lotus/documentation/en/mining.md

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# Storage Mining
Here are instructions to learn how to perform storage mining. For hardware specifications please read [this](https://docs.lotu.sh/en+hardware-mining).
It is useful to [join the Testnet](https://docs.lotu.sh/en+join-testnet) prior to attempting storage mining for the first time.
## Note: Using the Lotus Miner from China
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If you are trying to use `lotus-miner` from China. You should set this **environment variable** on your machine.
```sh
IPFS_GATEWAY="https://proof-parameters.s3.cn-south-1.jdcloud-oss.com/ipfs/"
```
## Get started
Please ensure that at least one **BLS address** (starts with `t3`) in your wallet exists with the following command:
```sh
lotus wallet list
```
If you do not have a bls address, create a new bls wallet:
```sh
lotus wallet new bls
```
With your wallet address:
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- Visit the [faucet](https://faucet.testnet.filecoin.io)
- Click "Create Miner"
- DO NOT REFRESH THE PAGE. THIS OPERATION CAN TAKE SOME TIME.
The task will be complete when you see:
```sh
New miners address is: <YOUR_NEW_MINING_ADDRESS>
```
## Initialize the miner
In a CLI window, use the following command to start your miner:
```sh
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lotus-miner init --actor=ACTOR_VALUE_RECEIVED --owner=OWNER_VALUE_RECEIVED
```
Example
```sh
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lotus-miner init --actor=t01424 --owner=t3spmep2xxsl33o4gxk7yjxcobyohzgj3vejzerug25iinbznpzob6a6kexcbeix73th6vjtzfq7boakfdtd6a
```
You will have to wait some time for this operation to complete.
## Mining
To mine:
```sh
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lotus-miner run
```
If you are downloading **Filecoin Proof Parameters**, the download can take some time.
Get information about your miner:
```sh
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lotus-miner info
# example: miner id `t0111`
```
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**Seal** random data to start producing **PoSts**:
```sh
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lotus-miner sectors pledge
```
- Warning: On Linux configurations, this command will write data to `$TMPDIR` which is not usually the largest partition. You should point the value to a larger partition if possible.
Get **miner power** and **sector usage**:
```sh
lotus state power
# returns total power
lotus state power <miner>
lotus state sectors <miner>
```
## Performance tuning
### `FIL_PROOFS_MAXIMIZE_CACHING=1` Environment variable
This env var can be used with `lotus-miner`, `lotus-worker`, and `lotus-bench` to make the precommit1 step faster at the cost of some memory use (1x sector size)
### `FIL_PROOFS_USE_GPU_COLUMN_BUILDER=1` Environment variable
This env var can be used with `lotus-miner`, `lotus-worker`, and `lotus-bench` to enable experimental precommit2 GPU acceleration
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### Setting multiaddresses
Set multiaddresses for the miner to listen on in a miner's `config.toml` file
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(by default, it is located at `~/.lotusminer/config.toml`). The `ListenAddresses` in this file should be interface listen addresses (usually `/ip4/0.0.0.0/tcp/PORT`), and the `AnnounceAddresses` should match the addresses being passed to `set-addrs`.
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The addresses passed to `set-addrs` parameter in the commands below should be currently active and dialable; confirm they are before entering them.
Once the config file has been updated, set the on-chain record of the miner's listen addresses:
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```
lotus-miner actor set-addrs <multiaddr_1> <multiaddr_2> ... <multiaddr_n>
```
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This updates the `MinerInfo` object in the miner's actor, which will be looked up
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when a client attempts to make a deal. Any number of addresses can be provided.
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Example:
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```
lotus-miner actor set-addrs /ip4/123.123.73.123/tcp/12345 /ip4/223.223.83.223/tcp/23456
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```