTransition == header.Number.Uint64(), header, caller)
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}
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type SimpleList struct {
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validators []common.Address
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}
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func (s *SimpleList) epochSet(first bool, num uint64, proof []byte) (SimpleList, common.Hash, error) {
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return *s, common.Hash{}, nil
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}
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func (s *SimpleList) onEpochBegin(first bool, header *types.Header, caller consensus.SystemCall) error {
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return nil
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}
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func (s *SimpleList) onCloseBlock(_header *types.Header, _address common.Address) error { return nil }
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func (s *SimpleList) defaultCaller(blockHash common.Hash) (Call, error) {
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return nil, nil //simple list doesn't require calls
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}
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func (s *SimpleList) getWithCaller(parentHash common.Hash, nonce uint, caller Call) (common.Address, error) {
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if len(s.validators) == 0 {
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return common.Address{}, fmt.Errorf("cannot operate with an empty validator set")
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}
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return s.validators[nonce%uint(len(s.validators))], nil
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}
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func (s *SimpleList) countWithCaller(parentHash common.Hash, caller Call) (uint64, error) {
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return uint64(len(s.validators)), nil
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}
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func (s *SimpleList) genesisEpochData(header *types.Header, caller Call) ([]byte, error) {
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return []byte{}, nil
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}
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// Draws an validator nonce modulo number of validators.
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func NewSimpleList(validators []common.Address) *SimpleList {
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return &SimpleList{validators: validators}
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}
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//nolint
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type ReportQueueItem struct {
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addr common.Address
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blockNum uint64
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data []byte
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}
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type ReportQueue struct {
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sync.RWMutex
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list *list.List
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}
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//nolint
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func (q *ReportQueue) push(addr common.Address, blockNum uint64, data []byte) {
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q.Lock()
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defer q.Unlock()
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q.list.PushBack(&ReportQueueItem{addr: addr, blockNum: blockNum, data: data})
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}
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// Filters reports of validators that have already been reported or are banned.
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func (q *ReportQueue) filter(abi aurainterfaces.ValidatorSetABI, client client, ourAddr, contractAddr common.Address) error {
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q.Lock()
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defer q.Unlock()
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for e := q.list.Front(); e != nil; e = e.Next() {
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el := e.Value.(*ReportQueueItem)
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// Check if the validator should be reported.
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maliciousValidatorAddress := el.addr
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data, decoder := abi.ShouldValidatorReport(ourAddr, maliciousValidatorAddress, el.blockNum)
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res, err := client.CallAtLatestBlock(contractAddr, data)
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if err != nil {
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return err
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}
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if res.execError != "" {
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log.Warn("Failed to query report status, dropping pending report.", "reason", res.execError)
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continue
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}
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var shouldReport bool
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err = decoder(res.data, &res)
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if err != nil {
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return err
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}
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if !shouldReport {
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q.list.Remove(e)
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}
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}
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return nil
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}
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// Removes reports from the queue if it contains more than `MAX_QUEUED_REPORTS` entries.
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func (q *ReportQueue) truncate() {
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// The maximum number of reports to keep queued.
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const MaxQueuedReports = 10
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q.RLock()
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defer q.RUnlock()
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// Removes reports from the queue if it contains more than `MAX_QUEUED_REPORTS` entries.
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if q.list.Len() > MaxQueuedReports {
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log.Warn("Removing reports from report cache, even though it has not been finalized", "amount", q.list.Len()-MaxQueuedReports)
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}
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i := 0
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for e := q.list.Front(); e != nil; e = e.Next() {
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if i > MaxQueuedReports {
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q.list.Remove(e)
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}
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i++
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}
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}
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// The validator contract should have the following interface:
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//nolint
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type ValidatorSafeContract struct {
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contractAddress common.Address
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validators *lru.Cache // RwLock<MemoryLruCache<H256, SimpleList>>,
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reportQueue ReportQueue //Mutex<ReportQueue>,
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// The block number where we resent the queued reports last time.
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resentReportsInBlock atomic.Uint64
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// If set, this is the block number at which the consensus engine switches from AuRa to AuRa
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// with POSDAO modifications.
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posdaoTransition *uint64
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abi aurainterfaces.ValidatorSetABI
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client client
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}
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func NewValidatorSafeContract(contractAddress common.Address, posdaoTransition *uint64, abi aurainterfaces.ValidatorSetABI, client client) *ValidatorSafeContract {
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const MemoizeCapacity = 500
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c, err := lru.New(MemoizeCapacity)
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if err != nil {
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panic("error creating ValidatorSafeContract cache")
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}
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return &ValidatorSafeContract{contractAddress: contractAddress, posdaoTransition: posdaoTransition, validators: c, client: client}
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}
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// Called for each new block this node is creating. If this block is
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// the first block of an epoch, this is called *after* `on_epoch_begin()`,
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// but with the same parameters.
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//
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// Returns a list of contract calls to be pushed onto the new block.
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//func generateEngineTransactions(_first bool, _header *types.Header, _call SystemCall) -> Result<Vec<(Address, Bytes)>, EthcoreError>
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func (s *ValidatorSafeContract) epochSet(first bool, num uint64, proofRlp []byte) (SimpleList, common.Hash, error) {
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var proof EpochTransitionProof
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if err := rlp.DecodeBytes(proofRlp, &proof); err != nil {
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return SimpleList{}, common.Hash{}, fmt.Errorf("[ValidatorSafeContract.epochSet] %w", err)
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}
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if first {
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oldHeader, state_items, err := decodeFirstValidatorSetProof(proof.SetProof)
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if err != nil {
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return SimpleList{}, common.Hash{}, err
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}
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addresses, err := checkFirstValidatorSetProof(s.contractAddress, oldHeader, state_items)
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if err != nil {
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return SimpleList{}, common.Hash{}, fmt.Errorf("insufitient proof: block=%d,%x: %w", oldHeader.Number.Uint64(), oldHeader.Hash(), err)
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}
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return *NewSimpleList(addresses), oldHeader.Hash(), nil
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}
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setProof, err := decodeValidatorSetProof(proof.SetProof)
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if err != nil {
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return SimpleList{}, common.Hash{}, err
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}
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_ = setProof
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// ensure receipts match header.
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// TODO: optimize? these were just decoded.
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/*
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let found_root = ::triehash::ordered_trie_root(receipts.iter().map(|r| r.encode()));
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if found_root != *old_header.receipts_root() {
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return Err(::error::BlockError::InvalidReceiptsRoot(Mismatch {
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expected: *old_header.receipts_root(),
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found: found_root,
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})
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.into());
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}
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let bloom = self.expected_bloom(&old_header);
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match self.extract_from_event(bloom, &old_header, &receipts) {
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Some(list) => Ok((list, Some(old_header.hash()))),
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None => Err(::engines::EngineError::InsufficientProof(
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"No log event in proof.".into(),
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)
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.into()),
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}
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*/
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return SimpleList{}, common.Hash{}, fmt.Errorf("ValidatorSafeContract.epochSet not implemented")
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}
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// first proof is just a state proof call of `getValidators` at header's state.
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//nolint
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func encodeFirstValidatorSetProof(h *types.Header, dbItems [][]byte) (proofRlp []byte, err error) {
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type S struct {
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h *types.Header
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dbItems [][]byte
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}
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res := S{h: h, dbItems: dbItems}
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return rlp.EncodeToBytes(res)
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}
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func decodeFirstValidatorSetProof(proofRlp []byte) (h *types.Header, dbItems [][]byte, err error) {
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type S struct {
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h *types.Header
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dbItems [][]byte
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}
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|
var res S
|
|
if err := rlp.DecodeBytes(proofRlp, &res); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
return res.h, res.dbItems, nil
|
|
}
|
|
|
|
// check a first proof: fetch the validator set at the given block.
|
|
func checkFirstValidatorSetProof(contract_address common.Address, oldHeader *types.Header, dbItems [][]byte) ([]common.Address, error) {
|
|
/*
|
|
fn check_first_proof(
|
|
machine: &EthereumMachine,
|
|
contract_address: Address,
|
|
old_header: Header,
|
|
state_items: &[DBValue],
|
|
) -> Result<Vec<Address>, String> {
|
|
use types::transaction::{Action, Transaction, TypedTransaction};
|
|
|
|
// TODO: match client contract_call_tx more cleanly without duplication.
|
|
const PROVIDED_GAS: u64 = 50_000_000;
|
|
|
|
let env_info = ::vm::EnvInfo {
|
|
number: old_header.number(),
|
|
author: *old_header.author(),
|
|
difficulty: *old_header.difficulty(),
|
|
gas_limit: PROVIDED_GAS.into(),
|
|
timestamp: old_header.timestamp(),
|
|
last_hashes: {
|
|
// this will break if we don't inclue all 256 last hashes.
|
|
let mut last_hashes: Vec<_> = (0..256).map(|_| H256::default()).collect();
|
|
last_hashes[255] = *old_header.parent_hash();
|
|
Arc::new(last_hashes)
|
|
},
|
|
gas_used: 0.into(),
|
|
};
|
|
|
|
// check state proof using given machine.
|
|
let number = old_header.number();
|
|
let (data, decoder) = validator_set::functions::get_validators::call();
|
|
|
|
let from = Address::default();
|
|
let tx = TypedTransaction::Legacy(Transaction {
|
|
nonce: machine.account_start_nonce(number),
|
|
action: Action::Call(contract_address),
|
|
gas: PROVIDED_GAS.into(),
|
|
gas_price: U256::default(),
|
|
value: U256::default(),
|
|
data,
|
|
})
|
|
.fake_sign(from);
|
|
|
|
let res = ::state::check_proof(
|
|
state_items,
|
|
*old_header.state_root(),
|
|
&tx,
|
|
machine,
|
|
&env_info,
|
|
);
|
|
|
|
match res {
|
|
::state::ProvedExecution::BadProof => Err("Bad proof".into()),
|
|
::state::ProvedExecution::Failed(e) => Err(format!("Failed call: {}", e)),
|
|
::state::ProvedExecution::Complete(e) => {
|
|
decoder.decode(&e.output).map_err(|e| e.to_string())
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
return nil, nil
|
|
}
|
|
|
|
// inter-contract proofs are a header and receipts.
|
|
// checking will involve ensuring that the receipts match the header and
|
|
// extracting the validator set from the receipts.
|
|
//nolint
|
|
func encodeValidatorSetProof(p ValidatorSetProof) (proofRlp []byte, err error) {
|
|
return rlp.EncodeToBytes(p)
|
|
}
|
|
func decodeValidatorSetProof(proofRlp []byte) (ValidatorSetProof, error) {
|
|
var res ValidatorSetProof
|
|
if err := rlp.DecodeBytes(proofRlp, &res); err != nil {
|
|
return res, err
|
|
}
|
|
return res, nil
|
|
}
|
|
|
|
func (s *ValidatorSafeContract) defaultCaller(blockHash common.Hash) (Call, error) {
|
|
return func(addr common.Address, data []byte) (CallResults, error) {
|
|
return s.client.CallAtBlockHash(blockHash, addr, data)
|
|
}, nil
|
|
}
|
|
func (s *ValidatorSafeContract) getWithCaller(blockHash common.Hash, nonce uint, caller Call) (common.Address, error) {
|
|
set, ok := s.validators.Get(blockHash)
|
|
if ok {
|
|
return get(set.(ValidatorSet), blockHash, nonce)
|
|
}
|
|
|
|
list, ok := s.getList(caller)
|
|
if !ok {
|
|
return common.Address{}, nil
|
|
}
|
|
s.validators.Add(blockHash, list)
|
|
return get(list, blockHash, nonce)
|
|
}
|
|
func (s *ValidatorSafeContract) countWithCaller(parentHash common.Hash, caller Call) (uint64, error) {
|
|
set, ok := s.validators.Get(parentHash)
|
|
if ok {
|
|
return count(set.(ValidatorSet), parentHash)
|
|
}
|
|
list, ok := s.getList(caller)
|
|
if !ok {
|
|
return math.MaxUint64, nil
|
|
}
|
|
s.validators.Add(parentHash, list)
|
|
return count(list, parentHash)
|
|
}
|
|
|
|
func (s *ValidatorSafeContract) getList(caller Call) (*SimpleList, bool) {
|
|
code, decoder := s.abi.GetValidators()
|
|
callResult, err := caller(s.contractAddress, code)
|
|
if err != nil {
|
|
log.Debug("Set of validators could not be updated: ", "err", err)
|
|
return nil, false
|
|
}
|
|
if callResult.execError != "" {
|
|
log.Debug("Set of validators could not be updated: ", "err", callResult.execError)
|
|
return nil, false
|
|
}
|
|
var res []common.Address
|
|
err = decoder(callResult.data, &res)
|
|
if err != nil {
|
|
log.Debug("Set of validators could not be updated: ", "err", err)
|
|
return nil, false
|
|
}
|
|
return NewSimpleList(res), true
|
|
}
|
|
|
|
func (s *ValidatorSafeContract) genesisEpochData(header *types.Header, call Call) ([]byte, error) {
|
|
return proveInitial(s.contractAddress, header, call)
|
|
}
|
|
|
|
func (s *ValidatorSafeContract) onEpochBegin(first bool, header *types.Header, caller consensus.SystemCall) error {
|
|
data := common.FromHex("75286211")
|
|
_, err := caller(s.contractAddress, data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
/*
|
|
let data = validator_set::functions::finalize_change::encode_input();
|
|
caller(self.contract_address, data)
|
|
.map(|_| ())
|
|
.map_err(::engines::EngineError::FailedSystemCall)
|
|
.map_err(Into::into)
|
|
*/
|
|
return nil
|
|
}
|
|
|
|
func (s *ValidatorSafeContract) onCloseBlock(header *types.Header, ourAddress common.Address) error {
|
|
// Skip the rest of the function unless there has been a transition to POSDAO AuRa.
|
|
if s.posdaoTransition != nil && header.Number.Uint64() < *s.posdaoTransition {
|
|
log.Trace("Skipping resending of queued malicious behavior reports")
|
|
return nil
|
|
}
|
|
err := s.reportQueue.filter(s.abi, s.client, ourAddress, s.contractAddress)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
s.reportQueue.truncate()
|
|
/*
|
|
let mut resent_reports_in_block = self.resent_reports_in_block.lock();
|
|
|
|
// Skip at least one block after sending malicious reports last time.
|
|
if header.number() > *resent_reports_in_block + REPORTS_SKIP_BLOCKS {
|
|
*resent_reports_in_block = header.number();
|
|
let mut nonce = client.latest_nonce(our_address);
|
|
for (address, block, data) in report_queue.iter() {
|
|
debug!(target: "engine", "Retrying to report validator {} for misbehavior on block {} with nonce {}.",
|
|
address, block, nonce);
|
|
while match self.transact(data.clone(), nonce) {
|
|
Ok(()) => false,
|
|
Err(EthcoreError(
|
|
EthcoreErrorKind::Transaction(transaction::Error::Old),
|
|
_,
|
|
)) => true,
|
|
Err(err) => {
|
|
warn!(target: "engine", "Cannot report validator {} for misbehavior on block {}: {}",
|
|
address, block, err);
|
|
false
|
|
}
|
|
} {
|
|
warn!(target: "engine", "Nonce {} already used. Incrementing.", nonce);
|
|
nonce += U256::from(1);
|
|
}
|
|
nonce += U256::from(1);
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
|
|
*/
|
|
return nil
|
|
}
|
|
|
|
// ValidatorContract a validator contract with reporting.
|
|
type ValidatorContract struct {
|
|
contractAddress common.Address
|
|
validators ValidatorSafeContract
|
|
posdaoTransition *uint64
|
|
}
|
|
|
|
func (s *ValidatorContract) epochSet(first bool, num uint64, proof []byte) (SimpleList, common.Hash, error) {
|
|
return s.validators.epochSet(first, num, proof)
|
|
}
|
|
func (s *ValidatorContract) defaultCaller(blockHash common.Hash) (Call, error) {
|
|
return s.validators.defaultCaller(blockHash)
|
|
}
|
|
func (s *ValidatorContract) getWithCaller(parentHash common.Hash, nonce uint, caller Call) (common.Address, error) {
|
|
return s.validators.getWithCaller(parentHash, nonce, caller)
|
|
}
|
|
func (s *ValidatorContract) countWithCaller(parentHash common.Hash, caller Call) (uint64, error) {
|
|
return s.validators.countWithCaller(parentHash, caller)
|
|
}
|
|
func (s *ValidatorContract) onEpochBegin(first bool, header *types.Header, caller consensus.SystemCall) error {
|
|
return s.validators.onEpochBegin(first, header, caller)
|
|
}
|
|
func (s *ValidatorContract) onCloseBlock(header *types.Header, address common.Address) error {
|
|
return s.validators.onCloseBlock(header, address)
|
|
}
|
|
func (s *ValidatorContract) genesisEpochData(header *types.Header, call Call) ([]byte, error) {
|
|
return s.validators.genesisEpochData(header, call)
|
|
}
|
|
|
|
func proveInitial(contractAddr common.Address, header *types.Header, caller Call) ([]byte, error) {
|
|
return common.FromHex("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nil
|
|
/*
|
|
|
|
// given a provider and caller, generate proof. this will just be a state proof
|
|
// of `getValidators`.
|
|
fn prove_initial(
|
|
contract_address: Address,
|
|
header: &Header,
|
|
caller: &Call,
|
|
) -> Result<Vec<u8>, String> {
|
|
use std::cell::RefCell;
|
|
|
|
let epoch_proof = RefCell::new(None);
|
|
let validators = {
|
|
let (data, decoder) = validator_set::functions::get_validators::call();
|
|
let (value, proof) = caller(contract_address, data)?;
|
|
*epoch_proof.borrow_mut() = Some(encode_first_proof(header, &proof));
|
|
decoder.decode(&value).map_err(|e| e.to_string())?
|
|
};
|
|
|
|
let proof = epoch_proof
|
|
.into_inner()
|
|
.expect("epoch_proof always set after call; qed");
|
|
|
|
trace!(target: "engine", "obtained proof for initial set: {} validators, {} bytes",
|
|
validators.len(), proof.len());
|
|
|
|
info!(target: "engine", "Signal for switch to contract-based validator set.");
|
|
info!(target: "engine", "Initial contract validators: {:?}", validators);
|
|
|
|
Ok(proof)
|
|
}
|
|
*/
|
|
}
|