This is violate what the docs of getchainfo is telling us that the
last_block_height is a u64.
```
2024-05-17T09:53:23.464Z **BROKEN** plugin-offers: Got error reply to getchaininfo: '{\"error\":{\"code\":-1,\"data\":null,\"message\":\"invalid type: string \\\"0\\\", expected u64\"},\"id\":\"init/offers:getchaininfo#1\",\"jsonrpc\":\"2.0\"}\n\n'
2024-05-17T09:53:23.496Z INFO plugin-offers: Killing plugin: exited before replying to init
2024-05-17T09:53:23.496Z **BROKEN** plugin-offers: Plugin marked as important, shutting down lightningd!
2024-05-17T09:53:23.496Z DEBUG lightningd: io_break: lightningd_exit
2024-05-17T09:53:23.496Z **BROKEN** plugin-topology: Reading JSON input: Connection reset by peer
2024-05-17T09:53:23.504Z INFO plugin-topology: Killing plugin: exited before replying to init
2024-05-17T09:53:23.504Z **BROKEN** plugin-topology: Plugin marked as important, shutting down lightningd!
2024-05-17T09:53:23.504Z DEBUG lightningd: io_break: lightningd_exit
2024-05-17T09:53:23.504Z DEBUG plugin-bookkeeper: Setting up database at sqlite3://accounts.sqlite3
2024-05-17T09:53:23.504Z DEBUG connectd: REPLY WIRE_CONNECTD_START_SHUTDOWN_REPLY with 0 fds
2024-05-17T09:53:23.504Z DEBUG lightningd: io_break: connectd_start_shutdown_reply
```
Fixing the following crash
```
Got error reply to getchaininfo: '{"error":{"code":-1,"data":null,"message":"invalid type: string \"0\", expected u64"},"id":"init/offers:getchaininfo#1","jsonrpc":"2.0"}
'lightningd: lightningd already running? Error locking PID file: Resource temporarily unavailable
```
Fixes: 847208f5d8
Changelog-None: offer: fix type to the getchaininfo rpc
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Plugin Directory
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