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glue.go
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glue.go
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package golang
import (
"crypto/x509"
"github.com/davidkhala/goutils"
"github.com/davidkhala/goutils/crypto"
. "github.com/davidkhala/goutils/grpc"
"github.com/hyperledger/fabric-protos-go-apiv2/msp"
"github.com/pkg/errors"
"google.golang.org/grpc"
"google.golang.org/protobuf/proto"
)
func (node Node) AsGRPCClient() (connect *grpc.ClientConn, err error) {
var certificate *x509.Certificate
var tlsCARootCertBytes = node.TLSCARootByte
if tlsCARootCertBytes == nil {
tlsCARootCertBytes, err = goutils.ReadFile(node.TLSCARoot)
if err != nil {
return nil, err
}
}
certificate, err = crypto.ParseCertPem(tlsCARootCertBytes)
if err != nil {
return nil, err
}
var param = Params{
SslTargetNameOverride: node.SslTargetNameOverride,
Certificate: certificate,
WaitForReady: true,
}
connect, err = Ping(node.Addr, param)
return
}
func LoadCryptoFrom(config CryptoConfig) (*Crypto, error) {
priv, err := GetPrivateKey(config.PrivKey)
if err != nil {
return nil, errors.Wrapf(err, "error loading priv key")
}
cert, certBytes, err := GetCertificate(config.SignCert)
if err != nil {
return nil, errors.Wrapf(err, "error loading certificate")
}
id := &msp.SerializedIdentity{
Mspid: config.MSPID,
IdBytes: certBytes,
}
name, err := proto.Marshal(id)
if err != nil {
return nil, errors.Wrapf(err, "error get msp id")
}
_crypto := &Crypto{
Creator: name,
PrivKey: priv,
SignCert: cert,
}
_crypto.SetDefaultDigest()
return _crypto, nil
}