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ROSETTA XDC.Network IS CONSIDERED ALPHA SOFTWARE. USE AT YOUR OWN RISK! COINBASE ASSUMES NO RESPONSIBILITY OR LIABILITY IF THERE IS A BUG IN THIS IMPLEMENTATION.

xdc-rosetta provides a reference implementation of the Rosetta API for XDC.Network in Golang. If you haven't heard of the Rosetta API, you can find more information here.

• Comprehensive tracking of all ETH balance changes
• Stateless, offline, curve-based transaction construction (with address checksum validation)
• Atomic balance lookups using go-ethereum's GraphQL Endpoint
• Idempotent access to all transaction traces and receipts

xdc-rosetta has been tested on an AWS c5.2xlarge instance. This instance type has 8 vCPU and 16 GB of RAM. If you use a computer with less than 16 GB of RAM, it is possible that xdc-rosetta will exit with an OOM error.

To increase the load xdc-rosetta can handle, it is recommended to tune your OS settings to allow for more connections. On a linux-based OS, you can run the following commands (source):

sysctl -w net.ipv4.tcp_tw_reuse=1
sysctl -w net.core.rmem_max=16777216
sysctl -w net.core.wmem_max=16777216
sysctl -w net.ipv4.tcp_max_syn_backlog=10000
sysctl -w net.core.somaxconn=10000
sysctl -p (when done)

We have not tested xdc-rosetta with net.ipv4.tcp_tw_recycle and do not recommend enabling it.

You should also modify your open file settings to 100000. This can be done on a linux-based OS with the command: ulimit -n 100000.

As specified in the Rosetta API Principles, all Rosetta implementations must be deployable via Docker and support running via either an online or offline mode.

YOU MUST INSTALL DOCKER FOR THE FOLLOWING INSTRUCTIONS TO WORK. YOU CAN DOWNLOAD DOCKER HERE.

Running the following commands will create a Docker image called xdc-rosetta:latest.

To download the pre-built Docker image from the latest release, run:

curl -sSfL https://raw.githubusercontent.com/coinbase/xdc-rosetta/master/install.sh | sh -s

Do not try to install xdc-rosetta using GitHub Packages!

After cloning this repository, run:

make build-local

Running the following commands will start a Docker container in detached mode with a data directory at <working directory>/XDC-data and the Rosetta API accessible at port 8080.

• MODE (required) - Determines if Rosetta can make outbound connections. Options: ONLINE or OFFLINE.
• NETWORK (required) - XDC network to launch and/or communicate with. Options: MAINNET,TESTNET or DEVNET.
• PORT(required) - Which port to use for Rosetta.
• GETH (optional) - Point to a remote XDC node instead of initializing one
• SKIP_GETH_ADMIN (optional, default: FALSE) - Instruct Rosetta to not use the geth admin RPC calls. This is typically disabled by hosted blockchain node services.

docker run -d --rm --ulimit "nofile=100000:100000" -v "$(pwd)/XDC-data:/data" -e "MODE=ONLINE" -e "NETWORK=MAINNET" -e "PORT=8080" -p 8080:8080 -p 30303:30303 xdc-rosetta:latest

If you cloned the repository, you can run make run-mainnet-online.

docker run -d --rm --ulimit "nofile=100000:100000" -e "MODE=ONLINE" -e "NETWORK=MAINNET" -e "PORT=8080" -e "GETH=<NODE URL>" -p 8080:8080 -p 30303:30303 xdc-rosetta:latest

If you cloned the repository, you can run make run-mainnet-remote geth=<NODE URL>.

docker run -d --rm -e "MODE=OFFLINE" -e "NETWORK=MAINNET" -e "PORT=8081" -p 8081:8081 xdc-rosetta:latest

If you cloned the repository, you can run make run-mainnet-offline.

docker run -d --rm --ulimit "nofile=100000:100000" -v "$(pwd)/XDC-data:/data" -e "MODE=ONLINE" -e "NETWORK=TESTNET" -e "PORT=8080" -p 8080:8080 -p 30303:30303 xdc-rosetta:latest

If you cloned the repository, you can run make run-testnet-online.

docker run -d --rm --ulimit "nofile=100000:100000" -e "MODE=ONLINE" -e "NETWORK=TESTNET" -e "PORT=8080" -e "GETH=<NODE URL>" -p 8080:8080 -p 30303:30303 xdc-rosetta:latest

If you cloned the repository, you can run make run-testnet-remote geth=<NODE URL>.

docker run -d --rm -e "MODE=OFFLINE" -e "NETWORK=TESTNET" -e "PORT=8081" -p 8081:8081 xdc-rosetta:latest

If you cloned the repository, you can run make run-testnet-offline.

To validate xdc-rosetta, install rosetta-cli and run one of the following commands:

• rosetta-cli check:data --configuration-file rosetta-cli-conf/testnet/config.json - This command validates that the Data API implementation is correct using the ethereum testnet node. It also ensures that the implementation does not miss any balance-changing operations.
• rosetta-cli check:construction --configuration-file rosetta-cli-conf/testnet/config.json - This command validates the Construction API implementation. It also verifies transaction construction, signing, and submissions to the testnet network.
• rosetta-cli check:data --configuration-file rosetta-cli-conf/mainnet/config.json - This command validates that the Data API implementation is correct using the ethereum mainnet node. It also ensures that the implementation does not miss any balance-changing operations.

Interested in helping fix issues in this repository? You can find to-dos in the Issues section. Be sure to reach out on our community before you tackle anything on this list.

• make deps to install dependencies
• make test to run tests
• make lint to lint the source code
• make salus to check for security concerns
• make build-local to build a Docker image from the local context
• make coverage-local to generate a coverage report

This project is available open source under the terms of the Apache 2.0 License.

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