{
  "name": "Kraken_REST_API_Example",
  "nodes": [
    {
      "parameters": {},
      "name": "Start",
      "type": "n8n-nodes-base.start",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 12
            }
          ]
        }
      },
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "typeVersion": 1,
      "position": [
        50,
        1100
      ]
    },
    {
      "parameters": {
        "unit": "minutes"
      },
      "name": "Interval",
      "type": "n8n-nodes-base.interval",
      "typeVersion": 1,
      "position": [
        50,
        1400
      ],
      "disabled": true
    },
    {
      "parameters": {
        "chatId": "-557603531",
        "text": "={{$json[\"Message\"]}}",
        "additionalFields": {}
      },
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1,
      "position": [
        1400,
        1450
      ],
      "credentials": {
        "telegramApi": "N8N Workflows"
      }
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "API Public Key",
              "value": "zu2Z/3ivwwtLO3f2xOdJAEmIDbTdYnTM2B7edxXCI57a8r0j6GQITDtz"
            },
            {
              "name": "API Private Key",
              "value": "OUfFLoPP5cB3NIEWJTIy1nsfn3axqQhk39Dle0qsxMznnLj3CBIIayXkXPtTXJRcGA3RtuKuw5119R33PTT5ig=="
            },
            {
              "name": "Currency Pair",
              "value": "DOGE/USD"
            },
            {
              "name": "Amount",
              "value": "50"
            }
          ],
          "number": []
        },
        "options": {}
      },
      "name": "API Settings",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        200,
        1250
      ],
      "notesInFlow": false
    },
    {
      "parameters": {
        "type": "SHA256",
        "value": "={{$json[\"api_nonce\"] + $json[\"api_json\"]}}",
        "encoding": "base64"
      },
      "name": "API auth 1",
      "type": "n8n-nodes-base.crypto",
      "typeVersion": 1,
      "position": [
        500,
        1250
      ]
    },
    {
      "parameters": {
        "action": "hmac",
        "type": "SHA512",
        "value": "={{Buffer.concat([Buffer.from($json.api_path, 'utf8'), Buffer.from($json[\"data\"], \"base64\")])}}",
        "secret": "={{Buffer.from($node['API Settings'].json['API Private Key'], 'base64')}}",
        "encoding": "base64"
      },
      "name": "API auth 2",
      "type": "n8n-nodes-base.crypto",
      "typeVersion": 1,
      "position": [
        650,
        1250
      ]
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "={{'https://api.kraken.com' + $node['API auth 2'].json[\"api_path\"]}}",
        "allowUnauthorizedCerts": true,
        "jsonParameters": true,
        "options": {
          "bodyContentType": "raw"
        },
        "bodyParametersJson": "={{$json[\"api_json\"]}}",
        "headerParametersJson": "={{{\"API-Key\":$node[\"API Settings\"].json[\"API Public Key\"], \"API-Sign\":$json[\"data\"], \"Content-type\":\"application/json\"}}}"
      },
      "name": "API request",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [
        800,
        1250
      ]
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$json[\"error\"][0]}}",
              "operation": "isEmpty"
            }
          ],
          "boolean": []
        }
      },
      "name": "API error check",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        950,
        1250
      ]
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"API request\"].parameter[\"url\"]}}",
              "operation": "endsWith",
              "value2": "AddOrder"
            }
          ],
          "boolean": []
        }
      },
      "name": "Logic 1",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        1100,
        1230
      ]
    },
    {
      "parameters": {
        "functionCode": "const api_path = '/0/private/Balance';\nconst api_nonce = Date.now().toString();\nconst api_json = '{\"assetVersion\":\"1\", \"nonce\":\"' + api_nonce + '\"}';\nconst api_variables = [];\napi_variables.push({\"json\":{\"api_path\":api_path, \"api_nonce\":api_nonce, \"api_json\":api_json}});\nreturn api_variables;"
      },
      "name": "JavaScript 2",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        650,
        1050
      ]
    },
    {
      "parameters": {
        "functionCode": "const api_base = $node['API Settings'].json['Currency Pair'].split('/')[0];\nconst api_quote = $node['API Settings'].json['Currency Pair'].split('/')[1];\nconst api_path = '/0/private/AddOrder';\nconst api_nonce = Date.now().toString();\nconst api_json = '{\"pair\":\"' + $node['API Settings'].json['Currency Pair'] + '\", \"type\":\"buy\", \"ordertype\":\"market\", \"volume\":\"' + $node['API Settings'].json['Amount'] + '\", \"assetVersion\":\"1\", \"nonce\":\"' + api_nonce + '\"}';\nconst api_variables = [];\napi_variables.push({\"json\":{\"api_base\":api_base, \"api_quote\":api_quote, \"api_path\":api_path, \"api_nonce\":api_nonce, \"api_json\":api_json}});\nreturn api_variables;"
      },
      "name": "JavaScript 1",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        350,
        1250
      ]
    },
    {
      "parameters": {
        "keepOnlySet": true,
        "values": {
          "string": [
            {
              "name": "Message",
              "value": "={{\"Your new \" + $node[\"JavaScript 1\"].json[\"api_base\"] + \" balance is \" + $json['result'][$node[\"JavaScript 1\"].json[\"api_base\"]]}}"
            }
          ],
          "number": []
        },
        "options": {}
      },
      "name": "TG message 1",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        1250,
        1250
      ]
    },
    {
      "parameters": {
        "keepOnlySet": true,
        "values": {
          "string": [
            {
              "name": "Message",
              "value": "={{\"Your \" + $node[\"API Settings\"].json[\"Currency Pair\"] + \" purchase failed because you do not have enough \" + $node[\"JavaScript 1\"].json[\"api_quote\"]}}"
            }
          ],
          "number": []
        },
        "options": {}
      },
      "name": "TG message 2",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        1100,
        1450
      ]
    }
  ],
  "connections": {
    "Cron": {
      "main": [
        [
          {
            "node": "API Settings",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Interval": {
      "main": [
        [
          {
            "node": "API Settings",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API Settings": {
      "main": [
        [
          {
            "node": "JavaScript 1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API auth 1": {
      "main": [
        [
          {
            "node": "API auth 2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API auth 2": {
      "main": [
        [
          {
            "node": "API request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API request": {
      "main": [
        [
          {
            "node": "API error check",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "API error check": {
      "main": [
        [
          {
            "node": "Logic 1",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "TG message 2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Logic 1": {
      "main": [
        [
          {
            "node": "JavaScript 2",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "TG message 1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "JavaScript 2": {
      "main": [
        [
          {
            "node": "API auth 1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "JavaScript 1": {
      "main": [
        [
          {
            "node": "API auth 1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "TG message 1": {
      "main": [
        [
          {
            "node": "Telegram",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "TG message 2": {
      "main": [
        [
          {
            "node": "Telegram",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {},
  "id": "1005"
}