package common import "github.com/nspcc-dev/neo-go/pkg/interop/native/std" const ( major = 0 minor = 15 patch = 2 // 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 = 1 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) }