Polygon

maticnetwork
polygon.technology
ChianId 137
解决 Ethereum 性能和效率问题
Proof of Stake
原币 MATIC
Layer-2 - 基于 Ethereum 合约
测试网络 Mumbai
- https://faucet.polygon.technology/
Adopted by: Aave, OpenSea, Curve, Decentraland, UniSwap, SushiSwap, CoinSwitch
参考
- https://polygonscan.com/
- https://polygontech.medium.com/

Validator

Matic is a hybrid Plasma + Proof-of-Stake (PoS)
Heimdall
- Matic PoS validator node
- checkpointing a representation of the Plasma blocks to the main chain
- 基于 Tendermint consensus engine
Bor - Block Producer layer
- Matic main node
- sidechain operator
- Geth+consensus algorithm
Docker
- maticnetwork/bor - Alpine 30MB
  - Ports: 30303 30303/udp 8545 8546 8547
  - /usr/local/bin/{bor,bootnode}
- maticnetwork/heimdall - Ubuntu 800MB
  - Ports: 1317, 26656, 26657
  - /go/bin
Snapshot - https://snapshots.matic.today/
- https://matic-blockchain-snapshots.s3-accelerate.amazonaws.com/matic-mainnet/bor-fullnode-snapshot-2022-03-16.tar.gz
  - 900G
- https://matic-blockchain-snapshots.s3-accelerate.amazonaws.com/matic-mainnet/heimdall-snapshot-2022-04-30.tar.gz
  - 140G

# install go,git,jq,rabbitmq-server

mkdir bin

git clone https://github.com/maticnetwork/bor.git
git clone https://github.com/maticnetwork/heimdall.git
(cd bor && make bor-all)
(cd heimdall && make install network=mainnet)

ln -s bor/build/bin/bor bin
ln -s bor/build/bin/bootnode bin
ln -s ~/go/bin/heimdalld bin
ln -s ~/go/bin/heimdallcli bin
ln -s ~/go/bin/bridge bin

mkdir ~/.heimdalld

git clone https://github.com/maticnetwork/launch.git
# node_type: sentry/sentry, sentry/validator, without-sentry
cp -rf launch/mainnet-v1/sentry/sentry ~/node

(cd ~/node/heimdall && bash setup.sh)
(cd ~/node/bor && bash setup.sh)
# 生产 systemd service 文件
# heimdalld.service, heimdalld-rest-server.service, heimdalld-bridge.service, bor.service
# (cd ~/node/mainnet-v1 && bash service.sh)

# /etc/matic, /etc/matic/metadata
mkdir /etc/matic
cp -rf launch/mainnet-v1/metadata /etc/matic/metadata

Validator​

Validator