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import os |
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import sys |
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import csv |
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import json |
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import networkx as nx |
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from collections import defaultdict |
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import matplotlib |
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import matplotlib.pyplot as plt |
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import warnings |
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warnings.filterwarnings('ignore', category=matplotlib.cbook.deprecation.MatplotlibDeprecationWarning) |
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def load_alerts(_conf_json): |
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_g = nx.DiGraph() |
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_bank_accts = defaultdict(list) |
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with open(_conf_json, "r") as rf: |
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conf = json.load(rf) |
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data_dir = os.path.join(conf["output"]["directory"], conf["general"]["simulation_name"]) |
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acct_csv = os.path.join(data_dir, conf["output"]["alert_members"]) |
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tx_csv = os.path.join(data_dir, conf["output"]["alert_transactions"]) |
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input_dir = conf["input"]["directory"] |
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schema_json = os.path.join(input_dir, conf["input"]["schema"]) |
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with open(schema_json, "r") as rf: |
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schema = json.load(rf) |
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acct_idx = None |
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bank_idx = None |
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orig_idx = None |
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bene_idx = None |
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amt_idx = None |
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date_idx = None |
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for i, col in enumerate(schema["alert_member"]): |
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if col.get("dataType") == "account_id": |
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acct_idx = i |
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elif col.get("dataType") == "bank_id": |
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bank_idx = i |
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for i, col in enumerate(schema["alert_tx"]): |
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if col.get("dataType") == "orig_id": |
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orig_idx = i |
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elif col.get("dataType") == "dest_id": |
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bene_idx = i |
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elif col.get("dataType") == "amount": |
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amt_idx = i |
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elif col.get("dataType") == "timestamp": |
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date_idx = i |
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with open(acct_csv, "r") as rf: |
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reader = csv.reader(rf) |
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next(reader) |
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for row in reader: |
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acct_id = row[acct_idx] |
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bank_id = row[bank_idx] |
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_g.add_node(acct_id, bank_id=bank_id) |
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_bank_accts[bank_id].append(acct_id) |
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with open(tx_csv, "r") as rf: |
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reader = csv.reader(rf) |
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next(reader) |
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for row in reader: |
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orig_id = row[orig_idx] |
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bene_id = row[bene_idx] |
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amount = row[amt_idx] |
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date = row[date_idx].split("T")[0] |
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label = amount + "\n" + date |
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_g.add_edge(orig_id, bene_id, amount=amount, date=date, label=label) |
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return _g, _bank_accts |
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def plot_alerts(_g, _bank_accts, _output_png): |
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bank_ids = _bank_accts.keys() |
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cmap = plt.get_cmap("tab10") |
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pos = nx.nx_agraph.graphviz_layout(_g) |
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plt.figure(figsize=(12.0, 8.0)) |
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plt.axis('off') |
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for i, bank_id in enumerate(bank_ids): |
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color = cmap(i) |
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members = _bank_accts[bank_id] |
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nx.draw_networkx_nodes(_g, pos, members, node_size=300, node_color=color, label=bank_id) |
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nx.draw_networkx_labels(_g, pos, {n: n for n in members}, font_size=10) |
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edge_labels = nx.get_edge_attributes(_g, "label") |
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nx.draw_networkx_edges(_g, pos) |
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nx.draw_networkx_edge_labels(_g, pos, edge_labels, font_size=6) |
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plt.legend(numpoints=1) |
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plt.subplots_adjust(left=0, right=1, bottom=0, top=1) |
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plt.savefig(_output_png, dpi=120) |
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if __name__ == "__main__": |
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argv = sys.argv |
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if len(argv) < 3: |
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print("Usage: python3 %s [ConfJSON] [OutputPNG]" % argv[0]) |
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exit(1) |
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conf_json = argv[1] |
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output_png = argv[2] |
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g, bank_accts = load_alerts(conf_json) |
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plot_alerts(g, bank_accts, output_png) |
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