72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
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package trust
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import (
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"errors"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// Constants to match up protocol versions and messages
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const (
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Trust1 = 1
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)
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// ProtocolName is the official short name of the `trust` protocol used during
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// devp2p capability negotiation.
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const ProtocolName = "trust"
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// ProtocolVersions are the supported versions of the `trust` protocol (first
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// is primary).
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var ProtocolVersions = []uint{Trust1}
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// protocolLengths are the number of implemented message corresponding to
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// different protocol versions.
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var protocolLengths = map[uint]uint64{Trust1: 2}
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// maxMessageSize is the maximum cap on the size of a protocol message.
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const maxMessageSize = 10 * 1024 * 1024
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const (
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RequestRootMsg = 0x00
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RespondRootMsg = 0x01
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)
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var defaultExtra = []byte{0x00}
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var (
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errMsgTooLarge = errors.New("message too long")
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errDecode = errors.New("invalid message")
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errInvalidMsgCode = errors.New("invalid message code")
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)
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// Packet represents a p2p message in the `trust` protocol.
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type Packet interface {
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Name() string // Name returns a string corresponding to the message type.
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Kind() byte // Kind returns the message type.
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}
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type RootRequestPacket struct {
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RequestId uint64
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BlockNumber uint64
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BlockHash common.Hash
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DiffHash common.Hash
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}
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type RootResponsePacket struct {
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RequestId uint64
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Status types.VerifyStatus
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BlockNumber uint64
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BlockHash common.Hash
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Root common.Hash
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Extra rlp.RawValue // for extension
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}
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func (*RootRequestPacket) Name() string { return "RequestRoot" }
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func (*RootRequestPacket) Kind() byte { return RequestRootMsg }
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func (*RootResponsePacket) Name() string { return "RootResponse" }
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func (*RootResponsePacket) Kind() byte { return RespondRootMsg }
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