LBRYCommunity/herald.go
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Pull out decode logic into named func newBlockHeaderElectrum().

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This commit is contained in:
Jonathan Moody 2022-09-27 17:25:27 -05:00
parent 2e666843f1
commit a5d07e0595
1 changed files with 30 additions and 25 deletions
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55
server/jsonrpc_blockchain.go
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@ -49,6 +49,34 @@ func min[Ord constraints.Ordered](x, y Ord) Ord {
return y return y
} }
type BlockHeaderElectrum struct {
Version uint32 `json:"version"`
PrevBlockHash string `json:"prev_block_hash"`
MerkleRoot string `json:"merkle_root"`
ClaimTrieRoot string `json:"claim_trie_root"`
Timestamp uint32 `json:"timestamp"`
Bits uint32 `json:"bits"`
Nonce uint32 `json:"nonce"`
BlockHeight uint32 `json:"block_height"`
}
func newBlockHeaderElectrum(header *[HEADER_SIZE]byte, height uint32) *BlockHeaderElectrum {
var h1, h2, h3 chainhash.Hash
h1.SetBytes(header[4:36])
h2.SetBytes(header[36:68])
h3.SetBytes(header[68:100])
return &BlockHeaderElectrum{
Version: binary.LittleEndian.Uint32(header[0:]),
PrevBlockHash: h1.String(),
MerkleRoot: h2.String(),
ClaimTrieRoot: h3.String(),
Timestamp: binary.LittleEndian.Uint32(header[100:]),
Bits: binary.LittleEndian.Uint32(header[104:]),
Nonce: binary.LittleEndian.Uint32(header[108:]),
BlockHeight: height,
}
}
type BlockGetServerHeightReq struct{} type BlockGetServerHeightReq struct{}
type BlockGetServerHeightResp uint32 type BlockGetServerHeightResp uint32
@ -82,14 +110,7 @@ func (s *BlockchainService) Get_chunk(r *http.Request, req *BlockGetChunkReq, re
type BlockGetHeaderReq uint32 type BlockGetHeaderReq uint32
type BlockGetHeaderResp struct { type BlockGetHeaderResp struct {
Version uint32 `json:"version"` BlockHeaderElectrum
PrevBlockHash string `json:"prev_block_hash"`
MerkleRoot string `json:"merkle_root"`
ClaimTrieRoot string `json:"claim_trie_root"`
Timestamp uint32 `json:"timestamp"`
Bits uint32 `json:"bits"`
Nonce uint32 `json:"nonce"`
BlockHeight uint32 `json:"block_height"`
} }
// 'blockchain.block.get_header' // 'blockchain.block.get_header'
@ -102,23 +123,7 @@ func (s *BlockchainService) Get_header(r *http.Request, req *BlockGetHeaderReq,
if len(headers) < 1 { if len(headers) < 1 {
return errors.New("not found") return errors.New("not found")
} }
decode := func(header *[HEADER_SIZE]byte, height uint32) *BlockGetHeaderResp { *resp = &BlockGetHeaderResp{*newBlockHeaderElectrum(&headers[0], height)}
var h1, h2, h3 chainhash.Hash
h1.SetBytes(header[4:36])
h2.SetBytes(header[36:68])
h3.SetBytes(header[68:100])
return &BlockGetHeaderResp{
Version: binary.LittleEndian.Uint32(header[0:]),
PrevBlockHash: h1.String(),
MerkleRoot: h2.String(),
ClaimTrieRoot: h3.String(),
Timestamp: binary.LittleEndian.Uint32(header[100:]),
Bits: binary.LittleEndian.Uint32(header[104:]),
Nonce: binary.LittleEndian.Uint32(header[108:]),
BlockHeight: height,
}
}
*resp = decode(&headers[0], height)
return err return err
} }