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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package state_synchronization | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "strconv" | ||
|
|
||
| "github.com/onflow/flow-go/admin" | ||
| "github.com/onflow/flow-go/admin/commands" | ||
| "github.com/onflow/flow-go/module/execution" | ||
| ) | ||
|
|
||
| var _ commands.AdminCommand = (*ReadExecutionDataCommand)(nil) | ||
|
|
||
| type scriptData struct { | ||
| height uint64 | ||
| script []byte | ||
| arguments [][]byte | ||
| } | ||
|
|
||
| type ExecuteScriptCommand struct { | ||
| scriptExecutor execution.ScriptExecutor | ||
| } | ||
|
|
||
| func (e *ExecuteScriptCommand) Handler(ctx context.Context, req *admin.CommandRequest) (interface{}, error) { | ||
| d := req.ValidatorData.(*scriptData) | ||
|
|
||
| result, err := e.scriptExecutor.ExecuteAtBlockHeight(context.Background(), d.script, d.arguments, d.height) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return string(result), nil | ||
| } | ||
|
|
||
| // Validator validates the request. | ||
| // Returns admin.InvalidAdminReqError for invalid/malformed requests. | ||
| func (e *ExecuteScriptCommand) Validator(req *admin.CommandRequest) error { | ||
| input, ok := req.Data.(map[string]interface{}) | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("expected map[string]any") | ||
| } | ||
|
|
||
| heightRaw, ok := input["height"] | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("missing required field 'height") | ||
| } | ||
|
|
||
| scriptRaw, ok := input["script"] | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("missing required field 'script") | ||
| } | ||
|
|
||
| argsRaw, ok := input["args"] | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("missing required field 'args") | ||
| } | ||
|
|
||
| heightStr, ok := heightRaw.(string) | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("'height' must be string") | ||
| } | ||
|
|
||
| height, err := strconv.ParseUint(heightStr, 10, 64) | ||
| if err != nil { | ||
| return admin.NewInvalidAdminReqFormatError("'height' must be valid uint64 value", err) | ||
| } | ||
|
|
||
| scriptStr, ok := scriptRaw.(string) | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("'script' must be string") | ||
| } | ||
|
|
||
| argsStr, ok := argsRaw.(string) | ||
| if !ok { | ||
| return admin.NewInvalidAdminReqFormatError("'args' must be string") | ||
| } | ||
|
|
||
| args := make([][]byte, 0) | ||
| err = json.Unmarshal([]byte(argsStr), &args) | ||
| if err != nil { | ||
| return admin.NewInvalidAdminReqFormatError("'args' not valid JSON", err) | ||
| } | ||
|
|
||
| req.ValidatorData = &scriptData{ | ||
| height: height, | ||
| script: []byte(scriptStr), | ||
| arguments: args, | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func NewExecuteScriptCommand(scripts execution.ScriptExecutor) commands.AdminCommand { | ||
| return &ExecuteScriptCommand{ | ||
| scripts, | ||
| } | ||
| } |
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