mirror of
https://github.com/lnbook/lnbook
synced 2024-11-18 21:28:03 +00:00
f94fe3fd93
The docker containers have been improved and updated. The payment demo script can be rerun and is resilient to errors and delays. The docker mini-tutotial and installation instructions have been moved to a new appendix
178 lines
6.3 KiB
Bash
Executable File
178 lines
6.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Helper functions
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#
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# run-in-node: Run a command inside a docker container, using the bash shell
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function run-in-node () {
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docker exec "$1" /bin/bash -c "${@:2}"
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}
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# wait-for-cmd: Run a command repeatedly until it completes/exits successfuly
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function wait-for-cmd () {
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until "${@}" > /dev/null 2>&1
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do
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echo -n "."
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sleep 1
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done
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echo
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}
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# wait-for-node: Run a command repeatedly until it completes successfully, inside a container
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# Combining wait-for-cmd and run-in-node
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function wait-for-node () {
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wait-for-cmd run-in-node $1 "${@:2}"
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}
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# Start the demo
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echo "Starting Payment Demo"
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echo "======================================================"
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echo
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echo "Waiting for nodes to startup"
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echo -n "- Waiting for bitcoind startup..."
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wait-for-node bitcoind "cli getblockchaininfo | jq -e \".blocks > 101\""
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echo -n "- Waiting for bitcoind mining..."
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wait-for-node bitcoind "cli getbalance | jq -e \". > 50\""
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echo -n "- Waiting for Alice startup..."
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wait-for-node Alice "cli getinfo"
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echo -n "- Waiting for Bob startup..."
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wait-for-node Bob "cli getinfo"
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echo -n "- Waiting for Chan startup..."
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wait-for-node Chan "cli getinfo"
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echo -n "- Waiting for Dina startup..."
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wait-for-node Dina "cli getinfo"
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echo "All nodes have started"
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echo "======================================================"
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echo
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echo "Getting node IDs"
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alice_address=$(run-in-node Alice "cli getinfo | jq -r .identity_pubkey")
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bob_address=$(run-in-node Bob "cli getinfo | jq -r .id")
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chan_address=$(run-in-node Chan "cli getinfo| jq -r .nodeId")
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dina_address=$(run-in-node Dina "cli getinfo | jq -r .identity_pubkey")
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# Show node IDs
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echo "- Alice: ${alice_address}"
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echo "- Bob: ${bob_address}"
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echo "- Chan: ${chan_address}"
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echo "- Dina: ${dina_address}"
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echo "======================================================"
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echo
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echo "Waiting for Lightning nodes to sync the blockchain"
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echo -n "- Waiting for Alice chain sync..."
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wait-for-node Alice "cli getinfo | jq -e \".synced_to_chain == true\""
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echo -n "- Waiting for Bob chain sync..."
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wait-for-node Bob "cli getinfo | jq -e \".blockheight > 100\""
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echo -n "- Waiting for Chan chain sync..."
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wait-for-node Chan "cli getinfo | jq -e \".blockHeight > 100\""
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echo -n "- Waiting for Dina chain sync..."
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wait-for-node Dina "cli getinfo | jq -e \".synced_to_chain == true\""
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echo "All nodes synched to chain"
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echo "======================================================"
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echo
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echo "Setting up connections and channels"
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echo "- Alice to Bob"
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# Connect only if not already connected
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run-in-node Alice "cli listpeers | jq -e '.peers[] | select(.pub_key == \"${bob_address}\")' > /dev/null" \
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&& {
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echo "- Alice already connected to Bob"
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} || {
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echo "- Open connection from Alice node to Bob's node"
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wait-for-node Alice "cli connect ${bob_address}@Bob"
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}
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# Create channel only if not already created
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run-in-node Alice "cli listchannels | jq -e '.channels[] | select(.remote_pubkey == \"${bob_address}\")' > /dev/null" \
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&& {
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echo "- Alice->Bob channel already exists"
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} || {
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echo "- Create payment channel Alice->Bob"
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wait-for-node Alice "cli openchannel ${bob_address} 1000000"
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}
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echo "Bob to Chan"
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run-in-node Bob "cli listpeers | jq -e '.peers[] | select(.id == \"${chan_address}\")' > /dev/null" \
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&& {
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echo "- Bob already connected to Chan"
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} || {
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echo "- Open connection from Bob's node to Chan's node"
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wait-for-node Bob "cli connect ${chan_address}@Chan"
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}
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run-in-node Bob "cli listchannels | jq -e '.channels[] | select(.destination == \"${chan_address}\")' > /dev/null" \
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&& {
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echo "- Bob->Chan channel already exists"
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} || {
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echo "- Create payment channel Bob->Chan"
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wait-for-node Bob "cli fundchannel ${chan_address} 1000000"
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}
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echo "Chan to Dina"
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run-in-node Chan "cli peers | jq -e '.[] | select(.nodeId == \"${dina_address}\" and .state == \"CONNECTED\")' > /dev/null" \
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&& {
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echo "- Chan already connected to Dina"
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} || {
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echo "- Open connection from Chan's node to Dina's node"
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wait-for-node Chan "cli connect --uri=${dina_address}@Dina"
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}
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run-in-node Chan "cli channels | jq -e '.[] | select(.nodeId == \"${dina_address}\" and .state == \"NORMAL\")' > /dev/null" \
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&& {
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echo "- Chan->Dina channel already exists"
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} || {
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echo "- Create payment channel Chan->Dina"
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wait-for-node Chan "cli open --nodeId=${dina_address} --fundingSatoshis=1000000"
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}
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echo "All channels created"
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echo "======================================================"
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echo
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echo "Waiting for channels to be confirmed on the blockchain"
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echo -n "- Waiting for Alice channel confirmation..."
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wait-for-node Alice "cli listchannels | jq -e '.channels[] | select(.remote_pubkey == \"${bob_address}\" and .active == true)'"
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echo "- Alice->Bob connected"
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echo -n "- Waiting for Bob channel confirmation..."
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wait-for-node Bob "cli listchannels | jq -e '.channels[] | select(.destination == \"${chan_address}\" and .active == true)'"
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echo "- Bob->Chan connected"
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echo -n "- Waiting for Chan channel confirmation..."
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wait-for-node Chan "cli channels | jq -e '.[] | select (.nodeId == \"${dina_address}\" and .state == \"NORMAL\")' > /dev/null"
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echo "- Chan->Dina connected"
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echo "All channels confirmed"
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echo "======================================================"
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echo -n "Check Alice's route to Dina: "
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run-in-node Alice "cli queryroutes --dest \"${dina_address}\" --amt 10000" > /dev/null 2>&1 \
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&& {
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echo "Alice has a route to Dina"
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} || {
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echo "Alice doesn't yet have a route to Dina"
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echo "Waiting for Alice graph sync. This may take a while..."
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wait-for-node Alice "cli describegraph | jq -e '.edges | select(length >= 1)'"
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echo "- Alice knows about 1 channel"
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wait-for-node Alice "cli describegraph | jq -e '.edges | select(length >= 2)'"
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echo "- Alice knows about 2 channels"
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wait-for-node Alice "cli describegraph | jq -e '.edges | select(length == 3)'"
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echo "- Alice knows about all 3 channels!"
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echo "Alice knows about all the channels"
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}
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echo "======================================================"
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echo
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echo "Get 10k sats invoice from Dina"
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dina_invoice=$(run-in-node Dina "cli addinvoice 10000 | jq -r .payment_request")
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echo "- Dina invoice: "
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echo ${dina_invoice}
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echo "======================================================"
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echo
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echo "Attempting payment from Alice to Dina"
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run-in-node Alice "cli payinvoice --json --force ${dina_invoice} | jq -e '.failure_reason == \"FAILURE_REASON_NONE\"'" > /dev/null && {
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echo "Successful payment!"
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} ||
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{
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echo "Payment failed"
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}
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