Singleton SherpaX

Based on Substrate framework, Singleton SherpaX Chain is a blockchain adopting aura + grandpa consensus algorithm.

How to use/test locally

1. Supported dependencies

It should at least work until the following commits

• Substrate: polkadot-v0.9.18 @ fc3fd073d3a0acf9933c3994b660ebd7b5833f65
• ChainX frontier: polkadot-v0.9.18 @ eb579d4dda77724be438bf090596b347ca6a5a37

2. Local Test

2.1 quick start

 ./target/release/sherpax --dev --tmp --rpc-port 8546 --rpc-cors=all -levm=trace

2.2 full start

2.2.1 alice

./target/release/sherpax \
    --chain=local \
    -d ./data/alice \
    --alice \
    --ws-port 9944 \
    --port 30331

2.2.2 bob

./target/release/sherpax \
    --chain=local \
    -d ./data/bob \
    --bob \
    --ws-port 9945 \
    --port 30332

2.2.3 full

 ./target/release/sherpax \
    --chain=local \
    -d ./data/sherpax-full \
    --execution=wasm \
    --state-cache-size=0 \
    --prometheus-external \
    --pruning=archive \
    --rpc-cors=all \
    --rpc-external \
    --rpc-port 8546 \
    --ws-external \
    --ws-port 9977 \
    --ws-max-connections 10000 \
    --port 30333 \
    -levm=trace

3. Evm support

3.1 metamask (for account)

Network Name: sherpax
New RPC URL: http://127.0.0.1:8546
Chain ID: 1506
Currency Symbol: KSX
Block Explorer URL:

Refer Connect MetaMask to Moonbase Alpha

3.2 Remix (for contract)

Refer Interacting with Moonbeam Using Remix

3.3 Ethereum apis

• Ethereum JSON-RPC.postman_collection
• Ethereum RPC Support
• QuickNode Ethereum RPC
• Ethereum JSON-RPC Wiki

3.4 frontier account

How does frontier manage the substrate account and ethereum account

4. Assets Bridge

Refer AssetsBridge

5. SherpaX Mainnet

shrepax mainnet chainspec(76MB, tar.gz)

tar zxvf ./node/res/sherpax-raw.json.tar.gz -C ./node/res/

or sherpax_mainnet_chainspec(276MB)

./target/release/sherpax --chain=./node/res/sherpax-raw.json --tmp