How to start

Step 1: Environment Deployment

View Docker Installation section to install docker.

Step 2: Set up the node directory

Node home directory:

Using "~/memo_provider" as an example:

export MEFS_PATH=~/memo_provider

Node data storage directory: ~/memo_user_data as an example.

export MEFS_DATA=~/memo_provider_data

The node home directory is the provider directory and the node storage directory is the provider node data storage directory.

Step 3: Pull image(provider)

docker pull memoio/mefs-provider:latest

Step 4: Initialization（Create new wallet）

docker run --rm -v $MEFS_PATH:/root --entrypoint mefs-provider memoio/mefs-provider:latest init --password=memoriae

Explanation of parameters:

--password: Enter your provider node password, the default is memoriae.

Init: Execute the initialize command, which will generate your wallet address and generate a configuration file.

Step 5: Get wallet address

Explanation of parameters:

wallet default: Get the default wallet address

Step 6: Top up

Starting node needs both the Memo and cMemo token.

To get the cMemo token, there is one faucet, https://faucet.metamemo.one/

This is the MemoChain information.

Memochain information

Chain RPC: https://chain.metamemo.one:8501/

Currency name: CMEMO

Chain ID: 985

Chain browser: https://scan.metamemo.one:8080/

To get Memo Tokens for your wallet, you can transfer some Memo Tokens from other wallet address which has enough Memo Tokens. The provider needs minimum 30 Memo Tokens.

Join our discussing with Slack Link:

https://join.slack.com/t/memo-nru9073/shared_invite/zt-sruhyryo-suc689Nza3z8boa4JkaLqw

Step 7: Modify the configuration file

Step 8:Start node

  • Please make sure your user home directory and password are the same as in the previous step.

If there is any deploy issue. Please join the deploy-node discussing with Slack Link:

https://join.slack.com/t/memo-nru9073/shared_invite/zt-sruhyryo-suc689Nza3z8boa4JkaLqw

Checking the running status

Step 1: Enter the container

Step 2: Check provider information

Step 3: Declare

• When participating as a provider node, you need to execute the declare command (declare the public network address) for communication between nodes;

• Get your public network ip+port ready, I will show you below;

• Note: Execute the command in the container;

• The command mefs-provider info can only be executed after the sync information displays as true. Although the synchronization can be successful without doing so, it will not be able to communicate with other nodes.

Parameter explanation

X.X.X.X is your public ip address.

Port 4007 is your public network port, and the mapped port is the host's port 4001 (-p 4001: the first port 4001 of the boot parameter).

Check net status

Get local node network information

Command description: Enter command net info to view the network id (cid), ip address and port of the current node.

Get the network connection information of the node

Command description: Enter command net peers to view the network connection information of the current node.

Connect to any node

Command description: Enter command net connect to connect to any node; if there is any problem with your node network, please enter command net connect to connect to our public node.

COMMON MISTAKES

  1. ERROR: not have tx fee on chain

Solution: Check the node, both of the cMemo token balance, and the memo balance. The Memo token balance must meet the minimum amount for node startup.

  1. ERROR: execution reversed: can't unpledge during 180d

The node pledge amount needs to be withdrawn 180 days after the last pledge.

  1. If the log reports that the meta and state files are missing, you can perform the Recover operation.

mefs-provider recover db --path /home/mcloud/provider2/.memo-provider/meta

mefs-provider recover db --path /home/mcloud/provider2/.memo-provider/state

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