wand007/dream

dream 梦想

智能合约（Smart Contract）是运行在区块链上 的计算机程序。区块链技术让人们可以在去中心化 的情况下达成共识，而智能合约则决定了可以达成 什么样的共识。换言之，区块链只是一个分布式的 记账方式形成的公共账本，智能合约则进一步结合 千千万万个不同的应用场景和经济活动，约定了谁 与谁、在什么情况下记账，进而产生什么样的账本。

go mod init

GO111MODULE=on go mod vendor

区块链

https://github.com/hyperledger/fabric

https://github.com/hyperledger/fabric-samples

系统工具	版本
ubuntu	20.04
java	1.8
golang	go1.15.2
fabric	2.1.0
fabric-gateway-java	2.1.4

Fabric网络结构

节点类型	节点名	所属组织	ip	服务端口
orderer	orderer1.org0.example.com	org0	192.168.0.2	7050
orderer	orderer2.org0.example.com	org0	192.168.0.2	8050
orderer	orderer3.org0.example.com	org0	192.168.0.2	9050
peer	peer0.org1.example.com	org1	192.168.0.2	7051
peer	peer1.org1.example.com	org1	192.168.0.2	8051
peer	peer0.org2.example.com	org2	192.168.0.2	9051
peer	peer1.org2.example.com	org2	192.168.0.2	10051
peer	peer0.org3.example.com	org3	192.168.0.2	11051
peer	peer1.org3.example.com	org3	192.168.0.2	12051
peer	peer0.org4.example.com	org4	192.168.0.2	13051
peer	peer1.org4.example.com	org4	192.168.0.2	14051
peer	peer0.org5.example.com	org5	192.168.0.2	15051
peer	peer1.org5.example.com	org5	192.168.0.2	16051
couchdb	couchdb0.org1.example.com	org1	192.168.0.2	5984
couchdb	couchdb1.org1.example.com	org1	192.168.0.2	6984
couchdb	couchdb0.org2.example.com	org2	192.168.0.2	7984
couchdb	couchdb1.org2.example.com	org2	192.168.0.2	8984
couchdb	couchdb0.org3.example.com	org3	192.168.0.2	9984
couchdb	couchdb1.org3.example.com	org3	192.168.0.2	10984
couchdb	couchdb0.org4.example.com	org4	192.168.0.2	11984
couchdb	couchdb1.org4.example.com	org4	192.168.0.2	12984
couchdb	couchdb0.org5.example.com	org5	192.168.0.2	13984
couchdb	couchdb1.org5.example.com	org5	192.168.0.2	14984
ca	ca-tls.ca.example.com	tls	192.168.0.2	7052
ca	ca-org0.ca.example.com	org0	192.168.0.2	7053
ca	ca-org1.ca.example.com	org1	192.168.0.2	7054
ca	ca-org2.ca.example.com	org2	192.168.0.2	7055
ca	ca-org3.ca.example.com	org3	192.168.0.2	7056
ca	ca-org4.ca.example.com	org4	192.168.0.2	7057
ca	ca-org5.ca.example.com	org5	192.168.0.2	7058