feat: enable ag-chain-cosmos Node.js debugging

packages/cosmic-swingset/Dockerfile

@@ -9,6 +9,7 @@ RUN go mod download
 
 COPY Makefile* *.go ./
 COPY app/ app/
+COPY bin/ bin/
 COPY x/ x/
 COPY cmd/ cmd/
 COPY lib/*.go lib/

packages/cosmic-swingset/Makefile

@@ -65,7 +65,7 @@ scenario1-run-chain:
 scenario1-run-client:
 	AG_SOLO_BASEDIR=t7 ve3/bin/ag-setup-solo --webhost=127.0.0.1:$(BASE_PORT)
 
-AGC = ./lib/ag-chain-cosmos
+AGC = ./bin/ag-chain-cosmos
 AGCH = ag-cosmos-helper
 scenario2-setup: all scenario2-setup-nobuild
 scenario2-setup-nobuild:
@@ -173,7 +173,7 @@ compile-gyp:
 install: go.sum
 	go install -v $(MOD_READONLY) $(BUILD_FLAGS) ./cmd/ag-cosmos-helper
 	bindir="$${GOBIN-$${GOPATH-$$HOME/go}/bin}"; \
-	  ln -sf "$$PWD/lib/ag-chain-cosmos" "$$PWD/bin/ag-nchainz" "$$bindir/"
+	  ln -sf "$$PWD/bin/ag-chain-cosmos" "$$PWD/bin/ag-nchainz" "$$bindir/"
 
 go.sum: go.mod
 	@echo "--> Ensure dependencies have not been modified"

packages/cosmic-swingset/bin/ag-chain-cosmos

@@ -0,0 +1,13 @@
+#! /bin/bash
+real0=$(readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}")
+thisdir=$(cd "$(dirname -- "$real0")" && pwd -P)
+nodeFlags=()
+while test $# -gt 0; do
+  case "$1" in
+  --inspect*) nodeFlags+=( "$1" ) ;;
+  *) break ;;
+  esac
+  shift
+done
+
+exec node ${nodeFlags[@]} "$thisdir/../lib/chain-entrypoint.js" ${1+"$@"}