14358372723

Committed 09 Apr 2025 01:26PM UTC coverage: 56.696% (-12.3%) from 69.037%

Build # 14358372723

Build Type

Pull #9696

github

Committed by

web-flow

Commit Message

Merge e2837e400 into 867d27d68

Pull Request Pull Request #9696: Add `development_guidelines.md` for both human and machine

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83.78

/lnwallet/chainfee/rates.go

package chainfee

import (
        "fmt"

        "github.com/btcsuite/btcd/blockchain"
        "github.com/btcsuite/btcd/btcutil"
        "github.com/lightningnetwork/lnd/lntypes"
)

const (
        // FeePerKwFloor is the lowest fee rate in sat/kw that we should use for
        // estimating transaction fees before signing.
        FeePerKwFloor SatPerKWeight = 253

        // AbsoluteFeePerKwFloor is the lowest fee rate in sat/kw of a
        // transaction that we should ever _create_. This is the equivalent
        // of 1 sat/byte in sat/kw.
        AbsoluteFeePerKwFloor SatPerKWeight = 250
)

// SatPerVByte represents a fee rate in sat/vbyte.
type SatPerVByte btcutil.Amount

// FeePerKWeight converts the current fee rate from sat/vb to sat/kw.
func (s SatPerVByte) FeePerKWeight() SatPerKWeight {
        return SatPerKWeight(s * 1000 / blockchain.WitnessScaleFactor)
}

// FeePerKVByte converts the current fee rate from sat/vb to sat/kvb.
func (s SatPerVByte) FeePerKVByte() SatPerKVByte {
        return SatPerKVByte(s * 1000)
}

// String returns a human-readable string of the fee rate.
func (s SatPerVByte) String() string {
        return fmt.Sprintf("%v sat/vb", int64(s))
}

// SatPerKVByte represents a fee rate in sat/kb.
type SatPerKVByte btcutil.Amount

// FeeForVSize calculates the fee resulting from this fee rate and the given
// vsize in vbytes.
func (s SatPerKVByte) FeeForVSize(vbytes lntypes.VByte) btcutil.Amount {
        return btcutil.Amount(s) * btcutil.Amount(vbytes) / 1000
}

// FeePerKWeight converts the current fee rate from sat/kb to sat/kw.
func (s SatPerKVByte) FeePerKWeight() SatPerKWeight {
        return SatPerKWeight(s / blockchain.WitnessScaleFactor)
}

// String returns a human-readable string of the fee rate.
func (s SatPerKVByte) String() string {
        return fmt.Sprintf("%v sat/kvb", int64(s))
}

// SatPerKWeight represents a fee rate in sat/kw.
type SatPerKWeight btcutil.Amount

// NewSatPerKWeight creates a new fee rate in sat/kw.
func NewSatPerKWeight(fee btcutil.Amount, wu lntypes.WeightUnit) SatPerKWeight {
        return SatPerKWeight(fee.MulF64(1000 / float64(wu)))
}

// FeeForWeight calculates the fee resulting from this fee rate and the given
// weight in weight units (wu).
func (s SatPerKWeight) FeeForWeight(wu lntypes.WeightUnit) btcutil.Amount {
        // The resulting fee is rounded down, as specified in BOLT#03.
        return btcutil.Amount(s) * btcutil.Amount(wu) / 1000
}

// FeeForVByte calculates the fee resulting from this fee rate and the given
// size in vbytes (vb).
func (s SatPerKWeight) FeeForVByte(vb lntypes.VByte) btcutil.Amount {
        return s.FeePerKVByte().FeeForVSize(vb)
}

// FeePerKVByte converts the current fee rate from sat/kw to sat/kb.
func (s SatPerKWeight) FeePerKVByte() SatPerKVByte {
        return SatPerKVByte(s * blockchain.WitnessScaleFactor)
}

// FeePerVByte converts the current fee rate from sat/kw to sat/vb.
func (s SatPerKWeight) FeePerVByte() SatPerVByte {
        return SatPerVByte(s * blockchain.WitnessScaleFactor / 1000)
}

// String returns a human-readable string of the fee rate.
func (s SatPerKWeight) String() string {
        return fmt.Sprintf("%v sat/kw", int64(s))
}

1	package chainfee
2
3	import (
4	"fmt"
5
6	"github.com/btcsuite/btcd/blockchain"
7	"github.com/btcsuite/btcd/btcutil"
8	"github.com/lightningnetwork/lnd/lntypes"
9	)
10
11	const (
12	// FeePerKwFloor is the lowest fee rate in sat/kw that we should use for
13	// estimating transaction fees before signing.
14	FeePerKwFloor SatPerKWeight = 253
15
16	// AbsoluteFeePerKwFloor is the lowest fee rate in sat/kw of a
17	// transaction that we should ever _create_. This is the equivalent
18	// of 1 sat/byte in sat/kw.
19	AbsoluteFeePerKwFloor SatPerKWeight = 250
20	)
21
22	// SatPerVByte represents a fee rate in sat/vbyte.
23	type SatPerVByte btcutil.Amount
24
25	// FeePerKWeight converts the current fee rate from sat/vb to sat/kw.
26	func (s SatPerVByte) FeePerKWeight() SatPerKWeight {	18✔
27	return SatPerKWeight(s * 1000 / blockchain.WitnessScaleFactor)	18✔
28	}	18✔
29
30	// FeePerKVByte converts the current fee rate from sat/vb to sat/kvb.
31	func (s SatPerVByte) FeePerKVByte() SatPerKVByte {	1✔
32	return SatPerKVByte(s * 1000)	1✔
33	}	1✔
34
35	// String returns a human-readable string of the fee rate.
36	func (s SatPerVByte) String() string {	1✔
37	return fmt.Sprintf("%v sat/vb", int64(s))	1✔
38	}	1✔
39
40	// SatPerKVByte represents a fee rate in sat/kb.
41	type SatPerKVByte btcutil.Amount
42
43	// FeeForVSize calculates the fee resulting from this fee rate and the given
44	// vsize in vbytes.
45	func (s SatPerKVByte) FeeForVSize(vbytes lntypes.VByte) btcutil.Amount {	234✔
46	return btcutil.Amount(s) * btcutil.Amount(vbytes) / 1000	234✔
47	}	234✔
48
49	// FeePerKWeight converts the current fee rate from sat/kb to sat/kw.
50	func (s SatPerKVByte) FeePerKWeight() SatPerKWeight {	221✔
51	return SatPerKWeight(s / blockchain.WitnessScaleFactor)	221✔
52	}	221✔
53
54	// String returns a human-readable string of the fee rate.
55	func (s SatPerKVByte) String() string {	×
56	return fmt.Sprintf("%v sat/kvb", int64(s))	×
57	}	×
58
59	// SatPerKWeight represents a fee rate in sat/kw.
60	type SatPerKWeight btcutil.Amount
61
62	// NewSatPerKWeight creates a new fee rate in sat/kw.
63	func NewSatPerKWeight(fee btcutil.Amount, wu lntypes.WeightUnit) SatPerKWeight {	11✔
64	return SatPerKWeight(fee.MulF64(1000 / float64(wu)))	11✔
65	}	11✔
66
67	// FeeForWeight calculates the fee resulting from this fee rate and the given
68	// weight in weight units (wu).
69	func (s SatPerKWeight) FeeForWeight(wu lntypes.WeightUnit) btcutil.Amount {	226,485✔
70	// The resulting fee is rounded down, as specified in BOLT#03.	226,485✔
71	return btcutil.Amount(s) * btcutil.Amount(wu) / 1000	226,485✔
72	}	226,485✔
73
74	// FeeForVByte calculates the fee resulting from this fee rate and the given
75	// size in vbytes (vb).
76	func (s SatPerKWeight) FeeForVByte(vb lntypes.VByte) btcutil.Amount {	×
77	return s.FeePerKVByte().FeeForVSize(vb)	×
78	}	×
79
80	// FeePerKVByte converts the current fee rate from sat/kw to sat/kb.
81	func (s SatPerKWeight) FeePerKVByte() SatPerKVByte {	532✔
82	return SatPerKVByte(s * blockchain.WitnessScaleFactor)	532✔
83	}	532✔
84
85	// FeePerVByte converts the current fee rate from sat/kw to sat/vb.
86	func (s SatPerKWeight) FeePerVByte() SatPerVByte {	58✔
87	return SatPerVByte(s * blockchain.WitnessScaleFactor / 1000)	58✔
88	}	58✔
89
90	// String returns a human-readable string of the fee rate.
91	func (s SatPerKWeight) String() string {	34✔
92	return fmt.Sprintf("%v sat/kw", int64(s))	34✔
93	}	34✔

lightningnetwork / lnd / 14358372723

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