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README.md

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Snapshot strategies

Development

Install dependencies

npm install

Build package

npm run build

Test strategy

# Test default strategy (erc20-balance-of)
npm run test
# Test strategy with name
npm run test --strategy=erc20-received
npm run test --strategy=eth-balance
# Test with more addresses from addresses.json
npm run test --strategy=eth-balance --more=200

Local network test strategy

Testing using a custom network (e.g. dev testing or CI) overrides the default networks, requiring a few extra steps.

1. Create your network
  • JSON-RPC endpoint accessible from script run location.
  • Governance contract (e.g. your ERC20 contract) deployed and populated with test data.
  • Multicall contract deployed (used by snapshot to aggregate data retrieval calls).
2. Update your networks file (e.g. network/local.json)
  • multicall; Multicall contract address on your network.
  • chainId; Chain Id matching that of your created network.
  • rpc; connection details for your JSON-RPC endpoint.
3. Update your Strategy test data (e.g. example.json)
  • strategy address; governance contract address from deployment on your network.
  • addresses; test accounts created earlier when creating your network.
  • snapshot; to an appropriate block height for your network.
4. Test
# Test default strategy (erc20-balance-of) using local.json networks file
npm run test --network=../../network/local.json

License

MIT.