Merge pull request #1 from dfinity/api

feat(devops): Create the cycles depositor args automatically

dfx.json

@@ -1,5 +1,5 @@
 {
-	"dfx": "0.20.0",
+	"dfx": "0.23.0",
 	"canisters": {
 		"example_paid_service": {
 			"candid": "src/example/paid_service/example-paid-service.did",
@@ -26,9 +26,12 @@
 			}
 		},
 		"cycles_depositor": {
+			"dependencies": ["cycles_ledger"],
 			"type": "custom",
-			"candid": "https://github.com/dfinity/cycles-ledger/releases/download/cycles-ledger-v1.0.1/depositor.did",
-			"wasm": "https://github.com/dfinity/cycles-ledger/releases/download/cycles-ledger-v1.0.1/depositor.wasm.gz"
+			"build": "scripts/build.cycles_depositor.sh",
+			"init_arg_file": "out/cycles_depositor.args.did",
+			"wasm": "out/cycles_depositor.wasm.gz",
+			"candid": "out/cycles_depositor.did"
 		}
 	},
 	"defaults": {

scripts/build.cycles_depositor.args.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+print_help() {
+  cat <<-EOF
+	Creates the cycles_depositor installation arguments.
+
+	The file is installed at the location defined for 'cycles_depositor' in 'dfx.json'.
+	EOF
+}
+
+[[ "${1:-}" != "--help" ]] || {
+  print_help
+  exit 0
+}
+
+DFX_NETWORK="${DFX_NETWORK:-local}"
+ARG_FILE="$(jq -r .canisters.cycles_depositor.init_arg_file dfx.json)"
+
+####
+# Computes the install args, overwriting any existing args file.
+
+CANISTER_ID_CYCLES_LEDGER="${CANISTER_ID_CYCLES_LEDGER:-$(dfx canister id cycles_ledger --network "$DFX_NETWORK")}"
+
+# .. Creates the init args file
+rm -f "$ARG_FILE"
+mkdir -p "$(dirname "$ARG_FILE")"
+cat <<EOF >"$ARG_FILE"
+(record { ledger_id = principal "$CANISTER_ID_CYCLES_LEDGER" })
+EOF
+
+####
+# Success
+cat <<EOF
+SUCCESS: The cycles_depositor argument file has been created:
+cycles_depositor install args: $(sha256sum "$ARG_FILE")
+EOF

scripts/build.cycles_depositor.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+print_help() {
+  cat <<-EOF
+		Creates the cycles_depositor installation files:
+
+		- The Wasm and Candid files are downloaded.
+		- The installation args are computed based on the target network,
+		      determined by the DFX_NETWORK environment variable.
+
+		The files are installed at at the locations defined for 'cycles_depositor' in 'dfx.json'.
+	EOF
+}
+
+[[ "${1:-}" != "--help" ]] || {
+  print_help
+  exit 0
+}
+
+DFX_NETWORK="${DFX_NETWORK:-local}"
+
+LEDGER_RELEASE="v1.0.1"
+CANDID_URL="https://github.com/dfinity/cycles-ledger/releases/download/cycles-ledger-${LEDGER_RELEASE}/depositor.did"
+WASM_URL="https://github.com/dfinity/cycles-ledger/releases/download/cycles-ledger-${LEDGER_RELEASE}/depositor.wasm.gz"
+
+CANDID_FILE="$(jq -r .canisters.cycles_depositor.candid dfx.json)"
+WASM_FILE="$(jq -r .canisters.cycles_depositor.wasm dfx.json)"
+ARG_FILE="$(jq -r .canisters.cycles_depositor.init_arg_file dfx.json)"
+
+####
+# Downloads the candid file, if it does not exist already.
+if test -e "$CANDID_FILE"; then
+  echo "Using existing cycles_depositor candid file"
+else
+  mkdir -p "$(dirname "$CANDID_FILE")"
+  curl -sSL "$CANDID_URL" >"$CANDID_FILE"
+fi
+
+####
+# Downloads the Wasm file, if it does not exist already.
+if test -e "$WASM_FILE"; then
+  echo "Using existing cycles_depositor Wasm file"
+else
+  mkdir -p "$(dirname "$WASM_FILE")"
+  curl -sSL "$WASM_URL" >"$WASM_FILE"
+fi
+
+####
+# Computes the install args, overwriting any existing args file.
+scripts/build.cycles_depositor.args.sh
+
+# Success
+cat <<EOF
+SUCCESS: The cycles_depositor installation files have been created:
+cycles_depositor candid:       $CANDID_FILE
+cycles_depositor Wasm:         $WASM_FILE
+cycles_depositor install args: $ARG_FILE
+EOF