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firewalldb: export DecodeChannelPoint and restrict

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bitromortac 2023-08-18 17:40:13 +02:00
parent 6e30ecaa69
commit 5580d6861d
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GPG key ID: 1965063FC13BEBE2
2 changed files with 12 additions and 7 deletions
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4
firewall/privacy_mapper_test.go
View file

@ -127,7 +127,7 @@ func TestPrivacyMapper(t *testing.T) {
},
{
ChanId: 3446430762436373227,
ChannelPoint: "45ec471bfccb0b7b9a8bc4008248931c59ad994903e07b54f54821ea3ef5cc5c62:1642614131",
ChannelPoint: "45ec471bfccb0b7b9a8bc4008248931c59ad994903e07b54f54821ea3ef5cc5c:1642614131",
},
},
},
@ -287,7 +287,7 @@ func TestPrivacyMapper(t *testing.T) {
"00000000000002a6": "7859bf41241787c2",
"000000000000036c": "1320e5d25b7b5973",
"abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd:0": "097ef666a61919ff3413b3b701eae3a5cbac08f70c0ca567806e1fa6acbfe384:2161781494",
"abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd:1": "45ec471bfccb0b7b9a8bc4008248931c59ad994903e07b54f54821ea3ef5cc5c62:1642614131",
"abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd:1": "45ec471bfccb0b7b9a8bc4008248931c59ad994903e07b54f54821ea3ef5cc5c:1642614131",
"01020304": "c8134495",
}

15
firewalldb/privacy_mapper.go
View file

@ -393,7 +393,7 @@ func HideChanPoint(tx PrivacyMapTx, txid string, index uint32) (string,
return "", 0, err
}
if err == nil {
return decodeChannelPoint(pseudo)
return DecodeChannelPoint(pseudo)
}
newCp, err := NewPseudoChanPoint()
@ -405,7 +405,7 @@ func HideChanPoint(tx PrivacyMapTx, txid string, index uint32) (string,
return "", 0, err
}
return decodeChannelPoint(newCp)
return DecodeChannelPoint(newCp)
}
func NewPseudoChanPoint() (string, error) {
@ -427,7 +427,7 @@ func RevealChanPoint(tx PrivacyMapTx, txid string, index uint32) (string,
return "", 0, err
}
return decodeChannelPoint(real)
return DecodeChannelPoint(real)
}
func NewPseudoUint32() uint32 {
@ -438,7 +438,7 @@ func NewPseudoUint32() uint32 {
}
func HideChanPointStr(tx PrivacyMapTx, cp string) (string, error) {
txid, index, err := decodeChannelPoint(cp)
txid, index, err := DecodeChannelPoint(cp)
if err != nil {
return "", err
}
@ -500,7 +500,7 @@ func StrToUint64(s string) (uint64, error) {
return binary.BigEndian.Uint64(b), nil
}
func decodeChannelPoint(cp string) (string, uint32, error) {
func DecodeChannelPoint(cp string) (string, uint32, error) {
parts := strings.Split(cp, ":")
if len(parts) != 2 {
return "", 0, fmt.Errorf("bad channel point encoding")
@ -511,6 +511,11 @@ func decodeChannelPoint(cp string) (string, uint32, error) {
return "", 0, err
}
if len(parts[0]) != txidStringLen {
return "", 0, fmt.Errorf("wrong txid length want %v, got %v",
txidStringLen, len(parts[0]))
}
return parts[0], uint32(index), nil
}