forked from TrueCloudLab/frostfs-contract
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package common
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import "github.com/nspcc-dev/neo-go/pkg/interop/native/std"
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const (
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major = 0
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minor = 15
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patch = 3
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// Versions from which an update should be performed.
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// These should be used in a group (so prevMinor can be equal to minor if there are
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// any migration routines.
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prevMajor = 0
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prevMinor = 15
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prevPatch = 1
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Version = major*1_000_000 + minor*1_000 + patch
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PrevVersion = prevMajor*1_000_000 + prevMinor*1_000 + prevPatch
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// ErrVersionMismatch is thrown by CheckVersion in case of error.
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ErrVersionMismatch = "previous version mismatch"
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// ErrAlreadyUpdated is thrown by CheckVersion if current version equals to version contract
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// is being updated from.
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ErrAlreadyUpdated = "contract is already of the latest version"
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)
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// CheckVersion checks that previous version is more than PrevVersion to ensure migrating contract data
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// was done successfully.
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func CheckVersion(from int) {
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if from < PrevVersion {
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panic(ErrVersionMismatch + ": expected >=" + std.Itoa(PrevVersion, 10))
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}
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if from == Version {
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panic(ErrAlreadyUpdated + ": " + std.Itoa(Version, 10))
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}
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}
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// AppendVersion appends current contract version to the list of deploy arguments.
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func AppendVersion(data interface{}) []interface{} {
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if data == nil {
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return []interface{}{Version}
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}
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return append(data.([]interface{}), Version)
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}
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