Mukan Erkin Törük
6852832fe8
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73 lines
2.3 KiB
Go
73 lines
2.3 KiB
Go
package client
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import (
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"errors"
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/ibc-go/v10/modules/core/02-client/keeper"
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"github.com/cosmos/ibc-go/v10/modules/core/02-client/types"
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"github.com/cosmos/ibc-go/v10/modules/core/exported"
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)
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// InitGenesis initializes the ibc client submodule's state from a provided genesis
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// state.
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func InitGenesis(ctx sdk.Context, k *keeper.Keeper, gs types.GenesisState) {
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if err := gs.Params.Validate(); err != nil {
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panic(fmt.Errorf("invalid ibc client genesis state parameters: %v", err))
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}
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k.SetParams(ctx, gs.Params)
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// Set all client metadata first. This will allow client keeper to overwrite client and consensus state keys
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// if clients accidentally write to ClientKeeper reserved keys.
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if len(gs.ClientsMetadata) != 0 {
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k.SetAllClientMetadata(ctx, gs.ClientsMetadata)
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}
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for _, client := range gs.Clients {
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cs, ok := client.ClientState.GetCachedValue().(exported.ClientState)
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if !ok {
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panic(errors.New("invalid client state"))
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}
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if !gs.Params.IsAllowedClient(cs.ClientType()) {
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panic(fmt.Errorf("client state type %s is not registered on the allowlist", cs.ClientType()))
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}
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k.SetClientState(ctx, client.ClientId, cs)
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}
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for _, cs := range gs.ClientsConsensus {
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for _, consState := range cs.ConsensusStates {
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consensusState, ok := consState.ConsensusState.GetCachedValue().(exported.ConsensusState)
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if !ok {
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panic(fmt.Errorf("invalid consensus state with client ID %s at height %s", cs.ClientId, consState.Height))
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}
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k.SetClientConsensusState(ctx, cs.ClientId, consState.Height, consensusState)
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}
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}
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k.SetNextClientSequence(ctx, gs.NextClientSequence)
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}
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// ExportGenesis returns the ibc client submodule's exported genesis.
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// NOTE: the export process is not optimized, it will iterate three
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// times over the 02-client sub-store.
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func ExportGenesis(ctx sdk.Context, k *keeper.Keeper) types.GenesisState {
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genClients := k.GetAllGenesisClients(ctx)
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clientsMetadata, err := k.GetAllClientMetadata(ctx, genClients)
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if err != nil {
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panic(err)
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}
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return types.GenesisState{
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Clients: genClients,
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ClientsMetadata: clientsMetadata,
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ClientsConsensus: k.GetAllConsensusStates(ctx),
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Params: k.GetParams(ctx),
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// Warning: CreateLocalhost is deprecated
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CreateLocalhost: false,
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NextClientSequence: k.GetNextClientSequence(ctx),
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}
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}
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