utils

func CheckProposalTxID ¶

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

CheckProposalTxID 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 ComputeProposalTxID ¶

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

ComputeProposalTxID 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 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) (*peer.Proposal, string, error)

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

func CreateInstallProposalFromCDS ¶

func CreateInstallProposalFromCDS(cds *peer.ChaincodeDeploymentSpec, 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 crypto/primitives package.

func CreateNonceOrPanic ¶

func CreateNonceOrPanic() []byte

CreateNonceOrPanic generates a nonce using the crypto/primitives 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 CreateProposalResponse ¶

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

CreateProposalResponse creates a proposal response.

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 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) (*peer.Proposal, string, error)

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

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 operation 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

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 propoal bytes response

func GetBytesProposalResponsePayload ¶

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

GetChaincodeDeploymentSpec returns a ChaincodeDeploymentSpec given args

func GetChaincodeEvents ¶

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

GetChaincodeEvents gets the ChaincodeEvents given chaicnode 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 get's 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