wasmvm

package
v1.8.1 Latest Latest
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 Go to latest Published: Nov 21, 2019 License: LGPL-3.0 Imports: 27 Imported by: 5

Documentation

Overview

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

* Copyright (C) 2018 The ontology Authors * This file is part of The ontology library. * * The ontology is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ontology is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ontology. If not, see <http://www.gnu.org/licenses/>.

Index

Constants

This section is empty.

Variables

View Source 
var (
	TIME_STAMP_GAS       uint64 = 1
	BLOCK_HEGHT_GAS      uint64 = 1
	SELF_ADDRESS_GAS     uint64 = 1
	CALLER_ADDRESS_GAS   uint64 = 1
	ENTRY_ADDRESS_GAS    uint64 = 1
	CHECKWITNESS_GAS     uint64 = 200
	CALL_CONTRACT_GAS    uint64 = 10
	CONTRACT_CREATE_GAS  uint64 = 20000000
	CONTRACT_MIGRATE_GAS uint64 = 20000000
	NATIVE_INVOKE_GAS    uint64 = 1000

	CURRENT_BLOCK_HASH_GAS uint64 = 100
	CURRENT_TX_HASH_GAS    uint64 = 100

	STORAGE_GET_GAS          uint64 = 200
	STORAGE_PUT_GAS          uint64 = 4000
	STORAGE_DELETE_GAS       uint64 = 100
	UINT_DEPLOY_CODE_LEN_GAS uint64 = 200000
	PER_UNIT_CODE_LEN        uint64 = 1024

	SHA256_GAS uint64 = 10
)
View Source 
var (
	ERR_CHECK_STACK_SIZE  = errors.NewErr("[WasmVmService] vm over max stack size!")
	ERR_EXECUTE_CODE      = errors.NewErr("[WasmVmService] vm execute code invalid!")
	ERR_GAS_INSUFFICIENT  = errors.NewErr("[WasmVmService] gas insufficient")
	VM_EXEC_STEP_EXCEED   = errors.NewErr("[WasmVmService] vm execute step exceed!")
	CONTRACT_NOT_EXIST    = errors.NewErr("[WasmVmService] Get contract code from db fail")
	DEPLOYCODE_TYPE_ERROR = errors.NewErr("[WasmVmService] DeployCode type error!")
	VM_EXEC_FAULT         = errors.NewErr("[WasmVmService] vm execute state fault!")
	VM_INIT_FAULT         = errors.NewErr("[WasmVmService] vm init state fault!")

	CODE_CACHE_SIZE      = 100
	CONTRACT_METHOD_NAME = "invoke"

	//max memory size of wasm vm
	WASM_MEM_LIMITATION  uint64 = 10 * 1024 * 1024
	VM_STEP_LIMIT               = 40000000
	WASM_CALLSTACK_LIMIT        = 1024

	CodeCache *lru.ARCCache
)

Functions

func BlockHeight added in v1.8.0 

func BlockHeight(proc *exec.Process) uint32

func CallContract added in v1.8.0 

func CallContract(proc *exec.Process, contractAddr uint32, inputPtr uint32, inputLen uint32) uint32

func CallOutputLength added in v1.8.0 

func CallOutputLength(proc *exec.Process) uint32

func CallerAddress added in v1.8.0 

func CallerAddress(proc *exec.Process, dst uint32)

func Checkwitness added in v1.8.0 

func Checkwitness(proc *exec.Process, dst uint32) uint32

func ContractCreate added in v1.8.0 

func ContractCreate(proc *exec.Process,
	codePtr uint32,
	codeLen uint32,
	vmType uint32,
	namePtr uint32,
	nameLen uint32,
	verPtr uint32,
	verLen uint32,
	authorPtr uint32,
	authorLen uint32,
	emailPtr uint32,
	emailLen uint32,
	descPtr uint32,
	descLen uint32,
	newAddressPtr uint32) uint32

func ContractDestroy added in v1.8.0 

func ContractDestroy(proc *exec.Process)

func ContractMigrate added in v1.8.0 

func ContractMigrate(proc *exec.Process,
	codePtr uint32,
	codeLen uint32,
	vmType uint32,
	namePtr uint32,
	nameLen uint32,
	verPtr uint32,
	verLen uint32,
	authorPtr uint32,
	authorLen uint32,
	emailPtr uint32,
	emailLen uint32,
	descPtr uint32,
	descLen uint32,
	newAddressPtr uint32) uint32

func Debug 

func Debug(proc *exec.Process, ptr uint32, len uint32)

func EntryAddress added in v1.8.0 

func EntryAddress(proc *exec.Process, dst uint32)

func GetCallOut added in v1.8.0 

func GetCallOut(proc *exec.Process, dst uint32)

func GetCurrentBlockHash added in v1.8.0 

func GetCurrentBlockHash(proc *exec.Process, ptr uint32) uint32

func GetCurrentTxHash added in v1.8.0 

func GetCurrentTxHash(proc *exec.Process, ptr uint32) uint32

func GetInput added in v1.8.0 

func GetInput(proc *exec.Process, dst uint32)

func InputLength added in v1.8.0 

func InputLength(proc *exec.Process) uint32

func NewHostModule added in v1.8.0 

func NewHostModule() *wasm.Module

func Notify added in v1.8.0 

func Notify(proc *exec.Process, ptr uint32, l uint32)

func RaiseException added in v1.8.0 

func RaiseException(proc *exec.Process, ptr uint32, len uint32)

func ReadWasmMemory added in v1.8.0 

func ReadWasmMemory(proc *exec.Process, ptr uint32, len uint32) ([]byte, error)

func ReadWasmModule added in v1.8.0 

func ReadWasmModule(Code []byte, verify bool) (*exec.CompiledModule, error)

func Ret added in v1.8.0 

func Ret(proc *exec.Process, ptr uint32, len uint32)

func SelfAddress added in v1.8.0 

func SelfAddress(proc *exec.Process, dst uint32)

func Sha256 added in v1.8.0 

func Sha256(proc *exec.Process, src uint32, slen uint32, dst uint32)

func StorageDelete added in v1.8.0 

func StorageDelete(proc *exec.Process, keyPtr uint32, keyLen uint32)

func StorageRead added in v1.8.0 

func StorageRead(proc *exec.Process, keyPtr uint32, klen uint32, val uint32, vlen uint32, offset uint32) uint32

func StorageWrite added in v1.8.0 

func StorageWrite(proc *exec.Process, keyPtr uint32, keyLen uint32, valPtr uint32, valLen uint32)

func TimeStamp added in v1.8.0 

func TimeStamp(proc *exec.Process) uint64

Types

type ContractType added in v1.8.0 

type ContractType byte
const (
	NATIVE_CONTRACT ContractType = iota
	NEOVM_CONTRACT
	WASMVM_CONTRACT
	UNKOWN_CONTRACT
)

type Runtime added in v1.8.0 

type Runtime struct {
	Service    *WasmVmService
	Input      []byte
	Output     []byte
	CallOutPut []byte
}

type WasmVmService 

type WasmVmService struct {
	Store         store.LedgerStore
	CacheDB       *storage.CacheDB
	ContextRef    context.ContextRef
	Notifications []*event.NotifyEventInfo
	Code          []byte
	Tx            *types.Transaction
	Time          uint32
	Height        uint32
	BlockHash     common.Uint256
	PreExec       bool
	GasPrice      uint64
	GasLimit      *uint64
	ExecStep      *uint64
	GasFactor     uint64
	IsTerminate   bool
	// contains filtered or unexported fields
}

func (*WasmVmService) Invoke added in v1.8.0 

func (this *WasmVmService) Invoke() (interface{}, error)

Source Files

View all Source files

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