frostfs-contract/common/version.go

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package common
import "github.com/nspcc-dev/neo-go/pkg/interop/native/std"
const (
major = 0
minor = 15
patch = 1
// Versions from which an update should be performed.
// These should be used in a group (so prevMinor can be equal to minor if there are
// any migration routines.
prevMajor = 0
prevMinor = 15
prevPatch = 0
Version = major*1_000_000 + minor*1_000 + patch
PrevVersion = prevMajor*1_000_000 + prevMinor*1_000 + prevPatch
// ErrVersionMismatch is thrown by CheckVersion in case of error.
ErrVersionMismatch = "previous version mismatch"
// ErrAlreadyUpdated is thrown by CheckVersion if current version equals to version contract
// is being updated from.
ErrAlreadyUpdated = "contract is already of the latest version"
)
// CheckVersion checks that previous version is more than PrevVersion to ensure migrating contract data
// was done successfully.
func CheckVersion(from int) {
if from < PrevVersion {
panic(ErrVersionMismatch + ": expected >=" + std.Itoa(PrevVersion, 10))
}
if from == Version {
panic(ErrAlreadyUpdated + ": " + std.Itoa(Version, 10))
}
}
// AppendVersion appends current contract version to the list of deploy arguments.
func AppendVersion(data interface{}) []interface{} {
if data == nil {
return []interface{}{Version}
}
return append(data.([]interface{}), Version)
}