tx

package
v1.1.0 Latest Latest
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 Go to latest Published: May 24, 2019 License: LGPL-3.0 Imports: 16 Imported by: 3

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IntrinsicGas 

func IntrinsicGas(clauses ...*Clause) (uint64, error)

IntrinsicGas calculate intrinsic gas cost for tx with such clauses.

Types

type BlockRef 

type BlockRef [8]byte

BlockRef is block reference.

func NewBlockRef 

func NewBlockRef(blockNum uint32) (br BlockRef)

NewBlockRef create block reference with block number.

func NewBlockRefFromID 

func NewBlockRefFromID(blockID thor.Bytes32) (br BlockRef)

NewBlockRefFromID create block reference from block id.

func (BlockRef) Number 

func (br BlockRef) Number() uint32

Number extracts block number.

type Builder 

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

Builder to make it easy to build transaction.

func (*Builder) BlockRef 

func (b *Builder) BlockRef(br BlockRef) *Builder

BlockRef set block reference.

func (*Builder) Build 

func (b *Builder) Build() *Transaction

Build build tx object.

func (*Builder) ChainTag 

func (b *Builder) ChainTag(tag byte) *Builder

ChainTag set chain tag.

func (*Builder) Clause 

func (b *Builder) Clause(c *Clause) *Builder

Clause add a clause.

func (*Builder) DependsOn 

func (b *Builder) DependsOn(txID *thor.Bytes32) *Builder

DependsOn set depended tx.

func (*Builder) Expiration 

func (b *Builder) Expiration(exp uint32) *Builder

Expiration set expiration.

func (*Builder) Features added in v1.1.0 

func (b *Builder) Features(feat Features) *Builder

Features set features.

func (*Builder) Gas 

func (b *Builder) Gas(gas uint64) *Builder

Gas set gas provision for tx.

func (*Builder) GasPriceCoef 

func (b *Builder) GasPriceCoef(coef uint8) *Builder

GasPriceCoef set gas price coef.

func (*Builder) Nonce 

func (b *Builder) Nonce(nonce uint64) *Builder

Nonce set nonce.

type Clause 

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

Clause is the basic execution unit of a transaction.

func NewClause 

func NewClause(to *thor.Address) *Clause

NewClause create a new clause instance.

func (*Clause) Data 

func (c *Clause) Data() []byte

Data returns 'Data'.

func (*Clause) DecodeRLP 

func (c *Clause) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder

func (*Clause) EncodeRLP 

func (c *Clause) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder

func (*Clause) IsCreatingContract 

func (c *Clause) IsCreatingContract() bool

IsCreatingContract return if this clause is going to create a contract.

func (*Clause) String 

func (c *Clause) String() string

func (*Clause) To 

func (c *Clause) To() *thor.Address

To returns 'To' address.

func (*Clause) Value 

func (c *Clause) Value() *big.Int

Value returns 'Value'.

func (*Clause) WithData 

func (c *Clause) WithData(data []byte) *Clause

WithData create a new clause copy with data changed.

func (*Clause) WithValue 

func (c *Clause) WithValue(value *big.Int) *Clause

WithValue create a new clause copy with value changed.

type Event 

type Event struct {
	// address of the contract that generated the event
	Address thor.Address
	// list of topics provided by the contract.
	Topics []thor.Bytes32
	// supplied by the contract, usually ABI-encoded
	Data []byte
}

Event represents a contract event log. These events are generated by the LOG opcode and stored/indexed by the node.

type Events 

type Events []*Event

Events slice of event logs.

type Features added in v1.1.0 

type Features uint32

Features bitset contains tx features. 

const (
	// DelegationFeature See VIP-191 for more detail. (https://github.com/vechain/VIPs/blob/master/vips/VIP-191.md)
	DelegationFeature Features = 1
)

func (Features) IsDelegated added in v1.1.0 

func (f Features) IsDelegated() bool

IsDelegated returns whether tx is delegated.

func (*Features) SetDelegated added in v1.1.0 

func (f *Features) SetDelegated(flag bool)

SetDelegated set tx delegated flag.

type Output 

type Output struct {
	// events produced by the clause
	Events Events
	// transfer occurred in clause
	Transfers Transfers
}

Output output of clause execution.

type Receipt 

type Receipt struct {
	// gas used by this tx
	GasUsed uint64
	// the one who paid for gas
	GasPayer thor.Address
	// energy paid for used gas
	Paid *big.Int
	// energy reward given to block proposer
	Reward *big.Int
	// if the tx reverted
	Reverted bool
	// outputs of clauses in tx
	Outputs []*Output
}

Receipt represents the results of a transaction.

type Receipts 

type Receipts []*Receipt

Receipts slice of receipts.

func (Receipts) RootHash 

func (rs Receipts) RootHash() thor.Bytes32

RootHash computes merkle root hash of receipts.

type Transaction 

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

Transaction is an immutable tx type.

func (*Transaction) BlockRef 

func (t *Transaction) BlockRef() (br BlockRef)

BlockRef returns block reference, which is first 8 bytes of block hash.

func (*Transaction) ChainTag 

func (t *Transaction) ChainTag() byte

ChainTag returns chain tag.

func (*Transaction) Clauses 

func (t *Transaction) Clauses() []*Clause

Clauses returns caluses in tx.

func (*Transaction) DecodeRLP 

func (t *Transaction) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder

func (*Transaction) Delegator added in v1.1.0 

func (t *Transaction) Delegator() (*thor.Address, error)

Delegator returns delegator address who would like to pay for gas fee.

func (*Transaction) DelegatorSigningHash added in v1.1.0 

func (t *Transaction) DelegatorSigningHash(origin thor.Address) (hash thor.Bytes32)

DelegatorSigningHash returns hash of tx components for delegator to sign, by assuming originator address. According to VIP-191, it's identical to tx id.

func (*Transaction) DependsOn 

func (t *Transaction) DependsOn() *thor.Bytes32

DependsOn returns depended tx hash.

func (*Transaction) EncodeRLP 

func (t *Transaction) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder

func (*Transaction) EvaluateWork 

func (t *Transaction) EvaluateWork(origin thor.Address) func(nonce uint64) *big.Int

EvaluateWork try to compute work when tx origin assumed.

func (*Transaction) Expiration 

func (t *Transaction) Expiration() uint32

Expiration returns expiration in unit block. A valid transaction requires: blockNum in [blockRef.Num... blockRef.Num + Expiration]

func (*Transaction) Features added in v1.1.0 

func (t *Transaction) Features() Features

Features returns features.

func (*Transaction) Gas 

func (t *Transaction) Gas() uint64

Gas returns gas provision for this tx.

func (*Transaction) GasPrice 

func (t *Transaction) GasPrice(baseGasPrice *big.Int) *big.Int

GasPrice returns gas price. gasPrice = baseGasPrice + baseGasPrice * gasPriceCoef / 255

func (*Transaction) GasPriceCoef 

func (t *Transaction) GasPriceCoef() uint8

GasPriceCoef returns gas price coef. gas price = bgp + bgp * gpc / 255.

func (*Transaction) Hash added in v1.0.8 

func (t *Transaction) Hash() (hash thor.Bytes32)

Hash returns hash of tx. Unlike ID, it's the hash of RLP encoded tx.

func (*Transaction) ID 

func (t *Transaction) ID() (id thor.Bytes32)

ID returns id of tx. ID = hash(signingHash, origin). It returns zero Bytes32 if origin not available.

func (*Transaction) IntrinsicGas 

func (t *Transaction) IntrinsicGas() (uint64, error)

IntrinsicGas returns intrinsic gas of tx.

func (*Transaction) IsExpired 

func (t *Transaction) IsExpired(blockNum uint32) bool

IsExpired returns whether the tx is expired according to the given blockNum.

func (*Transaction) Nonce 

func (t *Transaction) Nonce() uint64

Nonce returns nonce value.

func (*Transaction) Origin added in v1.1.0 

func (t *Transaction) Origin() (thor.Address, error)

Origin extract address of tx originator from signature.

func (*Transaction) OverallGasPrice 

func (t *Transaction) OverallGasPrice(baseGasPrice *big.Int, headBlockNum uint32, getBlockID func(uint32) thor.Bytes32) *big.Int

OverallGasPrice calculate overall gas price. overallGasPrice = gasPrice + baseGasPrice * wgas/gas.

func (*Transaction) ProvedWork 

func (t *Transaction) ProvedWork(headBlockNum uint32, getBlockID func(uint32) thor.Bytes32) *big.Int

ProvedWork returns proved work. Unproved work will be considered as proved work if block ref is do the prefix of a block's ID, and tx delay is less equal to MaxTxWorkDelay.

func (*Transaction) Signature 

func (t *Transaction) Signature() []byte

Signature returns signature.

func (*Transaction) SigningHash 

func (t *Transaction) SigningHash() (hash thor.Bytes32)

SigningHash returns hash of tx excludes signature.

func (*Transaction) Size 

func (t *Transaction) Size() metric.StorageSize

Size returns size in bytes when RLP encoded.

func (*Transaction) String 

func (t *Transaction) String() string

func (*Transaction) TestFeatures added in v1.1.0 

func (t *Transaction) TestFeatures(supported Features) error

TestFeatures test if the tx is compatible with given supported features. An error returned if it is incompatible.

func (*Transaction) UnprovedWork 

func (t *Transaction) UnprovedWork() (w *big.Int)

UnprovedWork returns unproved work of this tx. It returns 0, if tx is not signed.

func (*Transaction) WithSignature 

func (t *Transaction) WithSignature(sig []byte) *Transaction

WithSignature create a new tx with signature set. For delegated tx, sig is joined with signatures of originator and delegator.

type Transactions 

type Transactions []*Transaction

Transactions a slice of transactions.

func (Transactions) RootHash 

func (txs Transactions) RootHash() thor.Bytes32

RootHash computes merkle root hash of transactions.

type Transfer 

type Transfer struct {
	Sender    thor.Address
	Recipient thor.Address
	Amount    *big.Int
}

Transfer token transfer log.

type Transfers 

type Transfers []*Transfer

Transfers slisce of transfer logs.

Source Files

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