utils

package
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 Go to latest Published: Jan 9, 2019 License: Apache-2.0 Imports: 16 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func ChannelHeader 

func ChannelHeader(env *cb.Envelope) (*cb.ChannelHeader, error)

ChannelHeader returns the *cb.ChannelHeader for a given *cb.Envelope.

func ChannelID 

func ChannelID(env *cb.Envelope) (string, error)

ChannelID returns the Channel ID for a given *cb.Envelope.

func CheckTxID 

func CheckTxID(txid string, nonce, creator []byte) error

CheckTxID checks that txid is equal to the Hash computed over the concatenation of nonce and creator.

func ComputeProposalBinding 

func ComputeProposalBinding(proposal *peer.Proposal) ([]byte, error)

ComputeProposalBinding computes the binding of a proposal

func ComputeTxID 

func ComputeTxID(nonce, creator []byte) (string, error)

ComputeTxID computes TxID as the Hash computed over the concatenation of nonce and creator.

func CopyBlockMetadata 

func CopyBlockMetadata(src *cb.Block, dst *cb.Block)

CopyBlockMetadata copies metadata from one block into another

func CreateChaincodeProposal 

func CreateChaincodeProposal(typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, creator []byte) (*peer.Proposal, string, error)

CreateChaincodeProposal creates a proposal from given input. It returns the proposal and the transaction id associated to the proposal

func CreateChaincodeProposalWithTransient 

func CreateChaincodeProposalWithTransient(typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, creator []byte, transientMap map[string][]byte) (*peer.Proposal, string, error)

CreateChaincodeProposalWithTransient creates a proposal from given input It returns the proposal and the transaction id associated to the proposal

func CreateChaincodeProposalWithTxIDAndTransient 

func CreateChaincodeProposalWithTxIDAndTransient(typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, creator []byte, txid string, transientMap map[string][]byte) (*peer.Proposal, string, error)

CreateChaincodeProposalWithTxIDAndTransient creates a proposal from given input. It returns the proposal and the transaction id associated with the proposal

func CreateChaincodeProposalWithTxIDNonceAndTransient 

func CreateChaincodeProposalWithTxIDNonceAndTransient(txid string, typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, nonce, creator []byte, transientMap map[string][]byte) (*peer.Proposal, string, error)

CreateChaincodeProposalWithTxIDNonceAndTransient creates a proposal from given input

func CreateDeployProposalFromCDS 

func CreateDeployProposalFromCDS(
	chainID string,
	cds *peer.ChaincodeDeploymentSpec,
	creator []byte,
	policy []byte,
	escc []byte,
	vscc []byte,
	collectionConfig []byte) (*peer.Proposal, string, error)

CreateDeployProposalFromCDS returns a deploy proposal given a serialized identity and a ChaincodeDeploymentSpec

func CreateGetChaincodesProposal 

func CreateGetChaincodesProposal(chainID string, creator []byte) (*peer.Proposal, string, error)

CreateGetChaincodesProposal returns a GETCHAINCODES proposal given a serialized identity

func CreateGetInstalledChaincodesProposal 

func CreateGetInstalledChaincodesProposal(creator []byte) (*peer.Proposal, string, error)

CreateGetInstalledChaincodesProposal returns a GETINSTALLEDCHAINCODES proposal given a serialized identity

func CreateInstallProposalFromCDS 

func CreateInstallProposalFromCDS(ccpack proto.Message, creator []byte) (*peer.Proposal, string, error)

CreateInstallProposalFromCDS returns a install proposal given a serialized identity and a ChaincodeDeploymentSpec

func CreateNonce 

func CreateNonce() ([]byte, error)

CreateNonce generates a nonce using the common/crypto package.

func CreateNonceOrPanic 

func CreateNonceOrPanic() []byte

CreateNonceOrPanic generates a nonce using the common/crypto package and panics if this operation fails.

func CreateProposalFromCIS 

func CreateProposalFromCIS(typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, creator []byte) (*peer.Proposal, string, error)

CreateProposalFromCIS returns a proposal given a serialized identity and a ChaincodeInvocationSpec

func CreateProposalFromCISAndTxid 

func CreateProposalFromCISAndTxid(txid string, typ common.HeaderType, chainID string, cis *peer.ChaincodeInvocationSpec, creator []byte) (*peer.Proposal, string, error)

CreateProposalFromCISAndTxid returns a proposal given a serialized identity and a ChaincodeInvocationSpec

func CreateProposalResponse 

func CreateProposalResponse(hdrbytes []byte, payl []byte, response *peer.Response, results []byte, events []byte, ccid *peer.ChaincodeID, visibility []byte, signingEndorser msp.SigningIdentity) (*peer.ProposalResponse, error)

CreateProposalResponse creates a proposal response.

func CreateProposalResponseFailure 

func CreateProposalResponseFailure(hdrbytes []byte, payl []byte, response *peer.Response, results []byte, events []byte, ccid *peer.ChaincodeID, visibility []byte) (*peer.ProposalResponse, error)

CreateProposalResponseFailure creates a proposal response for cases where endorsement proposal fails either due to a endorsement failure or a chaincode failure (chaincode response status >= shim.ERRORTHRESHOLD)

func CreateSignedEnvelope 

func CreateSignedEnvelope(txType common.HeaderType, channelID string, signer crypto.LocalSigner, dataMsg proto.Message, msgVersion int32, epoch uint64) (*common.Envelope, error)

CreateSignedEnvelope creates a signed envelope of the desired type, with marshaled dataMsg and signs it

func CreateSignedEnvelopeWithTLSBinding 

func CreateSignedEnvelopeWithTLSBinding(txType common.HeaderType, channelID string, signer crypto.LocalSigner, dataMsg proto.Message, msgVersion int32, epoch uint64, tlsCertHash []byte) (*common.Envelope, error)

CreateSignedEnvelopeWithTLSBinding creates a signed envelope of the desired type, with marshaled dataMsg and signs it. It also includes a TLS cert hash into the channel header

func CreateSignedTx 

func CreateSignedTx(proposal *peer.Proposal, signer msp.SigningIdentity, resps ...*peer.ProposalResponse) (*common.Envelope, error)

CreateSignedTx assembles an Envelope message from proposal, endorsements, and a signer. This function should be called by a client when it has collected enough endorsements for a proposal to create a transaction and submit it to peers for ordering

func CreateUpgradeProposalFromCDS 

func CreateUpgradeProposalFromCDS(
	chainID string,
	cds *peer.ChaincodeDeploymentSpec,
	creator []byte,
	policy []byte,
	escc []byte,
	vscc []byte,
	collectionConfig []byte) (*peer.Proposal, string, error)

CreateUpgradeProposalFromCDS returns a upgrade proposal given a serialized identity and a ChaincodeDeploymentSpec

func EnvelopeToConfigUpdate 

func EnvelopeToConfigUpdate(configtx *cb.Envelope) (*cb.ConfigUpdateEnvelope, error)

EnvelopeToConfigUpdate is used to extract a ConfigUpdateEnvelope from an envelope of type CONFIG_UPDATE

func ExtractEnvelope 

func ExtractEnvelope(block *cb.Block, index int) (*cb.Envelope, error)

ExtractEnvelope retrieves the requested envelope from a given block and unmarshals it

func ExtractEnvelopeOrPanic 

func ExtractEnvelopeOrPanic(block *cb.Block, index int) *cb.Envelope

ExtractEnvelopeOrPanic retrieves the requested envelope from a given block and unmarshals it -- it panics if either of these operations fail

func ExtractPayload 

func ExtractPayload(envelope *cb.Envelope) (*cb.Payload, error)

ExtractPayload retrieves the payload of a given envelope and unmarshals it.

func ExtractPayloadOrPanic 

func ExtractPayloadOrPanic(envelope *cb.Envelope) *cb.Payload

ExtractPayloadOrPanic retrieves the payload of a given envelope and unmarshals it -- it panics if either of these operations fail

func GetActionFromEnvelope 

func GetActionFromEnvelope(envBytes []byte) (*peer.ChaincodeAction, error)

GetActionFromEnvelope extracts a ChaincodeAction message from a serialized Envelope TODO: fix function name as per FAB-11831

func GetActionFromEnvelopeMsg 

func GetActionFromEnvelopeMsg(env *common.Envelope) (*peer.ChaincodeAction, error)

func GetBlockFromBlockBytes 

func GetBlockFromBlockBytes(blockBytes []byte) (*cb.Block, error)

GetBlockFromBlockBytes marshals the bytes into Block

func GetBytesChaincodeActionPayload 

func GetBytesChaincodeActionPayload(cap *peer.ChaincodeActionPayload) ([]byte, error)

GetBytesChaincodeActionPayload get the bytes of ChaincodeActionPayload from the message

func GetBytesChaincodeEvent 

func GetBytesChaincodeEvent(event *peer.ChaincodeEvent) ([]byte, error)

GetBytesChaincodeEvent gets the bytes of ChaincodeEvent

func GetBytesChaincodeProposalPayload 

func GetBytesChaincodeProposalPayload(cpp *peer.ChaincodeProposalPayload) ([]byte, error)

GetBytesChaincodeProposalPayload gets the chaincode proposal payload

func GetBytesEnvelope 

func GetBytesEnvelope(env *common.Envelope) ([]byte, error)

GetBytesEnvelope get the bytes of Envelope from the message

func GetBytesHeader 

func GetBytesHeader(hdr *common.Header) ([]byte, error)

GetBytesHeader get the bytes of Header from the message

func GetBytesPayload 

func GetBytesPayload(payl *common.Payload) ([]byte, error)

GetBytesPayload get the bytes of Payload from the message

func GetBytesProposal 

func GetBytesProposal(prop *peer.Proposal) ([]byte, error)

GetBytesProposal returns the bytes of a proposal message

func GetBytesProposalPayloadForTx 

func GetBytesProposalPayloadForTx(payload *peer.ChaincodeProposalPayload, visibility []byte) ([]byte, error)

GetBytesProposalPayloadForTx takes a ChaincodeProposalPayload and returns its serialized version according to the visibility field

func GetBytesProposalResponse 

func GetBytesProposalResponse(pr *peer.ProposalResponse) ([]byte, error)

GetBytesProposalResponse gets proposal bytes response

func GetBytesProposalResponsePayload 

func GetBytesProposalResponsePayload(hash []byte, response *peer.Response, result []byte, event []byte, ccid *peer.ChaincodeID) ([]byte, error)

GetBytesProposalResponsePayload gets proposal response payload

func GetBytesResponse 

func GetBytesResponse(res *peer.Response) ([]byte, error)

GetBytesResponse gets the bytes of Response

func GetBytesSignatureHeader 

func GetBytesSignatureHeader(hdr *common.SignatureHeader) ([]byte, error)

GetBytesSignatureHeader get the bytes of SignatureHeader from the message

func GetBytesTransaction 

func GetBytesTransaction(tx *peer.Transaction) ([]byte, error)

GetBytesTransaction get the bytes of Transaction from the message

func GetChainIDFromBlock 

func GetChainIDFromBlock(block *cb.Block) (string, error)

GetChainIDFromBlock returns chain ID in the block

func GetChainIDFromBlockBytes 

func GetChainIDFromBlockBytes(bytes []byte) (string, error)

GetChainIDFromBlockBytes returns chain ID given byte array which represents the block

func GetChaincodeAction 

func GetChaincodeAction(caBytes []byte) (*peer.ChaincodeAction, error)

GetChaincodeAction gets the ChaincodeAction given chaicnode action bytes

func GetChaincodeActionPayload 

func GetChaincodeActionPayload(capBytes []byte) (*peer.ChaincodeActionPayload, error)

GetChaincodeActionPayload Get ChaincodeActionPayload from bytes

func GetChaincodeDeploymentSpec 

func GetChaincodeDeploymentSpec(code []byte, pr *platforms.Registry) (*peer.ChaincodeDeploymentSpec, error)

GetChaincodeDeploymentSpec returns a ChaincodeDeploymentSpec given args

func GetChaincodeEvents 

func GetChaincodeEvents(eBytes []byte) (*peer.ChaincodeEvent, error)

GetChaincodeEvents gets the ChaincodeEvents given chaincode event bytes

func GetChaincodeHeaderExtension 

func GetChaincodeHeaderExtension(hdr *common.Header) (*peer.ChaincodeHeaderExtension, error)

GetChaincodeHeaderExtension get chaincode header extension given header

func GetChaincodeInvocationSpec 

func GetChaincodeInvocationSpec(prop *peer.Proposal) (*peer.ChaincodeInvocationSpec, error)

GetChaincodeInvocationSpec get the ChaincodeInvocationSpec from the proposal

func GetChaincodeProposalContext 

func GetChaincodeProposalContext(prop *peer.Proposal) ([]byte, map[string][]byte, error)

GetChaincodeProposalContext returns creator and transient

func GetChaincodeProposalPayload 

func GetChaincodeProposalPayload(bytes []byte) (*peer.ChaincodeProposalPayload, error)

GetChaincodeProposalPayload Get ChaincodeProposalPayload from bytes

func GetEnvelopeFromBlock 

func GetEnvelopeFromBlock(data []byte) (*common.Envelope, error)

GetEnvelopeFromBlock gets an envelope from a block's Data field.

func GetHeader 

func GetHeader(bytes []byte) (*common.Header, error)

GetHeader Get Header from bytes

func GetLastConfigIndexFromBlock 

func GetLastConfigIndexFromBlock(block *cb.Block) (uint64, error)

GetLastConfigIndexFromBlock retrieves the index of the last config block as encoded in the block metadata

func GetLastConfigIndexFromBlockOrPanic 

func GetLastConfigIndexFromBlockOrPanic(block *cb.Block) uint64

GetLastConfigIndexFromBlockOrPanic retrieves the index of the last config block as encoded in the block metadata, or panics on error

func GetMetadataFromBlock 

func GetMetadataFromBlock(block *cb.Block, index cb.BlockMetadataIndex) (*cb.Metadata, error)

GetMetadataFromBlock retrieves metadata at the specified index.

func GetMetadataFromBlockOrPanic 

func GetMetadataFromBlockOrPanic(block *cb.Block, index cb.BlockMetadataIndex) *cb.Metadata

GetMetadataFromBlockOrPanic retrieves metadata at the specified index, or panics on error

func GetNonce 

func GetNonce(prop *peer.Proposal) ([]byte, error)

GetNonce returns the nonce used in Proposal

func GetPayload 

func GetPayload(e *common.Envelope) (*common.Payload, error)

GetPayload Get Payload from Envelope message

func GetPayloads 

func GetPayloads(txActions *peer.TransactionAction) (*peer.ChaincodeActionPayload, *peer.ChaincodeAction, error)

GetPayloads gets the underlying payload objects in a TransactionAction

func GetProposal 

func GetProposal(propBytes []byte) (*peer.Proposal, error)

GetProposal returns a Proposal message from its bytes

func GetProposalHash1 

func GetProposalHash1(header *common.Header, ccPropPayl []byte, visibility []byte) ([]byte, error)

GetProposalHash1 gets the proposal hash bytes after sanitizing the chaincode proposal payload according to the rules of visibility

func GetProposalHash2 

func GetProposalHash2(header *common.Header, ccPropPayl []byte) ([]byte, error)

GetProposalHash2 gets the proposal hash - this version is called by the committer where the visibility policy has already been enforced and so we already get what we have to get in ccPropPayl

func GetProposalResponse 

func GetProposalResponse(prBytes []byte) (*peer.ProposalResponse, error)

GetProposalResponse given proposal in bytes

func GetProposalResponsePayload 

func GetProposalResponsePayload(prpBytes []byte) (*peer.ProposalResponsePayload, error)

GetProposalResponsePayload gets the proposal response payload

func GetResponse 

func GetResponse(resBytes []byte) (*peer.Response, error)

GetResponse gets the Response given response bytes

func GetSignatureHeader 

func GetSignatureHeader(bytes []byte) (*common.SignatureHeader, error)

GetSignatureHeader Get SignatureHeader from bytes

func GetSignedProposal 

func GetSignedProposal(prop *peer.Proposal, signer msp.SigningIdentity) (*peer.SignedProposal, error)

GetSignedProposal returns a signed proposal given a Proposal message and a signing identity

func GetTransaction 

func GetTransaction(txBytes []byte) (*peer.Transaction, error)

GetTransaction Get Transaction from bytes

func InitBlockMetadata 

func InitBlockMetadata(block *cb.Block)

InitBlockMetadata copies metadata from one block into another

func IsConfigBlock 

func IsConfigBlock(block *cb.Block) bool

IsConfigBlock validates whenever given block contains configuration update transaction

func MakeChannelHeader 

func MakeChannelHeader(headerType cb.HeaderType, version int32, chainID string, epoch uint64) *cb.ChannelHeader

MakeChannelHeader creates a ChannelHeader.

func MakePayloadHeader 

func MakePayloadHeader(ch *cb.ChannelHeader, sh *cb.SignatureHeader) *cb.Header

MakePayloadHeader creates a Payload Header.

func MakeSignatureHeader 

func MakeSignatureHeader(serializedCreatorCertChain []byte, nonce []byte) *cb.SignatureHeader

MakeSignatureHeader creates a SignatureHeader.

func Marshal 

func Marshal(pb proto.Message) ([]byte, error)

Marshal serializes a protobuf message.

func MarshalOrPanic 

func MarshalOrPanic(pb proto.Message) []byte

MarshalOrPanic serializes a protobuf message and panics if this operation fails

func MockSignedEndorserProposal2OrPanic 

func MockSignedEndorserProposal2OrPanic(chainID string, cs *peer.ChaincodeSpec, signer msp.SigningIdentity) (*peer.SignedProposal, *peer.Proposal)

func MockSignedEndorserProposalOrPanic 

func MockSignedEndorserProposalOrPanic(chainID string, cs *peer.ChaincodeSpec, creator, signature []byte) (*peer.SignedProposal, *peer.Proposal)

MockSignedEndorserProposalOrPanic creates a SignedProposal with the passed arguments

func NewSignatureHeaderOrPanic 

func NewSignatureHeaderOrPanic(signer crypto.LocalSigner) *cb.SignatureHeader

NewSignatureHeaderOrPanic returns a signature header and panics on error.

func SetTxID 

func SetTxID(channelHeader *cb.ChannelHeader, signatureHeader *cb.SignatureHeader) error

SetTxID generates a transaction id based on the provided signature header and sets the TxId field in the channel header

func SignOrPanic 

func SignOrPanic(signer crypto.LocalSigner, msg []byte) []byte

SignOrPanic signs a message and panics on error.

func UnmarshalBlock 

func UnmarshalBlock(encoded []byte) (*cb.Block, error)

UnmarshalBlock unmarshals bytes to an Block structure

func UnmarshalBlockOrPanic 

func UnmarshalBlockOrPanic(encoded []byte) *cb.Block

UnmarshalBlockOrPanic unmarshals bytes to an Block structure or panics on error

func UnmarshalChaincodeDeploymentSpec 

func UnmarshalChaincodeDeploymentSpec(cdsBytes []byte) (*peer.ChaincodeDeploymentSpec, error)

UnmarshalChaincodeDeploymentSpec unmarshals a ChaincodeDeploymentSpec from the provided bytes

func UnmarshalChaincodeID 

func UnmarshalChaincodeID(bytes []byte) (*pb.ChaincodeID, error)

UnmarshalChaincodeID returns a ChaincodeID from bytes

func UnmarshalChannelHeader 

func UnmarshalChannelHeader(bytes []byte) (*cb.ChannelHeader, error)

UnmarshalChannelHeader returns a ChannelHeader from bytes

func UnmarshalChannelHeaderOrPanic 

func UnmarshalChannelHeaderOrPanic(bytes []byte) *cb.ChannelHeader

UnmarshalChannelHeaderOrPanic unmarshals bytes to a ChannelHeader or panics on error

func UnmarshalEnvelope 

func UnmarshalEnvelope(encoded []byte) (*cb.Envelope, error)

UnmarshalEnvelope unmarshals bytes to an Envelope structure

func UnmarshalEnvelopeOfType 

func UnmarshalEnvelopeOfType(envelope *cb.Envelope, headerType cb.HeaderType, message proto.Message) (*cb.ChannelHeader, error)

UnmarshalEnvelopeOfType unmarshals an envelope of the specified type, including unmarshaling the payload data

func UnmarshalEnvelopeOrPanic 

func UnmarshalEnvelopeOrPanic(encoded []byte) *cb.Envelope

UnmarshalEnvelopeOrPanic unmarshals bytes to an Envelope structure or panics on error

func UnmarshalPayload 

func UnmarshalPayload(encoded []byte) (*cb.Payload, error)

UnmarshalPayload unmarshals bytes to a Payload structure

func UnmarshalPayloadOrPanic 

func UnmarshalPayloadOrPanic(encoded []byte) *cb.Payload

UnmarshalPayloadOrPanic unmarshals bytes to a Payload structure or panics on error

Types

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Source Files

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