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# Wallet RPC Mode

Lethean command-line wallet application (lethean-wallet-cli) can be run in RPC server mode. In this mode it can be controlled by RPC calls via HTTP. This makes possible to use it as a back end for an arbitrary service.

In order to start the wallet in RPC server mode, a user needs the following:

1. Run lethean-chain-node (the daemon application).

2. Run lethean-wallet-cli with the following options:

```shell shell
lethean-wallet-cli --wallet-file PATH_TO_WALLET_FILE --password PASSWORD --rpc-bind-ip RPC_IP --rpc-bind-port RPC_PORT --daemon-address DEAMON_ADDR:DAEMON_PORT
```

**where:**

- PATH_TO_WALLET_FILE — path to an existing wallet file (should be created beforehand using --generate-new-wallet);
- PASSWORD — wallet’s password;
- RPC_IP — IP address to bind RPC server to (127.0.0.1 will be used if not specified);
- RPC_PORT — TCP port for RPC server;
- DEAMON_ADDR:DAEMON_PORT — daemon address and port (may be omitted if the daemon is running on the same machine with the default settings);

All examples below are given in assumption that the wallet application is running in RPC server mode and listening at 127.0.0.1:12233.

All amounts and balances are represented as unsigned integers and measured in atomic units — the smallest fraction of a coin.  
1 coin is equal to 10^12 atomic units.

