legacy

package
v0.0.0-...-6d4bf48 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 3, 2023 License: AGPL-3.0 Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	SerBlockWitness      = 1
	SerBlockTransactions = 2

	SerBlockSigHash = 0
	SerBlockHeader  = SerBlockWitness
	SerBlockFull    = SerBlockWitness | SerBlockTransactions
)
View Source 
const (
	SerWitness uint8 = 1 << iota
	SerPrevout
	SerMetadata

	// Bit mask for accepted serialization flags.
	// All other flag bits must be 0.
	SerTxHash = 0x0 // this is used only for computing transaction hash - prevout and refdata are replaced with their hashes
	SerValid  = 0x7
)

These flags are part of the wire protocol; they must not change.

View Source 
const CurrentTransactionVersion = 1

CurrentTransactionVersion is the current latest supported transaction version.

Variables

This section is empty.

Functions

func ComputeOutputID 

func ComputeOutputID(sc *SpendCommitment) (h bc.Hash, err error)

ComputeOutputID assembles an output entry given a spend commitment and computes and returns its corresponding entry ID.

func MapBlock 

func MapBlock(old *Block) *bc.Block

func MapTx 

func MapTx(oldTx *TxData) *bc.Tx

MapTx converts a legacy TxData object into its entries-based representation.

Types

type Block 

type Block struct {
	BlockHeader
	Transactions []*Tx
}

Block describes a complete block, including its header and the transactions it contains.

func (*Block) MarshalText 

func (b *Block) MarshalText() ([]byte, error)

MarshalText fulfills the json.Marshaler interface. This guarantees that blocks will get deserialized correctly when being parsed from HTTP requests.

func (*Block) Scan 

func (b *Block) Scan(val interface{}) error

Scan fulfills the sql.Scanner interface.

func (*Block) UnmarshalText 

func (b *Block) UnmarshalText(text []byte) error

UnmarshalText fulfills the encoding.TextUnmarshaler interface.

func (*Block) Value 

func (b *Block) Value() (driver.Value, error)

Value fulfills the sql.driver.Valuer interface.

func (*Block) WriteTo 

func (b *Block) WriteTo(w io.Writer) (int64, error)

type BlockCommitment 

type BlockCommitment struct {
	// TransactionsMerkleRoot is the root hash of the Merkle binary hash
	// tree formed by the hashes of all transactions included in the
	// block.
	TransactionsMerkleRoot bc.Hash

	// AssetsMerkleRoot is the root hash of the Merkle Patricia Tree of
	// the set of unspent outputs with asset version 1 after applying
	// the block.
	AssetsMerkleRoot bc.Hash

	// ConsensusProgram is the predicate for validating the next block.
	ConsensusProgram []byte
}

type BlockHeader 

type BlockHeader struct {
	// Version of the block.
	Version uint64

	// Height of the block in the block chain.
	// Initial block has height 1.
	Height uint64

	// Hash of the previous block in the block chain.
	PreviousBlockHash bc.Hash

	// Time of the block in milliseconds.
	// Must grow monotonically and can be equal
	// to the time in the previous block.
	TimestampMS uint64

	BlockCommitment
	CommitmentSuffix []byte

	BlockWitness
	WitnessSuffix []byte
}

BlockHeader describes necessary data of the block.

func (*BlockHeader) Hash 

func (bh *BlockHeader) Hash() bc.Hash

Hash returns complete hash of the block header.

func (*BlockHeader) MarshalText 

func (bh *BlockHeader) MarshalText() ([]byte, error)

MarshalText fulfills the json.Marshaler interface. This guarantees that block headers will get deserialized correctly when being parsed from HTTP requests.

func (*BlockHeader) Scan 

func (bh *BlockHeader) Scan(val interface{}) error

func (*BlockHeader) Time 

func (bh *BlockHeader) Time() time.Time

Time returns the time represented by the Timestamp in bh.

func (*BlockHeader) UnmarshalText 

func (bh *BlockHeader) UnmarshalText(text []byte) error

UnmarshalText fulfills the encoding.TextUnmarshaler interface.

func (*BlockHeader) Value 

func (bh *BlockHeader) Value() (driver.Value, error)

func (*BlockHeader) WriteTo 

func (bh *BlockHeader) WriteTo(w io.Writer) (int64, error)

type BlockWitness 

type BlockWitness struct {
	// Witness is a vector of arguments to the previous block's
	// ConsensusProgram for validating this block.
	Witness [][]byte
}

type IssuanceInput 

type IssuanceInput struct {
	// Commitment
	Nonce  []byte
	Amount uint64

	// Witness
	IssuanceWitness
}

func (*IssuanceInput) AssetDefinitionHash 

func (ii *IssuanceInput) AssetDefinitionHash() (defhash bc.Hash)

func (*IssuanceInput) AssetID 

func (ii *IssuanceInput) AssetID() bc.AssetID

func (*IssuanceInput) IsIssuance 

func (ii *IssuanceInput) IsIssuance() bool

type IssuanceWitness 

type IssuanceWitness struct {
	InitialBlock    bc.Hash
	AssetDefinition []byte
	VMVersion       uint64
	IssuanceProgram []byte
	Arguments       [][]byte
}

type OutputCommitment 

type OutputCommitment struct {
	bc.AssetAmount
	VMVersion      uint64
	ControlProgram []byte
}

OutputCommitment contains the commitment data for a transaction output (which also appears in the spend input of that output).

func (*OutputCommitment) Hash 

func (oc *OutputCommitment) Hash(suffix []byte, assetVersion uint64) (outputhash bc.Hash)

type SpendCommitment 

type SpendCommitment struct {
	bc.AssetAmount
	SourceID       bc.Hash
	SourcePosition uint64
	VMVersion      uint64
	ControlProgram []byte
	RefDataHash    bc.Hash
}

SpendCommitment contains the commitment data for a transaction output (which also appears in the spend input of that output).

func (*SpendCommitment) Hash 

func (sc *SpendCommitment) Hash(suffix []byte, assetVersion uint64) (spendhash bc.Hash)

type SpendInput 

type SpendInput struct {
	// Commitment
	SpendCommitment

	// The unconsumed suffix of the output commitment
	SpendCommitmentSuffix []byte

	// Witness
	Arguments [][]byte
}

SpendInput satisfies the TypedInput interface and represents a spend transaction.

func (*SpendInput) IsIssuance 

func (si *SpendInput) IsIssuance() bool

type Tx 

type Tx struct {
	TxData
	*bc.Tx `json:"-"`
}

Tx holds a transaction along with its hash.

func NewTx 

func NewTx(data TxData) *Tx

NewTx returns a new Tx containing data and its hash. If you have already computed the hash, use struct literal notation to make a Tx object directly.

func (*Tx) IssuanceHash 

func (tx *Tx) IssuanceHash(n int) bc.Hash

func (*Tx) OutputID 

func (tx *Tx) OutputID(outputIndex int) *bc.Hash

func (*Tx) SetInputArguments 

func (tx *Tx) SetInputArguments(n uint32, args [][]byte)

SetInputArguments sets the Arguments field in input n.

func (*Tx) UnmarshalText 

func (tx *Tx) UnmarshalText(p []byte) error

type TxData 

type TxData struct {
	Version uint64
	Inputs  []*TxInput
	Outputs []*TxOutput

	// Common fields
	MinTime uint64
	MaxTime uint64

	// The unconsumed suffix of the common fields extensible string
	CommonFieldsSuffix []byte

	// The unconsumed suffix of the common witness extensible string
	CommonWitnessSuffix []byte

	ReferenceData []byte
}

TxData encodes a transaction in the blockchain. Most users will want to use Tx instead; it includes the hash.

func (*TxData) HasIssuance 

func (tx *TxData) HasIssuance() bool

HasIssuance returns true if this transaction has an issuance input.

func (*TxData) MarshalText 

func (tx *TxData) MarshalText() ([]byte, error)

func (*TxData) UnmarshalText 

func (tx *TxData) UnmarshalText(p []byte) error

func (*TxData) WriteTo 

func (tx *TxData) WriteTo(w io.Writer) (int64, error)

WriteTo writes tx to w.

type TxInput 

type TxInput struct {
	AssetVersion  uint64
	ReferenceData []byte
	TypedInput

	// Unconsumed suffixes of the commitment and witness extensible
	// strings.
	CommitmentSuffix []byte
	WitnessSuffix    []byte
}

func NewIssuanceInput 

func NewIssuanceInput(
	nonce []byte,
	amount uint64,
	referenceData []byte,
	initialBlock bc.Hash,
	issuanceProgram []byte,
	arguments [][]byte,
	assetDefinition []byte,
) *TxInput

func NewSpendInput 

func NewSpendInput(arguments [][]byte, sourceID bc.Hash, assetID bc.AssetID, amount uint64, sourcePos uint64, controlProgram []byte, outRefDataHash bc.Hash, referenceData []byte) *TxInput

func (*TxInput) Amount 

func (t *TxInput) Amount() uint64

func (*TxInput) Arguments 

func (t *TxInput) Arguments() [][]byte

func (*TxInput) AssetAmount 

func (t *TxInput) AssetAmount() bc.AssetAmount

func (*TxInput) AssetID 

func (t *TxInput) AssetID() bc.AssetID

func (*TxInput) ControlProgram 

func (t *TxInput) ControlProgram() []byte

func (*TxInput) IssuanceProgram 

func (t *TxInput) IssuanceProgram() []byte

func (*TxInput) SetArguments 

func (t *TxInput) SetArguments(args [][]byte)

func (*TxInput) SpentOutputID 

func (t *TxInput) SpentOutputID() (o bc.Hash, err error)

func (*TxInput) WriteInputCommitment 

func (t *TxInput) WriteInputCommitment(w io.Writer, serflags uint8) error

type TxOutput 

type TxOutput struct {
	AssetVersion uint64
	OutputCommitment

	// Unconsumed suffixes of the commitment and witness extensible strings.
	CommitmentSuffix []byte
	WitnessSuffix    []byte

	ReferenceData []byte
}

func NewTxOutput 

func NewTxOutput(assetID bc.AssetID, amount uint64, controlProgram, referenceData []byte) *TxOutput

func (*TxOutput) CommitmentHash 

func (to *TxOutput) CommitmentHash() bc.Hash

func (*TxOutput) WriteCommitment 

func (to *TxOutput) WriteCommitment(w io.Writer) error

type TypedInput 

type TypedInput interface {
	IsIssuance() bool
}

Source Files

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