feat(docker): auto-setup Lightning channels for unified regtest mode
Add automatic channel setup to dev.sh for seamless ATM development: - Add ensure_lnd4_channel() to open channels from lnd-1 hub to lnd-3 and lnd-4 - lnd-4 receives channel for Lightning.Pub invoice creation - lnd-3 receives channel for paying invoices (ATM funding) - Auto-fund lnd-1 via mining if balance is low - Include retry logic for channel opening (5 attempts) - Mine extra blocks and wait for graph propagation to avoid NO_ROUTE errors - Show channel balance in status output This makes the unified mode fully functional from a clean slate: ./docker/dev.sh up --fund # Sets up regtest, channels, and funds ATM ./docker/dev.sh atm # Launch ATM application Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Patrick Mulligan
parent
c3564beccf
commit
90eceeafd9
1 changed files with 157 additions and 2 deletions
159
docker/dev.sh
159
docker/dev.sh
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@ -86,18 +86,165 @@ is_lnd4_ready() {
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docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 getinfo &>/dev/null 2>&1
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}
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lnd4_has_channels() {
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local channel_count=$(docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 listchannels 2>/dev/null | grep -c '"chan_id"' || echo "0")
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[[ "$channel_count" -gt 0 ]]
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}
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lnd4_has_active_channels() {
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docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 listchannels 2>/dev/null | grep -q '"active": true'
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}
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is_lightning_pub_ready() {
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docker logs lamassu-lightning-pub 2>&1 | grep -q "LightningPub listening"
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}
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get_lnd4_balance() {
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docker exec lnbits-lnd-4-1 lncli --network=regtest walletbalance 2>/dev/null | grep -oP '"total_balance":\s*"\K[0-9]+' || echo "0"
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docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 walletbalance 2>/dev/null | grep -oP '"total_balance":\s*"\K[0-9]+' || echo "0"
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}
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get_lnd4_channel_balance() {
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docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 channelbalance 2>/dev/null | grep -oP '"local_balance"[^}]*"sat":\s*"\K[0-9]+' || echo "0"
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}
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#############################################################################
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# Regtest Management
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#############################################################################
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is_lnd1_ready() {
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# Check if lnd-1 is fully ready (can make RPC calls)
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docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 getinfo &>/dev/null 2>&1
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}
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wait_for_lnd1() {
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log "Waiting for lnd-1 to be ready..."
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local attempts=0
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while ! is_lnd1_ready && [[ $attempts -lt 30 ]]; do
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sleep 2
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attempts=$((attempts + 1))
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done
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is_lnd1_ready
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}
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ensure_lnd4_channel() {
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# Ensure lnd-4 has a channel so it can create invoices
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# Also ensure lnd-3 has a channel so it can pay invoices (for funding)
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# Opens channels from lnd-1 (hub) to both lnd-3 and lnd-4
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if lnd4_has_active_channels; then
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log "lnd-4 has active channels"
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return 0
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fi
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log "Setting up Lightning channels for ATM..."
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# Wait for lnd-1 to be ready (it's the funding hub)
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if ! wait_for_lnd1; then
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error "lnd-1 failed to start"
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return 1
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fi
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success "lnd-1 is ready"
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# Give lnd-1 a moment to fully initialize (getinfo succeeds before all subsystems ready)
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sleep 5
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# Check if lnd-1 has funds, if not fund it
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local lnd1_balance=$(docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 walletbalance 2>/dev/null | grep -oP '"confirmed_balance":\s*"\K[0-9]+' | head -1 || echo "0")
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lnd1_balance="${lnd1_balance:-0}"
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if [[ "$lnd1_balance" -lt 100000000 ]]; then
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log "Funding lnd-1 with mining rewards..."
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local lnd1_addr=$(docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 newaddress p2wkh 2>/dev/null | grep -oP '"address":\s*"\K[^"]+')
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docker exec lnbits-bitcoind-1 bitcoin-cli -regtest generatetoaddress 110 "$lnd1_addr" &>/dev/null
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sleep 3
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success "lnd-1 funded"
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fi
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# Get pubkeys
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local lnd4_pubkey=$(docker exec lnbits-lnd-4-1 lncli --network=regtest --rpcserver=lnd-4:10009 getinfo 2>/dev/null | grep -oP '"identity_pubkey":\s*"\K[^"]+')
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local lnd3_pubkey=$(docker exec lnbits-lnd-3-1 lncli --network=regtest --rpcserver=lnd-3:10009 getinfo 2>/dev/null | grep -oP '"identity_pubkey":\s*"\K[^"]+')
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if [[ -z "$lnd4_pubkey" ]] || [[ -z "$lnd3_pubkey" ]]; then
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error "Could not get LND pubkeys"
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return 1
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fi
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# Connect lnd-1 to lnd-3 and lnd-4
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log "Connecting nodes..."
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docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 \
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connect "${lnd3_pubkey}@lnd-3:9735" &>/dev/null || true
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docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 \
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connect "${lnd4_pubkey}@lnd-4:9735" &>/dev/null || true
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# Retry loop for opening channels (server may still be initializing)
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local result3="" result4="" attempts=0
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while [[ $attempts -lt 5 ]]; do
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# Open channel to lnd-3: 10M sats, push 5M so lnd-3 has sending capacity
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if [[ -z "$result3" ]] || echo "$result3" | grep -q "still in the process of starting"; then
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result3=$(docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 \
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openchannel --node_key="$lnd3_pubkey" --local_amt=10000000 --push_amt=5000000 2>&1)
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fi
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# Open channel to lnd-4: 10M sats, push 5M so lnd-4 has receiving capacity
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if [[ -z "$result4" ]] || echo "$result4" | grep -q "still in the process of starting"; then
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result4=$(docker exec lnbits-lnd-1-1 lncli --network=regtest --rpcserver=lnd-1:10009 \
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openchannel --node_key="$lnd4_pubkey" --local_amt=10000000 --push_amt=5000000 2>&1)
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fi
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# Check if both succeeded
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if echo "$result3" | grep -q "funding_txid" && echo "$result4" | grep -q "funding_txid"; then
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break
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fi
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attempts=$((attempts + 1))
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if [[ $attempts -lt 5 ]]; then
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log "Waiting for LND to be fully ready... (attempt $attempts/5)"
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sleep 5
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fi
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done
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log "Opening channel lnd-1 -> lnd-3..."
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log "Opening channel lnd-1 -> lnd-4..."
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local channels_opened=false
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if echo "$result3" | grep -q "funding_txid" || echo "$result4" | grep -q "funding_txid"; then
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channels_opened=true
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fi
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if [[ "$channels_opened" == "true" ]]; then
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log "Mining blocks to confirm channels..."
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# Mine 10 blocks to confirm channels and allow graph propagation
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local addr=$(docker exec lnbits-bitcoind-1 bitcoin-cli -regtest getnewaddress 2>/dev/null)
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docker exec lnbits-bitcoind-1 bitcoin-cli -regtest generatetoaddress 10 "$addr" &>/dev/null
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# Wait for channels to become active
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local attempts=0
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while ! lnd4_has_active_channels && [[ $attempts -lt 20 ]]; do
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sleep 2
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attempts=$((attempts + 1))
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done
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if lnd4_has_active_channels; then
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# Wait a bit more for graph propagation
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log "Waiting for network graph to sync..."
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sleep 10
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# Mine a few more blocks to trigger announcements
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docker exec lnbits-bitcoind-1 bitcoin-cli -regtest generatetoaddress 6 "$addr" &>/dev/null
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sleep 5
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success "Channels active - lnd-3 and lnd-4 ready"
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return 0
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else
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warn "Channels opened but not yet active, may need more time"
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return 0
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fi
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else
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error "Failed to open channels"
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echo "lnd-3 result: $result3"
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echo "lnd-4 result: $result4"
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return 1
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fi
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}
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start_regtest() {
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if is_regtest_running; then
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log "Regtest network already running"
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@ -128,6 +275,9 @@ start_regtest() {
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error "lnd-4 failed to start"
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return 1
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fi
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# Ensure lnd-4 has a channel for invoices
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ensure_lnd4_channel || warn "Could not setup lnd-4 channel (funding may fail)"
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}
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stop_regtest() {
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@ -336,8 +486,10 @@ show_status() {
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echo " Withdraw API: http://${local_ip}:1777"
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echo ""
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local lnd4_channel_balance=$(get_lnd4_channel_balance)
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echo -e "${CYAN}lnd-4 (Lightning.Pub backend)${NC}"
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echo " Balance: ${lnd4_balance} sats"
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echo " Channel Balance: ${lnd4_channel_balance} sats"
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echo " Wallet Balance: ${lnd4_balance} sats"
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echo ""
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echo -e "${CYAN}ATM App${NC}"
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@ -413,6 +565,9 @@ cmd_up() {
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echo " Start with: regtest-start"
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echo " Or use: ./dev.sh up --standalone"
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exit 1
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elif [[ "$standalone" != "true" ]]; then
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# Regtest already running, but ensure lnd-4 has channels
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ensure_lnd4_channel || warn "Could not setup lnd-4 channel (funding may fail)"
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fi
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# 2. Build from worktree if specified
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