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orders: deny wumbo orders if lnd node isn't wumbo enabled

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Fixes #27.
This commit is contained in:
Olaoluwa Osuntokun 2020-09-04 18:38:00 -07:00
parent 37d4468831
commit fc2bec5cab
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GPG key ID: BC13F65E2DC84465
2 changed files with 29 additions and 2 deletions
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8
go.sum
View file

@ -1,11 +1,15 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
git.schwanenlied.me/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e h1:F2x1bq7RaNCIuqYpswggh1+c1JmwdnkHNC9wy1KDip0=
git.schwanenlied.me/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e/go.mod h1:BWqTsj8PgcPriQJGl7el20J/7TuT1d/hSyFDXMEpoEo=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e h1:n+DcnTNkQnHlwpsrHoQtkrJIO7CBx029fw6oR4vIob4=
github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e/go.mod h1:Bdzq+51GR4/0DIhaICZEOm+OHvXGwwB2trKZ8B4Y6eQ=
github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82 h1:MG93+PZYs9PyEsj/n5/haQu2gK0h4tUtSy9ejtMwWa0=
github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82/go.mod h1:GbuBk21JqF+driLX3XtJYNZjGa45YDoa9IqCTzNSfEc=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/Yawning/aez v0.0.0-20180114000226-4dad034d9db2 h1:2be4ykKKov3M1yISM2E8gnGXZ/N2SsPawfnGiXxaYEU=
github.com/Yawning/aez v0.0.0-20180114000226-4dad034d9db2/go.mod h1:9pIqrY6SXNL8vjRQE5Hd/OL5GyK/9MrGUWs87z/eFfk=
github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
@ -142,7 +146,9 @@ github.com/grpc-ecosystem/grpc-gateway v1.14.6 h1:8ERzHx8aj1Sc47mu9n/AksaKCSWrMc
github.com/grpc-ecosystem/grpc-gateway v1.14.6/go.mod h1:zdiPV4Yse/1gnckTHtghG4GkDEdKCRJduHpTxT3/jcw=
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/jackpal/gateway v1.0.5 h1:qzXWUJfuMdlLMtt0a3Dgt+xkWQiA5itDEITVJtuSwMc=
github.com/jackpal/gateway v1.0.5/go.mod h1:lTpwd4ACLXmpyiCTRtfiNyVnUmqT9RivzCDQetPfnjA=
github.com/jackpal/go-nat-pmp v0.0.0-20170405195558-28a68d0c24ad h1:heFfj7z0pGsNCekUlsFhO2jstxO4b5iQ665LjwM5mDc=
github.com/jackpal/go-nat-pmp v0.0.0-20170405195558-28a68d0c24ad/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
github.com/jedib0t/go-pretty v4.3.0+incompatible/go.mod h1:XemHduiw8R651AF9Pt4FwCTKeG3oo7hrHJAoznj9nag=
github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
@ -204,6 +210,7 @@ github.com/lightningnetwork/lightning-onion v1.0.2-0.20200501022730-3c8c8d0b89ea
github.com/lightningnetwork/lnd v0.11.0-beta h1:pUAT7FMHqS+iarNxyRtgj96XKCGAWwmb6ZdiUBy78ts=
github.com/lightningnetwork/lnd v0.11.0-beta/go.mod h1:CzArvT7NFDLhVyW06+NJWSuWFmE6Ea+AjjA3txUBqTM=
github.com/lightningnetwork/lnd v0.11.0-beta/go.mod h1:CzArvT7NFDLhVyW06+NJWSuWFmE6Ea+AjjA3txUBqTM=
github.com/lightningnetwork/lnd/cert v1.0.2 h1:g2rEu+sM2Uyz0bpfuvwri/ks6R/26H5iY1NcGbpDJ+c=
github.com/lightningnetwork/lnd/cert v1.0.2/go.mod h1:fmtemlSMf5t4hsQmcprSoOykypAPp+9c+0d0iqTScMo=
github.com/lightningnetwork/lnd/clock v1.0.1 h1:QQod8+m3KgqHdvVMV+2DRNNZS1GRFir8mHZYA+Z2hFo=
github.com/lightningnetwork/lnd/clock v1.0.1/go.mod h1:KnQudQ6w0IAMZi1SgvecLZQZ43ra2vpDNj7H/aasemg=
@ -274,6 +281,7 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/tmc/grpc-websocket-proxy v0.0.0-20200122045848-3419fae592fc h1:yUaosFVTJwnltaHbSNC3i82I92quFs+OFPRl8kNMVwo=
github.com/tmc/grpc-websocket-proxy v0.0.0-20200122045848-3419fae592fc/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/tv42/zbase32 v0.0.0-20160707012821-501572607d02 h1:tcJ6OjwOMvExLlzrAVZute09ocAGa7KqOON60++Gz4E=
github.com/tv42/zbase32 v0.0.0-20160707012821-501572607d02/go.mod h1:tHlrkM198S068ZqfrO6S8HsoJq2bF3ETfTL+kt4tInY=
github.com/urfave/cli v1.18.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=

23
rpcserver.go
View file

@ -24,9 +24,11 @@ import (
"github.com/lightninglabs/llm/order"
"github.com/lightninglabs/llm/terms"
"github.com/lightninglabs/lndclient"
"github.com/lightningnetwork/lnd"
"github.com/lightningnetwork/lnd/chanbackup"
"github.com/lightningnetwork/lnd/lnrpc"
"github.com/lightningnetwork/lnd/lnwallet/chainfee"
"github.com/lightningnetwork/lnd/lnwire"
)
const (
@ -64,6 +66,10 @@ type rpcServer struct {
pendingOpenChannelStreamCancel func()
recoveryMutex sync.Mutex
recoveryPending bool
// wumboSupported is true if the backing lnd node supports wumbo
// channels.
wumboSupported bool
}
// accountStore is a clientdb.DB wrapper to implement the account.Store
@ -135,13 +141,18 @@ func (s *rpcServer) Start() error {
lndCtx, lndCancel := context.WithTimeout(ctx, getInfoTimeout)
defer lndCancel()
info, err := s.lndServices.Client.GetInfo(lndCtx)
info, err := s.lndClient.GetInfo(lndCtx, &lnrpc.GetInfoRequest{})
if err != nil {
return fmt.Errorf("error in GetInfo: %v", err)
}
_, s.wumboSupported = info.Features[uint32(lnwire.WumboChannelsRequired)]
if !s.wumboSupported {
_, s.wumboSupported = info.Features[uint32(lnwire.WumboChannelsOptional)]
}
rpcLog.Infof("Connected to lnd node %v with pubkey %v", info.Alias,
hex.EncodeToString(info.IdentityPubkey[:]))
info.IdentityPubkey)
var blockCtx context.Context
blockCtx, s.blockNtfnCancel = context.WithCancel(ctx)
@ -1038,6 +1049,14 @@ func (s *rpcServer) SubmitOrder(ctx context.Context,
return nil, fmt.Errorf("invalid order request")
}
// Now that we now how large the order is, ensure that if it's a
// wumbo-sized order, then the backing lnd node is advertising wumbo
// support.
if o.Details().Amt > lnd.MaxBtcFundingAmount && !s.wumboSupported {
return nil, fmt.Errorf("order of %v is wumbo sized, but "+
"lnd node isn't signalling wumbo", o.Details().Amt)
}
// Verify that the account exists.
acctKey, err := btcec.ParsePubKey(
o.Details().AcctKey[:], btcec.S256(),