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feat: per-channel hashcash proof-of-work for PRIVMSG anti-spam
Add per-channel hashcash requirement via MODE +H <bits>. When set,
PRIVMSG to the channel must include a valid hashcash stamp in the
meta.hashcash field bound to the channel name and message body hash.

Server validates stamp format, difficulty, date freshness, channel
binding, body hash binding, and proof-of-work. Spent stamps are
persisted to SQLite with 1-year TTL for replay prevention.

Stamp format: 1:bits:YYMMDD:channel:bodyhash:counter

Changes:
- Schema: add hashcash_bits column to channels, spent_hashcash table
- DB: queries for get/set channel hashcash bits, spent token CRUD
- Hashcash: ChannelValidator, BodyHash, StampHash, MintChannelStamp
- Handlers: validate hashcash on PRIVMSG, MODE +H/-H support
- Pass meta through fanOut chain to store in messages
- Prune spent hashcash tokens in cleanup loop (1-year TTL)
- Client: MintChannelHashcash helper for CLI
- Tests: 12 new channel_test.go + 10 new api_test.go integration tests
- README: document +H mode, stamp format, and usage
2026-03-17 04:53:33 -07:00

61 lines
1.8 KiB
Makefile

.PHONY: all build lint fmt fmt-check test check clean run debug docker hooks ensure-web-dist
BINARY := neoircd
VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
BUILDARCH := $(shell go env GOARCH)
LDFLAGS := -X main.Version=$(VERSION) -X main.Buildarch=$(BUILDARCH)
all: check build
# ensure-web-dist creates placeholder files so //go:embed dist/* in
# web/embed.go resolves without a full Node.js build. The real SPA is
# built by the web-builder Docker stage; these placeholders let
# "make test" and "make build" work outside Docker.
ensure-web-dist:
@if [ ! -d web/dist ]; then \
mkdir -p web/dist && \
touch web/dist/index.html web/dist/style.css web/dist/app.js && \
echo "==> Created placeholder web/dist/ for go:embed"; \
fi
build: ensure-web-dist
go build -ldflags "$(LDFLAGS)" -o bin/$(BINARY) ./cmd/neoircd
lint: ensure-web-dist
golangci-lint run --config .golangci.yml ./...
fmt:
gofmt -s -w .
goimports -w .
fmt-check:
@test -z "$$(gofmt -l .)" || (echo "Files not formatted:" && gofmt -l . && exit 1)
test: ensure-web-dist
go test -timeout 30s -v -race -cover ./...
# check runs all validation without making changes
# Used by CI and Docker build — fails if anything is wrong
check: test lint fmt-check
@echo "==> Building..."
go build -ldflags "$(LDFLAGS)" -o /dev/null ./cmd/neoircd
@echo "==> All checks passed!"
run: build
./bin/$(BINARY)
debug: build
DEBUG=1 GOTRACEBACK=all ./bin/$(BINARY)
clean:
rm -rf bin/ neoircd
docker:
docker build -t neoirc .
hooks:
@printf '#!/bin/sh\nset -e\n' > .git/hooks/pre-commit
@printf 'go mod tidy\ngo fmt ./...\ngit diff --exit-code -- go.mod go.sum || { echo "go mod tidy changed files; please stage and retry"; exit 1; }\n' >> .git/hooks/pre-commit
@printf 'make check\n' >> .git/hooks/pre-commit
@chmod +x .git/hooks/pre-commit