smartcontract

package

v0.7.2 Latest Latest Go to latest Published: Apr 16, 2020 License: LGPL-3.0 Imports: 14 Imported by: 0

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Repository

github.com/DNAProject/DNA

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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/>.

Index ¶

Constants
func NewVmFeatureFlag(blockHeight uint32) vm.VmFeatureFlag
type Config
type SmartContract

Constants ¶

View Source

const (
	MAX_EXECUTE_ENGINE = 128
)

Variables ¶

This section is empty.

Functions ¶

func NewVmFeatureFlag ¶

func NewVmFeatureFlag(blockHeight uint32) vm.VmFeatureFlag

Types ¶

type Config ¶

type Config struct {
	Time      uint32              // current block timestamp
	Height    uint32              // current block height
	BlockHash common.Uint256      // current block hash
	Tx        *ctypes.Transaction // current transaction
}

Config describe smart contract need parameters configuration

type SmartContract ¶

type SmartContract struct {
	Contexts      []*context.Context // all execute smart contract context
	CacheDB       *storage.CacheDB   // state cache
	Store         store.LedgerStore  // ledger store
	Config        *Config
	Notifications []*event.NotifyEventInfo // all execute smart contract event notify info
	GasTable      map[string]uint64
	Gas           uint64
	ExecStep      int
	WasmExecStep  uint64
	PreExec       bool
}

SmartContract describe smart contract execute engine

func (*SmartContract) CallingContext ¶

func (this *SmartContract) CallingContext() *context.Context

CallingContext return smart contract caller context

func (*SmartContract) CheckExecStep ¶

func (this *SmartContract) CheckExecStep() bool

func (*SmartContract) CheckUseGas ¶

func (this *SmartContract) CheckUseGas(gas uint64) bool

func (*SmartContract) CheckWitness ¶

func (this *SmartContract) CheckWitness(address common.Address) bool

CheckWitness check whether authorization correct If address is wallet address, check whether in the signature addressed list Else check whether address is calling contract address Param address: wallet address or contract address

func (*SmartContract) CurrentContext ¶

func (this *SmartContract) CurrentContext() *context.Context

CurrentContext return smart contract current context

func (*SmartContract) EntryContext ¶

func (this *SmartContract) EntryContext() *context.Context

EntryContext return smart contract entry entrance context

func (*SmartContract) NewExecuteEngine ¶

func (this *SmartContract) NewExecuteEngine(code []byte, txtype ctypes.TransactionType) (context.Engine, error)

Execute is smart contract execute manager According different vm type to launch different service

func (*SmartContract) NewNativeService ¶

func (this *SmartContract) NewNativeService() (*native.NativeService, error)

func (*SmartContract) PopContext ¶

func (this *SmartContract) PopContext()

PopContext pop smart contract current context

func (*SmartContract) PushContext ¶

func (this *SmartContract) PushContext(context *context.Context)

PushContext push current context to smart contract

func (*SmartContract) PushNotifications ¶

func (this *SmartContract) PushNotifications(notifications []*event.NotifyEventInfo)

PushNotifications push smart contract event info

Source Files ¶

View all Source files

smart_contract.go

Directories ¶

Path	Synopsis
context
errors
event
service
native
native/auth
native/did SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
native/gas
native/global_params
native/governance Governance contract: Users can apply for a candidate node to join consensus selection, deposit ONT to authorize for candidate nodes, quit selection and unAuthorize for candidate nodes through this contract.	Governance contract: Users can apply for a candidate node to join consensus selection, deposit ONT to authorize for candidate nodes, quit selection and unAuthorize for candidate nodes through this contract.
native/init
native/testsuite SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
native/utils SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
neovm SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
util SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
wasmvm SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.	SPDX-License-Identifier: LGPL-3.0-or-later Copyright 2019 DNA Dev team * Copyright (C) 2018 The ontology Authors * This file is part of The ontology library.
states
storage

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