Update linea_estimateGas reference with compatibility mode details
#747
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Filter94
reviewed
Sep 20, 2024
| `linea_estimateGas` is currently unavailable, but we will provide activation dates soon. In the | ||
| meantime, please get in touch via the [Linea Discord](https://discord.gg/linea) if you intend to | ||
| use `linea_estimateGas` once it is available. | ||
| `linea_estimateGas` is currently only available on Mainnet in compatibility mode, which means it |
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This sounds like it's unavailable on Sepolia, but it is
Filter94
reviewed
Sep 20, 2024
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| The formula with `linea_estimateGas` enabled is: | ||
| ``` | ||
| fee = (calldataUsed * multiplier + constant) * gasUsed |
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That's inaccurate
- multiplier - Linea's cost per byte on L1 in current market conditions
- There's another multiplier
(overheadMultiplier aka margin) * (calldataUsedInBytes * multiplier + constant) * gasUsed. This margin is to ensure that in case of a sudden change of market conditions (gas price increase) transaction is still accepted
I know that public knowledge shouldn't be exactly the same as internal, but please take it into consideration
Filter94
reviewed
Sep 20, 2024
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| For most people running an `advanced` Linea Besu node—a prerequisite for using `linea_estimateGas`— | ||
| compatibility mode will already be disabled in the files you downloaded from the [`linea-besu-package` | ||
| repository](https://github.com/Consensys/linea-besu-package/tree/main). |
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We can put a more specific link, https://github.com/Consensys/linea-besu-package/blob/main/linea-besu/profiles/advanced-sepolia.toml
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Compatibility mode for
linea_estimateGasmust be disabled on relevant nodes from September 30 whenlinea_estimateGasis activated on Mainnet to ensure that the endpoint behaves as intended; otherwise, compatibility mode means it will return the same aseth_gasPrice. Added details of this and explained how to disable/check it is already disabled.