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feat(protbot): add boost and gacha inspection scenarios

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Adds non-destructive test scenarios for the #187 boost-time fix and
the #175 / gacha-logging changes so regressions in those paths can be
caught without a full game client.

- boost: queries GET_BOOST_TIME_LIMIT, GET_BOOST_RIGHT, and
  GET_KEEP_LOGIN_BOOST_STATUS, flagging a zero boost_limit and all-zero
  login boost entries as the expected DisableBoostTime/DisableLoginBoost
  state.
- gacha: snapshots GET_GACHA_POINT and RECEIVE_GACHA_ITEM (freeze=true,
  so temp storage is not cleared), with an opt-in --roll flag that
  exercises PLAY_NORMAL_GACHA end-to-end. Detects the post-#175
  single-byte validation-failure ACK.
This commit is contained in:
Houmgaor
2026-04-06 17:58:04 +02:00
parent 6fa07ae4ae
commit 3e9f3d1b62
5 changed files with 477 additions and 18 deletions
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45
cmd/protbot/protocol/opcodes.go
View File

@@ -3,24 +3,37 @@ package protocol
// Packet opcodes (subset from Erupe's network/packetid.go iota).
const (
MSG_SYS_ACK uint16 = 0x0012
MSG_SYS_LOGIN uint16 = 0x0014
MSG_SYS_LOGOUT uint16 = 0x0015
MSG_SYS_PING uint16 = 0x0017
MSG_SYS_CAST_BINARY uint16 = 0x0018
MSG_SYS_TIME uint16 = 0x001A
MSG_SYS_CASTED_BINARY uint16 = 0x001B
MSG_SYS_ISSUE_LOGKEY uint16 = 0x001D
MSG_SYS_ENTER_STAGE uint16 = 0x0022
MSG_SYS_ENUMERATE_STAGE uint16 = 0x002F
MSG_SYS_INSERT_USER uint16 = 0x0050
MSG_SYS_DELETE_USER uint16 = 0x0051
MSG_SYS_UPDATE_RIGHT uint16 = 0x0058
MSG_SYS_RIGHTS_RELOAD uint16 = 0x005D
MSG_MHF_LOADDATA uint16 = 0x0061
MSG_MHF_ENUMERATE_QUEST uint16 = 0x009F
MSG_SYS_ACK uint16 = 0x0012
MSG_SYS_LOGIN uint16 = 0x0014
MSG_SYS_LOGOUT uint16 = 0x0015
MSG_SYS_PING uint16 = 0x0017
MSG_SYS_CAST_BINARY uint16 = 0x0018
MSG_SYS_TIME uint16 = 0x001A
MSG_SYS_CASTED_BINARY uint16 = 0x001B
MSG_SYS_ISSUE_LOGKEY uint16 = 0x001D
MSG_SYS_ENTER_STAGE uint16 = 0x0022
MSG_SYS_ENUMERATE_STAGE uint16 = 0x002F
MSG_SYS_INSERT_USER uint16 = 0x0050
MSG_SYS_DELETE_USER uint16 = 0x0051
MSG_SYS_UPDATE_RIGHT uint16 = 0x0058
MSG_SYS_RIGHTS_RELOAD uint16 = 0x005D
MSG_MHF_LOADDATA uint16 = 0x0061
MSG_MHF_ENUMERATE_QUEST uint16 = 0x009F
MSG_MHF_GET_ACHIEVEMENT uint16 = 0x00D4
MSG_MHF_ADD_ACHIEVEMENT uint16 = 0x00D6
MSG_MHF_DISPLAYED_ACHIEVEMENT uint16 = 0x00D8
MSG_MHF_GET_WEEKLY_SCHED uint16 = 0x00E1
// Boost time / login boost (issue #187)
MSG_MHF_GET_BOOST_TIME uint16 = 0x0126
MSG_MHF_GET_BOOST_TIME_LIMIT uint16 = 0x0128
MSG_MHF_GET_BOOST_RIGHT uint16 = 0x013E
MSG_MHF_START_BOOST_TIME uint16 = 0x013F
MSG_MHF_GET_KEEP_LOGIN_BOOST_STATUS uint16 = 0x0159
MSG_MHF_USE_KEEP_LOGIN_BOOST uint16 = 0x015A
// Gacha (issues #175, gacha logging)
MSG_MHF_GET_GACHA_POINT uint16 = 0x0131
MSG_MHF_RECEIVE_GACHA_ITEM uint16 = 0x0137
MSG_MHF_PLAY_NORMAL_GACHA uint16 = 0x0150
)

81
cmd/protbot/protocol/packets.go
View File

@@ -265,6 +265,87 @@ func BuildDisplayedAchievementPacket() []byte {
return bf.Data()
}
// BuildSimpleAckPacket builds a packet whose body is just an ack handle.
// Used by several trivial query packets (boost time, gacha point, ...).
//
// uint16 opcode
// uint32 ackHandle
// 0x00 0x10 terminator
func BuildSimpleAckPacket(opcode uint16, ackHandle uint32) []byte {
bf := byteframe.NewByteFrame()
bf.WriteUint16(opcode)
bf.WriteUint32(ackHandle)
bf.WriteBytes([]byte{0x00, 0x10})
return bf.Data()
}
// BuildStartBoostTimePacket builds a MSG_MHF_START_BOOST_TIME packet.
func BuildStartBoostTimePacket(ackHandle uint32) []byte {
return BuildSimpleAckPacket(MSG_MHF_START_BOOST_TIME, ackHandle)
}
// BuildGetBoostTimeLimitPacket builds a MSG_MHF_GET_BOOST_TIME_LIMIT packet.
func BuildGetBoostTimeLimitPacket(ackHandle uint32) []byte {
return BuildSimpleAckPacket(MSG_MHF_GET_BOOST_TIME_LIMIT, ackHandle)
}
// BuildGetBoostRightPacket builds a MSG_MHF_GET_BOOST_RIGHT packet.
func BuildGetBoostRightPacket(ackHandle uint32) []byte {
return BuildSimpleAckPacket(MSG_MHF_GET_BOOST_RIGHT, ackHandle)
}
// BuildGetKeepLoginBoostStatusPacket builds a MSG_MHF_GET_KEEP_LOGIN_BOOST_STATUS packet.
func BuildGetKeepLoginBoostStatusPacket(ackHandle uint32) []byte {
return BuildSimpleAckPacket(MSG_MHF_GET_KEEP_LOGIN_BOOST_STATUS, ackHandle)
}
// BuildGetGachaPointPacket builds a MSG_MHF_GET_GACHA_POINT packet.
func BuildGetGachaPointPacket(ackHandle uint32) []byte {
return BuildSimpleAckPacket(MSG_MHF_GET_GACHA_POINT, ackHandle)
}
// BuildPlayNormalGachaPacket builds a MSG_MHF_PLAY_NORMAL_GACHA packet.
// Layout mirrors Erupe's MsgMhfPlayNormalGacha.Parse:
//
// uint16 opcode
// uint32 ackHandle
// uint32 gachaID
// uint8 rollType (0=single, 1=ten-pull)
// uint8 gachaType
// 0x00 0x10 terminator
func BuildPlayNormalGachaPacket(ackHandle, gachaID uint32, rollType, gachaType uint8) []byte {
bf := byteframe.NewByteFrame()
bf.WriteUint16(MSG_MHF_PLAY_NORMAL_GACHA)
bf.WriteUint32(ackHandle)
bf.WriteUint32(gachaID)
bf.WriteUint8(rollType)
bf.WriteUint8(gachaType)
bf.WriteBytes([]byte{0x00, 0x10})
return bf.Data()
}
// BuildReceiveGachaItemPacket builds a MSG_MHF_RECEIVE_GACHA_ITEM packet.
// Layout mirrors Erupe's MsgMhfReceiveGachaItem.Parse:
//
// uint16 opcode
// uint32 ackHandle
// uint8 max
// uint8 freeze (bool; if non-zero, server does not clear the stored items)
// 0x00 0x10 terminator
func BuildReceiveGachaItemPacket(ackHandle uint32, max uint8, freeze bool) []byte {
bf := byteframe.NewByteFrame()
bf.WriteUint16(MSG_MHF_RECEIVE_GACHA_ITEM)
bf.WriteUint32(ackHandle)
bf.WriteUint8(max)
if freeze {
bf.WriteUint8(1)
} else {
bf.WriteUint8(0)
}
bf.WriteBytes([]byte{0x00, 0x10})
return bf.Data()
}
// BuildGetWeeklySchedulePacket builds a MSG_MHF_GET_WEEKLY_SCHEDULE packet.
//
// uint16 opcode