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https://github.com/kaspanet/kaspad.git
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9d434de4a5
* [NOD-640] Revamp blueBlocksBetween to return up to maxEntries from highNode's antiFuture. * [NOD-640] Fix bad traversal. * [NOD-640] Use more accurate len. * [NOD-640] Use more appropriate len in another place. * [NOD-640] Remove the whole business with highNode's anticone. * [NOD-640] Rename highNodeAntiFuture to candidateNodes. * [NOD-640] Explain the highNode.blueScore-lowNode.blueScore+1 approximation. * [NOD-640] UpHeap -> upHeap. * [NOD-640] Fix off-by-one error. * [NOD-640] Rename blueBlocksBetween to antiPastBetween, * [NOD-640] upHeap -> up-heap. * [NOD-640] Use a classic for to populate nodes. * [NOD-640] Reworded a comment. * [NOD-640] Clarify a comment. * [NOD-640] Fix nodes declaration.
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package rpc
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import (
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"bytes"
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"encoding/hex"
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"github.com/kaspanet/kaspad/rpcmodel"
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"github.com/kaspanet/kaspad/util/daghash"
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)
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// handleGetHeaders implements the getHeaders command.
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func handleGetHeaders(s *Server, cmd interface{}, closeChan <-chan struct{}) (interface{}, error) {
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c := cmd.(*rpcmodel.GetHeadersCmd)
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lowHash := &daghash.ZeroHash
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if c.LowHash != "" {
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err := daghash.Decode(lowHash, c.LowHash)
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if err != nil {
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return nil, rpcDecodeHexError(c.HighHash)
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}
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}
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highHash := &daghash.ZeroHash
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if c.HighHash != "" {
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err := daghash.Decode(highHash, c.HighHash)
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if err != nil {
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return nil, rpcDecodeHexError(c.HighHash)
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}
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}
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headers, err := s.cfg.SyncMgr.AntiPastHeadersBetween(lowHash, highHash)
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if err != nil {
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return nil, &rpcmodel.RPCError{
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Code: rpcmodel.ErrRPCMisc,
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Message: err.Error(),
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}
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}
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// Return the serialized block headers as hex-encoded strings.
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hexBlockHeaders := make([]string, len(headers))
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var buf bytes.Buffer
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for i, h := range headers {
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err := h.Serialize(&buf)
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if err != nil {
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return nil, internalRPCError(err.Error(),
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"Failed to serialize block header")
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}
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hexBlockHeaders[i] = hex.EncodeToString(buf.Bytes())
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buf.Reset()
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}
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return hexBlockHeaders, nil
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}
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