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abci.go
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abci.go
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package poe
import (
"time"
"github.com/cosmos/cosmos-sdk/telemetry"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/confio/tgrade/x/poe/contract"
"github.com/confio/tgrade/x/poe/keeper"
"github.com/confio/tgrade/x/poe/types"
"github.com/confio/tgrade/x/twasm"
twasmtypes "github.com/confio/tgrade/x/twasm/types"
)
type endBlockKeeper interface {
types.Sudoer
IteratePrivilegedContractsByType(ctx sdk.Context, privilegeType twasmtypes.PrivilegeType, cb func(prio uint8, contractAddr sdk.AccAddress) bool)
}
// EndBlocker calls the Valset contract for the validator diff.
func EndBlocker(parentCtx sdk.Context, k endBlockKeeper) []abci.ValidatorUpdate {
defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyEndBlocker)
logger := keeper.ModuleLogger(parentCtx)
var diff []abci.ValidatorUpdate
// allow validator set updates for this group only
k.IteratePrivilegedContractsByType(parentCtx, twasmtypes.PrivilegeTypeValidatorSetUpdate, func(pos uint8, contractAddr sdk.AccAddress) bool {
logger.Info("privileged contract callback", "type", twasmtypes.PrivilegeTypeValidatorSetUpdate.String())
ctx, commit := parentCtx.CacheContext()
defer twasm.RecoverToLog(logger, contractAddr)()
var err error
diff, err = contract.CallEndBlockWithValidatorUpdate(ctx, contractAddr, k)
if err != nil {
logger.Error(
"contract callback for validator set update failed",
"cause", err,
"contract-address", contractAddr,
"position", pos,
)
return true // stop at first contract, without commit
}
commit()
if len(diff) != 0 {
logger.Info("update validator set", "new", diff)
}
return true // stop at first contract
})
return diff
}
// BeginBlocker ABCI begin block callback
func BeginBlocker(ctx sdk.Context, k interface{ TrackHistoricalInfo(ctx sdk.Context) }) {
defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker)
k.TrackHistoricalInfo(ctx)
}