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40342eb45a
* [NOD-275] Moved getBlockTemplate and related functionality to a separate file. * [NOD-275] Started moving handlers to separate files. * [NOD-275] Fixed merge errors. * [NOD-275] Moved all handlers out of rpcserver.go. * [NOD-275] Moved non-shared functions out of rpcserver.go. * [NOD-275] Moved handleGetAllManualNodesInfo to a separate file. * [NOD-275] Moved handlers out of rpcwebsocket.go to separate files. * [NOD-275] Fixed import error. * [NOD-275] Renamed all handler files to include underscores. * [NOD-275] Moved common rpc helper functions to common.go.
47 lines
1.2 KiB
Go
47 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/daglabs/btcd/btcjson"
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"github.com/daglabs/btcd/util/daghash"
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)
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// handleGetHeaders implements the getHeaders command.
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//
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// NOTE: This is a btcsuite extension originally ported from
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// github.com/decred/dcrd.
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func handleGetHeaders(s *Server, cmd interface{}, closeChan <-chan struct{}) (interface{}, error) {
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c := cmd.(*btcjson.GetHeadersCmd)
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startHash := &daghash.ZeroHash
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if c.StartHash != "" {
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err := daghash.Decode(startHash, c.StartHash)
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if err != nil {
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return nil, rpcDecodeHexError(c.StopHash)
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}
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}
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stopHash := &daghash.ZeroHash
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if c.StopHash != "" {
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err := daghash.Decode(stopHash, c.StopHash)
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if err != nil {
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return nil, rpcDecodeHexError(c.StopHash)
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}
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}
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headers := s.cfg.SyncMgr.GetBlueBlocksHeadersBetween(startHash, stopHash)
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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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