emulator

package
v0.6.0-alpha.6 Latest Latest
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 Go to latest Published: Mar 28, 2023 License: Apache-2.0 Imports: 24 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Init 

func Init(
	store kv.KVStore,
	chainID uint16,
	blockKeepAmount int32,
	gasLimits GasLimits,
	timestamp uint64,
	alloc core.GenesisAlloc,
)

Init initializes the EVM state with the provided genesis allocation parameters

Types

type BlockchainDB 

type BlockchainDB struct {
	// contains filtered or unexported fields
}

BlockchainDB contains logic for storing a fake blockchain (more like a list of blocks), intended for satisfying EVM tools that depend on the concept of a block.

func NewBlockchainDB 

func NewBlockchainDB(store kv.KVStore, blockGasLimit uint64) *BlockchainDB

func (*BlockchainDB) AddTransaction 

func (bc *BlockchainDB) AddTransaction(tx *types.Transaction, receipt *types.Receipt)

func (*BlockchainDB) GetBlockByHash 

func (bc *BlockchainDB) GetBlockByHash(hash common.Hash) *types.Block

func (*BlockchainDB) GetBlockByNumber 

func (bc *BlockchainDB) GetBlockByNumber(blockNumber uint64) *types.Block

func (*BlockchainDB) GetBlockHashByBlockNumber 

func (bc *BlockchainDB) GetBlockHashByBlockNumber(blockNumber uint64) common.Hash

func (*BlockchainDB) GetBlockIndexByTxHash 

func (bc *BlockchainDB) GetBlockIndexByTxHash(txHash common.Hash) uint32

func (*BlockchainDB) GetBlockNumberByBlockHash 

func (bc *BlockchainDB) GetBlockNumberByBlockHash(hash common.Hash) (uint64, bool)

func (*BlockchainDB) GetBlockNumberByTxHash 

func (bc *BlockchainDB) GetBlockNumberByTxHash(txHash common.Hash) (uint64, bool)

func (*BlockchainDB) GetChainID 

func (bc *BlockchainDB) GetChainID() uint16

func (*BlockchainDB) GetCurrentBlock 

func (bc *BlockchainDB) GetCurrentBlock() *types.Block

func (*BlockchainDB) GetHeaderByBlockNumber 

func (bc *BlockchainDB) GetHeaderByBlockNumber(blockNumber uint64) *types.Header

func (*BlockchainDB) GetHeaderByHash 

func (bc *BlockchainDB) GetHeaderByHash(hash common.Hash) *types.Header

func (*BlockchainDB) GetLatestPendingReceipt 

func (bc *BlockchainDB) GetLatestPendingReceipt() *types.Receipt

func (*BlockchainDB) GetNumber 

func (bc *BlockchainDB) GetNumber() uint64

func (*BlockchainDB) GetPendingBlockNumber 

func (bc *BlockchainDB) GetPendingBlockNumber() uint64

func (*BlockchainDB) GetPendingHeader 

func (bc *BlockchainDB) GetPendingHeader() *types.Header

func (*BlockchainDB) GetReceiptByBlockNumberAndIndex 

func (bc *BlockchainDB) GetReceiptByBlockNumberAndIndex(blockNumber uint64, i uint32) *types.Receipt

func (*BlockchainDB) GetReceiptByTxHash 

func (bc *BlockchainDB) GetReceiptByTxHash(txHash common.Hash) *types.Receipt

func (*BlockchainDB) GetReceiptsByBlockNumber 

func (bc *BlockchainDB) GetReceiptsByBlockNumber(blockNumber uint64) []*types.Receipt

func (*BlockchainDB) GetTimestampByBlockNumber 

func (bc *BlockchainDB) GetTimestampByBlockNumber(blockNumber uint64) uint64

func (*BlockchainDB) GetTransactionByBlockNumberAndIndex 

func (bc *BlockchainDB) GetTransactionByBlockNumberAndIndex(blockNumber uint64, i uint32) *types.Transaction

func (*BlockchainDB) GetTransactionByHash 

func (bc *BlockchainDB) GetTransactionByHash(txHash common.Hash) *types.Transaction

func (*BlockchainDB) GetTransactionsByBlockNumber 

func (bc *BlockchainDB) GetTransactionsByBlockNumber(blockNumber uint64) []*types.Transaction

func (*BlockchainDB) Init 

func (bc *BlockchainDB) Init(chainID uint16, keepAmount int32, timestamp uint64)

func (*BlockchainDB) Initialized 

func (bc *BlockchainDB) Initialized() bool

func (*BlockchainDB) MintBlock 

func (bc *BlockchainDB) MintBlock(timestamp uint64)

func (*BlockchainDB) SetChainID 

func (bc *BlockchainDB) SetChainID(chainID uint16)

func (*BlockchainDB) SetKeepAmount 

func (bc *BlockchainDB) SetKeepAmount(keepAmount int32)

type BufferedStateDB 

type BufferedStateDB struct {
	// contains filtered or unexported fields
}

BufferedStateDB is a wrapper for StateDB that writes all mutations into an in-memory buffer, leaving the original state unmodified until the mutations are applied manually with Commit().

func NewBufferedStateDB 

func NewBufferedStateDB(base *StateDB) *BufferedStateDB

func (*BufferedStateDB) Commit 

func (b *BufferedStateDB) Commit()

func (*BufferedStateDB) StateDB 

func (b *BufferedStateDB) StateDB() *StateDB

type EVMEmulator 

type EVMEmulator struct {
	// contains filtered or unexported fields
}

func NewEVMEmulator 

func NewEVMEmulator(
	store kv.KVStore,
	timestamp uint64,
	gasLimits GasLimits,
	magicContracts map[common.Address]vm.ISCMagicContract,
	l2Balance L2Balance,
) *EVMEmulator

func (*EVMEmulator) BlockGasLimit added in v1.0.3 

func (e *EVMEmulator) BlockGasLimit() uint64

func (*EVMEmulator) BlockchainDB 

func (e *EVMEmulator) BlockchainDB() *BlockchainDB

func (*EVMEmulator) CallContract 

func (e *EVMEmulator) CallContract(call ethereum.CallMsg, gasBurnEnable func(bool)) (*core.ExecutionResult, error)

CallContract executes a contract call, without committing changes to the state

func (*EVMEmulator) CallGasLimit added in v1.0.3 

func (e *EVMEmulator) CallGasLimit() uint64

func (*EVMEmulator) ChainContext 

func (e *EVMEmulator) ChainContext() core.ChainContext

func (*EVMEmulator) FilterLogs 

func (e *EVMEmulator) FilterLogs(query *ethereum.FilterQuery) []*types.Log

FilterLogs executes a log filter operation, blocking during execution and returning all the results in one batch.

func (*EVMEmulator) MintBlock 

func (e *EVMEmulator) MintBlock()

func (*EVMEmulator) SendTransaction 

func (e *EVMEmulator) SendTransaction(tx *types.Transaction, gasBurnEnable func(bool)) (*types.Receipt, *core.ExecutionResult, error)

func (*EVMEmulator) Signer 

func (e *EVMEmulator) Signer() types.Signer

func (*EVMEmulator) StateDB 

func (e *EVMEmulator) StateDB() *StateDB

type GasLimits added in v1.0.3 

type GasLimits struct {
	Block uint64
	Call  uint64
}

type L2Balance 

type L2Balance interface {
	Get(addr common.Address) *big.Int
	Add(addr common.Address, amount *big.Int)
	Sub(addr common.Address, amount *big.Int)
}

type StateDB 

type StateDB struct {
	// contains filtered or unexported fields
}

StateDB implements vm.StateDB with a kv.KVStore as backend. The Ethereum account balance is tied to the L1 balance.

func NewStateDB 

func NewStateDB(store kv.KVStore, l2Balance L2Balance) *StateDB

func (*StateDB) AddAddressToAccessList 

func (s *StateDB) AddAddressToAccessList(addr common.Address)

AddAddressToAccessList adds the given address to the access list. This operation is safe to perform even if the feature/fork is not active yet

func (*StateDB) AddBalance 

func (s *StateDB) AddBalance(addr common.Address, amount *big.Int)

func (*StateDB) AddLog 

func (s *StateDB) AddLog(log *types.Log)

func (*StateDB) AddPreimage 

func (s *StateDB) AddPreimage(common.Hash, []byte)

func (*StateDB) AddRefund 

func (s *StateDB) AddRefund(n uint64)

func (*StateDB) AddSlotToAccessList 

func (s *StateDB) AddSlotToAccessList(addr common.Address, slot common.Hash)

AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform even if the feature/fork is not active yet

func (*StateDB) AddressInAccessList 

func (s *StateDB) AddressInAccessList(addr common.Address) bool

func (*StateDB) Buffered 

func (s *StateDB) Buffered() *BufferedStateDB

func (*StateDB) CreateAccount 

func (s *StateDB) CreateAccount(addr common.Address)

func (*StateDB) Empty 

func (s *StateDB) Empty(addr common.Address) bool

Empty returns whether the given account is empty. Empty is defined according to EIP161 (balance = nonce = code = 0).

func (*StateDB) Exist 

func (s *StateDB) Exist(addr common.Address) bool

Exist reports whether the given account exists in state. Notably this should also return true for suicided accounts.

func (*StateDB) ForEachStorage 

func (s *StateDB) ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) error

func (*StateDB) GetBalance 

func (s *StateDB) GetBalance(addr common.Address) *big.Int

func (*StateDB) GetCode 

func (s *StateDB) GetCode(addr common.Address) []byte

func (*StateDB) GetCodeHash 

func (s *StateDB) GetCodeHash(addr common.Address) common.Hash

func (*StateDB) GetCodeSize 

func (s *StateDB) GetCodeSize(addr common.Address) int

func (*StateDB) GetCommittedState 

func (s *StateDB) GetCommittedState(addr common.Address, key common.Hash) common.Hash

func (*StateDB) GetLogs 

func (s *StateDB) GetLogs(_ common.Hash) []*types.Log

func (*StateDB) GetNonce 

func (s *StateDB) GetNonce(addr common.Address) uint64

func (*StateDB) GetRefund 

func (s *StateDB) GetRefund() uint64

func (*StateDB) GetState 

func (s *StateDB) GetState(addr common.Address, key common.Hash) common.Hash

func (*StateDB) HasSuicided 

func (s *StateDB) HasSuicided(addr common.Address) bool

func (*StateDB) PrepareAccessList 

func (s *StateDB) PrepareAccessList(sender common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList)

func (*StateDB) RevertToSnapshot 

func (s *StateDB) RevertToSnapshot(int)

func (*StateDB) SetCode 

func (s *StateDB) SetCode(addr common.Address, code []byte)

func (*StateDB) SetNonce 

func (s *StateDB) SetNonce(addr common.Address, n uint64)

func (*StateDB) SetState 

func (s *StateDB) SetState(addr common.Address, key, value common.Hash)

func (*StateDB) SlotInAccessList 

func (s *StateDB) SlotInAccessList(addr common.Address, slot common.Hash) (addressOk, slotOk bool)

func (*StateDB) Snapshot 

func (s *StateDB) Snapshot() int

func (*StateDB) SubBalance 

func (s *StateDB) SubBalance(addr common.Address, amount *big.Int)

func (*StateDB) SubRefund 

func (s *StateDB) SubRefund(n uint64)

func (*StateDB) Suicide 

func (s *StateDB) Suicide(addr common.Address) bool

Source Files

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