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upgrades.go
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upgrades.go
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package v2
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
claimstypes "github.com/evmos/evmos/v7/x/claims/types"
erc20types "github.com/evmos/evmos/v7/x/erc20/types"
)
// CreateUpgradeHandler creates an SDK upgrade handler for v2
func CreateUpgradeHandler(
mm *module.Manager,
configurator module.Configurator,
) upgradetypes.UpgradeHandler {
return func(ctx sdk.Context, _ upgradetypes.Plan, vm module.VersionMap) (module.VersionMap, error) {
// Refs:
// - https://docs.cosmos.network/master/building-modules/upgrade.html#registering-migrations
// - https://docs.cosmos.network/master/migrations/chain-upgrade-guide-044.html#chain-upgrade
// migrate claims and ERC20 module, other modules are left as-is to
// avoid running InitGenesis.
vm[claimstypes.ModuleName] = 1
vm[erc20types.ModuleName] = 1
return mm.RunMigrations(ctx, configurator, vm)
}
}