evidences

Documentation

Overview

Package evidences defines any type of proof that can be used in a chainscript segment It is needed by a store to know how to deserialize a segment containing any type of proof

Index

• Variables
• type BatchProof
  • func (p *BatchProof) FullProof() []byte
  • func (p *BatchProof) Time() uint64
  • func (p *BatchProof) Verify(linkHash interface{}) bool
• type BcBatchProof
  • func (p *BcBatchProof) FullProof() []byte
  • func (p *BcBatchProof) Time() uint64
  • func (p *BcBatchProof) Verify(linkHash interface{}) bool
• type TendermintProof
  • func (p *TendermintProof) FullProof() []byte
  • func (p *TendermintProof) Time() uint64
  • func (p *TendermintProof) Verify(linkHash interface{}) bool
• type TendermintSignature

Variables

var (
	//BatchFossilizerName is the name used as the BatchProof backend
	BatchFossilizerName = "batch"
	//BcBatchFossilizerName is the name used as the BcBatchProof backend
	BcBatchFossilizerName = "bcbatch"
	// TMPopName is the name used as the Tendermint PoP backend
	TMPopName = "TMPop"
)

Types

type BatchProof

type BatchProof struct {
	Timestamp int64          `json:"timestamp"`
	Root      *types.Bytes32 `json:"merkleRoot"`
	Path      types.Path     `json:"merklePath"`
}

BatchProof implements the Proof interface

func (*BatchProof) FullProof

func (p *BatchProof) FullProof() []byte

FullProof returns a JSON formatted proof

func (*BatchProof) Time

func (p *BatchProof) Time() uint64

Time returns the timestamp from the block header

func (*BatchProof) Verify

func (p *BatchProof) Verify(linkHash interface{}) bool

Verify returns true if the proof of a given linkHash is correct

type BcBatchProof

type BcBatchProof struct {
	Batch         BatchProof          `json:"batch"`
	TransactionID types.TransactionID `json:"txid"`
}

BcBatchProof implements the Proof interface

func (*BcBatchProof) FullProof

func (p *BcBatchProof) FullProof() []byte

FullProof returns a JSON formatted proof

func (*BcBatchProof) Time

func (p *BcBatchProof) Time() uint64

Time returns the timestamp from the block header

func (*BcBatchProof) Verify

func (p *BcBatchProof) Verify(linkHash interface{}) bool

Verify returns true if the proof of a given linkHash is correct

type TendermintProof

type TendermintProof struct {
	BlockHeight int64 `json:"blockHeight"`

	Root            *types.Bytes32 `json:"merkleRoot"`
	Path            types.Path     `json:"merklePath"`
	ValidationsHash *types.Bytes32 `json:"validationsHash"`

	// The header and its signatures are needed to validate
	// the previous app hash and metadata such as the height and time
	Header     abci.Header            `json:"header"`
	Signatures []*TendermintSignature `json:"signatures"`

	// The next header and its signatures are needed to validate
	// the app hash representing the validations and merkle path
	NextHeader     abci.Header            `json:"nextHeader"`
	NextSignatures []*TendermintSignature `json:"nextSignatures"`
}

TendermintProof implements the Proof interface

func (*TendermintProof) FullProof

func (p *TendermintProof) FullProof() []byte

FullProof returns a JSON formatted proof

func (*TendermintProof) Time

func (p *TendermintProof) Time() uint64

Time returns the timestamp from the block header

func (*TendermintProof) Verify

func (p *TendermintProof) Verify(linkHash interface{}) bool

Verify returns true if the proof of a given linkHash is correct

type TendermintSignature

type TendermintSignature struct {
	PubKey    crypto.PubKey    `json:"pub_key"`
	Signature crypto.Signature `json:"signature"`
}

TendermintSignature is a signature by one of the Tendermint nodes