confidential

package

v0.0.3 Latest Latest Go to latest Published: Jul 3, 2020 License: MIT Imports: 6 Imported by: 9

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/vulpemventures/go-elements

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Documentation ¶

Index ¶

Constants
func AssetCommitment(asset []byte, factor []byte) (result [33]byte, err error)
func CommitmentFromBytes(commit []byte) (*secp256k1.Commitment, error)
func ElementsToSatoshiValue(val [ElementsUnconfidentialValueLength]byte) (result uint64, err error)
func FinalValueBlindingFactor(input FinalValueBlindingFactorArg) ([32]byte, error)
func NonceHash(pubKey, privKey []byte) (result [32]byte, err error)
func RangeProof(input RangeProofArg) ([]byte, error)
func SatoshiToElementsValue(val uint64) (result [ElementsUnconfidentialValueLength]byte, err error)
func SurjectionProof(input SurjectionProofArg) ([]byte, error)
func ValueCommitment(value uint64, generator []byte, factor []byte) (result [33]byte, err error)
type FinalValueBlindingFactorArg
type RangeProofArg
type SurjectionProofArg
type UnblindOutputArg
type UnblindOutputResult
- func UnblindOutput(input UnblindOutputArg) (*UnblindOutputResult, error)

Constants ¶

View Source

const (
	ElementsUnconfidentialValueLength = 9
)

Variables ¶

This section is empty.

Functions ¶

func AssetCommitment ¶

func AssetCommitment(asset []byte, factor []byte) (result [33]byte, err error)

AssetCommitment method generates asset commitment

func CommitmentFromBytes ¶ added in v0.0.3

func CommitmentFromBytes(commit []byte) (*secp256k1.Commitment, error)

CommitmentFromBytes parses a raw commitment. This should be moved into go-secp256k1-zkp library, check out https://github.com/vulpemventures/go-elements/pull/79#discussion_r435315406

func ElementsToSatoshiValue ¶

func ElementsToSatoshiValue(val [ElementsUnconfidentialValueLength]byte) (
	result uint64,
	err error,
)

ElementsToSatoshiValue method converts Elements value to Satoshi value

func FinalValueBlindingFactor ¶

func FinalValueBlindingFactor(input FinalValueBlindingFactorArg) (
	[32]byte,
	error,
)

FinalValueBlindingFactor method generates blind sum

func NonceHash ¶

func NonceHash(pubKey, privKey []byte) (
	result [32]byte,
	err error,
)

NonceHash method generates hashed secret based on ecdh

func RangeProof ¶

func RangeProof(input RangeProofArg) ([]byte, error)

RangeProof method calculates range proof

func SatoshiToElementsValue ¶

func SatoshiToElementsValue(val uint64) (
	result [ElementsUnconfidentialValueLength]byte,
	err error,
)

SatoshiToElementsValue method converts Satoshi value to Elements value

func SurjectionProof ¶

func SurjectionProof(input SurjectionProofArg) ([]byte, error)

SurjectionProof method generates surjection proof

func ValueCommitment ¶

func ValueCommitment(value uint64, generator []byte, factor []byte) (
	result [33]byte,
	err error,
)

ValueCommitment method generates value commitment

Types ¶

type FinalValueBlindingFactorArg ¶ added in v0.0.3

type FinalValueBlindingFactorArg struct {
	InValues      []uint64
	OutValues     []uint64
	InGenerators  [][]byte
	OutGenerators [][]byte
	InFactors     [][]byte
	OutFactors    [][]byte
}

type RangeProofArg ¶ added in v0.0.3

type RangeProofArg struct {
	Value               uint64
	Nonce               [32]byte
	Asset               []byte
	AssetBlindingFactor []byte
	ValueBlindFactor    [32]byte
	ValueCommit         []byte
	ScriptPubkey        []byte
	MinValue            uint64
	Exp                 int
	MinBits             int
}

type SurjectionProofArg ¶ added in v0.0.3

type SurjectionProofArg struct {
	OutputAsset               []byte
	OutputAssetBlindingFactor []byte
	InputAssets               [][]byte
	InputAssetBlindingFactors [][]byte
	Seed                      []byte
}

type UnblindOutputArg ¶ added in v0.0.3

type UnblindOutputArg struct {
	Nonce           [32]byte
	Rangeproof      []byte
	ValueCommitment []byte
	AssetCommitment []byte
	ScriptPubkey    []byte
}

type UnblindOutputResult ¶

type UnblindOutputResult struct {
	Value               uint64
	Asset               []byte
	ValueBlindingFactor []byte
	AssetBlindingFactor []byte
}

func UnblindOutput ¶

func UnblindOutput(input UnblindOutputArg) (*UnblindOutputResult, error)

UnblindOutput method unblinds confidential transaction output

Source Files ¶

View all Source files

confidential.go

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