https://github.com/Agoric/agoric-sdk/blob/master/packages/cosmic-swingset/bin/ag-chain-cosmos
ag-chain-cosmos start [flags] ag-chain-cosmos status
ag-chain-cosmos --help
$HOME/.ag-chain-cosmos
agd start ag-cosmos-helper ag-setup-cosmos
agoric, agd, ag0, ~/.agoric/
~/.agoric/config/genesis.json
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