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A high-performance, highly compatible EVM Inscriptions Indexer

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# Insdexer

[![gitbook.io](https://img.shields.io/badge/docs-insdexer-pink?logo=GitBook)](https://insdexer.gitbook.io/insdexer)
[![License: Apache-2.0](https://img.shields.io/badge/license-Apache--2.0-blue)](https://raw.githubusercontent.com/insdexer/insdexer/main/)
[![Minimum rustc version](https://img.shields.io/badge/rustc-1.75%2B-green)](https://raw.githubusercontent.com/insdexer/insdexer/main/)
[![CI](https://github.com/insdexer/insdexer/actions/workflows/ci.yml/badge.svg)](https://github.com/insdexer/insdexer/actions/workflows/ci.yml)

A high-performance, highly compatible EVM Inscriptions Indexer by Rust.

An accessible and complete version of the documentation is available at **[insdexer.gitbook.io](https://insdexer.gitbook.io)**.

## Rust Version Requirements

1.75

* [System Requirements](#system-requirements)
* [Usage](#usage)
  * [Getting Started](#getting-started)
  * [Configuration](#configuration)
  * [Logging](#logging)
  * [RESTful-API](#restful-api)

* [Key features](#key-features)
  * [Compatible Inscribe](#compatible-inscribe)
  * [Efficient Storage](#efficient-storage)
  * [Multi-Thread Sync](#multi-thread-sync)
  * [JSON-RPC daemon](#json-rpc-daemon)

* [Documentation](#documentation)
* [FAQ](#faq)
* [Getting in touch](#getting-in-touch)
  * [Reporting security issues/concerns](#reporting-security-issues/concerns)
  * [Team](#team)

**Disclaimer**: this software is currently a tech preview. We will do our best to keep it stable and make no breaking changes but we don't guarantee anything. Things can and will break.

## System Requirements

* CPU: 4-core (or 2-core hyperthreaded).

* RAM: >=16GB, 64-bit architecture.

* Storage: > 500Gb.
    SSD or NVMe. Do not recommend HDD.
    Bear in mind that SSD performance deteriorates when close to capacity.

## Usage

### Getting Started

Example: for ethereum inscriptions on sepolia network

```sh
./insdexer --web3-provider=https://rpc.sepolia.org --start-block=5000000 --start-block-mint=5000000
```

### Configuration

```sh
./insdexer -h
Usage: insdexer [OPTIONS] --web3-provider <WEB3_PROVIDER> --start-block <START_BLOCK> --start-block-mint <START_BLOCK_MINT>

Options:
      --tick-max-len <TICK_MAX_LEN>
          The maximum length of tick [env: TICK_MAX_LEN=] [default: 32]
      --worker-count <WORKER_COUNT>
          The number of workers for sync blocks data [env: WORKER_COUNT=1] [default: 1]
      --confirm-block <CONFIRM_BLOCK>
          The number of confirm block, when inscribe a new block data [env: CONFIRM_BLOCK=1] [default: 1]
      --chain-id <CHAIN_ID>
          The chain id of the network [env: CHAIN_ID=1] [default: 1]
      --web3-provider <WEB3_PROVIDER>
          The web3 provider url [env: WEB3_PROVIDER=https://rpc.sepolia.org]
      --start-block <START_BLOCK>
          The start block number for sync and inscribe [env: START_BLOCK=5000000]
      --start-block-mint <START_BLOCK_MINT>
          The start block number for sync and token mint [env: START_BLOCK_MINT=5000000]
      --reindex
          Reindex the block data [env: REINDEX=]
      --worker-buffer-length <WORKER_BUFFER_LENGTH>
          The length of worker sync buffer [env: WORKER_BUFFER_LENGTH=100] [default: 64]
      --db-path <DB_PATH>
          The path of database [env: DB_PATH=./data] [default: ./data]
      --token-protocol <TOKEN_PROTOCOL>
          The token protocol [env: TOKEN_PROTOCOL=erc-20] [default: erc-20]
      --http-bind <HTTP_BIND>
          The rpc http bind address [env: HTTP_BIND=0.0.0.0] [default: 127.0.0.1]
      --http-port <HTTP_PORT>
          The rpc http port [env: HTTP_PORT=8888] [default: 8711]
      --api-only
          Run in api only mode [env: API_ONLY=]
      --open-files-limit <OPEN_FILES_LIMIT>
          The open files limit [env: OPEN_FILES_LIMIT=1024000] [default: 10240]
      --checkpoint-span <CHECKPOINT_SPAN>
          The checkpoint span [default: 10]
      --checkpoint-len <CHECKPOINT_LEN>
          The checkpoint length [default: 20]
      --finalized-block <FINALIZED_BLOCK>
          Finalized block [env: FINALIZED_BLOCK=] [default: 50]
      --checkpoint-path <CHECKPOINT_PATH>
          Checkpoint base path [env: CHECKPOINT_PATH=] [default: ./.checkpoint]
      --market-address-list <MARKET_ADDRESS_LIST>
          The market address list [default: ]
  -h, --help
          Print help
  -V, --version
          Print version
```

### Logging

log4rs.yaml

```yaml
refresh_rate: 30 seconds
appenders:
  stdout:
    kind: console
    encoder:
      pattern: "{d} {l} {m}{n}"
  file:
    kind: file
    path: "logs/insdexer.log"
    encoder:
      pattern: "{d} {l} {m}{n}"
root:
  level: info
  appenders:
    - stdout
    - file
```

## Key features

### Compatible Inscribe

For developers, just set token-protocol and modify marketplace module, a new inscriptions indexer born.

### Efficient Storage

Flat KV storage. Insdexer use RocksDB (a key-value database) and storage in a simple way.

Transaction Inscribe. Insdexer utilize transactions to batch process block data, aiming for high performance and consistency.

It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.

### Multi-Thread Sync

Insdexer separate block syncing and inscribe. It use multi-threading for block data synchronization.
For first syncing, you can adjust the number of threads and working buffer according to machine configuration and bandwidth. After reaching the latest block, adjustments to settings can be made.

### JSON-RPC daemon

## Documentation

[https://insdexer.gitbook.io](https://insdexer.gitbook.io)

## FAQ

## Getting in touch

### Reporting security issues/concerns

### Team

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