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README.md

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chainsaw

Tech Stack

  • Typescript/Javascript
  • GraphQL
  • Solidity
  • Hyperledger Besu
  • Tessera - Configuring a network that supports private transactions requires starting a Tessera node for each Hyperledger Besu node.
  • To create privacy-enabled network, have used IBFT 2.0

Architecture

User Stories

  • Grafana Loki Monitoring
  • Hyperledger Fabric -> Hyperledger Besu
  • Vulnerability Check
  • Generating dicom Metadata and storing in Private network
  • Privacy Enabled Network
  • Permissioned Based Network
  • Create UI for user interaction
  • Zero-Fees Transaction
  • Continous Delivery / Integration

Design

Start Nodes

Node-1

besu --data-path=data --genesis-file=../genesis.json --permissions-accounts-contract-enabled --permissions-accounts-contract-address "0x0000000000000000000000000000000000008888" --permissions-nodes-contract-enabled  --permissions-nodes-contract-address "0x0000000000000000000000000000000000009999" --permissions-nodes-contract-version=2 --rpc-http-enabled --rpc-http-cors-origins="*" --rpc-http-api=ADMIN,ETH,NET,PERM,IBFT --host-allowlist="*"

Node-2

besu --data-path=data --genesis-file=../genesis.json --bootnodes=<Node-1 Enode URL> --permissions-accounts-contract-enabled --permissions-accounts-contract-address "0x0000000000000000000000000000000000008888" --permissions-nodes-contract-enabled  --permissions-nodes-contract-address "0x0000000000000000000000000000000000009999" --permissions-nodes-contract-version=2 --rpc-http-enabled --rpc-http-cors-origins="*" --rpc-http-api=ADMIN,ETH,NET,PERM,IBFT --host-allowlist="*" --p2p-port=30304 --rpc-http-port=8546

Node-3

besu --data-path=data --genesis-file=../genesis.json --bootnodes=<Node-1 Enode URL> --permissions-accounts-contract-enabled --permissions-accounts-contract-address "0x0000000000000000000000000000000000008888" --permissions-nodes-contract-enabled  --permissions-nodes-contract-address "0x0000000000000000000000000000000000009999" --permissions-nodes-contract-version=2 --rpc-http-enabled --rpc-http-cors-origins="*" --rpc-http-api=ADMIN,ETH,NET,PERM,IBFT --host-allowlist="*" --p2p-port=30305 --rpc-http-port=8547

Node-4

besu --data-path=data --genesis-file=../genesis.json --bootnodes=<Node-1 Enode URL> --permissions-accounts-contract-enabled --permissions-accounts-contract-address "0x0000000000000000000000000000000000008888" --permissions-nodes-contract-enabled  --permissions-nodes-contract-address "0x0000000000000000000000000000000000009999" --permissions-nodes-contract-version=2 --rpc-http-enabled --rpc-http-cors-origins="*" --rpc-http-api=ADMIN,ETH,NET,PERM,IBFT --host-allowlist="*" --p2p-port=30306 --rpc-http-port=8548

Permission configuration for Node-1

curl -X POST --data '{"jsonrpc":"2.0","method":"perm_addNodesToAllowlist","params":[["<EnodeNode1>","<EnodeNode2>","<EnodeNode3>","EnodeNode4"]], "id":1}' http://127.0.0.1:8545

curl -X POST --data '{"jsonrpc":"2.0","method":"perm_addNodesToAllowlist","params":[["<EnodeNode1>","<EnodeNode2>","<EnodeNode3>","EnodeNode4"]], "id":1}' http://127.0.0.1:8546

curl -X POST --data '{"jsonrpc":"2.0","method":"perm_addNodesToAllowlist","params":[["<EnodeNode1>","<EnodeNode2>","<EnodeNode3>","EnodeNode4"]], "id":1}' http://127.0.0.1:8547

curl -X POST --data '{"jsonrpc":"2.0","method":"perm_addNodesToAllowlist","params":[["<EnodeNode1>","<EnodeNode2>","<EnodeNode3>","EnodeNode4"]], "id":1}' http://127.0.0.1:8548

Add peers for Node-1

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode1>"],"id":1}' http://127.0.0.1:8546

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode1>"],"id":1}' http://127.0.0.1:8547

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode1>"],"id":1}' http://127.0.0.1:8548

Add peers for Node-2

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode2>"],"id":1}' http://127.0.0.1:8547

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode2>"],"id":1}' http://127.0.0.1:8548

Add peers for Node-3

curl -X POST --data '{"jsonrpc":"2.0","method":"admin_addPeer","params":["<EnodeNode3>"],"id":1}' http://127.0.0.1:8548

Confirm permissioned network is working

curl -X POST --data '{"jsonrpc":"2.0","method":"net_peerCount","params":[],"id":1}' localhost:8545