Subclient

subclient is a JSON RPC client of the substrate, it can scan blocks, transfer transactions and so on

Example

var networkId = 0
var wsEndpoint = "wss://rpc.polkadot.io"
var httpEndpoint = "https://rpc.polkadot.io"


option := types.ClientOption{
	HttpEndpoint: httpEndpoint,
	WsEndpoint:   wsEndpoint,
	NetworkId:    networkId,
	WsSwitch:     true,
	Debug:        false,
}
client, err = NewClient(option)
if err != nil {
	panic(err)
}

head, err := client.GetFinalHeight()
if err != nil {
	panic(err)
}
fmt.Println(head)

Docker Centos7

docker pull centos:centos7

docker run -it -v /Users/abel/bworkspace/docker/:/opt/ --name centos7  -d centos:centos7 

curl https://sh.rustup.rs -sSf | sh
source $HOME/.cargo/env

rustup default nightly
rustup target add wasm32-unknown-unknown  

yum install openssl-devel  gcc wget -y

sh build.sh

export LD_LIBRARY_PATH=$(pwd)

wget https://studygolang.com/dl/golang/go1.18.9.linux-amd64.tar.gz
tar -C /usr/local -xzf go1.18.9.linux-amd64.tar.gz

vim /etc/environment
export PATH=$PATH:/usr/local/go/bin
export GOPATH=/opt/go
source /etc/environment

go build