# Gas Report (Channels)

From: `forge test --match-path 'test/channels/*.t.sol' --gas-report`

PaymentChannelManager: Deployment ~1.26M. openChannel ~132–173k, fundChannel ~57k, closeChannelCooperative ~67k, submitClose ~139k, challengeClose ~33–65k, finalizeClose ~31–58k.

GenericStateChannelManager: Deployment ~1.28M. openChannel ~176k, fundChannel ~57k, closeChannelCooperative ~68k, submitClose ~162k.

Re-run the command above for current numbers. E2E tests add full-flow gas; see test output.