Add config samples from TM v26, v27, v28, v29. (#8384) (#8387)

scripts/confix/testdata/README.md

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+# Test data for `confix` and `condiff`
+
+The files in this directory are stock Tendermint configuration files generated
+by the last point release of each version series from v0.26 to present, along
+with diffs between consecutive versions.
+
+## Config Samples
+
+The files named `vXX-config.toml` were generated by checking out and building
+the corresponding version of Tendermint v0.xx.y and initializing a new node in
+an empty home directory. The resulting `config.toml` file was copied here.
+The exact build instructions vary a bit, but a general repro looks like:
+
+```shell
+# This example uses v0.31, substitute the version of your choice.
+# Note that the branch names and tags may differ.
+# Versions prior to v0.26 may not build.
+git checkout v0.31.9
+git clean -fdx
+
+# Versions prior to v0.32 do not have Go module files.
+# Those that do may need some dependencies manually updated.
+go mod init github.com/tendermint/tendermint
+go mod tidy
+go get golang.org/x/sys
+
+# Once you sort out the dependencies, this should usually work.
+make build
+
+# Confirm you go the version you expected, and generate the file.
+./build/tendermint --home=tmhome version
+./build/tendermint --home=tmhome init
+
+# Copy the file out.
+cp ./tmhome/config/config.toml v31-config.toml
+```
+
+## Version Diffs
+
+The files named `diff-XX-YY.txt` were generated by using the `condiff` tool on
+the config samples for versions v0.XX and v0.YY:
+
+```shell
+go run ./scripts/confix/condiff -desnake vXX-config vYY-config.toml > diff-XX-YY.txt
+```
+
+The `baseline.txt` was computed in the same way, but using an empty starting
+file so that we capture all the settings in the target:
+
+```shell
+go run ./scripts/confix/condiff -desnake /dev/null v26-config.toml > baseline.txt
+```

scripts/confix/testdata/baseline.txt

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++M abci
++M db-backend
++M db-dir
++M fast-sync
++M filter-peers
++M genesis-file
++M log-format
++M log-level
++M moniker
++M node-key-file
++M priv-validator-file
++M priv-validator-laddr
++M prof-laddr
++M proxy-app
++S consensus
++M consensus.wal-file
++M consensus.timeout-propose
++M consensus.timeout-propose-delta
++M consensus.timeout-prevote
++M consensus.timeout-prevote-delta
++M consensus.timeout-precommit
++M consensus.timeout-precommit-delta
++M consensus.timeout-commit
++M consensus.skip-timeout-commit
++M consensus.create-empty-blocks
++M consensus.create-empty-blocks-interval
++M consensus.peer-gossip-sleep-duration
++M consensus.peer-query-maj23-sleep-duration
++M consensus.blocktime-iota
++S instrumentation
++M instrumentation.prometheus
++M instrumentation.prometheus-listen-addr
++M instrumentation.max-open-connections
++M instrumentation.namespace
++S mempool
++M mempool.recheck
++M mempool.broadcast
++M mempool.wal-dir
++M mempool.size
++M mempool.cache-size
++S p2p
++M p2p.laddr
++M p2p.external-address
++M p2p.seeds
++M p2p.persistent-peers
++M p2p.upnp
++M p2p.addr-book-file
++M p2p.addr-book-strict
++M p2p.max-num-inbound-peers
++M p2p.max-num-outbound-peers
++M p2p.flush-throttle-timeout
++M p2p.max-packet-msg-payload-size
++M p2p.send-rate
++M p2p.recv-rate
++M p2p.pex
++M p2p.seed-mode
++M p2p.private-peer-ids
++M p2p.allow-duplicate-ip
++M p2p.handshake-timeout
++M p2p.dial-timeout
++S rpc
++M rpc.laddr
++M rpc.cors-allowed-origins
++M rpc.cors-allowed-methods
++M rpc.cors-allowed-headers
++M rpc.grpc-laddr
++M rpc.grpc-max-open-connections
++M rpc.unsafe
++M rpc.max-open-connections
++S tx-index
++M tx-index.indexer
++M tx-index.index-tags
++M tx-index.index-all-tags

scripts/confix/testdata/diff-27-28.txt

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+-M priv-validator-file
++M priv-validator-key-file
++M priv-validator-state-file

scripts/confix/testdata/v26-config.toml

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+# This is a TOML config file.
+# For more information, see https://github.com/toml-lang/toml
+
+##### 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 = "localhost"
+
+# 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: leveldb | memdb | cleveldb
+db_backend = "leveldb"
+
+# Database directory
+db_dir = "data"
+
+# Output level for logging, including package level options
+log_level = "main:info,state:info,*:error"
+
+# 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_file = "config/priv_validator.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"
+
+# TCP or UNIX socket address for the profiling server to listen on
+prof_laddr = ""
+
+# 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 more significant 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 more significant 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
+
+##### peer to peer 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 = ""
+
+# 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
+
+# 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 = true
+
+# Peer connection configuration.
+handshake_timeout = "20s"
+dial_timeout = "3s"
+
+##### mempool configuration options #####
+[mempool]
+
+recheck = true
+broadcast = true
+wal_dir = ""
+
+# size of the mempool
+size = 5000
+
+# size of the cache (used to filter transactions we saw earlier)
+cache_size = 10000
+
+##### consensus configuration options #####
+[consensus]
+
+wal_file = "data/cs.wal/wal"
+
+timeout_propose = "3s"
+timeout_propose_delta = "500ms"
+timeout_prevote = "1s"
+timeout_prevote_delta = "500ms"
+timeout_precommit = "1s"
+timeout_precommit_delta = "500ms"
+timeout_commit = "1s"
+
+# 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"
+
+# Block time parameters. Corresponds to the minimum time increment between consecutive blocks.
+blocktime_iota = "1s"
+
+##### transactions indexer configuration options #####
+[tx_index]
+
+# What indexer to use for transactions
+#
+# Options:
+#   1) "null" (default)
+#   2) "kv" - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
+indexer = "kv"
+
+# Comma-separated list of tags to index (by default the only tag is "tx.hash")
+#
+# You can also index transactions by height by adding "tx.height" tag here.
+#
+# It's recommended to index only a subset of tags due to possible memory
+# bloat. This is, of course, depends on the indexer's DB and the volume of
+# transactions.
+index_tags = ""
+
+# When set to true, tells indexer to index all tags (predefined tags:
+# "tx.hash", "tx.height" and all tags from DeliverTx responses).
+#
+# Note this may be not desirable (see the comment above). IndexTags has a
+# precedence over IndexAllTags (i.e. when given both, IndexTags will be
+# indexed).
+index_all_tags = false
+
+##### 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 more significant number than the default, make sure
+# you increase your OS limits.
+# 0 - unlimited.
+max_open_connections = 3
+
+# Instrumentation namespace
+namespace = "tendermint"