一个基于tendermint的共识机制引擎实现的简单虚拟货币
Tendermint Core 是一个拜占庭容错�中间件, 它实现了一套共识机制引擎. 可以基于此项目使用任意的编程语言实现�基于此共识�机制的各种项目。如分布式系统, 虚拟货币等. 下面是一些基于此引擎开源的一些明星项目. 我们使用此共识机制�更大的目的是在于学习。 感谢tendermint这个伟大的开源项目. 让开发区块链工程更easy, 也能从此开源项目中学习到很多有用的知识.
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创建配置和数据存储路径
mkdir /opt/conch/config mkdir /opt/conch/data -
将genesis.json, config.toml文件放入/opt/conch/config
genesis.json
{ "genesis_time": "2018-08-31T09:19:29.144335522Z", "chain_id": "conch-testnet-wupeaking", "consensus_params": { "block_size_params": { "max_bytes": "22020096", "max_txs": "10000", "max_gas": "-1" }, "tx_size_params": { "max_bytes": "10240", "max_gas": "-1" }, "block_gossip_params": { "block_part_size_bytes": "65536" }, "evidence_params": { "max_age": "100000" } }, "validators": [ { "pub_key": { "type": "tendermint/PubKeySecp256k1", "value": "A7C1pYP/mrQ6Jnp3oQMpAVKpUOnAQjKpLA95e7MbV/eR" }, "power": "10", "name": "zhangsan" } ], "app_hash": "" }config.tmol
# TCP or UNIX socket address of the ABCI application, # or the name of an ABCI application compiled in with the Tendermint binary proxy_app = "conchapp" # A custom human readable name for this node moniker = "conchapp-pc" # 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 db_backend = "leveldb" # Database directory db_path = "data" # Output level for logging, including package level options log_level = "main:info,state:info,*:error" ##### 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" # 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" # 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. 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. 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 seeds = "" persistent_peers = "[email protected]:26656" # UPNP port forwarding upnp = false # Path to address book addr_book_file = "config/addrbook.json" # Set true for strict address routability rules addr_book_strict = true # Time to wait before flushing messages out on the connection, in ms flush_throttle_timeout = 100 # Maximum number of peers to connect to max_num_peers = 50 # 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 = "" ##### mempool configuration options ##### [mempool] recheck = true recheck_empty = true broadcast = true wal_dir = "data/mempool.wal" # size of the mempool size = 100000 # size of the cache (used to filter transactions we saw earlier) cache_size = 100000 ##### consensus configuration options ##### [consensus] wal_file = "data/cs.wal/wal" # All timeouts are in milliseconds timeout_propose = 3000 timeout_propose_delta = 500 timeout_prevote = 1000 timeout_prevote_delta = 500 timeout_precommit = 1000 timeout_precommit_delta = 500 timeout_commit = 1000 # 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 in seconds create_empty_blocks = true create_empty_blocks_interval = 20 # Reactor sleep duration parameters are in milliseconds peer_gossip_sleep_duration = 100 peer_query_maj23_sleep_duration = 2000 ##### 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) # # 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. 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 -
启动docker镜像
docker run --name=conch-node --net=host -v /opt/conch:/opt/conch/data -d blockchainworkers/conch
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编译二进制文件
> mkdir -p /opt/conch/src/github.com/blockchainworkers > mkdir -p /opt/conch/data/config && mkdir -p /opt/conch/data/data > export BUILD_FLAGS=-ldflags "-X github.com/blockchainworkers/conch/version.GitCommit=`git rev-parse --short=8 HEAD`" > export GOPATH=/opt/conch > cd /opt/conch/src/github.com/blockchainworkers && git clone https://github.com/blockchainworkers/conch.git conch > cd conch > go build $(BUILD_FLAGS) -o conchd ./cmd/conch/main.go
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将genesis.json, config.toml文件放入/opt/conch/data/config
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启动节点
./conchd node --home /opt/conch/data
未完待续...