96 lines
3.4 KiB
Go
96 lines
3.4 KiB
Go
package wtwire
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import "io"
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// CreateSessionCode is an error code returned by a watchtower in response to a
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// CreateSession message. The code directs the client in interpreting the payload
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// in the reply.
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type CreateSessionCode = ErrorCode
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const (
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// CreateSessionCodeAlreadyExists is returned when a session is already
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// active for the public key used to connect to the watchtower. The
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// response includes the serialized reward address in case the original
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// reply was never received and/or processed by the client.
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CreateSessionCodeAlreadyExists CreateSessionCode = 60
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// CreateSessionCodeRejectMaxUpdates the tower rejected the maximum
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// number of state updates proposed by the client.
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CreateSessionCodeRejectMaxUpdates CreateSessionCode = 61
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// CreateSessionCodeRejectRewardRate the tower rejected the reward rate
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// proposed by the client.
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CreateSessionCodeRejectRewardRate CreateSessionCode = 62
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// CreateSessionCodeRejectSweepFeeRate the tower rejected the sweep fee
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// rate proposed by the client.
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CreateSessionCodeRejectSweepFeeRate CreateSessionCode = 63
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// CreateSessionCodeRejectBlobType is returned when the tower does not
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// support the proposed blob type.
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CreateSessionCodeRejectBlobType CreateSessionCode = 64
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)
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// MaxCreateSessionReplyDataLength is the maximum size of the Data payload
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// returned in a CreateSessionReply message. This does not include the length of
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// the Data field, which is a varint up to 3 bytes in size.
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const MaxCreateSessionReplyDataLength = 1024
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// CreateSessionReply is a message sent from watchtower to client in response to a
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// CreateSession message, and signals either an acceptance or rejection of the
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// proposed session parameters.
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type CreateSessionReply struct {
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// Code will be non-zero if the watchtower rejected the session init.
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Code CreateSessionCode
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// Data is a byte slice returned the caller of the message, and is to be
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// interpreted according to the error Code. When the response is
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// CreateSessionCodeOK, data encodes the reward address to be included in
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// any sweep transactions if the reward is not dusty. Otherwise, it may
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// encode the watchtowers configured parameters for any policy
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// rejections.
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Data []byte
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}
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// A compile time check to ensure CreateSessionReply implements the wtwire.Message
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// interface.
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var _ Message = (*CreateSessionReply)(nil)
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// Decode deserializes a serialized CreateSessionReply message stored in the passed
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// io.Reader observing the specified protocol version.
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//
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// This is part of the wtwire.Message interface.
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func (m *CreateSessionReply) Decode(r io.Reader, pver uint32) error {
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return ReadElements(r,
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&m.Code,
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&m.Data,
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)
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}
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// Encode serializes the target CreateSessionReply into the passed io.Writer
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// observing the protocol version specified.
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//
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// This is part of the wtwire.Message interface.
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func (m *CreateSessionReply) Encode(w io.Writer, pver uint32) error {
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return WriteElements(w,
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m.Code,
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m.Data,
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)
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}
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// MsgType returns the integer uniquely identifying this message type on the
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// wire.
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//
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// This is part of the wtwire.Message interface.
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func (m *CreateSessionReply) MsgType() MessageType {
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return MsgCreateSessionReply
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}
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// MaxPayloadLength returns the maximum allowed payload size for a CreateSessionReply
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// complete message observing the specified protocol version.
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//
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// This is part of the wtwire.Message interface.
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func (m *CreateSessionReply) MaxPayloadLength(uint32) uint32 {
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return 2 + 3 + MaxCreateSessionReplyDataLength
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}
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