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node.go
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node.go
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package types
import (
"encoding/hex"
"strings"
tmbytes "github.com/tendermint/tendermint/libs/bytes"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
cautils "github.com/bianjieai/iritamod/utils/ca"
)
// NewNode contructs a new Node instance
func NewNode(
id tmbytes.HexBytes,
name string,
cert string,
) Node {
return Node{
Id: id.String(),
Name: name,
Certificate: cert,
}
}
// Validate validates the node
func (n Node) Validate() error {
if err := ValidateNodeID(n.Id); err != nil {
return err
}
if len(strings.TrimSpace(n.Name)) == 0 {
return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "empty node name")
}
// TODO: ValidateCertificate(n.Certificate)
// here is a workaround for genesis validation
return nil
}
// ValidateNodeID validates the node ID
func ValidateNodeID(id string) error {
if len(id) == 0 {
return sdkerrors.Wrap(ErrInvalidNodeID, "empty node ID")
}
bz, err := hex.DecodeString(id)
if err != nil {
return sdkerrors.Wrapf(ErrInvalidNodeID, "%s: %s", id, err)
}
err = sdk.VerifyAddressFormat(bz)
if err != nil {
return sdkerrors.Wrapf(ErrInvalidNodeID, "%s: %s", id, err)
}
return nil
}
// ValidateCertificate validates the node certificate
func ValidateCertificate(cert string) error {
_, err := cautils.ReadCertificateFromMem([]byte(cert))
if err != nil {
return sdkerrors.Wrap(ErrInvalidCert, err.Error())
}
return nil
}