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Update blockchain height to 64-bits according to the Whitepaper 0.9.2. Close #74

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Kleissner
2021-12-11 20:43:38 +01:00
parent 5db25f2704
commit c12b68c35c
6 changed files with 42 additions and 42 deletions
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20
protocol/Message Encoding Announcement.go
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@@ -18,7 +18,7 @@ type MessageAnnouncement struct {
Protocol uint8 // Protocol version supported (low 4 bits).
Features uint8 // Feature support
Actions uint8 // Action bit array. See ActionX
BlockchainHeight uint32 // Blockchain height
BlockchainHeight uint64 // Blockchain height
BlockchainVersion uint64 // Blockchain version
PortInternal uint16 // Internal port. Can be used to detect NATs.
PortExternal uint16 // External port if known. 0 if not. Can be used for UPnP support.
@@ -56,7 +56,7 @@ const (
)
// Minimum length of Announcement payload header without User Agent
const announcementPayloadHeaderSize = 20
const announcementPayloadHeaderSize = 24
// DecodeAnnouncement decodes the incoming announcement message. Returns nil if invalid.
func DecodeAnnouncement(msg *MessageRaw) (result *MessageAnnouncement, err error) {
@@ -71,12 +71,12 @@ func DecodeAnnouncement(msg *MessageRaw) (result *MessageAnnouncement, err error
result.Protocol = msg.Payload[0] & 0x0F // Protocol version support is stored in the first 4 bits
result.Features = msg.Payload[1] // Feature support
result.Actions = msg.Payload[2]
result.BlockchainHeight = binary.LittleEndian.Uint32(msg.Payload[3:7])
result.BlockchainVersion = binary.LittleEndian.Uint64(msg.Payload[7:15])
result.PortInternal = binary.LittleEndian.Uint16(msg.Payload[15:17])
result.PortExternal = binary.LittleEndian.Uint16(msg.Payload[17:19])
result.BlockchainHeight = binary.LittleEndian.Uint64(msg.Payload[3 : 3+8])
result.BlockchainVersion = binary.LittleEndian.Uint64(msg.Payload[11 : 11+8])
result.PortInternal = binary.LittleEndian.Uint16(msg.Payload[19 : 19+2])
result.PortExternal = binary.LittleEndian.Uint16(msg.Payload[21 : 21+2])
userAgentLength := int(msg.Payload[19])
userAgentLength := int(msg.Payload[23])
if userAgentLength > 0 {
if userAgentLength > len(msg.Payload)-announcementPayloadHeaderSize {
return nil, errors.New("announcement: user agent overflow")
@@ -193,8 +193,8 @@ createPacketLoop:
raw[1] = features // Feature support
//raw[2] = Actions // Action bit array
binary.LittleEndian.PutUint32(raw[3:7], uint32(blockchainHeight))
binary.LittleEndian.PutUint64(raw[7:15], blockchainVersion)
binary.LittleEndian.PutUint64(raw[3:3+8], blockchainHeight)
binary.LittleEndian.PutUint64(raw[11:11+8], blockchainVersion)
// only on initial announcement the User Agent must be provided according to the protocol spec
if sendUA {
@@ -203,7 +203,7 @@ createPacketLoop:
userAgentB = userAgentB[:255]
}
raw[19] = byte(len(userAgentB))
raw[23] = byte(len(userAgentB))
copy(raw[announcementPayloadHeaderSize:announcementPayloadHeaderSize+len(userAgentB)], userAgentB)
packetSize += len(userAgentB)
}