laozi-mainnet.sh

#!/bin/bash

# CONFIG SESSION
CHAIN_ID=band-laozi-mainnet
MONIKER=rest
# END

apt-get update
apt-get upgrade -y
apt-get install -y build-essential curl wget

# stackdriver agent
curl -sSO https://dl.google.com/cloudagents/add-monitoring-agent-repo.sh
sudo bash add-monitoring-agent-repo.sh
sudo apt-get update
sudo apt-get install -y stackdriver-agent

# install go
wget https://golang.org/dl/go1.15.13.linux-amd64.tar.gz
tar -C /usr/local -xzf go1.15.13.linux-amd64.tar.gz

# create new user with home
useradd -m bandd
WORKDIR=/home/bandd

sudo su -s /bin/bash bandd <<'EOF'

#!/bin/bash

cd $HOME

echo "export PATH=\$PATH:/usr/local/go/bin:~/go/bin" >> $HOME/.profile
source ~/.profile

# build
git clone https://github.com/bandprotocol/chain
cd chain
git checkout v2.0.3-rest
make install

# init
bandd init --chain-id band-laozi-mainnet rest

git clone https://github.com/bandprotocol/launch.git
pushd launch/band-laozi-mainnet

cp genesis.json $HOME/.band/config/genesis.json
mkdir -p $HOME/.band/
tar -zxvf files.tar.gz -C $HOME/.band/
popd

# add configuration
cat <<EOF1 > $HOME/.band/config/app.toml
# This is a TOML config file.
# For more information, see https://github.com/toml-lang/toml

###############################################################################
###                           Base Configuration                            ###
###############################################################################

# The minimum gas prices a validator is willing to accept for processing a
# transaction. A transaction's fees must meet the minimum of any denomination
# specified in this config (e.g. 0.25token1;0.0001token2).
minimum-gas-prices = ""

# default: the last 100 states are kept in addition to every 500th state; pruning at 10 block intervals
# nothing: all historic states will be saved, nothing will be deleted (i.e. archiving node)
# everything: all saved states will be deleted, storing only the current state; pruning at 10 block intervals
# custom: allow pruning options to be manually specified through 'pruning-keep-recent', 'pruning-keep-every', and 'pruning-interval'
pruning = "default"

# These are applied if and only if the pruning strategy is custom.
pruning-keep-recent = "0"
pruning-keep-every = "0"
pruning-interval = "0"

# HaltHeight contains a non-zero block height at which a node will gracefully
# halt and shutdown that can be used to assist upgrades and testing.
#
# Note: Commitment of state will be attempted on the corresponding block.
halt-height = 0

# HaltTime contains a non-zero minimum block time (in Unix seconds) at which
# a node will gracefully halt and shutdown that can be used to assist upgrades
# and testing.
#
# Note: Commitment of state will be attempted on the corresponding block.
halt-time = 0

# MinRetainBlocks defines the minimum block height offset from the current
# block being committed, such that all blocks past this offset are pruned
# from Tendermint. It is used as part of the process of determining the
# ResponseCommit.RetainHeight value during ABCI Commit. A value of 0 indicates
# that no blocks should be pruned.
#
# This configuration value is only responsible for pruning Tendermint blocks.
# It has no bearing on application state pruning which is determined by the
# "pruning-*" configurations.
#
# Note: Tendermint block pruning is dependant on this parameter in conunction
# with the unbonding (safety threshold) period, state pruning and state sync
# snapshot parameters to determine the correct minimum value of
# ResponseCommit.RetainHeight.
min-retain-blocks = 0

# InterBlockCache enables inter-block caching.
inter-block-cache = true

# IndexEvents defines the set of events in the form {eventType}.{attributeKey},
# which informs Tendermint what to index. If empty, all events will be indexed.
#
# Example:
# ["message.sender", "message.recipient"]
index-events = []

###############################################################################
###                         Telemetry Configuration                         ###
###############################################################################

[telemetry]

# Prefixed with keys to separate services.
service-name = ""

# Enabled enables the application telemetry functionality. When enabled,
# an in-memory sink is also enabled by default. Operators may also enabled
# other sinks such as Prometheus.
enabled = false

# Enable prefixing gauge values with hostname.
enable-hostname = false

# Enable adding hostname to labels.
enable-hostname-label = false

# Enable adding service to labels.
enable-service-label = false

# PrometheusRetentionTime, when positive, enables a Prometheus metrics sink.
prometheus-retention-time = 0

# GlobalLabels defines a global set of name/value label tuples applied to all
# metrics emitted using the wrapper functions defined in telemetry package.
#
# Example:
# [["chain_id", "cosmoshub-1"]]
global-labels = [
]

###############################################################################
###                           API Configuration                             ###
###############################################################################

[api]

# Enable defines if the API server should be enabled.
enable = true

# Swagger defines if swagger documentation should automatically be registered.
swagger = false

# Address defines the API server to listen on.
address = "tcp://0.0.0.0:1317"

# MaxOpenConnections defines the number of maximum open connections.
max-open-connections = 1000

# RPCReadTimeout defines the Tendermint RPC read timeout (in seconds).
rpc-read-timeout = 10

# RPCWriteTimeout defines the Tendermint RPC write timeout (in seconds).
rpc-write-timeout = 0

# RPCMaxBodyBytes defines the Tendermint maximum response body (in bytes).
rpc-max-body-bytes = 1000000

# EnableUnsafeCORS defines if CORS should be enabled (unsafe - use it at your own risk).
enabled-unsafe-cors = true

###############################################################################
###                           gRPC Configuration                            ###
###############################################################################

[grpc]

# Enable defines if the gRPC server should be enabled.
enable = true

# Address defines the gRPC server address to bind to.
address = "0.0.0.0:9090"

###############################################################################
###                        State Sync Configuration                         ###
###############################################################################

# State sync snapshots allow other nodes to rapidly join the network without replaying historical
# blocks, instead downloading and applying a snapshot of the application state at a given height.
[state-sync]

# snapshot-interval specifies the block interval at which local state sync snapshots are
# taken (0 to disable). Must be a multiple of pruning-keep-every.
snapshot-interval = 0

# snapshot-keep-recent specifies the number of recent snapshots to keep and serve (0 to keep all).
snapshot-keep-recent = 2
EOF1

cat <<EOF1 > $HOME/.band/config/config.toml
# This is a TOML config file.
# For more information, see https://github.com/toml-lang/toml

# NOTE: Any path below can be absolute (e.g. "/var/myawesomeapp/data") or
# relative to the home directory (e.g. "data"). The home directory is
# "$HOME/.tendermint" by default, but could be changed via $TMHOME env variable
# or --home cmd flag.

#######################################################################
###                   Main Base Config Options                      ###
#######################################################################

# TCP or UNIX socket address of the ABCI application,
# or the name of an ABCI application compiled in with the Tendermint binary
proxy_app = "tcp://127.0.0.1:26658"

# A custom human readable name for this node
moniker = "rest"

# If this node is many blocks behind the tip of the chain, FastSync
# allows them to catchup quickly by downloading blocks in parallel
# and verifying their commits
fast_sync = true

# Database backend: goleveldb | cleveldb | boltdb | rocksdb | badgerdb
# * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
#   - pure go
#   - stable
# * cleveldb (uses levigo wrapper)
#   - fast
#   - requires gcc
#   - use cleveldb build tag (go build -tags cleveldb)
# * boltdb (uses etcd's fork of bolt - github.com/etcd-io/bbolt)
#   - EXPERIMENTAL
#   - may be faster is some use-cases (random reads - indexer)
#   - use boltdb build tag (go build -tags boltdb)
# * rocksdb (uses github.com/tecbot/gorocksdb)
#   - EXPERIMENTAL
#   - requires gcc
#   - use rocksdb build tag (go build -tags rocksdb)
# * badgerdb (uses github.com/dgraph-io/badger)
#   - EXPERIMENTAL
#   - use badgerdb build tag (go build -tags badgerdb)
db_backend = "goleveldb"

# Database directory
db_dir = "data"

# Output level for logging, including package level options
log_level = "info"

# Output format: 'plain' (colored text) or 'json'
log_format = "plain"

##### additional base config options #####

# Path to the JSON file containing the initial validator set and other meta data
genesis_file = "config/genesis.json"

# Path to the JSON file containing the private key to use as a validator in the consensus protocol
priv_validator_key_file = "config/priv_validator_key.json"

# Path to the JSON file containing the last sign state of a validator
priv_validator_state_file = "data/priv_validator_state.json"

# TCP or UNIX socket address for Tendermint to listen on for
# connections from an external PrivValidator process
priv_validator_laddr = ""

# Path to the JSON file containing the private key to use for node authentication in the p2p protocol
node_key_file = "config/node_key.json"

# Mechanism to connect to the ABCI application: socket | grpc
abci = "socket"

# If true, query the ABCI app on connecting to a new peer
# so the app can decide if we should keep the connection or not
filter_peers = false


#######################################################################
###                 Advanced Configuration Options                  ###
#######################################################################

#######################################################
###       RPC Server Configuration Options          ###
#######################################################
[rpc]

# TCP or UNIX socket address for the RPC server to listen on
laddr = "tcp://0.0.0.0:26657"

# A list of origins a cross-domain request can be executed from
# Default value '[]' disables cors support
# Use '["*"]' to allow any origin
cors_allowed_origins = []

# A list of methods the client is allowed to use with cross-domain requests
cors_allowed_methods = ["HEAD", "GET", "POST", ]

# A list of non simple headers the client is allowed to use with cross-domain requests
cors_allowed_headers = ["Origin", "Accept", "Content-Type", "X-Requested-With", "X-Server-Time", ]

# TCP or UNIX socket address for the gRPC server to listen on
# NOTE: This server only supports /broadcast_tx_commit
grpc_laddr = ""

# Maximum number of simultaneous connections.
# Does not include RPC (HTTP&WebSocket) connections. See max_open_connections
# If you want to accept a larger number than the default, make sure
# you increase your OS limits.
# 0 - unlimited.
# Should be < {ulimit -Sn} - {MaxNumInboundPeers} - {MaxNumOutboundPeers} - {N of wal, db and other open files}
# 1024 - 40 - 10 - 50 = 924 = ~900
grpc_max_open_connections = 900

# Activate unsafe RPC commands like /dial_seeds and /unsafe_flush_mempool
unsafe = false

# Maximum number of simultaneous connections (including WebSocket).
# Does not include gRPC connections. See grpc_max_open_connections
# If you want to accept a larger number than the default, make sure
# you increase your OS limits.
# 0 - unlimited.
# Should be < {ulimit -Sn} - {MaxNumInboundPeers} - {MaxNumOutboundPeers} - {N of wal, db and other open files}
# 1024 - 40 - 10 - 50 = 924 = ~900
max_open_connections = 900

# Maximum number of unique clientIDs that can /subscribe
# If you're using /broadcast_tx_commit, set to the estimated maximum number
# of broadcast_tx_commit calls per block.
max_subscription_clients = 100

# Maximum number of unique queries a given client can /subscribe to
# If you're using GRPC (or Local RPC client) and /broadcast_tx_commit, set to
# the estimated # maximum number of broadcast_tx_commit calls per block.
max_subscriptions_per_client = 5

# How long to wait for a tx to be committed during /broadcast_tx_commit.
# WARNING: Using a value larger than 10s will result in increasing the
# global HTTP write timeout, which applies to all connections and endpoints.
# See https://github.com/tendermint/tendermint/issues/3435
timeout_broadcast_tx_commit = "10s"

# Maximum size of request body, in bytes
max_body_bytes = 1000000

# Maximum size of request header, in bytes
max_header_bytes = 1048576

# The path to a file containing certificate that is used to create the HTTPS server.
# Might be either absolute path or path related to Tendermint's config directory.
# If the certificate is signed by a certificate authority,
# the certFile should be the concatenation of the server's certificate, any intermediates,
# and the CA's certificate.
# NOTE: both tls_cert_file and tls_key_file must be present for Tendermint to create HTTPS server.
# Otherwise, HTTP server is run.
tls_cert_file = ""

# The path to a file containing matching private key that is used to create the HTTPS server.
# Might be either absolute path or path related to Tendermint's config directory.
# NOTE: both tls-cert-file and tls-key-file must be present for Tendermint to create HTTPS server.
# Otherwise, HTTP server is run.
tls_key_file = ""

# pprof listen address (https://golang.org/pkg/net/http/pprof)
pprof_laddr = "localhost:6060"

#######################################################
###           P2P Configuration Options             ###
#######################################################
[p2p]

# Address to listen for incoming connections
laddr = "tcp://0.0.0.0:26656"

# Address to advertise to peers for them to dial
# If empty, will use the same port as the laddr,
# and will introspect on the listener or use UPnP
# to figure out the address.
external_address = ""

# Comma separated list of seed nodes to connect to
seeds = ""

# Comma separated list of nodes to keep persistent connections to
persistent_peers = "a370cf1b0b935eaec81921d5cf5e7101c9a36b91@34.87.127.167:26656,21d76f35eca69dbc9f956b6f753cbe150b057b9f@35.199.51.105:26656,b1fd0195122e493c9f8087b5070b7a1aca2b83bc@35.240.206.85:26656,23003f861d23fdc3b7203842f629792083d68721@34.64.113.1:26656,abe92d2525cd32bdc071045bea899b662e444c2d@34.79.225.196:26656,51bf6ec21a77008793743759834d2f413ec34aeb@34.139.33.210:26656,002a452b3d083e82908dd31ba8a5c3539cf33467@13.212.102.24:26656,375081e5e29f96d1832c10c83761d5fb99895500@44.192.24.195:26656"

# UPNP port forwarding
upnp = false

# Path to address book
addr_book_file = "config/addrbook.json"

# Set true for strict address routability rules
# Set false for private or local networks
addr_book_strict = true

# Maximum number of inbound peers
max_num_inbound_peers = 40

# Maximum number of outbound peers to connect to, excluding persistent peers
max_num_outbound_peers = 10

# List of node IDs, to which a connection will be (re)established ignoring any existing limits
unconditional_peer_ids = ""

# Maximum pause when redialing a persistent peer (if zero, exponential backoff is used)
persistent_peers_max_dial_period = "0s"

# Time to wait before flushing messages out on the connection
flush_throttle_timeout = "100ms"

# Maximum size of a message packet payload, in bytes
max_packet_msg_payload_size = 1024

# Rate at which packets can be sent, in bytes/second
send_rate = 5120000

# Rate at which packets can be received, in bytes/second
recv_rate = 5120000

# Set true to enable the peer-exchange reactor
pex = true

# Seed mode, in which node constantly crawls the network and looks for
# peers. If another node asks it for addresses, it responds and disconnects.
#
# Does not work if the peer-exchange reactor is disabled.
seed_mode = false

# Comma separated list of peer IDs to keep private (will not be gossiped to other peers)
private_peer_ids = ""

# Toggle to disable guard against peers connecting from the same ip.
allow_duplicate_ip = false

# Peer connection configuration.
handshake_timeout = "20s"
dial_timeout = "3s"

#######################################################
###          Mempool Configuration Option          ###
#######################################################
[mempool]

recheck = true
broadcast = true
wal_dir = ""

# Maximum number of transactions in the mempool
size = 5000

# Limit the total size of all txs in the mempool.
# This only accounts for raw transactions (e.g. given 1MB transactions and
# max_txs_bytes=5MB, mempool will only accept 5 transactions).
max_txs_bytes = 1073741824

# Size of the cache (used to filter transactions we saw earlier) in transactions
cache_size = 10000

# Do not remove invalid transactions from the cache (default: false)
# Set to true if it's not possible for any invalid transaction to become valid
# again in the future.
keep-invalid-txs-in-cache = false

# Maximum size of a single transaction.
# NOTE: the max size of a tx transmitted over the network is {max_tx_bytes}.
max_tx_bytes = 1048576

# Maximum size of a batch of transactions to send to a peer
# Including space needed by encoding (one varint per transaction).
# XXX: Unused due to https://github.com/tendermint/tendermint/issues/5796
max_batch_bytes = 0

#######################################################
###         State Sync Configuration Options        ###
#######################################################
[statesync]
# State sync rapidly bootstraps a new node by discovering, fetching, and restoring a state machine
# snapshot from peers instead of fetching and replaying historical blocks. Requires some peers in
# the network to take and serve state machine snapshots. State sync is not attempted if the node
# has any local state (LastBlockHeight > 0). The node will have a truncated block history,
# starting from the height of the snapshot.
enable = false

# RPC servers (comma-separated) for light client verification of the synced state machine and
# retrieval of state data for node bootstrapping. Also needs a trusted height and corresponding
# header hash obtained from a trusted source, and a period during which validators can be trusted.
#
# For Cosmos SDK-based chains, trust_period should usually be about 2/3 of the unbonding time (~2
# weeks) during which they can be financially punished (slashed) for misbehavior.
rpc_servers = ""
trust_height = 0
trust_hash = ""
trust_period = "168h0m0s"

# Time to spend discovering snapshots before initiating a restore.
discovery_time = "15s"

# Temporary directory for state sync snapshot chunks, defaults to the OS tempdir (typically /tmp).
# Will create a new, randomly named directory within, and remove it when done.
temp_dir = ""

#######################################################
###       Fast Sync Configuration Connections       ###
#######################################################
[fastsync]

# Fast Sync version to use:
#   1) "v0" (default) - the legacy fast sync implementation
#   2) "v1" - refactor of v0 version for better testability
#   2) "v2" - complete redesign of v0, optimized for testability & readability
version = "v0"

#######################################################
###         Consensus Configuration Options         ###
#######################################################
[consensus]

wal_file = "data/cs.wal/wal"

# How long we wait for a proposal block before prevoting nil
timeout_propose = "3s"
# How much timeout_propose increases with each round
timeout_propose_delta = "500ms"
# How long we wait after receiving +2/3 prevotes for “anything” (ie. not a single block or nil)
timeout_prevote = "1s"
# How much the timeout_prevote increases with each round
timeout_prevote_delta = "500ms"
# How long we wait after receiving +2/3 precommits for “anything” (ie. not a single block or nil)
timeout_precommit = "1s"
# How much the timeout_precommit increases with each round
timeout_precommit_delta = "500ms"
# How long we wait after committing a block, before starting on the new
# height (this gives us a chance to receive some more precommits, even
# though we already have +2/3).
timeout_commit = "1.5s"

# How many blocks to look back to check existence of the node's consensus votes before joining consensus
# When non-zero, the node will panic upon restart
# if the same consensus key was used to sign {double_sign_check_height} last blocks.
# So, validators should stop the state machine, wait for some blocks, and then restart the state machine to avoid panic.
double_sign_check_height = 0

# Make progress as soon as we have all the precommits (as if TimeoutCommit = 0)
skip_timeout_commit = false

# EmptyBlocks mode and possible interval between empty blocks
create_empty_blocks = true
create_empty_blocks_interval = "0s"

# Reactor sleep duration parameters
peer_gossip_sleep_duration = "100ms"
peer_query_maj23_sleep_duration = "2s"

#######################################################
###   Transaction Indexer Configuration Options     ###
#######################################################
[tx_index]

# What indexer to use for transactions
#
# The application will set which txs to index. In some cases a node operator will be able
# to decide which txs to index based on configuration set in the application.
#
# Options:
#   1) "null"
#   2) "kv" (default) - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
# 		- When "kv" is chosen "tx.height" and "tx.hash" will always be indexed.
indexer = "kv"

#######################################################
###       Instrumentation Configuration Options     ###
#######################################################
[instrumentation]

# When true, Prometheus metrics are served under /metrics on
# PrometheusListenAddr.
# Check out the documentation for the list of available metrics.
prometheus = false

# Address to listen for Prometheus collector(s) connections
prometheus_listen_addr = ":26660"

# Maximum number of simultaneous connections.
# If you want to accept a larger number than the default, make sure
# you increase your OS limits.
# 0 - unlimited.
max_open_connections = 3

# Instrumentation namespace
namespace = "tendermint"
EOF1
EOF

# health check
# cp health.py $WORKDIR
cat << EOF > /home/bandd/health.py
#!/bin/python3

import http.client
import http.server
import socketserver
from http import HTTPStatus
from urllib.parse import urlparse, parse_qs

import time
import os
import json

sync_util = int(os.getenv("SYNC_UNTIL", "0"))
PORT = int(os.getenv("PORT", "5000"))


def get_syncing_status():
    conn = http.client.HTTPConnection("localhost", 1317)
    conn.request("GET", "/syncing")
    resp = conn.getresponse()

    if resp.status != 200:
        raise Exception("Can't get syncing status")

    obj = json.loads(resp.read())
    return obj["syncing"]


class Handler(http.server.SimpleHTTPRequestHandler):
    def do_GET(self):
        try:
            syncing = get_syncing_status()
            if syncing:
                catchup = "allow_catchup" in parse_qs(urlparse(self.path).query).keys()
                if time.time() < sync_util and catchup:
                    self.send_response(HTTPStatus.OK)
                else:
                    self.send_response(521)
            else:
                self.send_response(HTTPStatus.OK)
        except Exception as e:
            self.send_response(521)
            print(e)
        self.end_headers()


httpd = socketserver.TCPServer(("", PORT), Handler)
httpd.serve_forever()
EOF
chmod a+x /home/bandd/health.py

# sync for 6 hours
echo "SYNC_UNTIL=$(date -d '+6 hours' +%s)" > $WORKDIR/.health.env

# setup systemd for systemd and rest
cat << EOF > /etc/systemd/system/bandd.service
[Unit]
Description=BandChain Node Daemon
After=network-online.target

[Service]
User=bandd
ExecStart=/home/bandd/go/bin/bandd start  --with-pricer=3,4 --with-request-search=sqlite3:/home/bandd/.band/request.db?_foreign_keys=on
Restart=always
RestartSec=3
LimitNOFILE=4096

[Install]
WantedBy=multi-user.target
EOF

cat << EOF > /etc/systemd/system/bandhealthcheck.service
[Unit]
Description=BandChain Node Healthcheck
After=network-online.target bandd.service

[Service]
User=bandd
EnvironmentFile=/home/bandd/.health.env
ExecStart=/home/bandd/health.py
Restart=always
RestartSec=3
LimitNOFILE=4096

[Install]
WantedBy=multi-user.target
EOF

# start systemd
systemctl daemon-reload

systemctl enable bandd.service
systemctl enable bandhealthcheck.service

systemctl restart bandd.service
systemctl restart bandhealthcheck.service