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rishub/1.9.15_node_upgrade_changes.md

Created June 10, 2020 18:22
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  1. rishub created this gist Jun 10, 2020.
    29 changes: 29 additions & 0 deletions 1.9.15_node_upgrade_changes.md
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    For example, previously an eth_call may have returned this:
    ```
    {'id': 2, 'jsonrpc': '2.0', 'result': '0x'}
    ```

    And now under 1.9.15, it will return this:
    ```
    {'error': {'code': -32000,
    'message': 'insufficient funds for gas * price + value'},
    'id': 2,
    'jsonrpc': '2.0'}
    ```


    Another example is for reverts, previous results would be encoded with an error hex like this:
    ```
    {'id': 1337,
    'jsonrpc': '2.0',
    'result': '0x08c379a00000...}
    ```

    In 1.9.15, this now has a revert reason:
    ```
    {'error': {'code': 3,
    'data': '0x08c379a...',
    'message': 'execution reverted: HAS_NEVER_OWNED_KEY'},
    'id': 1337,
    'jsonrpc': '2.0'}
    ```