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@@ -4,3 +4,5 @@ | |
| _site | ||
| /.cargo | ||
| /target | ||
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| .zed | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| package main | ||
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||
| import ( | ||
| "context" | ||
| "fmt" | ||
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| "github.com/ipfs/go-cid" | ||
| "github.com/multiformats/go-multicodec" | ||
| "github.com/rpcpool/yellowstone-faithful/gsfa" | ||
| "github.com/rpcpool/yellowstone-faithful/gsfa/linkedlog" | ||
| "github.com/rpcpool/yellowstone-faithful/indexes" | ||
| "github.com/sourcegraph/jsonrpc2" | ||
| ) | ||
|
|
||
| func countTransactionCids(v gsfa.EpochToTransactionCids) int { | ||
| var count int | ||
| for _, txs := range v { | ||
| count += len(txs) | ||
| } | ||
| return count | ||
| } | ||
|
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| func (multi *MultiEpoch) handleGetSignaturesForAddressCids(ctx context.Context, conn *requestContext, req *jsonrpc2.Request) (*jsonrpc2.Error, error) { | ||
| // - parse and validate request | ||
| // - get list of epochs (from most recent to oldest) | ||
| // - iterate until we find the requested number of signatures | ||
| // - expand the signatures with tx data | ||
| signaturesOnly := multi.options.GsfaOnlySignatures | ||
|
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| params, err := parseGetSignaturesForAddressParams(req.Params) | ||
| if err != nil { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInvalidParams, | ||
| Message: "Invalid params", | ||
| }, fmt.Errorf("failed to parse params: %v", err) | ||
| } | ||
| pk := params.Address | ||
| limit := params.Limit | ||
|
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||
| gsfaIndexes, _ := multi.getGsfaReadersInEpochDescendingOrder() | ||
| if len(gsfaIndexes) == 0 { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "getSignaturesForAddress method is not enabled", | ||
| }, fmt.Errorf("no gsfa indexes found") | ||
| } | ||
|
|
||
| gsfaMulti, err := gsfa.NewGsfaReaderMultiepoch(gsfaIndexes) | ||
| if err != nil { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "Internal error", | ||
| }, fmt.Errorf("failed to create gsfa multiepoch reader: %w", err) | ||
| } | ||
|
|
||
| // Get the transactions: | ||
| foundTransactions, err := gsfaMulti.GetCids( | ||
| ctx, | ||
| pk, | ||
| limit, | ||
| func(epochNum uint64, oas linkedlog.OffsetAndSizeAndBlocktime) (cid.Cid, error) { | ||
| epoch, err := multi.GetEpoch(epochNum) | ||
| if err != nil { | ||
| return cid.Cid{}, fmt.Errorf("failed to get epoch %d: %w", epochNum, err) | ||
| } | ||
| raw, err := epoch.GetNodeByOffsetAndSize(ctx, nil, &indexes.OffsetAndSize{ | ||
| Offset: oas.Offset, | ||
| Size: oas.Size, | ||
| }) | ||
| if err != nil { | ||
| return cid.Cid{}, fmt.Errorf("failed to get signature: %w", err) | ||
| } | ||
| cb := cid.V1Builder{MhLength: -1, MhType: uint64(multicodec.Sha2_256), Codec: uint64(multicodec.DagCbor)} | ||
| c, err := cb.Sum(raw) | ||
| if err != nil { | ||
| return cid.Cid{}, fmt.Errorf("failed to get cid: %w", err) | ||
| } | ||
| return c, nil | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "Internal error", | ||
| }, fmt.Errorf("failed to get signatures: %w", err) | ||
| } | ||
|
|
||
| if len(foundTransactions) == 0 { | ||
| err = conn.ReplyRaw( | ||
| ctx, | ||
| req.ID, | ||
| []map[string]any{}, | ||
| ) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to reply: %w", err) | ||
| } | ||
| return nil, nil | ||
| } | ||
|
|
||
| // The response is an array of objects: [{sigCid: string}] | ||
| response := make([]map[string]any, countTransactionCids(foundTransactions)) | ||
| numBefore := 0 | ||
| for ei := range foundTransactions { | ||
| epoch := ei | ||
| if err != nil { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "Internal error", | ||
| }, fmt.Errorf("failed to get epoch %d: %w", epoch, err) | ||
| } | ||
|
|
||
| sigs := foundTransactions[ei] | ||
| for i := range sigs { | ||
| ii := numBefore + i | ||
| c := sigs[i] | ||
| err := func() error { | ||
| response[ii] = map[string]any{ | ||
| "sigCid": c.String(), | ||
| } | ||
| if signaturesOnly { | ||
| return nil | ||
| } | ||
|
|
||
| return nil | ||
| }() | ||
| if err != nil { | ||
| return &jsonrpc2.Error{ | ||
| Code: jsonrpc2.CodeInternalError, | ||
| Message: "Internal error", | ||
| }, fmt.Errorf("failed to get tx data: %w", err) | ||
| } | ||
| } | ||
| numBefore += len(sigs) | ||
| } | ||
| // reply with the data | ||
| err = conn.ReplyRaw( | ||
| ctx, | ||
| req.ID, | ||
| response, | ||
| ) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to reply: %w", err) | ||
| } | ||
|
|
||
| return nil, nil | ||
| } |
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