Trace runner

main.py

import json
import requests
import sys

headers = {
    'Content-Type': 'application/json',
}

tracer = '{hist: {DIFFICULTY: {}, BLOCKHASH: {}, CALLCODE: {}}, found: false, fault: function(log) {}, step: function(log) {
var op = log.op.toString(); var addr = toHex(log.contract.getAddress()); if(op == "DIFFICULTY" || op == "BLOCKHASH" || op ==
"CALLCODE") { if(this.hist[op][addr]) { this.hist[op][addr]++; } else { this.hist[op][addr] = 1; } this.found = true;}}, resu
lt: function() { if (this.found) { return this.hist; } else { return "" }}}'

def data(i):
    return '{"id": 1, "method": "debug_traceBlockByNumber", "params": ["%s", {"tracer": "%s"}]}' % (hex(i), tracer.replace('"
', '\\"'))

f = open(f"out.txt", "x")
f.write("[")

start = 11706600
end = 11706612

for i in range(start, end):
    response = requests.post("http://localhost:8545", headers=headers, data=data(i))
    if "result" not in response.json():
        print(f"unexpected response at block {i}: {response.text}")
        sys.exit(1)
    
    results = response.json()["result"]

    out = []
    for result in results:
        if ("result" in result and result["result"] != "") or "error" in result:
            out.append(result)

    if len(out) > 0:
        f.write(json.dumps({i: out}))
        if i != (end - 1):
            f.write(",")

f.write("]")
f.close()