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les: check required message types in cost table

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This commit is contained in:
Zsolt Felfoldi
2019-04-10 11:01:54 +02:00
parent 0de9f32ae8
commit c8d8126bd0
2 changed files with 30 additions and 4 deletions
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28
les/peer.go
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@ -168,7 +168,11 @@ func (p *peer) GetRequestCost(msgcode uint64, amount int) uint64 {
p.lock.RLock()
defer p.lock.RUnlock()
cost := p.fcCosts[msgcode].baseCost + p.fcCosts[msgcode].reqCost*uint64(amount)
costs := p.fcCosts[msgcode]
if costs == nil {
return 0
}
cost := costs.baseCost + costs.reqCost*uint64(amount)
if cost > p.fcServerParams.BufLimit {
cost = p.fcServerParams.BufLimit
}
@ -189,8 +193,12 @@ func (p *peer) GetTxRelayCost(amount, size int) uint64 {
panic(nil)
}
cost := p.fcCosts[msgcode].baseCost + p.fcCosts[msgcode].reqCost*uint64(amount)
sizeCost := p.fcCosts[msgcode].baseCost + p.fcCosts[msgcode].reqCost*uint64(size)/txSizeCostLimit
costs := p.fcCosts[msgcode]
if costs == nil {
return 0
}
cost := costs.baseCost + costs.reqCost*uint64(amount)
sizeCost := costs.baseCost + costs.reqCost*uint64(size)/txSizeCostLimit
if sizeCost > cost {
cost = sizeCost
}
@ -516,6 +524,20 @@ func (p *peer) Handshake(td *big.Int, head common.Hash, headNum uint64, genesis
p.fcServerParams = params
p.fcServer = flowcontrol.NewServerNode(params)
p.fcCosts = MRC.decode()
var checkList []uint64
switch p.version {
case lpv1:
checkList = reqListV1
case lpv2:
checkList = reqListV2
default:
panic(nil)
}
for _, msgCode := range checkList {
if p.fcCosts[msgCode] == nil {
return errResp(ErrUselessPeer, "peer does not support message %d", msgCode)
}
}
}
p.headInfo = &announceData{Td: rTd, Hash: rHash, Number: rNum}