64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
package keeper
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import (
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"github.com/armon/go-metrics"
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"github.com/cosmos/cosmos-sdk/telemetry"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/x/ibc/core/02-client/types"
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"github.com/cosmos/cosmos-sdk/x/ibc/core/exported"
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)
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// ClientUpdateProposal will try to update the client with the new header if and only if
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// the proposal passes. The localhost client is not allowed to be modified with a proposal.
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func (k Keeper) ClientUpdateProposal(ctx sdk.Context, p *types.ClientUpdateProposal) error {
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if p.ClientId == exported.Localhost {
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return sdkerrors.Wrap(types.ErrInvalidUpdateClientProposal, "cannot update localhost client with proposal")
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}
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clientState, found := k.GetClientState(ctx, p.ClientId)
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if !found {
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return sdkerrors.Wrapf(types.ErrClientNotFound, "cannot update client with ID %s", p.ClientId)
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}
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header, err := types.UnpackHeader(p.Header)
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if err != nil {
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return err
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}
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clientState, consensusState, err := clientState.CheckProposedHeaderAndUpdateState(ctx, k.cdc, k.ClientStore(ctx, p.ClientId), header)
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if err != nil {
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return err
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}
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k.SetClientState(ctx, p.ClientId, clientState)
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k.SetClientConsensusState(ctx, p.ClientId, header.GetHeight(), consensusState)
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k.Logger(ctx).Info("client updated after governance proposal passed", "client-id", p.ClientId, "height", clientState.GetLatestHeight().String())
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defer func() {
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telemetry.IncrCounterWithLabels(
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[]string{"ibc", "client", "update"},
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1,
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[]metrics.Label{
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telemetry.NewLabel("client-type", clientState.ClientType()),
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telemetry.NewLabel("client-id", p.ClientId),
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telemetry.NewLabel("update-type", "proposal"),
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},
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)
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}()
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// emitting events in the keeper for proposal updates to clients
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeUpdateClientProposal,
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sdk.NewAttribute(types.AttributeKeyClientID, p.ClientId),
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sdk.NewAttribute(types.AttributeKeyClientType, clientState.ClientType()),
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sdk.NewAttribute(types.AttributeKeyConsensusHeight, header.GetHeight().String()),
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),
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)
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return nil
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}
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