secp256k1fx

package
v1.4.9 Latest Latest
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 Go to latest Published: Jul 5, 2021 License: BSD-3-Clause Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ID = ids.ID{'s', 'e', 'c', 'p', '2', '5', '6', 'k', '1', 'f', 'x'}
)

ID that this Fx uses when labeled

Functions

This section is empty.

Types

type Credential 

type Credential struct {
	Sigs [][crypto.SECP256K1RSigLen]byte `serialize:"true" json:"signatures"`
}

Credential ...

func (*Credential) MarshalJSON 

func (cr *Credential) MarshalJSON() ([]byte, error)

MarshalJSON marshals [cr] to JSON The string representation of each signature is created using the hex formatter

func (*Credential) Verify 

func (cr *Credential) Verify() error

Verify ...

type Factory 

type Factory struct{}

Factory ...

func (*Factory) New 

func (f *Factory) New(*snow.Context) (interface{}, error)

New ...

type Fx 

type Fx struct {
	VM          VM
	SECPFactory crypto.FactorySECP256K1R
	// contains filtered or unexported fields
}

Fx describes the secp256k1 feature extension

func (*Fx) Bootstrapped 

func (fx *Fx) Bootstrapped() error

Bootstrapped ...

func (*Fx) Bootstrapping 

func (fx *Fx) Bootstrapping() error

Bootstrapping ...

func (*Fx) CreateOutput 

func (fx *Fx) CreateOutput(amount uint64, ownerIntf interface{}) (interface{}, error)

CreateOutput creates a new output with the provided control group worth the specified amount

func (*Fx) Initialize 

func (fx *Fx) Initialize(vmIntf interface{}) error

Initialize ...

func (*Fx) InitializeVM 

func (fx *Fx) InitializeVM(vmIntf interface{}) error

InitializeVM ...

func (*Fx) VerifyCredentials 

func (fx *Fx) VerifyCredentials(tx Tx, in *Input, cred *Credential, out *OutputOwners) error

VerifyCredentials ensures that the output can be spent by the input with the credential. A nil return values means the output can be spent.

func (*Fx) VerifyOperation 

func (fx *Fx) VerifyOperation(txIntf, opIntf, credIntf interface{}, utxosIntf []interface{}) error

VerifyOperation ...

func (*Fx) VerifyPermission 

func (fx *Fx) VerifyPermission(txIntf, inIntf, credIntf, ownerIntf interface{}) error

VerifyPermission returns nil iff [credIntf] proves that [controlGroup] assents to [txIntf]

func (*Fx) VerifySpend 

func (fx *Fx) VerifySpend(tx Tx, in *TransferInput, cred *Credential, utxo *TransferOutput) error

VerifySpend ensures that the utxo can be sent to any address

func (*Fx) VerifyTransfer 

func (fx *Fx) VerifyTransfer(txIntf, inIntf, credIntf, utxoIntf interface{}) error

VerifyTransfer ...

type Input 

type Input struct {
	// This input consumes an output, which has an owner list.
	// This input will be spent with a list of signatures.
	// SignatureList[i] is the signature of OwnerList[i]
	SigIndices []uint32 `serialize:"true" json:"signatureIndices"`
}

Input ...

func (*Input) Verify 

func (in *Input) Verify() error

Verify this input is syntactically valid

type Keychain 

type Keychain struct {

	// These can be used to iterate over. However, they should not be modified externally.
	Addrs ids.ShortSet
	Keys  []*crypto.PrivateKeySECP256K1R
	// contains filtered or unexported fields
}

Keychain is a collection of keys that can be used to spend outputs

func NewKeychain 

func NewKeychain() *Keychain

NewKeychain returns a new, empty, keychain

func (*Keychain) Add 

func (kc *Keychain) Add(key *crypto.PrivateKeySECP256K1R)

Add a new key to the key chain

func (Keychain) Addresses 

func (kc Keychain) Addresses() ids.ShortSet

Addresses returns a list of addresses this keychain manages

func (Keychain) Get 

func (kc Keychain) Get(id ids.ShortID) (*crypto.PrivateKeySECP256K1R, bool)

Get a key from the keychain. If the key is unknown, the

func (*Keychain) Match 

func (kc *Keychain) Match(owners *OutputOwners, time uint64) ([]uint32, []*crypto.PrivateKeySECP256K1R, bool)

Match attempts to match a list of addresses up to the provided threshold

func (*Keychain) New 

func (kc *Keychain) New() (*crypto.PrivateKeySECP256K1R, error)

New returns a newly generated private key

func (*Keychain) PrefixedString 

func (kc *Keychain) PrefixedString(prefix string) string

PrefixedString returns the key chain as a string representation with [prefix] added before every line.

func (*Keychain) Spend 

func (kc *Keychain) Spend(out verify.Verifiable, time uint64) (verify.Verifiable, []*crypto.PrivateKeySECP256K1R, error)

Spend attempts to create an input

func (*Keychain) String 

func (kc *Keychain) String() string

type MintOperation 

type MintOperation struct {
	MintInput      Input          `serialize:"true" json:"mintInput"`
	MintOutput     MintOutput     `serialize:"true" json:"mintOutput"`
	TransferOutput TransferOutput `serialize:"true" json:"transferOutput"`
}

MintOperation ...

func (*MintOperation) Outs 

func (op *MintOperation) Outs() []verify.State

Outs ...

func (*MintOperation) Verify 

func (op *MintOperation) Verify() error

Verify ...

type MintOutput 

type MintOutput struct {
	OutputOwners `serialize:"true"`
}

MintOutput ...

func (*MintOutput) Verify 

func (out *MintOutput) Verify() error

Verify ...

func (*MintOutput) VerifyState 

func (out *MintOutput) VerifyState() error

VerifyState ...

type OutputOwners 

type OutputOwners struct {
	Locktime  uint64        `serialize:"true" json:"locktime"`
	Threshold uint32        `serialize:"true" json:"threshold"`
	Addrs     []ids.ShortID `serialize:"true" json:"addresses"`
}

OutputOwners ...

func (*OutputOwners) Addresses 

func (out *OutputOwners) Addresses() [][]byte

Addresses returns the addresses that manage this output

func (*OutputOwners) AddressesSet 

func (out *OutputOwners) AddressesSet() ids.ShortSet

AddressesSet returns addresses as a set

func (*OutputOwners) Equals 

func (out *OutputOwners) Equals(other *OutputOwners) bool

Equals returns true if the provided owners create the same condition

func (*OutputOwners) Sort 

func (out *OutputOwners) Sort()

Sort ...

func (*OutputOwners) Verify 

func (out *OutputOwners) Verify() error

Verify ...

func (*OutputOwners) VerifyState 

func (out *OutputOwners) VerifyState() error

VerifyState ...

type TestTx 

type TestTx struct{ Bytes []byte }

TestTx is a minimal implementation of a Tx

func (*TestTx) UnsignedBytes 

func (tx *TestTx) UnsignedBytes() []byte

UnsignedBytes returns Bytes

type TestVM 

type TestVM struct {
	CLK   timer.Clock
	Codec codec.Registry
	Log   logging.Logger
}

TestVM is a minimal implementation of a VM

func (*TestVM) Clock 

func (vm *TestVM) Clock() *timer.Clock

func (*TestVM) CodecRegistry 

func (vm *TestVM) CodecRegistry() codec.Registry

func (*TestVM) Logger 

func (vm *TestVM) Logger() logging.Logger

type TransferInput 

type TransferInput struct {
	Amt   uint64 `serialize:"true" json:"amount"`
	Input `serialize:"true"`
}

TransferInput ...

func (*TransferInput) Amount 

func (in *TransferInput) Amount() uint64

Amount returns the quantity of the asset this input produces

func (*TransferInput) Verify 

func (in *TransferInput) Verify() error

Verify this input is syntactically valid

type TransferOutput 

type TransferOutput struct {
	Amt uint64 `serialize:"true" json:"amount"`

	OutputOwners `serialize:"true"`
}

TransferOutput ...

func (*TransferOutput) Amount 

func (out *TransferOutput) Amount() uint64

Amount returns the quantity of the asset this output consumes

func (*TransferOutput) Owners 

func (out *TransferOutput) Owners() interface{}

Owners ...

func (*TransferOutput) Verify 

func (out *TransferOutput) Verify() error

Verify ...

func (*TransferOutput) VerifyState 

func (out *TransferOutput) VerifyState() error

VerifyState ...

type Tx 

type Tx interface {
	UnsignedBytes() []byte
}

Tx that this Fx is supporting

type VM 

type VM interface {
	CodecRegistry() codec.Registry
	Clock() *timer.Clock
	Logger() logging.Logger
}

VM that this Fx must be run by

Source Files

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