windows下搭建cpp-ethereum私有链
1.在编译出来的aleth.exe目录下创建一个创世块文件genesis.json：
{
"sealEngine": "Ethash",
"params": {
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
"homesteadForkBlock": "0x00",
"EIP150ForkBlock": "0x00",
"EIP158ForkBlock": "0x00",
"byzantiumForkBlock": "0x00",
"constantinopleForkBlock": "0x00",
"minGasLimit": "0x1388",
"maxGasLimit": "7fffffffffffffff",
"tieBreakingGas": false,
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"networkID" : "0x454",
"chainID": "0x01",
"allowFutureBlocks" : true
},
"genesis": {
"nonce": "0x0000000000000042",
"difficulty": "0x400000000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
"gasLimit": "0x1388"
},
"accounts": {
"0000000000000000000000000000000000000001": { "precompiled": { "name": "ecrecover", "linear": { "base": 3000, "word": 0 } } },
"0000000000000000000000000000000000000002": { "precompiled": { "name": "sha256", "linear": { "base": 60, "word": 12 } } },
"0000000000000000000000000000000000000003": { "precompiled": { "name": "ripemd160", "linear": { "base": 600, "word": 120 } } },
"0000000000000000000000000000000000000004": { "precompiled": { "name": "identity", "linear": { "base": 15, "word": 3 } } },
"0000000000000000000000000000000000000005": { "precompiled": { "name": "modexp" } },
"0000000000000000000000000000000000000006": { "precompiled": { "name": "alt_bn128_G1_add", "linear": { "base": 500, "word": 0 } } },
"0000000000000000000000000000000000000007": { "precompiled": { "name": "alt_bn128_G1_mul", "linear": { "base": 40000, "word": 0 } } },
"0000000000000000000000000000000000000008": { "precompiled": { "name": "alt_bn128_pairing_product" } }
}
} 2.打开cmd，进入aleth.exe目录，输入命令行开始挖矿：
aleth --config genesis.json -m on -v 5 --network-id 1108 --ipc --listen 30307 --port 30307 --db-path blockchain --private "mynet"
3.打开ethconsole进行连接，得到一个web3对象，然后就可以通过web3这个对象来操作了，关于web3的api可以参考http://web3js.readthedocs.io/en/1.0/index.html
NAME:
aleth 1.5.0.dev0+commit.fbf30b71.dirty
USAGE:
aleth [options]
WALLET USAGE:
account list List all keys available in wallet
account new Create a new key and add it to wallet
account update [| , ... ] Decrypt and re-encrypt keys
account import [||] Import keys from given source and place in wallet
wallet import Import a presale wallet
CLIENT MODE (default):
--mainnet Use the main network protocol
--ropsten Use the Ropsten testnet
--private Use a private chain
--test Testing mode; disable PoW and provide test rpc interface
--config Configure specialised blockchain using given JSON information
-o [ --mode ] Start a full node or a peer node (default: full)
--ipc Enable IPC server (default: on)
--ipcpath Set .ipc socket path (default: data directory)
--no-ipc Disable IPC server
--admin Specify admin session key for JSON-RPC (default: auto-generated and printed at start-up)
-K [ --kill ] Kill the blockchain first
-R [ --rebuild ] Rebuild the blockchain from the existing database
--rescue Attempt to rescue a corrupt database
--import-presale Import a pre-sale key; you'll need to specify the password to this key
-s [ --import-secret ] Import a secret key into the key store
-S [ --import-session-secret ] Import a secret session into the key store
--master Give the master password for the key store; use --master "" to show a prompt
--password Give a password for a private key
CLIENT TRANSACTING:
--ask Set the minimum ask gas price under which no transaction will be mined (default: 20000000000)
--bid Set the bid gas price to pay for transactions (default: 20000000000)
--unsafe-transactions Allow all transactions to proceed without verification; EXTREMELY UNSAFE
CLIENT MINING:
-a [ --address ] Set the author (mining payout) address (default: auto)
-m [ --mining ] Enable mining; optionally for a specified number of blocks (default: off)
--extra-data arg Set extra data for the sealed blocks
CLIENT NETWORKING:
-b [ --bootstrap ] Connect to the default Ethereum peer servers (default unless --no-discovery used)
--no-bootstrap Do not connect to the default Ethereum peer servers (default only when --no-discovery is used)
-x [ --peers ] Attempt to connect to a given number of peers (default: 11)
--peer-stretch Give the accepted connection multiplier (default: 7)
--public-ip Force advertised public IP to the given IP (default: auto)
--listen-ip (:) Listen on the given IP for incoming connections (default: 0.0.0.0)
--listen Listen on the given port for incoming connections (default: 30303)
-r [ --remote ] (:) Connect to the given remote host (default: none)
--port Connect to the given remote port (default: 30303)
--network-id Only connect to other hosts with this network id
--peerset Space delimited list of peers; element format: type:publickey@ipAddress[:port]
Types:
default Attempt connection when no other peers are available and pinning is disabled
required Keep connected at all times
--no-discovery Disable node discovery; implies --no-bootstrap
--pin Only accept or connect to trusted peers
BENCHMARKING MODE:
-M,--benchmark Benchmark for mining and exit
--benchmark-warmup Set the duration of warmup for the benchmark tests (default: 3)
--benchmark-trial Set the duration for each trial for the benchmark tests (default: 3)
--benchmark-trials Set the number of trials for the benchmark tests (default: 5)
MINING CONFIGURATION:
-C,--cpu When mining, use the CPU
-t, --mining-threads Limit number of CPU/GPU miners to n (default: use everything available on selected platform)
--current-block Let the miner know the current block number at configuration time. Will help determine DAG size and required GPU memory
--disable-submit-hashrate When mining, don't submit hashrate to node
IMPORT/EXPORT MODES:
-I [ --import ] Import blocks from file
-E [ --export ] Export blocks to file
--from Export only from block n; n may be a decimal, a '0x' prefixed hash, or 'latest'
--to Export only to block n (inclusive); n may be a decimal, a '0x' prefixed hash, or 'latest'
--only Equivalent to --export-from n --export-to n
--format Set export format
--dont-check Prevent checking some block aspects. Faster importing, but to apply only when the data is known to be valid
--download-snapshot Download Parity Warp Sync snapshot data to the specified path
--import-snapshot Import blockchain and state data from the Parity Warp Sync snapshot
VM OPTIONS:
--vm | (=legacy) Select VM implementation. Available options are: interpreter, legacy.
--evmc