19155841408

Committed 07 Nov 2025 02:03AM UTC coverage: 66.675% (-0.04%) from 66.712%

Build # 19155841408

Build Type

Pull #10352

github

Committed by

web-flow

Commit Message

Merge e4313eba8 into 096ab65b1

Pull Request Pull Request #10352: [WIP] chainrpc: return Unavailable while notifier starts

Run Details

137328 of 205965 relevant lines covered (66.68%)

21333.36 hits per line

Source File
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82.61

/shachain/utils.go

package shachain

import (
        "encoding/hex"

        "github.com/btcsuite/btcd/chaincfg/chainhash"
)

// getBit return bit on index at position.
func getBit(index index, position uint8) uint8 {
        return uint8((uint64(index) >> position) & 1)
}

func getPrefix(index index, position uint8) uint64 {
        //        + -------------------------- +
        //         | №  | value | mask | return |
        //        + -- + ----- + ---- + ------ +
        //        | 63 |         1   |  0   |         0   |
        //        | 62 |         0   |  0   |         0   |
        //        | 61 |   1   |  0   |         0   |
        //                ....
        //        |  4 |         1   |  0   |         0   |
        //        |  3 |   1   |  0   |         0   |
        //        |  2 |   1   |  1   |         1   | <--- position
        //        |  1 |   0   |  1   |         0   |
        //        |  0 |   1   |  1   |         1   |
        //        + -- + ----- + ---- + ------ +

        var zero uint64
        mask := (zero - 1) - uint64((1<<position)-1)
        return (uint64(index) & mask)
}

// countTrailingZeros counts number of trailing zero bits, this function is
// used to determine the number of element bucket.
func countTrailingZeros(index index) uint8 {
        var zeros uint8
        for ; zeros < maxHeight; zeros++ {

                if getBit(index, zeros) != 0 {
                        break
                }
        }

        return zeros
}

// hashFromString takes a hex-encoded string as input and creates an instance of
// chainhash.Hash. The chainhash.NewHashFromStr function not suitable because
// it reverse the given hash.
func hashFromString(s string) (*chainhash.Hash, error) {
        // Return an error if hash string is too long.
        if len(s) > chainhash.MaxHashStringSize {
                return nil, chainhash.ErrHashStrSize
        }

        // Hex decoder expects the hash to be a multiple of two.
        if len(s)%2 != 0 {
                s = "0" + s
        }

        // Convert string hash to bytes.
        buf, err := hex.DecodeString(s)
        if err != nil {
                return nil, err
        }

        hash, err := chainhash.NewHash(buf)
        if err != nil {
                return nil, err
        }

        return hash, nil
}

1	package shachain
2
3	import (
4	"encoding/hex"
5
6	"github.com/btcsuite/btcd/chaincfg/chainhash"
7	)
8
9	// getBit return bit on index at position.
10	func getBit(index index, position uint8) uint8 {	2,930,330✔
11	return uint8((uint64(index) >> position) & 1)	2,930,330✔
12	}	2,930,330✔
13
14	func getPrefix(index index, position uint8) uint64 {	157,516✔
15	// + -------------------------- +	157,516✔
16	// \| № \| value \| mask \| return \|	157,516✔
17	// + -- + ----- + ---- + ------ +	157,516✔
18	// \| 63 \| 1 \| 0 \| 0 \|	157,516✔
19	// \| 62 \| 0 \| 0 \| 0 \|	157,516✔
20	// \| 61 \| 1 \| 0 \| 0 \|	157,516✔
21	// ....	157,516✔
22	// \| 4 \| 1 \| 0 \| 0 \|	157,516✔
23	// \| 3 \| 1 \| 0 \| 0 \|	157,516✔
24	// \| 2 \| 1 \| 1 \| 1 \| <--- position	157,516✔
25	// \| 1 \| 0 \| 1 \| 0 \|	157,516✔
26	// \| 0 \| 1 \| 1 \| 1 \|	157,516✔
27	// + -- + ----- + ---- + ------ +	157,516✔
28		157,516✔
29	var zero uint64	157,516✔
30	mask := (zero - 1) - uint64((1<<position)-1)	157,516✔
31	return (uint64(index) & mask)	157,516✔
32	}	157,516✔
33
34	// countTrailingZeros counts number of trailing zero bits, this function is
35	// used to determine the number of element bucket.
36	func countTrailingZeros(index index) uint8 {	169,835✔
37	var zeros uint8	169,835✔
38	for ; zeros < maxHeight; zeros++ {	2,022,129✔
39		1,852,294✔
40	if getBit(index, zeros) != 0 {	2,002,764✔
41	break	150,470✔
42	}
43	}
44
45	return zeros	169,835✔
46	}
47
48	// hashFromString takes a hex-encoded string as input and creates an instance of
49	// chainhash.Hash. The chainhash.NewHashFromStr function not suitable because
50	// it reverse the given hash.
51	func hashFromString(s string) (*chainhash.Hash, error) {	66✔
52	// Return an error if hash string is too long.	66✔
53	if len(s) > chainhash.MaxHashStringSize {	66✔
54	return nil, chainhash.ErrHashStrSize	×
55	}	×
56
57	// Hex decoder expects the hash to be a multiple of two.
58	if len(s)%2 != 0 {	66✔
59	s = "0" + s	×
60	}	×
61
62	// Convert string hash to bytes.
63	buf, err := hex.DecodeString(s)	66✔
64	if err != nil {	66✔
65	return nil, err	×
66	}	×
67
68	hash, err := chainhash.NewHash(buf)	66✔
69	if err != nil {	66✔
70	return nil, err	×
71	}	×
72
73	return hash, nil	66✔
74	}

lightningnetwork / lnd / 19155841408

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