区块链不同机器的节点相互连接

来源：互联网发布：数据库大数据应用编辑：程序博客网时间：2024/05/21 10:54

1节点所在的机器，相互之间可以互联互通
2它们有相同的创世纪文件
3 有相同的networkid

一第一个节点创建

root@i-67u87x1c:/home/ubuntu# mkdir private-gethroot@i-67u87x1c:/home/ubuntu# cd private-geth/root@i-67u87x1c:/home/ubuntu/private-geth# vim genesis.json{   "config": {        "chainId": 15,        "homesteadBlock": 0,        "eip155Block": 0,        "eip158Block": 0    },    "coinbase" : "0x0000000000000000000000000000000000000000",    "difficulty" : "0x40000",    "extraData" : "",    "gasLimit" : "0xffffffff",    "nonce" : "0x0000000000000042",    "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",    "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",    "timestamp" : "0x00",    "alloc": { }}初始化创始块root@i-67u87x1c:/home/ubuntu/private-geth# geth --datadir ./data/00 init genesis.jsonWARN [07-06|14:38:34] No etherbase set and no accounts found as default INFO [07-06|14:38:34] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/00/geth/chaindata cache=16 handles=16INFO [07-06|14:38:34] Writing custom genesis block INFO [07-06|14:38:34] Successfully wrote genesis state         database=chaindata                                        hash=a0e580鈥5e82eINFO [07-06|14:38:34] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/00/geth/lightchaindata cache=16 handles=16INFO [07-06|14:38:34] Writing custom genesis block INFO [07-06|14:38:34] Successfully wrote genesis state         database=lightchaindata

进入geth后面连接节点

root@i-67u87x1c:/home/ubuntu/private-geth# geth --datadir ./data/00 --networkid 314590 --ipcdisable --port 632 --rpcport 8156 --bootnodes "enode://96f7a95a8c5e7a1f911142d87ce53ae882568be0435016e4803a6d410a9ecc7a69322cee8efbe8499ec7c737c377793182cab8869a076389c6b47626df00450b@192.168.0.4:61910" consoleWARN [07-06|14:43:54] No etherbase set and no accounts found as default INFO [07-06|14:43:54] Starting peer-to-peer node               instance=Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1INFO [07-06|14:43:54] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/00/geth/chaindata cache=128 handles=1024INFO [07-06|14:43:54] Initialised chain configuration          config="{ChainID: 15 Homestead: 0 DAO: <nil> DAOSupport: false EIP150: <nil> EIP155: 0 EIP158: 0 Metropolis: <nil> Engine: unknown}"INFO [07-06|14:43:54] Disk storage enabled for ethash caches   dir=/home/ubuntu/private-geth/data/00/geth/ethash count=3INFO [07-06|14:43:54] Disk storage enabled for ethash DAGs     dir=/root/.ethash                                 count=2INFO [07-06|14:43:54] Initialising Ethereum protocol           versions="[63 62]" network=314590INFO [07-06|14:43:54] Loaded most recent local header          number=0 hash=a0e580鈥5e82e td=262144INFO [07-06|14:43:54] Loaded most recent local full block      number=0 hash=a0e580鈥5e82e td=262144INFO [07-06|14:43:54] Loaded most recent local fast block      number=0 hash=a0e580鈥5e82e td=262144INFO [07-06|14:43:54] Starting P2P networking INFO [07-06|14:43:57] UDP listener up                          self=enode://ca2dd7e49417097f68292c19e4af9a8311223ce9153559f68d0cb618fb961fcf615ded9c90b635c26d0cdff8aa5ee58e2bbf83949df31e841bab03f451f636ec@[::]:632INFO [07-06|14:43:57] RLPx listener up                         self=enode://ca2dd7e49417097f68292c19e4af9a8311223ce9153559f68d0cb618fb961fcf615ded9c90b635c26d0cdff8aa5ee58e2bbf83949df31e841bab03f451f636ec@[::]:632Welcome to the Geth JavaScript console!instance: Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1 modules: admin:1.0 debug:1.0 eth:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 txpool:1.0 web3:1.0> eth.blockNumber0>  admin.nodeInfo{  enode: "enode://ca2dd7e49417097f68292c19e4af9a8311223ce9153559f68d0cb618fb961fcf615ded9c90b635c26d0cdff8aa5ee58e2bbf83949df31e841bab03f451f636ec@[::]:632",  id: "ca2dd7e49417097f68292c19e4af9a8311223ce9153559f68d0cb618fb961fcf615ded9c90b635c26d0cdff8aa5ee58e2bbf83949df31e841bab03f451f636ec",  ip: "::",  listenAddr: "[::]:632",  name: "Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1",  ports: {    discovery: 632,    listener: 632  },  protocols: {    eth: {      difficulty: 262144,      genesis: "0xa0e580c6769ac3dd80894b2a256164a76b796839d2eb7f799ef6b9850ea5e82e",      head: "0xa0e580c6769ac3dd80894b2a256164a76b796839d2eb7f799ef6b9850ea5e82e",      network: 314590    }  }}root@i-67u87x1c:/home/ubuntu# ip addr1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00    inet 127.0.0.1/8 scope host lo       valid_lft forever preferred_lft forever    inet6 ::1/128 scope host        valid_lft forever preferred_lft forever2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000    link/ether 52:54:37:78:15:bb brd ff:ff:ff:ff:ff:ff    inet 192.168.0.3/24 brd 192.168.0.255 scope global eth0       valid_lft forever preferred_lft forever    inet6 fe80::5054:37ff:fe78:15bb/64 scope link        valid_lft forever preferred_lft forever

二另外一台电脑

创建相同的创始块root@i-kectp1zd:/home/ubuntu/private-geth# root@i-kectp1zd:/home/ubuntu/private-geth# geth --datadir ./data/00 init genesis.jsonWARN [07-06|15:26:39] No etherbase set and no accounts found as default INFO [07-06|15:26:39] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/00/geth/chaindata cache=16 handles=16INFO [07-06|15:26:39] Writing custom genesis block INFO [07-06|15:26:39] Successfully wrote genesis state         database=chaindata                                        hash=a0e580鈥5e82eINFO [07-06|15:26:39] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/00/geth/lightchaindata cache=16 handles=16INFO [07-06|15:26:39] Writing custom genesis block INFO [07-06|15:26:39] Successfully wrote genesis state         database=lightchaindata                                        hash=a0e580鈥5e82e

进入geth

root@i-kectp1zd:/home/ubuntu/private-geth# geth --datadir ./data --networkid 314590 --ipcdisable --port 3456 --rpcport 78 --bootnodes "enode://ca2dd7e49417097f68292c19e4af9a8311223ce9153559f68d0cb618fb961fcf615ded9c90b635c26d0cdff8aa5ee58e2bbf83949df31e841bab03f451f636ec@192.168.0.3:632" consoleWARN [07-06|15:30:31] No etherbase set and no accounts found as default INFO [07-06|15:30:31] Starting peer-to-peer node               instance=Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1INFO [07-06|15:30:31] Allocated cache and file handles         database=/home/ubuntu/private-geth/data/geth/chaindata cache=128 handles=1024INFO [07-06|15:30:31] Writing default main-net genesis block INFO [07-06|15:30:31] Initialised chain configuration          config="{ChainID: 1 Homestead: 1150000 DAO: 1920000 DAOSupport: true EIP150: 2463000 EIP155: 2675000 EIP158: 2675000 Metropolis: 9223372036854775807 Engine: ethash}"INFO [07-06|15:30:31] Disk storage enabled for ethash caches   dir=/home/ubuntu/private-geth/data/geth/ethash count=3INFO [07-06|15:30:31] Disk storage enabled for ethash DAGs     dir=/root/.ethash                              count=2WARN [07-06|15:30:31] Upgrading db log bloom bins INFO [07-06|15:30:31] Bloom-bin upgrade completed              elapsed=123.418碌sINFO [07-06|15:30:31] Initialising Ethereum protocol           versions="[63 62]" network=314590INFO [07-06|15:30:31] Loaded most recent local header          number=0 hash=d4e567鈥b8fa3 td=17179869184INFO [07-06|15:30:31] Loaded most recent local full block      number=0 hash=d4e567鈥b8fa3 td=17179869184INFO [07-06|15:30:31] Loaded most recent local fast block      number=0 hash=d4e567鈥b8fa3 td=17179869184INFO [07-06|15:30:31] Starting P2P networking INFO [07-06|15:30:33] UDP listener up                          self=enode://a22e7a8f502521ac685df1f001c59a06549b5292a42728e08ac3ca3f15603c75a0680f47ced4a736eab047335a0d2331e91ccb483591a83ecae57181878a7e07@[::]:3456INFO [07-06|15:30:33] RLPx listener up                         self=enode://a22e7a8f502521ac685df1f001c59a06549b5292a42728e08ac3ca3f15603c75a0680f47ced4a736eab047335a0d2331e91ccb483591a83ecae57181878a7e07@[::]:3456Welcome to the Geth JavaScript console!instance: Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1 modules: admin:1.0 debug:1.0 eth:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 txpool:1.0 web3:1.0> > personal.newAccountfunction github.com/ethereum/go-ethereum/console.(*bridge).NewAccount-fm()> personal.newAccount()

镜像制作新的电脑

root@i-0mu8dg3p:/home/ubuntu# mkdir private-gethyiroot@i-0mu8dg3p:/home/ubuntu# cd private-gethyiroot@i-0mu8dg3p:/home/ubuntu/private-gethyi# vim genesis.json {    "config": {        "chainId": 15,        "homesteadBlock": 0,        "eip155Block": 0,        "eip158Block": 0    },    "coinbase" : "0x0000000000000000000000000000000000000000",    "difficulty" : "0x40000",    "extraData" : "",    "gasLimit" : "0xffffffff",    "nonce" : "0x0000000000000042",    "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",    "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",    "timestamp" : "0x00",    "alloc": { }}root@i-0mu8dg3p:/home/ubuntu/private-gethyi#  geth --datadir ./data/00 init genesis.jsonWARN [07-06|16:47:03] No etherbase set and no accounts found as default INFO [07-06|16:47:03] Allocated cache and file handles         database=/home/ubuntu/private-gethyi/data/00/geth/chaindata cache=16 handles=16INFO [07-06|16:47:03] Writing custom genesis block INFO [07-06|16:47:03] Successfully wrote genesis state         database=chaindata                                          hash=a0e580鈥5e82eINFO [07-06|16:47:03] Allocated cache and file handles         database=/home/ubuntu/private-gethyi/data/00/geth/lightchaindata cache=16 handles=16INFO [07-06|16:47:03] Writing custom genesis block INFO [07-06|16:47:03] Successfully wrote genesis state         database=lightchaindata   root@i-0mu8dg3p:/home/ubuntu/private-gethyi# geth --datadir ./data/00 --networkid 314590 --ipcdisable --port 123 --rpcport 456 --bootnodes "enode://96f7a95a8c5e7a1f911142d87ce53ae882568be0435016e4803a6d410a9ecc7a69322cee8efbe8499ec7c737c377793182cab8869a076389c6b47626df00450b@192.168.0.4:61910" console> miner.start()INFO [07-06|17:05:47] Updated mining threads                   threads=0INFO [07-06|17:05:47] Transaction pool price threshold updated price=18000000000null> INFO [07-06|17:05:47] Starting mining operation INFO [07-06|17:05:47] Commit new mining work                   number=1 txs=0 uncles=0 elapsed=180.94碌sINFO [07-06|17:21:25] Successfully sealed new block            number=1 hash=0b386b鈥dfce1INFO [07-06|17:21:25] 馃敤 mined potential block                  number=1 hash=0b386b鈥dfce1INFO [07-06|17:21:25] Commit new mining work                   number=2 txs=0 uncles=0 elapsed=3.832msINFO [07-06|17:24:43] Successfully sealed new block            number=2 hash=6ff261鈥2e306INFO [07-06|17:24:43] 馃敤 mined potential block                  number=2 hash=6ff261鈥2e306INFO [07-06|17:24:43] Commit new mining work                   number=3 txs=0 uncles=0 elapsed=683.976碌sINFO [07-06|17:27:11] Successfully sealed new block            number=3 hash=92983c鈥222abINFO [07-06|17:27:11] 馃敤 mined potential block                  number=3 hash=92983c鈥222abINFO [07-06|17:27:11] Commit new mining work                   number=4 txs=0 uncles=0 elapsed=704.935碌sINFO [07-06|17:34:06] Successfully sealed new block            number=4 hash=a0272f鈥88970INFO [07-06|17:34:06] 馃敤 mined potential block                  number=4 hash=a0272f鈥88970INFO [07-06|17:34:06] Commit new mining work                   number=5 txs=0 uncles=0 elapsed=618.806碌sINFO [07-06|17:45:42] Successfully sealed new block            number=5 hash=0880e3鈥9a7d3INFO [07-06|17:45:42] 馃敤 mined potential block                  number=5 hash=0880e3鈥9a7d3INFO [07-06|17:45:42] Commit new mining work                   number=6 txs=0 uncles=0 elapsed=504.843碌s> > > > miner.stop()true> > > eth.blockNumber5

admin.addPeer("enode://96f7a95a8c5e7a1f911142d87ce53ae882568be0435016e4803a6d410a9ecc7a69322cee8efbe8499ec7c737c377793182cab8869a076389c6b47626df00450b@192.168.0.4:61910")> admin.nodeInfo{  enode: "enode://c49ec7069c76c6414b2debc6e0f27d3774cc54133681a28c7283b9b822851f21aee710d91ef7ccf10861d9c8cb6fce8b8189ac71441d051353ce9c10bdaf7892@[::]:123",  id: "c49ec7069c76c6414b2debc6e0f27d3774cc54133681a28c7283b9b822851f21aee710d91ef7ccf10861d9c8cb6fce8b8189ac71441d051353ce9c10bdaf7892",  ip: "::",  listenAddr: "[::]:123",  name: "Geth/v1.6.6-stable-10a45cb5/linux-amd64/go1.8.1",  ports: {    discovery: 123,    listener: 123  },  protocols: {    eth: {      difficulty: 1451162,      genesis: "0xa0e580c6769ac3dd80894b2a256164a76b796839d2eb7f799ef6b9850ea5e82e",      head: "0x0880e3e3f21e5601661aeb01fc8589a46d6efe5ef31adebb5f7f9679d7e9a7d3",      network: 314590    }  }}

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