package types
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
type NodeInfo struct {
|
|
Moniker string `json:"moniker"`
|
|
ChainID string `json:"chain_id"`
|
|
Version string `json:"version"`
|
|
Revision string `json:"revision"`
|
|
|
|
UUID string `json:"uuid"`
|
|
Host string `json:"host"`
|
|
P2PPort uint16 `json:"p2p_port"`
|
|
RPCPort uint16 `json:"rpc_port"`
|
|
}
|
|
|
|
func (ni *NodeInfo) CompatibleWith(no *NodeInfo) error {
|
|
iM, im, _, ie := splitVersion(ni.Version)
|
|
oM, om, _, oe := splitVersion(no.Version)
|
|
|
|
// if our own version number is not formatted right, we messed up
|
|
if ie != nil {
|
|
return ie
|
|
}
|
|
|
|
// version number must be formatted correctly ("x.x.x")
|
|
if oe != nil {
|
|
return oe
|
|
}
|
|
|
|
// major version must match
|
|
if iM != oM {
|
|
return fmt.Errorf("Peer is on a different major version. Got %v, expected %v", oM, iM)
|
|
}
|
|
|
|
// minor version must match
|
|
if im != om {
|
|
return fmt.Errorf("Peer is on a different minor version. Got %v, expected %v", om, im)
|
|
}
|
|
|
|
// nodes must be on the same chain_id
|
|
if ni.ChainID != no.ChainID {
|
|
return fmt.Errorf("Peer is on a different chain_id. Got %v, expected %v", no.ChainID, ni.ChainID)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func splitVersion(version string) (string, string, string, error) {
|
|
spl := strings.Split(version, ".")
|
|
if len(spl) != 3 {
|
|
return "", "", "", fmt.Errorf("Invalid version format %v", version)
|
|
}
|
|
return spl[0], spl[1], spl[2], nil
|
|
}
|