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标题: Filecoin技术架构分析之十二:内部接口层plumbing&porce [打印本页]

作者: 杨尉    时间: 2019-5-5 14:59
标题: Filecoin技术架构分析之十二:内部接口层plumbing&porce
目录12.filecoin源码分析之内部接口层plumbing&porcelain接口
12.1 说明
12.2 plumbing&porcelain模式简述
12.3 plumbing底层接口
12.4 porcelain高层接口
12.1 说明目前官方正在将api包解耦,往plumbing、porcelain中迁移
缘由: 原来的api包,依赖于node包,而node包应该属于api之上的,这导致代码耦合性大
node作为一个上帝对象,被api包依赖,对架构扩展性,其他类型节点扩展开发不利
就在笔者写这篇文章的同时,官方应该还在继续迁移,后面api包会逐步都迁移完
porcelain主要依赖于plumbing接口
上一章所述的api包将会被废除
本文分析版本,go-filecoin版本:master 2c87fd59 (2019.3.7)
12.2 plumbing&porcelain模式简述该模式是借鉴git的思路,提供两种接口,porcelain偏高层面对用户更加友好方便;plumbing偏底层,友好度弱于porcelain
porcelain是英文瓷器的意思,类似洗手盆之类;plumbing是水管装置的意思,类似下水管,用户当然直接用洗手盆省心,不用管水管的事情
用户级更偏向用porcelain,协议级更偏向使用plumbing,
12.3 plumbing底层接口说明
plumbing底层接口是为实现协议以及面向网络的必须最小实现
更应用级别的调用更多将会调用到porcelain高层接口
提供的具体功能接口
区块状态读取
配置信息
日志
消息池操作
消息预览,Gas计算
消息查询
消息发送
消息等待
网络操作
Chain状态获取(actor信息)
钱包底层操作
具体的方法如下
▼package
plumbing▶imports▼+API:struct
[fields]
-chain:chain.ReadStore
-config:*cfg.Config
-logger:logging.EventLogger
-msgPool:*core.MessagePool
-msgPreviewer:*msg.Previewer
-msgQueryer:*msg.Queryer
-msgSender:*msg.Sender
-msgWaiter:*msg.Waiter
-network:*ntwk.Network
-sigGetter:*mthdsig.Getter
-wallet:*wallet.Wallet
[methods]
+ActorGet(ctxcontext.Context,addraddress.Address):*actor.Actor,error
+ActorGetSignature(ctxcontext.Context,actorAddraddress.Address,methodstring):*exec.FunctionSignature,error
+BlockGet(ctxcontext.Context,idcid.Cid):*types.Block,error
+ChainHead(ctxcontext.Context):types.TipSet
+ChainLs(ctxcontext.Context):chaninterface{}
+ConfigGet(dottedPathstring):interface{},error
+ConfigSet(dottedPathstring,paramJSONstring):error
+MessagePoolGet(cidcid.Cid):*types.SignedMessage,bool
+MessagePoolPending():[]*types.SignedMessage
+MessagePoolRemove(cidcid.Cid)
+MessagePreview(ctxcontext.Context,from,toaddress.Address,methodstring,params...interface{}):types.GasUnits,error
+MessageQuery(ctxcontext.Context,optFrom,toaddress.Address,methodstring,params...interface{}):[][]byte,*exec.FunctionSignature,error
+MessageSend(ctxcontext.Context,from,toaddress.Address,value*types.AttoFIL,gasPricetypes.AttoFIL,gasLimittypes.GasUnits,methodstring,params...interface{}):cid.Cid,error
+MessageWait(ctxcontext.Context,msgCidcid.Cid,cbfunc(*types.Block,*types.SignedMessage,*types.MessageReceipt)error):error
+NetworkFindProvidersAsync(ctxcontext.Context,keycid.Cid,countint):chanpstore.PeerInfo
+NetworkGetPeerID():peer.ID
+PubSubPublish(topicstring,data[]byte):error
+PubSubSubscribe(topicstring):pubsub.Subscription,error
+SignBytes(data[]byte,addraddress.Address):types.Signature,error
+WalletAddresses():[]address.Address
+WalletFind(addressaddress.Address):wallet.Backend,error
+WalletNewAddress():address.Address,error
[functions]
+New(deps*APIDeps):*API
12.4 porcelain高层接口说明
porcelain主要依赖plumbing实现。
主要是面向用户级操作
提供功能
获取区块高度
建立支付通道/多支付通道
获取默认地址
消息池等待未被打包进区块的消息
采用默认地址发送消息
获取指定矿工报价单
获取矿工Owner地址
获取矿工节点ID
创建矿工,预览Gas消耗
矿工报价,预览Gas消耗
矿工报价
获取签名支付凭证
钱包余额查询
▼package
porcelain▶imports▼+API:struct
[embedded]
+*plumbing.API:*plumbing.API
[methods]
+ChainBlockHeight(ctxcontext.Context):*types.BlockHeight,error
+CreatePayments(ctxcontext.Context,configCreatePaymentsParams):*CreatePaymentsReturn,error
+GetAndMaybeSetDefaultSenderAddress():address.Address,error
+MessagePoolWait(ctxcontext.Context,messageCountuint):[]*types.SignedMessage,error
+MessageSendWithDefaultAddress(ctxcontext.Context,from,toaddress.Address,value*types.AttoFIL,gasPricetypes.AttoFIL,gasLimittypes.GasUnits,methodstring,params...interface{}):cid.Cid,error
+MinerGetAsk(ctxcontext.Context,minerAddraddress.Address,askIDuint64):minerActor.Ask,error
+MinerGetOwnerAddress(ctxcontext.Context,minerAddraddress.Address):address.Address,error
+MinerGetPeerID(ctxcontext.Context,minerAddraddress.Address):peer.ID,error
+MinerPreviewCreate(ctxcontext.Context,fromAddraddress.Address,pledgeuint64,pidpeer.ID,collateral*types.AttoFIL):types.GasUnits,error
+MinerPreviewSetPrice(ctxcontext.Context,fromaddress.Address,mineraddress.Address,price*types.AttoFIL,expiry*big.Int):types.GasUnits,error
+MinerSetPrice(ctxcontext.Context,fromaddress.Address,mineraddress.Address,gasPricetypes.AttoFIL,gasLimittypes.GasUnits,price*types.AttoFIL,expiry*big.Int):MinerSetPriceResponse,error
+PaymentChannelLs(ctxcontext.Context,fromAddraddress.Address,payerAddraddress.Address):map[string]*paymentbroker.PaymentChannel,error
+PaymentChannelVoucher(ctxcontext.Context,fromAddraddress.Address,channel*types.ChannelID,amount*types.AttoFIL,validAt*types.BlockHeight):*paymentbroker.PaymentVoucher,error
+WalletBalance(ctxcontext.Context,addressaddress.Address):*types.AttoFIL,error
[functions]
+New(plumbing*plumbing.API):*API

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