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Command-line tools

zecpy-cold, the offline signer, and the leak-audit proxy.

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zecpy-cold

The offline signer, installed with the package (also python -m zecpy.cold). It never touches the network. The mnemonic is read from a hidden prompt, or from stdin when piped.

Text
zecpy-cold --network {main,test,regtest} [--account N] [--regtest-heights FILE] COMMAND
Command Does
new Generates a seed offline; prints the 24 words to stderr and the watch bundle to stdout
bundle Prints the watch bundle for an existing mnemonic
inspect PCZT Describes an unsigned PCZT: what it spends, pays and returns as change
sign PCZT OUT [--yes] Shows the description, asks, signs, writes OUT

Without --yes, sign asks for confirmation, and refuses when stdin is not a terminal.

The leak-audit proxy

In the SDK repo, for measuring any light wallet:

Shell
python -m tools.leak_audit --listen 127.0.0.1:19167 --upstream 127.0.0.1:19067 \
       [--tls] [--log requests.jsonl]

Point a wallet at the listen address. Each request is printed with its label as it arrives; Ctrl-C prints a summary. python -m tools.leak_audit.report regenerates the privacy report from scripted runs.