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[#103] common: Disallow downgrading contracts
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`PrevVersion` marks suitable version that we can upgrade from.
However, we can have multiple minor versions, so, currently an upgrade
from v0.19.3 to v0.19.1 is possible. Prevent this with an additional
check.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2024-08-19 11:52:01 +03:00
parent 82e04b6c32
commit ba7329c3a7
1 changed files with 1 additions and 1 deletions
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2
common/version.go
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@ -32,7 +32,7 @@ func CheckVersion(from int) {
if from < PrevVersion { if from < PrevVersion {
panic(ErrVersionMismatch + ": expected >=" + std.Itoa(PrevVersion, 10)) panic(ErrVersionMismatch + ": expected >=" + std.Itoa(PrevVersion, 10))
} }
if from == Version { if Version <= from {
panic(ErrAlreadyUpdated + ": " + std.Itoa(Version, 10)) panic(ErrAlreadyUpdated + ": " + std.Itoa(Version, 10))
} }
} }