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Merge pull request #12 from gagliardetto/gsfa-index
Gsfa index
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
|
|
||
| "github.com/gagliardetto/solana-go" | ||
| "github.com/rpcpool/yellowstone-faithful/gsfa/offsetstore" | ||
| "github.com/sourcegraph/jsonrpc2" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| type GetSignaturesForAddressParams struct { | ||
| Address solana.PublicKey `json:"address"` | ||
| Limit int `json:"limit"` | ||
| // TODO: add more params | ||
| } | ||
|
|
||
| func parseGetSignaturesForAddressParams(raw *json.RawMessage) (*GetSignaturesForAddressParams, error) { | ||
| var params []any | ||
| if err := json.Unmarshal(*raw, ¶ms); err != nil { | ||
| klog.Errorf("failed to unmarshal params: %v", err) | ||
| return nil, err | ||
| } | ||
| sigRaw, ok := params[0].(string) | ||
| if !ok { | ||
| klog.Errorf("first argument must be a string") | ||
| return nil, nil | ||
| } | ||
|
|
||
| out := &GetSignaturesForAddressParams{} | ||
| pk, err := solana.PublicKeyFromBase58(sigRaw) | ||
| if err != nil { | ||
| klog.Errorf("failed to parse pubkey from base58: %v", err) | ||
| return nil, err | ||
| } | ||
| out.Address = pk | ||
|
|
||
| if len(params) > 1 { | ||
| // the second param should be a map[string]interface{} | ||
| // with the optional params | ||
| if m, ok := params[1].(map[string]interface{}); ok { | ||
| if limit, ok := m["limit"]; ok { | ||
| if limit, ok := limit.(float64); ok { | ||
| out.Limit = int(limit) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| if out.Limit <= 0 || out.Limit > 1000 { | ||
| // default limit | ||
| out.Limit = 1000 | ||
| } | ||
| return out, nil | ||
| } | ||
|
|
||
| func (ser *rpcServer) getSignaturesForAddress(ctx context.Context, conn *requestContext, req *jsonrpc2.Request) { | ||
| if ser.gsfaReader == nil { | ||
| klog.Errorf("gsfaReader is nil") | ||
| conn.ReplyWithError( | ||
| ctx, | ||
| req.ID, | ||
| &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "getSignaturesForAddress method is not enabled", | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| params, err := parseGetSignaturesForAddressParams(req.Params) | ||
| if err != nil { | ||
| klog.Errorf("failed to parse params: %v", err) | ||
| conn.ReplyWithError( | ||
| ctx, | ||
| req.ID, | ||
| &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInvalidParams, | ||
| Message: "Invalid params", | ||
| }) | ||
| return | ||
| } | ||
| pk := params.Address | ||
| limit := params.Limit | ||
|
|
||
| sigs, err := ser.gsfaReader.Get(context.Background(), pk, limit) | ||
| if err != nil { | ||
| if offsetstore.IsNotFound(err) { | ||
| klog.Infof("No signatures found for address: %s", pk) | ||
| conn.ReplyWithError( | ||
| ctx, | ||
| req.ID, | ||
| &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "Not found", | ||
| }) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // The response is an array of objects: [{signature: string}] | ||
| response := make([]map[string]string, len(sigs)) | ||
| for i, sig := range sigs { | ||
| response[i] = map[string]string{ | ||
| "signature": sig.String(), | ||
| } | ||
| } | ||
|
|
||
| // reply with the data | ||
| err = conn.ReplyNoMod( | ||
| ctx, | ||
| req.ID, | ||
| response, | ||
| ) | ||
| if err != nil { | ||
| klog.Errorf("failed to reply: %v", err) | ||
| } | ||
| } |
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