Hyperledger Fabric 2.5 中文文档regular, non __future__ feature of Python 2.6+.) 注解 If you are using multiple directly nested with statements, it can be convenient to use multiple context expressions in one single with statement. Instead import settings def dump_production_database(): run('mysqldump -u %s -p=%s %s > /tmp/prod-db.sql' % ( settings.DATABASE_USER, settings.DATABASE_PASSWORD, settings.DATABASE_NAME0 码力 | 138 页 | 154.00 KB | 1 年前3
Hyperledger Fabric 1.4 中文文档regular, non __future__ feature of Python 2.6+.) 注解 If you are using multiple directly nested with statements, it can be convenient to use multiple context expressions in one single with statement. Instead import settings def dump_production_database(): run('mysqldump -u %s -p=%s %s > /tmp/prod-db.sql' % ( settings.DATABASE_USER, settings.DATABASE_PASSWORD, settings.DATABASE_NAME0 码力 | 145 页 | 161.53 KB | 1 年前3
Hyperledger Fabric 1.1 DocumentationThe immutable, shared ledger encodes the entire transaction history for each channel, and includes SQL-like query capability for efficient auditing and dispute resolution. Privacy through Channels - Channels haincode/shim#Chaincode] in particular, Init and Invoke functions. So, let’s add the go import statements for the necessary dependencies for our chaincode. We’ll import the chaincode shim package and the client waits until it receives “enough” messages and signatures on (TRANSACTION-ENDORSED, tid, *, *) statements to conclude that the transaction proposal is endorsed. As discussed in Section 2.1.2., this may0 码力 | 422 页 | 4.84 MB | 1 年前3
FISCO BCOS 2.1.0 中文文档支持分布式存储,使存储突破单机限制,支持横向扩展。计算和存储分 离,提高了系统健壮性,即使节点执行服务器故障,数据也不会受影 响。分布式存储定义了标准的数据访问CRUD接口,可以适配多种存储 系统,同时支持SQL和NoSQL两种数据管理方式,可以更简便地支持多 种业务场景。 实现预编译合约框架,突破EVM性能瓶颈。支持交易并发处理,大幅提 升交易处理吞吐量。预编译合约采用C++实现,内置于底层系统中,区 块 持数据简便 快速地扩容; 将计算和数据隔离,节点故障不会导致数据异常; 数据在远端存储,数据可以在更安全的隔离区存储,这在很多场景中非 常有意义; 分布式存储不仅支持Key-Value形式,还支持SQL方式,使得业务开发更 为简便; 世界状态的存储从原来的MPT存储结构转为分布式存储,避免了世界状 态急剧膨胀导致性能下降的问题; 优化了数据存储的结构,更节约存储空间。 同时,2.0版本仍然兼容1 另外,还有类似CRUD操作等也由预编译合约实现,更多预编译合约的介 绍,请参考预编译设计文档和预编译合约开发文档 CRUD合约 FISCO BCOS 2.0新增符合CRUD接口的合约接口规范,简化了将主流的面向 SQL设计的商业应用迁移到区块链上的成本。其好处显而易见: 与传统业务开发模式类似,降低了合约开发学习成本; 合约只需关心核心逻辑,存储与计算分离,方便合约升级; CRUD底层逻辑基于预编译合约实现,数据存储采用分布式存储,效率0 码力 | 1058 页 | 740.85 KB | 1 年前3
FISCO BCOS 2.3.0 中文文档支持分布式存储,使存储突破单机限制,支持横向扩展。计算和存储分 离,提高了系统健壮性,即使节点执行服务器故障,数据也不会受影 响。分布式存储定义了标准的数据访问CRUD接口,可以适配多种存储 系统,同时支持SQL和NoSQL两种数据管理方式,可以更简便地支持多 种业务场景。 实现预编译合约框架,突破EVM性能瓶颈。支持交易并发处理,大幅提 升交易处理吞吐量。预编译合约采用C++实现,内置于底层系统中,区 块 持数据简便 快速地扩容; 将计算和数据隔离,节点故障不会导致数据异常; 数据在远端存储,数据可以在更安全的隔离区存储,这在很多场景中非 常有意义; 分布式存储不仅支持Key-Value形式,还支持SQL方式,使得业务开发更 为简便; 世界状态的存储从原来的MPT存储结构转为分布式存储,避免了世界状 态急剧膨胀导致性能下降的问题; 优化了数据存储的结构,更节约存储空间。 同时,2.0版本仍然兼容1 另外,还有类似CRUD操作等也由预编译合约实现,更多预编译合约的介 绍,请参考预编译设计文档和预编译合约开发文档 CRUD接口 FISCO BCOS 2.0新增符合CRUD接口的合约接口规范,简化了将主流的面向 SQL设计的商业应用迁移到区块链上的成本。其好处显而易见: 与传统业务开发模式类似,降低了合约开发学习成本; 合约只需关心核心逻辑,存储与计算分离,方便合约升级; CRUD底层逻辑基于预编译合约实现,数据存储采用分布式存储,效率0 码力 | 1227 页 | 10.79 MB | 1 年前3
FISCO BCOS 2.2.0 中文文档支持分布式存储,使存储突破单机限制,支持横向扩展。计算和存储分 离,提高了系统健壮性,即使节点执行服务器故障,数据也不会受影 响。分布式存储定义了标准的数据访问CRUD接口,可以适配多种存储 系统,同时支持SQL和NoSQL两种数据管理方式,可以更简便地支持多 种业务场景。 实现预编译合约框架,突破EVM性能瓶颈。支持交易并发处理,大幅提 升交易处理吞吐量。预编译合约采用C++实现,内置于底层系统中,区 块 持数据简便 快速地扩容; 将计算和数据隔离,节点故障不会导致数据异常; 数据在远端存储,数据可以在更安全的隔离区存储,这在很多场景中非 常有意义; 分布式存储不仅支持Key-Value形式,还支持SQL方式,使得业务开发更 为简便; 世界状态的存储从原来的MPT存储结构转为分布式存储,避免了世界状 态急剧膨胀导致性能下降的问题; 优化了数据存储的结构,更节约存储空间。 同时,2.0版本仍然兼容1 另外,还有类似CRUD操作等也由预编译合约实现,更多预编译合约的介 绍,请参考预编译设计文档和预编译合约开发文档 CRUD合约 FISCO BCOS 2.0新增符合CRUD接口的合约接口规范,简化了将主流的面向 SQL设计的商业应用迁移到区块链上的成本。其好处显而易见: 与传统业务开发模式类似,降低了合约开发学习成本; 合约只需关心核心逻辑,存储与计算分离,方便合约升级; CRUD底层逻辑基于预编译合约实现,数据存储采用分布式存储,效率0 码力 | 1156 页 | 10.03 MB | 1 年前3
Hyperledger Fabric 1.4.8 DocumentationThe immutable, shared ledger encodes the entire transaction history for each channel, and includes SQL-like query capability for efficient auditing and dispute resolution. Privacy — Channels and private paper starts with the empty state, which is technically a nil [https://en.wikipedia.org/wiki/Null_(SQL)] state for the paper, as it doesn’t exist! See how paper 00001 is brought into existence by the issue the async and await keywords [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function] which allow JavaScript functions to be treated as if they were synchronous function0 码力 | 699 页 | 9.02 MB | 1 年前3
Hyperledger Fabric 1.4.9 DocumentationThe immutable, shared ledger encodes the entire transaction history for each channel, and includes SQL-like query capability for efficient auditing and dispute resolution. Privacy — Channels and private paper starts with the empty state, which is technically a nil [https://en.wikipedia.org/wiki/Null_(SQL)] state for the paper, as it doesn’t exist! See how paper 00001 is brought into existence by the issue the async and await keywords [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function] which allow JavaScript functions to be treated as if they were synchronous function0 码力 | 701 页 | 9.02 MB | 1 年前3
Hyperledger Fabric 1.4 DocumentationThe immutable, shared ledger encodes the entire transaction history for each channel, and includes SQL-like query capability for efficient auditing and dispute resolution. Privacy — Channels and private paper starts with the empty state, which is technically a nil [https://en.wikipedia.org/wiki/Null_(SQL)] state for the paper, as it doesn’t exist! See how paper 00001 is brought into existence by the issue the async and await keywords [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function] which allow JavaScript functions to be treated as if they were synchronous function0 码力 | 701 页 | 9.02 MB | 1 年前3
Hyperledger Fabric 1.4 Documentation
The immutable, shared ledger encodes the entire transaction history for each channel, and includes SQL-like query capability for efficient auditing and dispute resolution. Privacy — Channels and private paper starts with the empty state, which is technically a nil [https://en.wikipedia.org/wiki/Null_(SQL)] state for the paper, as it doesn’t exist! See how paper 00001 is brought into existence by the issue the async and await keywords [https://developer.mozilla.org/en- US/docs/Web/JavaScript/Reference/Statements/async_function] – they allow asynchronous JavaScript functions to be treated like their synchronous0 码力 | 678 页 | 10.02 MB | 1 年前3
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