Draw the Bitcoin Core mempool
Project description
Bitcoin Mempool Inspector
A tool to inspect and filter mempool transactions and their dependencies. This currently
requires a locally running version of bitcoind and will use bitcoin-cli
to pull
data about the mempool and block template info.
Requirements
- Bitcoin Core >= v0.17
- Python 3.4, 3.5, 3.6
- Matplotlib v2 dependencies
- TK for Python
Install System Dependencies
sudo apt-get install python3-dev python3-tk
sudo apt-get build-dep python-matplotlib
If the build-dep
command does not work, you may need to enable the deb-src repository
Installation Ubuntu & Debian
To Install With pip
pip3 install draw_mempool
To Install from Source
git clone https://github.com/conscott/draw_mempool
cd draw_mempool
python3 -v venv venv
source venv/bin/activate
python3 setup.py install
Try it out
./draw_mempool.py --help
Examples
# Only show transactions with ancestor dependencies within last 60 minutes with a fee-rate
# above 20 sat/byte
./draw_mempool.py --minancestors=2 --minfeerate=20 --maxage=60
# Show high fee transactions (above 300 sat/byte)
./draw_mempool.py --minfeerate=300
# Animate live mempool, coloring tx's to be included in next block as blue
./draw_mempool.py --maxage=10 --animate --color_bt
# Color transactions signaling RBF
./draw_mempool.py --color_rbf
# Draw the 2-block fee estimate as a horizontal line, as well as coloring
# transactions to be included in the next block
./draw_mempool.py --nestimatefee=2 --color_bt
Events
- Clicking on a tx will print the tx hash and fee / size information.
- Double clicking on a transactions will open a browser tab, to inspect the tx on blockstream.info
- Clicking the 'm' button will redraw the mempool without the txs included in
getblocktemplate
, to help visualize what the mempool would look like after the next block is mined (can help with fee estimates). - You can zoom and pan using the buttons provided in the lower menu.
Known Issues
- This program gets quite slow when there is a large mempool and does best when there are less than 10,000 transactions to draw. You can use the tx filter functions (like
--maxage
) to reduce the total txs drawn. - When using
--animate
, the zoom will reset on every re-draw.
Project details
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