junha-ahn / klaytn-geth-db-analysis

[2023] klaytn-geth db data low-level analysis

klaytn-geth-db-analysis

This repository for explaining Kalytn db data

Dependency

• https://github.com/klaytn/klaytn
• https://github.com/ian0371/homi-local

Output

├── db_extract.md # descrition
└── extract
    ├── 0_genesis_setup
    ├── 1_tx_broadcast
    └── 2_129_block_mined
└── db
    ├── 0_genesis_setup
    ├── 1_tx_broadcast
    └── 2_129_block_mined

db_extract.md

Extract DB

go run main.go > db_extract.txt

How to Run

1. Clone Klaytn

$ git clone https://github.com/klaytn/klaytn.git

2. Build

/klaytn $ make all

3. Clone homi-local

/klaytn $ git clone https://github.com/ian0371/homi-local

4. Setup Path

/klaytn $ export PATH=$PATH:~/klaytn/build/bin

/klaytn $ which homi
~/klaytn/build/bin/homi

5. Edit Shard Number

-     kcn --datadir "$DATA_DIR" init "$DATA_DIR/genesis.json"
+     kcn --db.num-statetrie-shards 1 --datadir "$DATA_DIR" init "$DATA_DIR/genesis.json"

homi-local/cmd/setup.sh#L11

-    $BIN/kcn $OPTIONS >> ${LOG_DIR}/kcnd.out 2>&1 &
+    $BIN/kcn --db.num-statetrie-shards 1 $OPTIONS >> ${LOG_DIR}/kcnd.out 2>&1 &

homi-local/kcnd.sh#L287

6. Setup Genesis Chaindata

/klaytn/homi-local $ homi setup --cn-num 1 --funding-addr ${address} local
/klaytn/homi-local $ ./run setup

More details from homi-local

7. Run Consensus Node

/klaytn/homi-local $ ./run start
/klaytn/homi-local $ ./run stop