cosmos-sdk/contrib/rosetta/configuration/staking.ros

request_funds(1){
  find_account{
    currency = {"symbol":"stake", "decimals":0};
    random_account = find_balance({
      "minimum_balance":{
        "value": "0",
        "currency": {{currency}}
      },
      "create_limit":1
    });
  },
  send_funds{
    account_identifier = {{random_account.account_identifier}};
    address = {{account_identifier.address}};
    idk = http_request({
      "method": "POST",
      "url": "http:\/\/faucet:8000",
      "timeout": 10,
      "body": {{random_account.account_identifier.address}}
    });
  },
  // Create a separate scenario to request funds so that
  // the address we are using to request funds does not
  // get rolled back if funds do not yet exist.
  request{
    loaded_account = find_balance({
      "account_identifier": {{random_account.account_identifier}},
      "minimum_balance":{
        "value": "100",
        "currency": {{currency}}
      }
    });
  }
}
create_account(1){
  create{
    network = {"network":"network", "blockchain":"app"};
    key = generate_key({"curve_type": "secp256k1"});
    account = derive({
      "network_identifier": {{network}},
      "public_key": {{key.public_key}}
    });
    // If the account is not saved, the key will be lost!
    save_account({
      "account_identifier": {{account.account_identifier}},
      "keypair": {{key}}
    });
  }
}

staking(1){
  stake{
    stake.network = {"network":"network", "blockchain":"app"};
    currency = {"symbol":"stake", "decimals":0};
    sender = find_balance({
      "minimum_balance":{
        "value": "100",
        "currency": {{currency}}
      }
    });
    // Set the recipient_amount as some value <= sender.balance-max_fee
    max_fee = "0";
    fee_amount = "1";
    fee_value = 0 - {{fee_amount}};
    available_amount = {{sender.balance.value}} - {{max_fee}};
    recipient_amount = "1";
    print_message({"recipient_amount":{{recipient_amount}}});
    // Find recipient and construct operations
    recipient = {{sender.account_identifier}};
    sender_amount = 0 - {{recipient_amount}};
    stake.confirmation_depth = "1";
    stake.operations = [
      {
        "operation_identifier":{"index":0},
        "type":"fee",
        "account":{{sender.account_identifier}},
        "amount":{
          "value":{{fee_value}},
          "currency":{{currency}}
        }
      },
      {
        "operation_identifier":{"index":1},
        "type":"cosmos.staking.v1beta1.MsgDelegate",
        "account":{{sender.account_identifier}},
        "amount":{
          "value":{{sender_amount}},
          "currency":{{currency}}
        }
      },
      {
        "operation_identifier":{"index":2},
        "type":"cosmos.staking.v1beta1.MsgDelegate",
        "account": {
            "address": "staking_account",
            "sub_account": {
                "address" : "cosmosvaloper158nkd0l9tyemv2crp579rmj8dg37qty86kaut5"
            }
        },
        "amount":{
          "value":{{recipient_amount}},
          "currency":{{currency}}
        }
      }
    ];
  },
  undelegate{
    print_message({"undelegate":{{sender}}});

    undelegate.network = {"network":"network", "blockchain":"app"};
    undelegate.confirmation_depth = "1";
    undelegate.operations = [
          {
            "operation_identifier":{"index":0},
            "type":"fee",
            "account":{{sender.account_identifier}},
            "amount":{
              "value":{{fee_value}},
              "currency":{{currency}}
            }
          },
          {
            "operation_identifier":{"index":1},
            "type":"cosmos.staking.v1beta1.MsgUndelegate",
            "account":{{sender.account_identifier}},
            "amount":{
              "value":{{recipient_amount}},
              "currency":{{currency}}
            }
          },
          {
            "operation_identifier":{"index":2},
            "type":"cosmos.staking.v1beta1.MsgUndelegate",
            "account": {
                "address": "staking_account",
                "sub_account": {
                    "address" : "cosmosvaloper158nkd0l9tyemv2crp579rmj8dg37qty86kaut5"
                }
            },
            "amount":{
              "value":{{sender_amount}},
              "currency":{{currency}}
            }
          }
    ];
  }
}