fhevm

May 29, 2024

Changes in this version

+ const SloadFheUint4Gas

+ const SstoreFheUint4Gas

+ func GetTypeOfPersistedCiphertext(env EVMEnvironment, contractAddress common.Address, handle common.Hash) *tfhe.FheUintType

+ func GetTypeOfVerifiedCiphertext(env EVMEnvironment, ciphertextHash common.Hash) *tfhe.FheUintType

type GasCosts

+ FheArrayEqBigArrayFactor uint64

+ ProtectedStorageSloadGas map[tfhe.FheUintType]uint64

+ ProtectedStorageSstoreGas map[tfhe.FheUintType]uint64

Apr 12, 2024

Changes in this version

+ const AdjustFHEGas

+ const ColdSloadCostEIP2929

+ const EvmNetSstoreInitGas

+ const GetNonExistentCiphertextGas

+ var ErrAddrProhibited error

+ var ErrCodeStoreOutOfGas error

+ var ErrContractAddressCollision error

+ var ErrDepth error

+ var ErrExecutionReverted error

+ var ErrGasUintOverflow error

+ var ErrInsufficientBalance error

+ var ErrInvalidCode error

+ var ErrInvalidCoinbase error

+ var ErrInvalidJump error

+ var ErrMaxCodeSizeExceeded error

+ var ErrMaxInitCodeSizeExceeded error

+ var ErrNonceUintOverflow error

+ var ErrOutOfGas error

+ var ErrReturnDataOutOfBounds error

+ var ErrSenderAddressNotAllowListed error

+ var ErrWriteProtection error

+ var FheUint16ProtectedStorageSloadGas uint64 = FheUint8ProtectedStorageSloadGas * 2

+ var FheUint16ProtectedStorageSstoreGas uint64 = FheUint8ProtectedStorageSstoreGas * 2

+ var FheUint32ProtectedStorageSloadGas uint64 = FheUint16ProtectedStorageSloadGas * 2

+ var FheUint32ProtectedStorageSstoreGas uint64 = FheUint16ProtectedStorageSstoreGas * 2

+ var FheUint8ProtectedStorageSloadGas uint64 = ColdSloadCostEIP2929 + 200

+ var FheUint8ProtectedStorageSstoreGas uint64 = EvmNetSstoreInitGas + 2000

+ var TxDataFractionalGasFactor uint64 = 4

+ func Create(evm EVMEnvironment, caller common.Address, code []byte, gas uint64, ...) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error)

+ func Create2(evm EVMEnvironment, caller common.Address, code []byte, gas uint64, ...) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error)

+ func DelegateCiphertextHandlesInArgs(env EVMEnvironment, args []byte) (verified map[common.Hash]*depthSet)

+ func FheLibRequiredGas(environment EVMEnvironment, input []byte) uint64

+ func FheLibRun(environment EVMEnvironment, caller common.Address, addr common.Address, ...) (ret []byte, err error)

+ func InitFhevm(accessibleState EVMEnvironment)

+ func OpReturn(pc *uint64, env EVMEnvironment, scope ScopeContext) []byte

+ func OpSelfdestruct(pc *uint64, env EVMEnvironment, scope ScopeContext) (beneficiary uint256.Int, balance *big.Int)

+ func OpSload(pc *uint64, env EVMEnvironment, scope ScopeContext) ([]byte, error)

+ func OpSstore(pc *uint64, env EVMEnvironment, scope ScopeContext) ([]byte, error)

+ func RegisterErrors(outOfGasError error, codeStoreOutOfGasError error, depthError error, ...)

+ func RemoveVerifiedCipherextsAtCurrentDepth(env EVMEnvironment)

+ func RestoreVerifiedDepths(env EVMEnvironment, verified map[common.Hash]*depthSet)

+ func SetProtectedStorageAddrCallerAddr(addr []byte)

+ func TxDataFractionalGas(originalGas uint64) (fractionalGas uint64)

+ type Contract interface

+ Address func() common.Address

+ type DefaultLogger struct

+ func (l *DefaultLogger) Debug(msg string, keyvals ...interface{})

+ func (l *DefaultLogger) Error(msg string, keyvals ...interface{})

+ func (l *DefaultLogger) Info(msg string, keyvals ...interface{})

+ type EVMEnvironment interface

+ AddBalance func(common.Address, *big.Int)

+ CreateContract func(caller common.Address, code []byte, gas uint64, value *big.Int, ...) ([]byte, common.Address, uint64, error)

+ CreateContract2 func(caller common.Address, code []byte, codeHash common.Hash, gas uint64, ...) ([]byte, common.Address, uint64, error)

+ FhevmData func() *FhevmData

+ FhevmParams func() *FhevmParams

+ GetBalance func(common.Address) *big.Int

+ GetDepth func() int

+ GetLogger func() Logger

+ GetNonce func(common.Address) uint64

+ GetState func(common.Address, common.Hash) common.Hash

+ IsCommitting func() bool

+ IsEthCall func() bool

+ IsReadOnly func() bool

+ OtelContext func() context.Context

+ SetState func(common.Address, common.Hash, common.Hash)

+ Suicide func(common.Address) bool

+ type FheLibMethod struct

+ func GetFheLibMethod(signature uint32) (fheLibMethod *FheLibMethod, found bool)

+ func (fheLibMethod *FheLibMethod) Name() string

+ func (fheLibMethod *FheLibMethod) RequiredGas(environment EVMEnvironment, input []byte) uint64

+ func (fheLibMethod *FheLibMethod) Run(environment EVMEnvironment, caller common.Address, addr common.Address, ...) ([]byte, error)

+ func (fheLibMethod *FheLibMethod) Signature() uint32

+ type FhevmData struct

+ func NewFhevmData() FhevmData

+ type FhevmParams struct

+ DisableDecryptionsInTransaction bool

+ GasCosts GasCosts

+ func DefaultFhevmParams() FhevmParams

+ type GasCosts struct

+ FheAddSub map[tfhe.FheUintType]uint64

+ FheBitwiseOp map[tfhe.FheUintType]uint64

+ FheCast uint64

+ FheDecrypt map[tfhe.FheUintType]uint64

+ FheEq map[tfhe.FheUintType]uint64

+ FheGetCiphertext map[tfhe.FheUintType]uint64

+ FheIfThenElse map[tfhe.FheUintType]uint64

+ FheLe map[tfhe.FheUintType]uint64

+ FheMinMax map[tfhe.FheUintType]uint64

+ FheMul map[tfhe.FheUintType]uint64

+ FheNeg map[tfhe.FheUintType]uint64

+ FheNot map[tfhe.FheUintType]uint64

+ FhePubKey uint64

+ FheRand map[tfhe.FheUintType]uint64

+ FheReencrypt map[tfhe.FheUintType]uint64

+ FheScalarDiv map[tfhe.FheUintType]uint64

+ FheScalarMinMax map[tfhe.FheUintType]uint64

+ FheScalarMul map[tfhe.FheUintType]uint64

+ FheScalarRem map[tfhe.FheUintType]uint64

+ FheScalarShift map[tfhe.FheUintType]uint64

+ FheShift map[tfhe.FheUintType]uint64

+ FheTrivialEncrypt map[tfhe.FheUintType]uint64

+ FheVerify map[tfhe.FheUintType]uint64

+ func DefaultGasCosts() GasCosts

+ type Logger interface

+ Debug func(msg string, keyvals ...interface{})

+ Error func(msg string, keyvals ...interface{})

+ Info func(msg string, keyvals ...interface{})

+ func NewDefaultLogger() Logger

+ type Memory interface

+ Data func() []byte

+ GetCopy func(offset, size int64) (cpy []byte)

+ GetPtr func(offset, size int64) []byte

+ Len func() int

+ Resize func(size uint64)

+ Set func(offset, size uint64, value []byte)

+ Set32 func(offset uint64, val *uint256.Int)

+ type PrivilegedMemory struct

+ VerifiedCiphertexts map[common.Hash]*verifiedCiphertext

+ var PrivilegedMempory *PrivilegedMemory = &PrivilegedMemory{ ... }

+ type ScopeContext interface

+ GetContract func() Contract

+ GetMemory func() Memory

+ GetStack func() Stack

+ type Stack interface

+ Peek func() *uint256.Int

+ Pop func() uint256.Int