golang

package module
v0.0.1 Latest Latest
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 Go to latest Published: Dec 24, 2023 License: Apache-2.0 Imports: 28 Imported by: 2

README

In pkg.go.dev

https://pkg.go.dev/github.com/davidkhala/fabric-common/golang

Documentation

Overview

tape.go is utils copied from tape project

Index

Constants

This section is empty.

Variables

View Source 
var (
	// CurveHalfOrders contains the precomputed curve group orders halved.
	// It is used to ensure that signature' S value is lower or equal to the
	// curve group order halved. We accept only low-S signatures.
	// They are precomputed for efficiency reasons.
	CurveHalfOrders = map[elliptic.Curve]*big.Int{
		elliptic.P224(): new(big.Int).Rsh(elliptic.P224().Params().N, 1),
		elliptic.P256(): new(big.Int).Rsh(elliptic.P256().Params().N, 1),
		elliptic.P384(): new(big.Int).Rsh(elliptic.P384().Params().N, 1),
		elliptic.P521(): new(big.Int).Rsh(elliptic.P521().Params().N, 1),
	}
)
View Source 
var SeekMax = &orderer.SeekPosition{
	Type: &orderer.SeekPosition_Specified{
		Specified: &orderer.SeekSpecified{
			Number: math.MaxUint64,
		},
	},
}
View Source 
var SeekNewest = &orderer.SeekPosition{
	Type: &orderer.SeekPosition_Newest{
		Newest: &orderer.SeekNewest{},
	},
}

Functions

func CommitterFrom 

func CommitterFrom(connect *grpc.ClientConn) orderer.AtomicBroadcastClient

func CreateProposal 

func CreateProposal(creator []byte, channel, ccname, version string, transientMap map[string][]byte, args ...string) (proposal *peer.Proposal, txid string, err error)

func DERToPrivateKey 

func DERToPrivateKey(der []byte) (key interface{}, err error)

DERToPrivateKey unmarshals a der to private key

func EndorserFrom 

func EndorserFrom(connect *grpc.ClientConn) peer.EndorserClient

func FindKeyFilesOrPanic 

func FindKeyFilesOrPanic(dirname string) []string

func GetCertificate 

func GetCertificate(f string) (*x509.Certificate, []byte, error)

func GetChaincodeHeaderExtension added in v0.0.1 

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

func GetPrivateKey 

func GetPrivateKey(f string) (*ecdsa.PrivateKey, error)

func GetRandomNonce 

func GetRandomNonce() []byte

func IsLowS 

func IsLowS(k *ecdsa.PublicKey, s *big.Int) (bool, error)

func PEMtoPrivateKey 

func PEMtoPrivateKey(raw []byte, pwd []byte) (interface{}, error)

PEMtoPrivateKey unmarshals a pem to private key

func Ping 

func Ping(target string, params Params) (connect *grpc.ClientConn, err error)

func ToAddress 

func ToAddress(url string) string

ToAddress is a utility function to trim the GRPC protocol prefix as it is not needed by GO if the GRPC protocol is not found, the url is returned unchanged

func ToLowS 

func ToLowS(k *ecdsa.PublicKey, s *big.Int) (*big.Int, bool, error)

Types

type Committer 

type Committer struct {
	orderer.AtomicBroadcastClient
	orderer.AtomicBroadcast_BroadcastClient // not intrinsic
	context.Context
}

func (*Committer) SendRecv 

func (committer *Committer) SendRecv(envelope *common.Envelope) (*orderer.BroadcastResponse, error)

func (*Committer) Setup 

func (committer *Committer) Setup() (err error)

type Crypto 

type Crypto struct {
	Creator  []byte
	PrivKey  *ecdsa.PrivateKey
	SignCert *x509.Certificate
	Digest   func([]byte) []byte
}

func LoadCryptoFrom 

func LoadCryptoFrom(config CryptoConfig) (*Crypto, error)

func (*Crypto) NewSignatureHeader 

func (s *Crypto) NewSignatureHeader() (*common.SignatureHeader, error)

func (*Crypto) Serialize 

func (s *Crypto) Serialize() ([]byte, error)

func (*Crypto) SetDefaultDigest 

func (s *Crypto) SetDefaultDigest()

func (*Crypto) Sign 

func (s *Crypto) Sign(msg []byte) ([]byte, error)

type CryptoConfig 

type CryptoConfig struct {
	MSPID      string
	PrivKey    string
	SignCert   string
	TLSCACerts []string
}

type ECDSASignature 

type ECDSASignature struct {
	R, S *big.Int
}

type Endorser 

type Endorser struct {
	peer.EndorserClient
	context.Context
}

func (*Endorser) ProcessProposal 

func (endorser *Endorser) ProcessProposal(in *peer.SignedProposal) (*peer.ProposalResponse, error)

type Eventer 

type Eventer struct {
	peer.DeliverClient
	context.Context
	peer.Deliver_DeliverWithPrivateDataClient
	Continue     func(currentDeliverResponse *peer.DeliverResponse, currentError error, deliverResponses []*peer.DeliverResponse, errors []error) bool
	ErrorReducer func(errors []error) error
	ReceiptData  interface{}
}

func EventerFrom 

func EventerFrom(ctx context.Context, connect *grpc.ClientConn) Eventer

func (*Eventer) AsTransactionListener 

func (eventer *Eventer) AsTransactionListener(txid string) SeekInfo

AsTransactionListener return a proper SeekInfo

func (Eventer) SendRecv 

func (eventer Eventer) SendRecv(seek *common.Envelope) ([]*peer.DeliverResponse, error)

func (*Eventer) SetDefaultContinue 

func (e *Eventer) SetDefaultContinue()

SetDefaultContinue TODO

type Node 

type Node struct {
	Addr                  string `yaml:"addr"`
	TLSCACert             string `yaml:"tls_ca_cert"`
	TLSCAKey              string `yaml:"tls_ca_key"`
	TLSCARoot             string `yaml:"tls_ca_root"`
	TLSCACertByte         []byte
	TLSCAKeyByte          []byte
	TLSCARootByte         []byte
	SslTargetNameOverride string `json:"ssl-target-name-override"`
}

func (Node) AsGRPCClient 

func (node Node) AsGRPCClient() (connect *grpc.ClientConn, err error)

type SeekInfo 

type SeekInfo struct {
	*orderer.SeekInfo
}

func SeekInfoFrom 

func SeekInfoFrom(start, stop *orderer.SeekPosition) SeekInfo

func (SeekInfo) Fetch 

func (seekInfo SeekInfo) Fetch() SeekInfo

Fetch will only get current existing blocks. Commonly used for: get genesis block, query block content

func (SeekInfo) SignBy 

func (seekInfo SeekInfo) SignBy(channel string, signer protoutil.Signer) (*common.Envelope, error)

func (SeekInfo) WaitUtilReady 

func (seekInfo SeekInfo) WaitUtilReady() SeekInfo

WaitUtilReady will wait for future block Commonly used for: Wait for next block, confirming tx finality

Source Files

View all Source files

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