[Informative] Upgrade Testnet to 2.3.0-beta1

Features include:

• Refactor Code to have better naming convension
• EIP Upgrade for TX pool
• extend eth_call and estimateGas api with state
• Add debug_traceCall API

Release Change Log

https://github.com/XinFinOrg/XDPoSChain/releases/tag/v2.3.0-beta1

Upgrade on Docker at Xinfin-Node:

git clone https://github.com/XinFinOrg/XinFin-Node.git
cd XinFin-Node/testnet
git pull && ./docker-up.sh

Native Build

git clone https://github.com/XinFinOrg/XDPoSChain.git
cd XDPoSChain
mv ./common/constants/constants.go.testnet ./common/constants.go
make XDC