Task 4

Install Dependencies

sudo apt update -y && sudo apt upgrade -y
sudo apt install -y make bzip2 automake libbz2-dev libssl-dev doxygen graphviz libgmp3-dev \
autotools-dev libicu-dev python2.7 python2.7-dev python3 python3-dev \
autoconf libtool curl zlib1g-dev sudo ruby libusb-1.0-0-dev \
libcurl4-gnutls-dev pkg-config patch llvm-7-dev clang-7 vim-common jq libncurses5 git

Create Contract CRUD

Buat folder

mkdir -p $HOME/inrcrud

Create

sudo tee $HOME/inrcrud/inrcrud.cpp >/dev/null <<EOF
#include <inery/inery.hpp>
#include <inery/print.hpp>
#include <string>

using namespace inery;

using std::string;

class [[inery::contract]] inrcrud : public inery::contract {
  public:
    using inery::contract::contract;


        [[inery::action]] void create( uint64_t id, name user, string data ) {
            records recordstable( _self, id );
            auto existing = recordstable.find( id );
            check( existing == recordstable.end(), "record with that ID already exists" );
            check( data.size() <= 256, "data has more than 256 bytes" );

            recordstable.emplace( _self, [&]( auto& s ) {
               s.id         = id;
               s.owner      = user;
               s.data       = data;
            });

            print( "Hello, ", name{user} );
            print( "Created with data: ", data );
        }

         [[inery::action]] void read( uint64_t id ) {
            records recordstable( _self, id );
            auto existing = recordstable.find( id );
            check( existing != recordstable.end(), "record with that ID does not exist" );
            const auto& st = *existing;
            print("Data: ", st.data);
        }

        [[inery::action]] void update( uint64_t id, string data ) {
            records recordstable( _self, id );
            auto st = recordstable.find( id );
            check( st != recordstable.end(), "record with that ID does not exist" );


            recordstable.modify( st, get_self(), [&]( auto& s ) {
               s.data = data;
            });

            print("Data: ", data);
        }

            [[inery::action]] void destroy( uint64_t id ) {
            records recordstable( _self, id );
            auto existing = recordstable.find( id );
            check( existing != recordstable.end(), "record with that ID does not exist" );
            const auto& st = *existing;

            recordstable.erase( st );

            print("Record Destroyed: ", id);

        }

  private:
    struct [[inery::table]] record {
       uint64_t        id;
       name     owner;
       string          data;
       uint64_t primary_key()const { return id; }
    };

    typedef inery::multi_index<"records"_n, record> records;
 };
EOF

Compile

Set Contract

Unlock wallet dulu jika ke lock

Jika muncul seperti ini

Edit file config.ini

Temukan max-transaction-time (yang paling bawah) ganti dari 15000 ke 30000

SAVE, CTRL+X Y Enter

Contract siap ,lanjut membuat JSON RPC

Install Nodejs

Clone Repo

Install

Jika muncul seperti itu ,update menggunakan

Copy dan Edit file .env

Isi dengan data mu sesuai di dashboard. http://you_node_url:8888 ganti dengan http://IP.VPSMU:8888 Save

Jalankan

OKAY!

Jika ada error seperti ini;

cause: Error: connect ECONNREFUSED IP.VPS:8888

Cara fix nya open port 8888

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