tx

package
v1.0.0 Latest Latest
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 Go to latest Published: Jul 2, 2021 License: MIT Imports: 10 Imported by: 0

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Index

Constants

View Source 
const (
	Success OracleResponseCode = 0x00

	ProtocolNotSupported = 0x10
	ConsensusUnreachable = 0x12
	NotFound             = 0x14
	Timeout              = 0x16
	Forbidden            = 0x18
	ResponseTooLarge     = 0x1a
	InsufficientFunds    = 0x1c

	Error = 0xff
)
View Source 
const (
	TransactionVersion          uint8  = 0
	MaxTransactionSize                 = 102400
	MaxValidUntilBlockIncrement uint32 = 5760 // 24 hours
	MaxTransactionAttributes           = 16   // Maximum number of attributes that can be contained within a transaction
	MaxSigners                         = 16   // Maximum number of cosigners that can be contained within a transaction
)
View Source 
const ECDsaVerifyPrice = 1 << 15
View Source 
const ExecFeeFactor = 30
View Source 
const FeePerByte = 1000
View Source 
const GasFactor = 100000000
View Source 
const GasTokenId = "0xd2a4cff31913016155e38e474a2c06d08be276cf"
View Source 
const MaxInvocationScript = 1024

MaxInvocationScript This is designed to allow a MultiSig 21/11 (committee) Invocation = 11 * (64 + 2) = 726

View Source 
const (
	MaxSubitems = 16 // This limits maximum number of AllowedContracts or AllowedGroups here.
)
View Source 
const MaxVerificationScript = 1024

MaxVerificationScript Verification = m + (PUSH_PubKey * 21) + length + null + syscall = 1 + ((2 + 33) * 21) + 2 + 1 + 5 = 744

View Source 
const NeoTokenId = "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5"

Variables

View Source 
var GasToken, _ = helper.UInt160FromString(GasTokenId)
View Source 
var NeoToken, _ = helper.UInt160FromString(NeoTokenId)

Functions

func CalculateHash 

func CalculateHash(verifiable IVerifiable) *helper.UInt256

func CreateInvocationScript 

func CreateInvocationScript(msg []byte, pairs []keys.KeyPair) ([]byte, error)

CreateInvocationScript pushes signature

func GetSignData 

func GetSignData(verifiable IVerifiable, magic uint32) []byte

func VerifyMultiSignatureWitness 

func VerifyMultiSignatureWitness(msg []byte, witness *Witness) bool

func VerifySignatureWitness 

func VerifySignatureWitness(msg []byte, witness *Witness) bool

Types

type HighPriorityAttribute 

type HighPriorityAttribute struct {
}

only committee can use this attribute

func (*HighPriorityAttribute) AllowMultiple 

func (h *HighPriorityAttribute) AllowMultiple() bool

func (*HighPriorityAttribute) Deserialize 

func (h *HighPriorityAttribute) Deserialize(br *io.BinaryReader)

func (*HighPriorityAttribute) DeserializeWithoutType 

func (h *HighPriorityAttribute) DeserializeWithoutType(br *io.BinaryReader)

func (*HighPriorityAttribute) GetAttributeSize 

func (h *HighPriorityAttribute) GetAttributeSize() int

func (*HighPriorityAttribute) GetAttributeType 

func (h *HighPriorityAttribute) GetAttributeType() TransactionAttributeType

func (*HighPriorityAttribute) Serialize 

func (h *HighPriorityAttribute) Serialize(bw *io.BinaryWriter)

func (*HighPriorityAttribute) SerializeWithoutType 

func (h *HighPriorityAttribute) SerializeWithoutType(bw *io.BinaryWriter)

type ITransactionAttribute 

type ITransactionAttribute interface {
	GetAttributeType() TransactionAttributeType
	AllowMultiple() bool
	GetAttributeSize() int

	Deserialize(br *io.BinaryReader)
	Serialize(bw *io.BinaryWriter)
	DeserializeWithoutType(br *io.BinaryReader)
	SerializeWithoutType(bw *io.BinaryWriter)
}

func CreateTransactionAttribute 

func CreateTransactionAttribute(attributeType TransactionAttributeType) ITransactionAttribute

func DeserializeFrom 

func DeserializeFrom(br *io.BinaryReader) ITransactionAttribute

type IVerifiable 

type IVerifiable interface {
	GetHash() *helper.UInt256
	GetSize() int

	Deserialize(br *io.BinaryReader)
	Serialize(bw *io.BinaryWriter)
	DeserializeUnsigned(br *io.BinaryReader)
	SerializeUnsigned(bw *io.BinaryWriter)

	GetWitnesses() []Witness
	SetWitnesses(data []Witness)
	GetScriptHashesForVerifying() []helper.UInt160
}

type OracleResponseAttribute 

type OracleResponseAttribute struct {
	FixedScript []byte
	Id          uint64
	Code        OracleResponseCode
	Result      []byte
}

only oracle can use this attribute

func NewOracleResponseAttribute 

func NewOracleResponseAttribute() (*OracleResponseAttribute, error)

func (*OracleResponseAttribute) AllowMultiple 

func (o *OracleResponseAttribute) AllowMultiple() bool

func (*OracleResponseAttribute) Deserialize 

func (o *OracleResponseAttribute) Deserialize(br *io.BinaryReader)

func (*OracleResponseAttribute) DeserializeWithoutType 

func (o *OracleResponseAttribute) DeserializeWithoutType(br *io.BinaryReader)

func (*OracleResponseAttribute) GetAttributeSize 

func (o *OracleResponseAttribute) GetAttributeSize() int

func (*OracleResponseAttribute) GetAttributeType 

func (o *OracleResponseAttribute) GetAttributeType() TransactionAttributeType

func (*OracleResponseAttribute) GetMaxResultSize 

func (o *OracleResponseAttribute) GetMaxResultSize() int

func (*OracleResponseAttribute) Serialize 

func (o *OracleResponseAttribute) Serialize(bw *io.BinaryWriter)

func (*OracleResponseAttribute) SerializeWithoutType 

func (o *OracleResponseAttribute) SerializeWithoutType(bw *io.BinaryWriter)

type OracleResponseCode 

type OracleResponseCode byte

func (OracleResponseCode) IsDefined 

func (code OracleResponseCode) IsDefined() bool

type Signer 

type Signer struct {
	Account          *helper.UInt160
	Scopes           WitnessScope
	AllowedContracts []helper.UInt160
	AllowedGroups    []crypto.ECPoint
}

func NewDefaultSigner 

func NewDefaultSigner() *Signer

func NewSigner 

func NewSigner(account *helper.UInt160, scopes WitnessScope) *Signer

func (*Signer) CompareTo 

func (c *Signer) CompareTo(d *Signer) int

func (*Signer) Deserialize 

func (c *Signer) Deserialize(br *io.BinaryReader)

Deserialize implements Serializable interface.

func (*Signer) Serialize 

func (c *Signer) Serialize(bw *io.BinaryWriter)

func (*Signer) Size 

func (c *Signer) Size() int

type SignerSlice 

type SignerSlice []Signer

func (SignerSlice) GetVarSize 

func (cs SignerSlice) GetVarSize() int

type Transaction 

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

func NewTransaction 

func NewTransaction() *Transaction

func (*Transaction) Deserialize 

func (tx *Transaction) Deserialize(br *io.BinaryReader)

Deserialize implements Serializable interface.

func (*Transaction) DeserializeUnsigned 

func (tx *Transaction) DeserializeUnsigned(br *io.BinaryReader)

func (*Transaction) DeserializeWitnesses 

func (tx *Transaction) DeserializeWitnesses(br *io.BinaryReader)

func (*Transaction) FeePerByte 

func (tx *Transaction) FeePerByte() int64

/ The <c>NetworkFee</c> for the transaction divided by its <c>Size</c>. / <para>Note that this property must be used with care. Getting the value of this property multiple times will return the same result. The value of this property can only be obtained after the transaction has been completely built (no longer modified).</para>

func (*Transaction) GetAttributes 

func (tx *Transaction) GetAttributes() []ITransactionAttribute

GetAttributes is the getter of tx.attributes

func (*Transaction) GetHash 

func (tx *Transaction) GetHash() *helper.UInt256

GetHash is the getter of tx._hash, using default magic

func (*Transaction) GetNetworkFee 

func (tx *Transaction) GetNetworkFee() int64

GetNetworkFee is the getter of tx.netfee

func (*Transaction) GetNonce 

func (tx *Transaction) GetNonce() uint32

GetNonce is the getter of tx.nonce

func (*Transaction) GetScript 

func (tx *Transaction) GetScript() []byte

GetScript is the getter of tx.script

func (*Transaction) GetScriptHashesForVerifying 

func (tx *Transaction) GetScriptHashesForVerifying() []helper.UInt160

func (*Transaction) GetSender 

func (tx *Transaction) GetSender() *helper.UInt160

GetSender

func (*Transaction) GetSigners 

func (tx *Transaction) GetSigners() []Signer

GetSigners is the getter of tx.signers

func (*Transaction) GetSize 

func (tx *Transaction) GetSize() int

GetSize is the getter of tx._size

func (*Transaction) GetSystemFee 

func (tx *Transaction) GetSystemFee() int64

GetSystemFee is the getter of tx.sysfee

func (*Transaction) GetValidUntilBlock 

func (tx *Transaction) GetValidUntilBlock() uint32

GetValidUntilBlock is the getter of tx.validUntilBlock

func (*Transaction) GetVersion 

func (tx *Transaction) GetVersion() uint8

GetVersion is the getter of tx.version

func (*Transaction) GetWitnesses 

func (tx *Transaction) GetWitnesses() []Witness

GetWitnesses is the getter of tx.witnesses

func (*Transaction) HeaderSize 

func (tx *Transaction) HeaderSize() int

func (*Transaction) Serialize 

func (tx *Transaction) Serialize(bw *io.BinaryWriter)

Serialize implements Serializable interface.

func (*Transaction) SerializeUnsigned 

func (tx *Transaction) SerializeUnsigned(bw *io.BinaryWriter)

func (*Transaction) SerializeWitnesses 

func (tx *Transaction) SerializeWitnesses(bw *io.BinaryWriter)

func (*Transaction) SetAttributes 

func (tx *Transaction) SetAttributes(value []ITransactionAttribute)

SetAttributes is the setter of tx.attributes

func (*Transaction) SetNetworkFee 

func (tx *Transaction) SetNetworkFee(value int64)

SetNetworkFee is the setter of tx.netfee

func (*Transaction) SetNonce 

func (tx *Transaction) SetNonce(value uint32)

SetNonce is the setter of tx.nonce

func (*Transaction) SetScript 

func (tx *Transaction) SetScript(value []byte)

SetScript is the setter of tx.script

func (*Transaction) SetSigners 

func (tx *Transaction) SetSigners(value []Signer)

SetSigners is the setter of tx.signers

func (*Transaction) SetSystemFee 

func (tx *Transaction) SetSystemFee(value int64)

SetSystemFee is the setter of tx.sysfee

func (*Transaction) SetValidUntilBlock 

func (tx *Transaction) SetValidUntilBlock(value uint32)

SetValidUntilBlock is the setter of tx.validUntilBlock

func (*Transaction) SetVersion 

func (tx *Transaction) SetVersion(value uint8)

SetVersion is the setter of tx.version

func (*Transaction) SetWitnesses 

func (tx *Transaction) SetWitnesses(value []Witness)

SetWitnesses is the setter of tx.witnesses

func (*Transaction) ToByteArray 

func (tx *Transaction) ToByteArray() []byte

ToByteArray returns signed tx data

type TransactionAttributeSlice 

type TransactionAttributeSlice []ITransactionAttribute

func (TransactionAttributeSlice) GetVarSize 

func (ts TransactionAttributeSlice) GetVarSize() int

type TransactionAttributeType 

type TransactionAttributeType byte

Transaction attribute type 

const (
	HighPriority   TransactionAttributeType = 0x01 //
	OracleResponse TransactionAttributeType = 0x11
)

func (TransactionAttributeType) IsDefined 

func (u TransactionAttributeType) IsDefined() bool

func (TransactionAttributeType) String 

func (u TransactionAttributeType) String() string

type Witness 

type Witness struct {
	InvocationScript   []byte // signature
	VerificationScript []byte // pub key
	// contains filtered or unexported fields
}

func CreateContractWitness 

func CreateContractWitness(msg []byte, pairs []keys.KeyPair, contract *sc.Contract) (*Witness, error)

create single signature witness

func CreateMultiSignatureWitness 

func CreateMultiSignatureWitness(msg []byte, pairs []keys.KeyPair, least int, publicKeys []crypto.ECPoint) (*Witness, error)

create multi-signature witness

func CreateSignatureWitness 

func CreateSignatureWitness(msg []byte, pair *keys.KeyPair) (*Witness, error)

func CreateWitness 

func CreateWitness(invocationScript []byte, verificationScript []byte) (*Witness, error)

CreateWitness with invocationScript and verificationScript

func CreateWitnessWithScriptHash 

func CreateWitnessWithScriptHash(scriptHash *helper.UInt160, invocationScript []byte) (witness *Witness)

this is only used for empty VerificationScript, neo block chain will search the contract script with scriptHash

func (*Witness) Deserialize 

func (w *Witness) Deserialize(br *io.BinaryReader)

Deserialize implements Serializable interface.

func (*Witness) GetScriptHash 

func (w *Witness) GetScriptHash() *helper.UInt160

func (*Witness) MarshalJSON 

func (w *Witness) MarshalJSON() ([]byte, error)

MarshalJSON implements the json marshaller interface.

func (*Witness) Serialize 

func (w *Witness) Serialize(bw *io.BinaryWriter)

Serialize implements Serializable interface.

func (*Witness) Size 

func (w *Witness) Size() int

type WitnessScope 

type WitnessScope byte
const (
	/// No contract was witnessed. Only sign the transaction.
	None WitnessScope = 0x00

	/// CalledByEntry means that this condition must hold: EntryScriptHash == CallingScriptHash
	/// No params is needed, as the witness/permission/signature given on first invocation will automatically expire if entering deeper internal invokes
	/// This can be default safe choice for native NEO/GAS (previously used on Neo 2 as "attach" mode)
	CalledByEntry WitnessScope = 0x01

	/// Custom hash for contract-specific
	CustomContracts WitnessScope = 0x10

	/// Custom pubkey for group members
	CustomGroups WitnessScope = 0x20

	/// Global allows this witness in all contexts (default Neo2 behavior)
	/// This cannot be combined with other flags
	Global WitnessScope = 0x80
)

func (WitnessScope) CompareTo 

func (w WitnessScope) CompareTo(other WitnessScope) int

func (WitnessScope) String 

func (w WitnessScope) String() string

type WitnessSlice 

type WitnessSlice []Witness

func (WitnessSlice) Len 

func (ws WitnessSlice) Len() int

func (WitnessSlice) Less 

func (ws WitnessSlice) Less(i, j int) bool

func (WitnessSlice) Swap 

func (ws WitnessSlice) Swap(i, j int)

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