mirror of
https://github.com/fluencelabs/tendermint-demo
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48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
import sys, urllib, json, datetime, time
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from common_parse_utils import parseutc, readjson, getmaxheight
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if len(sys.argv) < 2:
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print "usage: python parse_chain.py host:port [minheight]"
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sys.exit()
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blocks_fetch = 20 # tendermint can't return more blocks
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tmaddress = sys.argv[1]
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maxheight = getmaxheight(tmaddress)
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minheight = int(sys.argv[2]) if len(sys.argv) > 2 else max(1, maxheight - 49)
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lastnonempty = -1
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last_fetched_height = minheight - 1
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print "%6s %26s %7s %7s %8s %30s %30s %30s %30s %30s" % ("height", "block time", "txs", "acc.txs", "app_hash", "tx1", "tx2", "tx3", "tx4", "tx5")
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for height in range(minheight, maxheight + 1):
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if height > last_fetched_height:
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last_fetched_height = min(height + blocks_fetch - 1, maxheight)
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bulk_data = (readjson(tmaddress + "/blockchain?minHeight=%d&maxHeight=%d" % (height, last_fetched_height)))["result"]["block_metas"]
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data = bulk_data[last_fetched_height - height]["header"]
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numtxs = data["num_txs"]
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totaltxs = data["total_txs"]
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app_hash = data["app_hash"]
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blocktimetxt = data["time"]
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blocktime = parseutc(blocktimetxt)
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if numtxs > 0 or height == maxheight or height == lastnonempty + 1:
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blockdata = readjson(tmaddress + "/block?height=%d" % height)
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txs = blockdata["result"]["block"]["data"]["txs"]
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txsummary = ""
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if txs:
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lastnonempty = height
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for tx in txs[0:5]:
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txstr = tx.decode('base64')
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if len(txstr) > 30:
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txsummary += "%27s... " % txstr[0:27]
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else:
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txsummary += "%30s " % txstr
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if len(txs) > 5:
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txsummary += "..."
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print "%5s: %s %7d %7d" % (height, datetime.datetime.fromtimestamp(blocktime), numtxs, totaltxs), "0x" + app_hash[0:6], txsummary
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else:
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if height == lastnonempty + 2:
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print "..."
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