garethtdavies

SELECT
  block_number,
  `hash`,
  input_value,
  output_value,
  fee,
  i.type AS input_type,
  o.type AS output_type,
  block_timestamp
FROM

garethtdavies

import blocksci

chain = blocksci.Blockchain("/home/gareth/blocksci/zcash-data")

migration_tx = 0

for blk in chain[500000:571501]:
    for tx in blk:
        if (tx.is_saplingshielded and tx.is_sproutshielded):
            print(tx.hash)

garethtdavies

import blocksci
import csv

chain = blocksci.Blockchain("/home/gareth/blocksci/zcash-data")

migration_tx = 0
sprout_tx = 0
sprout_fully_shielded = 0
sapling_tx = 0
sapling_fully_shielded = 0

garethtdavies

{
  "txid": "5328354a0b14c95b1f8ac26ec99c7b365638cd877a04aa3fb27d19deedc90fb7",
  "overwintered": true,
  "version": 4,
  "versiongroupid": "892f2085",
  "locktime": 0,
  "expiryheight": 572130,
  "vin": [
  ],
  "vout": [

garethtdavies

# A super quick "unofficial" script to parse the GraphQL API to get public keys for those producing SNARK work
# Install dependencies and run with `python3 SnarkProducers.py`
# You'll need to be running the GraphQL API see here for quick setup https://codaprotocol.com/docs/developers/graphql-api/
# and here for a detailed overview https://garethtdavies.com/crypto/first-steps-with-coda-graphql-api.html and update line 14 if required
# Your results may vary depending on how many blocks your node has seen

# Dependencies
# >=Python 3.5
# pip3 install git+https://github.com/CodaProtocol/coda-python-client.git
# pip3 install pandas

garethtdavies

db.getCollection("blocks").find({
  "transactions.userCommands": {
    "$elemMatch": {
      "memo": "2pn2vgS9sRdjnwZqRDndxVdGzeocYEwyJcHC1zbTgqrkmTnCFTA4MU"
    }
  }
});

garethtdavies

import asyncio
import time
import CodaClient
import datetime

coda = CodaClient.Client(graphql_host="localhost", graphql_port="8000")

# This currently responds to all tx for the provided public key on L#33 - it could be filtered to listen for payment id
async def blockReceived(message):
    receivedTime = datetime.datetime.now()

garethtdavies

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""Output stats from Zcash blockchain using Blocksci
   Uses https://github.com/cryptolu/BlockSci for Zcash Blocksci adaptation
   Credit @st4d https://github.com/str4d for transaction type detection
"""

import blocksci
import os

garethtdavies

docker run --publish 3085:3085 -it codaprotocol/coda-demo:0.0.12-beta-wallet-custom-onboarding-2-f193685
2020-04-03 22:46:24 UTC [Info] Coda daemon is booting up; built with commit "f19368523b05d6cb430fe3f6ca1b6c9252b36bb4" on branch "wallet/custom-onboarding-2"
2020-04-03 22:46:24 UTC [Info] Daemon will expire at "2024-12-10 14:00:00-07:00"
2020-04-03 22:46:24 UTC [Info] Booting may take several seconds, please wait
2020-04-03 22:46:24 UTC [Info] Looking for the genesis tar file "coda_genesis_f1936852_5f69e1300e9b0392.tar.gz"
2020-04-03 22:46:24 UTC [Info] Found genesis tar file at "/var/lib/coda" and extracted it to $path
	path: "/root/.coda-config/coda_genesis_f1936852_5f69e1300e9b0392"
2020-04-03 22:46:24 UTC [Info] Successfully retrieved genesis ledger and genesis proof from "/var/lib/coda"
2020-04-03 22:46:25 UTC [Fatal] Unhandled top-level exception: $exn
Generating crash report

garethtdavies

docker run -d --name coda \
-e "CODA_PRIVKEY_PASS=xxxxxx" \
--mount type=bind,source="$(pwd)"/keys,target=/root/keys \
-p 8302:8302 \
-p 8303:8303 \
-p 3085:3085 \
--restart always \
codaprotocol/coda-daemon:0.0.12-beta-feature-bump-genesis-timestamp-3e9b174 daemon \
-block-producer-key /root/keys/my-wallet \
-coinbase-receiver <PUBLIC_KEY> \