怎么解析关于Filecoin的四大实现
更新时间:2023-11-10Filecoin四大实现解析
概述
Filecoin是一个点对点的存储网络,用于存储和检索数据,而不依赖于传统的服务器集群。Filecoin通过激励机制来鼓励网络参与者提供硬盘空间和带宽,以服务网络并获得代币奖励。Filecoin有四种实现方式,分别是Lotus、go-filecoin、rust-filecoin和Forest。下面将对这四种实现进行详细解析。
Lotus
Lotus是Filecoin官方推荐的Go语言实现的节点实现,它是目前生态最丰富、最活跃的Filecoin客户端之一。Lotus的代码是开源的,可以在Github上找到。以下是使用Lotus查询链的示例代码:
import ( "context" "fmt" "github.com/filecoin-project/go-jsonrpc" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/rpc" ) func main() { ctx :=context.Background() c, err :=rpc.DialContext(ctx, "ws://YOUR_NODE_IP:YOUR_NODE_PORT/rpc/v0") if err !=nil { panic(err) } defer c.Close() var height int64 if err :=c.Call(ctx, &height, "ChainHead.Height"); err !=nil { panic(err) } fmt.Printf("Current Chain Height: %d", height) }
go-filecoin
go-filecoin是另一种使用Go语言实现的Filecoin节点实现,它完全符合Filecoin规范,并且包含完整的CLI界面。go-filecoin具有可扩展性和互操作性,并已被广泛测试。以下是用go-filecoin创建存储订单的代码示例:
import ( "context" "fmt" "github.com/filecoin-project/go-jsonrpc" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/chain/types" ) func main() { ctx :=context.Background() c, err :=jsonrpc.NewClient(ctx, "ws://YOUR_NODE_IP:YOUR_NODE_PORT/rpc/v0") if err !=nil { panic(err) } var order api.DealID err=c.Call(ctx, &order, "ClientStartDeal", api.StartDealParams{ Data: api.DataCID{"/ipfs/QmdF5P81e6dGqwKvUYFLfwnUPzeVxBeeEJxsSxJbsFsXq6"}, Wallet: "f1e30212-20ac-47e1-bc11-c2f93d37e753", Miner: "f107453", EpochPrice: abi.NewTokenAmount(2500000000), MinBlocksDuration: uint64(5400), FastRetrieval: true, VerifiedDeal: false, ClientMarketBalance: abi.NewTokenAmount(50000000000000000), ProviderCollateral: abi.NewTokenAmount(100000000000), DealStartEpoch: abi.ChainEpoch(53600), }) if err !=nil { panic(err) } fmt.Printf("Deal ID: %d", order) }
rust-filecoin
rust-filecoin是另一种Filecoin节点实现,它使用Rust语言编写,提供了高速和安全的实现。rust-filecoin目前仍处于开发阶段,但仍可用于开发和测试目的。以下是使用rust-filecoin获取钱包余额的代码示例:
use jsonrpc::{client::Client, serde_json::Value}; use serde::{Deserialize, Serialize}; #[derive(Debug, Serialize, Deserialize)] struct WalletBalanceRequest { jsonrpc: String, id: usize, method: String, params: (String,), } #[derive(Debug, Serialize, Deserialize)] struct WalletBalanceResponse { jsonrpc: String, id: usize, result: String, } fn main() { let mut client=Client::new("http://YOUR_NODE_IP:YOUR_NODE_PORT/rpc/v0").unwrap(); let req=WalletBalanceRequest { jsonrpc: "2.0".to_string(), id: 1, method: "Filecoin.WalletBalance".to_string(), params: ( "f1i5yyfnru3ueiphhivdxeexdsxs2k2k2ixmr7gi".to_string(), ), }; let res: WalletBalanceResponse=client.call_method(&req); println!("{:?}", res); }
Forest
Forest是另一种使用Rust语言实现的Filecoin节点实现,它专注于高速和可靠性。Forest的代码已经开源,并已被证明是值得信赖的Filecoin客户端之一。以下是使用Forest发送消息到Filecoin链上的代码示例:
use filecoin_signer::signature::SignatureType; use forest_address::{Address, Network}; use forest_cid::Cid; use forest_ipld::Ipld; use forest_message::{ Message, UnsignedMessage, SignedMessage, NewMessage, TestVector, UnsignedMessageAPI, SignedMessageAPI, }; use forest_crypto::Signature; use hex_literal::hex; use num_bigint::BigInt; use std::{str::FromStr, time::{SystemTime, UNIX_EPOCH}}; fn send_message() { let nonce: u64=1; let receiver=Address::from_str("f3wzwxsmow4t7b5ew7hpl5gcdz2kcntbaslcxczoeamvnqekrxrgkm6ys45todct2qwnt25cu3pxnuoe42ixmq==").unwrap(); let value: BigInt=100.into(); let gas_limit: i64=250000; let gas_fee_cap=BigInt::from(1000000000); let gas_premium=BigInt::from(500000000); let mut message=UnsignedMessageAPI { Version: 1, To: Some(receiver.clone()), From: Some(Address::from_vec(hex!("7163d00ead7af31eb27cd9d6cecbe8c9a676826a")).unwrap()), Nonce: Some(nonce), Value: Some(value), GasLimit: Some(gas_limit), GasFeeCap: Some(gas_fee_cap), GasPremium: Some(gas_premium), Method: Some(3), Params: Some( Ipld::List(vec![]), ), }; let epoch=SystemTime::now() .duration_since(UNIX_EPOCH) .unwrap() .as_micros(); let message_cids=message.cid()?; let signature=Signature::new_secp256k1(hex!["1a2b3c4d5e6f7a2b3c4d5"].to_vec(), SignatureType::BLS).unwrap(); let signed_message=SignedMessageAPI { Message: message.into(), Signature: signature.to_bytes().to_vec(), }; let serialized_signed_message=&signed_message.to_bytes()?; let final_cid=Cid::new_v1(Cid::Blake2b256, serialized_signed_message); println!("Final CID: {}", final_cid); }
通过对以上四种Filecoin节点实现的介绍和示例代码的解释,我们可以更深入地理解它们各自的特点和功能,这有助于选择适合自己的Filecoin客户端实现。