105 lines
3.3 KiB
Markdown
105 lines
3.3 KiB
Markdown
# RPC
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## Client
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Client is provided as a Go package, so please refer to the
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[relevant godocs page](https://godoc.org/github.com/nspcc-dev/neo-go/pkg/rpc).
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## Server
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The server is written to support as much of the [JSON-RPC 2.0 Spec](http://www.jsonrpc.org/specification) as possible. The server is run as part of the node currently.
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### Example call
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An example would be viewing the version of the node:
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```bash
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$ curl -X POST -d '{"jsonrpc": "2.0", "method": "getversion", "params": [], "id": 1}' http://localhost:20332
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```
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which would yield the response:
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```json
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{
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"jsonrpc" : "2.0",
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"id" : 1,
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"result" : {
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"port" : 20333,
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"useragent" : "/NEO-GO:0.36.0-dev/",
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"nonce" : 9318417
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}
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}
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```
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### Supported methods
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| Method | Implemented |
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| ------- | ------------|
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| `getaccountstate` | Yes |
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| `getapplicationlog` | Yes |
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| `getassetstate` | Yes |
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| `getbestblockhash` | Yes |
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| `getblock` | Yes |
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| `getblockcount` | Yes |
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| `getblockhash` | Yes |
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| `getblockheader` | Yes |
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| `getblocksysfee` | Yes |
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| `getclaimable` | Yes |
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| `getconnectioncount` | Yes |
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| `getcontractstate` | Yes |
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| `getnep5balances` | Yes |
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| `getnep5transfers` | Yes |
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| `getpeers` | Yes |
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| `getrawmempool` | Yes |
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| `getrawtransaction` | Yes |
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| `getstorage` | Yes |
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| `gettransactionheight` | Yes |
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| `gettxout` | Yes |
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| `getunclaimed` | No (#712) |
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| `getunspents` | Yes |
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| `getvalidators` | Yes |
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| `getversion` | Yes |
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| `invoke` | Yes |
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| `invokefunction` | Yes |
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| `invokescript` | Yes |
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| `sendrawtransaction` | Yes |
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| `submitblock` | Yes |
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| `validateaddress` | Yes |
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### Unsupported methods
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Methods listed down below are not going to be supported for various reasons
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and we're not accepting issues related to them.
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| Method | Reason |
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| ------- | ------------|
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| `claimgas` | Doesn't fit neo-go wallet model, use CLI to do that |
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| `dumpprivkey` | Shouldn't exist for security reasons, see `claimgas` comment also |
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| `getbalance` | Use `getaccountstate` instead, see `claimgas` comment also |
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| `getmetricblocktimestamp` | Not really useful, use other means for node monitoring |
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| `getnewaddress` | See `claimgas` comment |
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| `getunclaimedgas` | Use `getunclaimed` instead, see `claimgas` comment also |
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| `getwalletheight` | Not applicable to neo-go, see `claimgas` comment |
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| `importprivkey` | Not applicable to neo-go, see `claimgas` comment |
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| `listaddress` | Not applicable to neo-go, see `claimgas` comment |
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| `listplugins` | neo-go doesn't have any plugins, so it makes no sense |
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| `sendfrom` | Not applicable to neo-go, see `claimgas` comment |
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| `sendmany` | Not applicable to neo-go, see `claimgas` comment |
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| `sendtoaddress` | Not applicable to neo-go, see `claimgas` comment |
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#### Implementation notices
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##### `invokefunction` and `invoke`
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neo-go's implementation of `invokefunction` and `invoke` does not return `tx`
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field in the answer because that requires signing the transaction with some
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key in the server which doesn't fit the model of our node-client interactions.
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Lacking this signature the transaction is almost useless, so there is no point
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in returning it.
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Both methods also don't currently support arrays in function parameters.
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## Reference
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* [JSON-RPC 2.0 Specification](http://www.jsonrpc.org/specification)
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* [NEO JSON-RPC 2.0 docs](https://docs.neo.org/docs/en-us/reference/rpc/latest-version/api.html)
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