* Responses to comments on previous tracing PR * Cleanup * Cleanup
16 KiB
Introduction
turbo-geth's rpcdaemon
runs in its own seperate process.
This brings many benefits including easier development, the ability to run multiple daemons at once, and the ability to run the daemon remotely. It is possible to run the daemon locally as well (read-only) if both processes have access to the data folder.
Getting Started
The rpcdaemon
gets built as part of the main turbo-geth
build process, but you can build it directly with this command:
make rpcdaemon
Running locally
If you have direct access to turbo-geth's database folder, you may run the rpcdaemon
locally. This may provide faster results.
After building, run this command to start the daemon locally:
./build/bin/rpcdaemon --chaindata ~/Library/TurboGeth/tg/chaindata --http.api=eth,debug,net,web3
Note that we've also specified which RPC commands to enable in the above command.
Running remotely
To start the daemon remotely, build it as described above, then run turbo-geth
in one terminal window:
./build/bin/tg --private.api.addr=localhost:9090
In another terminal window, start the daemon with the same --private-api
setting:
./build/bin/rpcdaemon --private.api.addr=localhost:9090
The daemon should respond with something like:
INFO [date-time] HTTP endpoint opened url=localhost:8545...
Testing
By default, the rpcdaemon
serves data from localhost:8545
. You may send curl
commands to see if things are working.
Try eth_blockNumber
for example. In a third terminal window enter this command:
curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id":1}' localhost:8545
This should return something along the lines of this (depending on how far your turbo-geth node has synced):
{
"jsonrpc": "2.0",
"id": 1,
"result":" 0xa5b9ba"
}
Open / Known Issues
There are still many open issues with the TurboGeth tracing routines. Please see this issue for the current open / known issues related to tracing.
RPC Implementation Status
The following table shows the current implementation status of turbo-geth's RPC daemon.
Command | Avail | Notes |
---|---|---|
web3_clientVersion | Yes | |
web3_sha3 | Yes | |
net_listening | HC | (hard coded returns true) |
net_peerCount | HC | (hard coded 25 - work continues on Sentry) |
net_version | Yes | |
eth_blockNumber | Yes | |
eth_chainID | Yes | |
eth_protocolVersion | Yes | |
eth_syncing | Yes | |
eth_gasPrice | - | |
eth_getBlockByHash | Yes | |
eth_getBlockByNumber | Yes | |
eth_getBlockTransactionCountByHash | Yes | |
eth_getBlockTransactionCountByNumber | Yes | |
eth_getHeaderByHash | Yes | turbo-geth only |
eth_getHeaderByNumber | Yes | turbo-geth only |
eth_getUncleByBlockHashAndIndex | Yes | |
eth_getUncleByBlockNumberAndIndex | Yes | |
eth_getUncleCountByBlockHash | Yes | |
eth_getUncleCountByBlockNumber | Yes | |
eth_getTransactionByHash | Yes | |
eth_getTransactionByBlockHashAndIndex | Yes | |
eth_getTransactionByBlockNumberAndIndex | Yes | |
eth_getTransactionReceipt | Yes | |
eth_getLogsByHash | Yes | turbo-geth only (all logs in block) |
eth_estimateGas | Yes | |
eth_getBalance | Yes | |
eth_getCode | Yes | |
eth_getTransactionCount | Yes | |
eth_getStorageAt | Yes | |
eth_call | Yes | |
eth_newFilter | - | |
eth_newBlockFilter | - | |
eth_newPendingTransactionFilter | - | |
eth_getFilterChanges | - | |
eth_getFilterLogs | - | |
eth_uninstallFilter | - | |
eth_getLogs | Yes | |
eth_accounts | - | |
eth_sendRawTransaction | Yes | |
eth_sendTransaction | - | |
eth_sign | - | |
eth_signTransaction | - | |
eth_signTypedData | - | |
eth_getProof | - | |
eth_mining | - | |
eth_coinbase | Yes | |
eth_hashrate | - | |
eth_submitHashrate | - | |
eth_getWork | - | |
eth_submitWork | - | |
debug_accountRange | Yes | Private turbo-geth debug module |
debug_getModifiedAccountsByNumber | Yes | |
debug_getModifiedAccountsByHash | Yes | |
debug_storageRangeAt | Yes | |
debug_traceTransaction | Yes | |
trace_call | - | not yet implemented (come help!) |
trace_callMany | - | not yet implemented (come help!) |
trace_rawTransaction | - | not yet implemented (come help!) |
trace_replayBlockTransactions | - | not yet implemented (come help!) |
trace_replayTransaction | - | not yet implemented (come help!) |
trace_block | Limited | working - has known issues |
trace_filter | Limited | working - has known issues |
trace_get | Limited | working - has known issues |
trace_transaction | Limited | working - has known issues |
eth_getCompilers | No | depreciated |
eth_compileLLL | No | depreciated |
eth_compileSolidity | No | depreciated |
eth_compileSerpent | No | depreciated |
db_putString | No | depreciated |
db_getString | No | depreciated |
db_putHex | No | depreciated |
db_getHex | No | depreciated |
shh_post | No | depreciated |
shh_version | No | depreciated |
shh_newIdentity | No | depreciated |
shh_hasIdentity | No | depreciated |
shh_newGroup | No | depreciated |
shh_addToGroup | No | depreciated |
shh_newFilter | No | depreciated |
shh_uninstallFilter | No | depreciated |
shh_getFilterChanges | No | depreciated |
shh_getMessages | No | depreciated |
This table is constantly updated. Please visit again.
Securing the communication between RPC daemon and TG instance via TLS and authentication
In some cases, it is useful to run Turbo-Geth nodes in a different network (for example, in a Public cloud), but RPC daemon locally. To ensure the integrity of communication and access control to the Turbo-Geth node, TLS authentication can be enabled. On the high level, the process consists of these steps (this process needs to be done for any "cluster" of turbo-geth and RPC daemon nodes that are supposed to work together):
- Generate key pair for the Certificate Authority (CA). The private key of CA will be used to authorise new turbo-geth instances as well as new RPC daemon instances, so that they can mutually authenticate.
- Create CA certificate file that needs to be deployed on any turbo-geth instance and any RPC daemon. This CA cerf file is used as a "root of trust", whatever is in it, will be trusted by the participants when they authenticate their counterparts.
- For each turbo-geth instance and each RPC daemon instance, generate a key pair. If you are lazy, you can generate one pair for all turbo-geth nodes, and one pair for all RPC daemons, and copy these keys around.
- Using the CA private key, create cerificate file for each public key generated on the previous step. This effectively "inducts" these keys into the "cluster of trust".
- On each instance, deploy 3 files - CA certificate, instance key, and certificate signed by CA for this instance key.
Following is the detailed description of how it can be done using openssl
suite of tools.
Generate CA key pair using Elliptic Curve (as opposed to RSA). The generated CA key will be in the file CA-key.pem
. Access to this file will allow anyone to later include any new instance key pair into the "cluster of trust", so keep it secure.
openssl ecparam -name prime256v1 -genkey -noout -out CA-key.pem
Create CA self-signed certificate (this command will ask questions, answers aren't important for now). The file created by this command is CA-cert.pem
openssl req -x509 -new -nodes -key CA-key.pem -sha256 -days 3650 -out CA-cert.pem
For turbo-geth node, generate a key pair:
openssl ecparam -name prime256v1 -genkey -noout -out TG-key.pem
Also, generate one for the RPC daemon:
openssl ecparam -name prime256v1 -genkey -noout -out RPC-key.pem
Now create cerificate signing request for turbo-geth key pair:
openssl req -new -key TG-key.pem -out TG.csr
And from this request, produce the certificate (signed by CA), proving that this key is now part of the "cluster of trust"
openssl x509 -req -in TG.csr -CA CA-cert.pem -CAkey CA-key.pem -CAcreateserial -out TG.crt -days 3650 -sha256
Then, produce the certificate signing request for RPC daemon key pair:
openssl req -new -key RPC-key.pem -out RPC.csr
And from this request, produce the certificate (signed by CA), proving that this key is now part of the "cluster of trust"
openssl x509 -req -in RPC.csr -CA CA-cert.pem -CAkey CA-key.pem -CAcreateserial -out RPC.crt -days 3650 -sha256
When this is all done, these three files need to be placed on the machine where turbo-geth is running: CA-cert.pem
, TG-key.pem
, TG.crt
. And turbo-geth needs to be run with these extra options:
--tls --tls.cacert CA-cert.pem --tls.key TG-key.pem --tls.cert TG.crt
On the RPC daemon machine, these three files need to be placed: CA-cert.pem
, RPC-key.pem
, and RPC.crt
. And RPC daemon needs to be started with these extra options:
--tls.key RPC-key.pem --tls.cacert CA-cert.pem --tls.cert RPC.crt
WARNING Normally, the "client side" (which in our case is RPC daemon), verifies that the host name of the server matches the "Common Name" attribute of the "server" cerificate. At this stage, this verification is turned off, and it will be turned on again once we have updated the instruction above on how to properly generate cerificates with "Common Name".
When running turbo-geth instance in the Google Cloud, for example, you need to specify the Internal IP in the --private.api.addr
option. And, you will need to open the firewall on the port you are using, to that connection to the turbo-geth instances can be made.
For Developers
Code generation
go.mod
stores right version of generators, use make grpc
to install it and generate code.
Recommended protoc
version is 3.x. Installation instructions