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refactor(stf): remove RunWithCtx (#21739)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package services | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "cosmossdk.io/core/header" | ||
| "cosmossdk.io/core/store" | ||
| ) | ||
|
|
||
| var ( | ||
| _ store.KVStoreService = (*GenesisKVStoreService)(nil) | ||
| _ header.Service = (*GenesisHeaderService)(nil) | ||
| ) | ||
|
|
||
| type genesisContextKeyType struct{} | ||
|
|
||
| var genesisContextKey = genesisContextKeyType{} | ||
|
|
||
| // genesisContext is a context that is used during genesis initialization. | ||
| // it backs the store.KVStoreService and header.Service interface implementations | ||
| // defined in this file. | ||
| type genesisContext struct { | ||
| state store.WriterMap | ||
| } | ||
|
|
||
| // NewGenesisContext creates a new genesis context. | ||
| func NewGenesisContext(state store.WriterMap) genesisContext { | ||
| return genesisContext{ | ||
| state: state, | ||
| } | ||
| } | ||
|
|
||
| // Run runs the provided function within the genesis context and returns an | ||
| // updated store.WriterMap containing the state modifications made during InitGenesis. | ||
| func (g *genesisContext) Run( | ||
| ctx context.Context, | ||
| fn func(ctx context.Context) error, | ||
| ) (store.WriterMap, error) { | ||
| ctx = context.WithValue(ctx, genesisContextKey, g) | ||
| err := fn(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return g.state, nil | ||
| } | ||
|
|
||
| // GenesisKVStoreService is a store.KVStoreService implementation that is used during | ||
| // genesis initialization. It wraps an inner execution context store.KVStoreService. | ||
| type GenesisKVStoreService struct { | ||
| actor []byte | ||
| executionService store.KVStoreService | ||
| } | ||
|
|
||
| // NewGenesisKVService creates a new GenesisKVStoreService. | ||
| // - actor is the module store key. | ||
| // - executionService is the store.KVStoreService to use when the genesis context is not active. | ||
| func NewGenesisKVService( | ||
| actor []byte, | ||
| executionService store.KVStoreService, | ||
| ) *GenesisKVStoreService { | ||
| return &GenesisKVStoreService{ | ||
| actor: actor, | ||
| executionService: executionService, | ||
| } | ||
| } | ||
|
|
||
| // OpenKVStore implements store.KVStoreService. | ||
| func (g *GenesisKVStoreService) OpenKVStore(ctx context.Context) store.KVStore { | ||
| v := ctx.Value(genesisContextKey) | ||
| if v == nil { | ||
| return g.executionService.OpenKVStore(ctx) | ||
| } | ||
| genCtx, ok := v.(*genesisContext) | ||
| if !ok { | ||
| panic(fmt.Errorf("unexpected genesis context type: %T", v)) | ||
| } | ||
| state, err := genCtx.state.GetWriter(g.actor) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return state | ||
| } | ||
|
|
||
| // GenesisHeaderService is a header.Service implementation that is used during | ||
| // genesis initialization. It wraps an inner execution context header.Service. | ||
| type GenesisHeaderService struct { | ||
| executionService header.Service | ||
| } | ||
|
|
||
| // HeaderInfo implements header.Service. | ||
| // During genesis initialization, it returns an empty header.Info. | ||
| func (g *GenesisHeaderService) HeaderInfo(ctx context.Context) header.Info { | ||
| v := ctx.Value(genesisContextKey) | ||
| if v == nil { | ||
| return g.executionService.HeaderInfo(ctx) | ||
| } | ||
| return header.Info{} | ||
| } | ||
|
|
||
| // NewGenesisHeaderService creates a new GenesisHeaderService. | ||
| // - executionService is the header.Service to use when the genesis context is not active. | ||
| func NewGenesisHeaderService(executionService header.Service) *GenesisHeaderService { | ||
| return &GenesisHeaderService{ | ||
| executionService: executionService, | ||
| } | ||
| } |
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