emulator

package
v0.2.2 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Nov 5, 2021 License: Apache-2.0, BSD-2-Clause Imports: 20 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Init 

func Init(store kv.KVStore, chainID uint16, gasLimit, 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
}

func NewBlockchainDB 

func NewBlockchainDB(store kv.KVStore) *BlockchainDB

func (*BlockchainDB) AddBlock 

func (bc *BlockchainDB) AddBlock(header *types.Header)

func (*BlockchainDB) AddTransaction 

func (bc *BlockchainDB) AddTransaction(tx *types.Transaction, receipt *types.Receipt, timestamp uint64)

func (*BlockchainDB) GetBlockByHash 

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

func (*BlockchainDB) GetBlockByNumber 

func (bc *BlockchainDB) GetBlockByNumber(blockNumber *big.Int) *types.Block

func (*BlockchainDB) GetBlockHashByBlockNumber 

func (bc *BlockchainDB) GetBlockHashByBlockNumber(blockNumber *big.Int) common.Hash

func (*BlockchainDB) GetBlockNumberByBlockHash 

func (bc *BlockchainDB) GetBlockNumberByBlockHash(hash common.Hash) *big.Int

func (*BlockchainDB) GetBlockNumberByTxHash 

func (bc *BlockchainDB) GetBlockNumberByTxHash(txHash common.Hash) *big.Int

func (*BlockchainDB) GetChainID 

func (bc *BlockchainDB) GetChainID() uint16

func (*BlockchainDB) GetCurrentBlock 

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

func (*BlockchainDB) GetGasLimit 

func (bc *BlockchainDB) GetGasLimit() uint64

func (*BlockchainDB) GetHeaderByBlockNumber 

func (bc *BlockchainDB) GetHeaderByBlockNumber(blockNumber *big.Int) *types.Header

func (*BlockchainDB) GetHeaderByHash 

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

func (*BlockchainDB) GetNumber 

func (bc *BlockchainDB) GetNumber() *big.Int

func (*BlockchainDB) GetReceiptByBlockNumber 

func (bc *BlockchainDB) GetReceiptByBlockNumber(blockNumber *big.Int) *types.Receipt

func (*BlockchainDB) GetReceiptByTxHash 

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

func (*BlockchainDB) GetTimestampByBlockNumber 

func (bc *BlockchainDB) GetTimestampByBlockNumber(blockNumber *big.Int) uint64

func (*BlockchainDB) GetTransactionByBlockNumber 

func (bc *BlockchainDB) GetTransactionByBlockNumber(blockNumber *big.Int) *types.Transaction

func (*BlockchainDB) GetTransactionByHash 

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

func (*BlockchainDB) Init 

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

func (*BlockchainDB) Initialized 

func (bc *BlockchainDB) Initialized() bool

func (*BlockchainDB) SetChainID 

func (bc *BlockchainDB) SetChainID(chainID uint16)

func (*BlockchainDB) SetGasLimit 

func (bc *BlockchainDB) SetGasLimit(gas uint64)

func (*BlockchainDB) SetNumber 

func (bc *BlockchainDB) SetNumber(n *big.Int)

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 {
	IEVMBackend vm.ISCPBackend
	// contains filtered or unexported fields
}

func NewEVMEmulator 

func NewEVMEmulator(store kv.KVStore, timestamp uint64, backend vm.ISCPBackend) *EVMEmulator

func (*EVMEmulator) BlockchainDB 

func (e *EVMEmulator) BlockchainDB() *BlockchainDB

func (*EVMEmulator) CallContract 

func (e *EVMEmulator) CallContract(call ethereum.CallMsg) ([]byte, error)

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

func (*EVMEmulator) ChainContext 

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

func (*EVMEmulator) EstimateGas 

func (e *EVMEmulator) EstimateGas(call ethereum.CallMsg) (uint64, error)

EstimateGas executes the requested code against the current state and returns the used amount of gas, discarding state changes

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) GasLimit 

func (e *EVMEmulator) GasLimit() uint64

func (*EVMEmulator) GetIEVMBackend 

func (e *EVMEmulator) GetIEVMBackend() vm.ISCPBackend

func (*EVMEmulator) PendingHeader 

func (e *EVMEmulator) PendingHeader() *types.Header

func (*EVMEmulator) SendTransaction 

func (e *EVMEmulator) SendTransaction(tx *types.Transaction) (*types.Receipt, error)

SendTransaction updates the pending block to include the given transaction. It returns an error if the transaction is invalid.

func (*EVMEmulator) Signer 

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

func (*EVMEmulator) StateDB 

func (e *EVMEmulator) StateDB() *StateDB

type StateDB 

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

StateDB implements vm.StateDB with a kv.KVStore as backend

func NewStateDB 

func NewStateDB(store kv.KVStore) *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(hash 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(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

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.