Hanzo AI 7496606282 rpcchainvm: zap-native only — delete every grpc-tagged path ...

The VM<->Node RPC plane is ZAP. Period. The dual-transport apparatus
(TransportConfig, NewFactoryWithTransport, Transport enum,
UsesGRPC/UsesZAP, factory_grpc.go vs factory_zap.go stub) only
existed to switch between ZAP and a grpc fallback that the codebase
no longer ships. Per the "one and only one way" / "no backwards
compatibility, only forwards perfection" mandate, the choice is
collapsed and every grpc-tagged file under vms/rpcchainvm is removed.

Deletions (36 files, ~4.3K lines):
  - factory_grpc.go, factory_zap.go, transport.go (the dual-transport
    routing + Transport enum)
  - vm.go, vm_client.go, vm_server.go, block_adapter.go, *_test.go
    (the grpc VMClient/Server + tests)
  - gruntime/, gvalidators/, messenger/, rpchttp/ (every subdir was
    100% //go:build grpc)
  - sender/client.go, sender/server.go (grpc Sender wire impls;
    sender.go + zap_client.go + zap_server.go stay)
  - runtime/subprocess/runtime_grpc.go (the gRPC subprocess.Bootstrap;
    runtime_zap.go is now the only Bootstrap)
  - vms/platformvm/warp/rpcwarp/signer_test.go (orphan grpc test that
    relied on the deleted proto/pb/warp)

Edits:
  - vms/rpcchainvm/factory.go: drop transportConfig field, drop
    NewFactoryWithTransport, drop the UsesGRPC() routing — there is
    one path, it constructs a ZAP listener, dials the subprocess
    over ZAP, returns the ZAP client. No branching.
  - vms/rpcchainvm/runtime/subprocess/runtime_zap.go: drop the
    `//go:build !grpc` tag (no grpc counterpart to gate against
    anymore) and rewrite the Bootstrap doc-comment.

go mod tidy result:
  - direct dep `google.golang.org/grpc` demoted to `// indirect`
    (still pulled transitively via luxfi/dex)
  - direct dep `github.com/grpc-ecosystem/go-grpc-prometheus`
    removed entirely

Verified:
  - `go build ./...` (default, no tags) clean
  - `go test -count=1 ./vms/rpcchainvm/...` clean
  - grep -rln 'google.golang.org/grpc' --include='*.go' under node/
    returns zero (the only google.golang.org/grpc strings left are
    in go.mod/go.sum/README/RELEASES/ci.yml/proto/Dockerfile)
  - grep 'grpc.Dial|NewServer|NewClient' in rpcchainvm returns zero

2026-05-16 17:11:31 -07:00

..

sender.go

clean: squash history (binaries stripped via filter-repo)

2026-04-13 03:45:21 -07:00

zap_client.go

clean: squash history (binaries stripped via filter-repo)

2026-04-13 03:45:21 -07:00

zap_server.go

clean: squash history (binaries stripped via filter-repo)

2026-04-13 03:45:21 -07:00