build: update fcm script to work with HTTP API v1 and add a script to emulate a buy

Signed-off-by: Brandon McAnsh <git@bmcreations.dev>

Author: bmc08gt

scripts/fcm-buy-token.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+DEVICE_TOKEN=$1
+MINT=$2
+
+encode_payload() {
+    local mint="$1"
+    python3 -c "
+import base64, base58
+def varint(v):
+    r = b''
+    while v > 0x7F:
+        r += bytes([(v & 0x7F) | 0x80]); v >>= 7
+    return r + bytes([v & 0x7F])
+def field(num, data):
+    return varint((num << 3) | 2) + varint(len(data)) + data
+mint = base58.b58decode('$mint')
+assert len(mint) == 32, f'Expected 32-byte key, got {len(mint)}'
+print(base64.b64encode(field(1, field(1, field(1, mint)))).decode())
+"
+}
+
+PAYLOAD=$(encode_payload "$MINT")
+
+JSON_PAYLOAD=$(jq -n \
+  --arg payload "$PAYLOAD" \
+  --arg title "Purchase Successful" \
+  --arg body "You received 100.0 of some token" \
+  '{
+    flipcash_payload: $payload,
+    push_notification_title: $title,
+    push_notification_body: $body
+  }')
+
+"$SCRIPT_DIR/fcm.sh" "$DEVICE_TOKEN" "$JSON_PAYLOAD"

scripts/fcm.sh

@@ -1,22 +1,43 @@
 #!/bin/bash
 
-key="$1"
-token="$2"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"                                                                                                                                                                                                              
+                                                                                                                                                                                                                                                                        
+source "$SCRIPT_DIR/../.env.local"
 
-# Access the JSON object passed as the first argument
-contents="$3"
-
-data=$(cat <<-END
-{
-  "registration_ids":["${token}"],
-  "data": $contents
-}
-END
+ACCESS_TOKEN=$(python3 << EOF
+from google.oauth2 import service_account
+from google.auth.transport.requests import Request
+
+credentials = service_account.Credentials.from_service_account_file(
+    "$SERVER_SERVICE_ACCOUNT_KEY_JSON",
+    scopes=["https://www.googleapis.com/auth/firebase.messaging"]
 )
+credentials.refresh(Request())
+print(credentials.token)
+EOF
+)
+
+
+DEVICE_TOKEN=$1
+
+# Access the JSON object passed as the first argument
+contents="$2"
 
-  echo $data
+JSON_PAYLOAD=$(jq -n \
+  --arg token "$DEVICE_TOKEN" \
+  --argjson data "$contents" \
+  '{
+    message: {
+      token: $token,
+      android: {
+        priority: "high",
+        data: $data
+      }
+    }
+  }')
 
-curl -i -H 'Content-type: application/json' \
-  -H "Authorization: key=$key" \
-  -XPOST https://fcm.googleapis.com/fcm/send \
-  -d "$data"
+curl -X POST \
+  "https://fcm.googleapis.com/v1/projects/${FCM_PROJECT_ID}/messages:send" \
+  -H "Authorization: Bearer $ACCESS_TOKEN" \
+  -H "Content-Type: application/json" \
+  -d "$JSON_PAYLOAD"