046cd00174
* Add min_gas_price to feemarket params * Add MinGasPriceDecorators * feemarket integration tests for MinGasPrice * Restructure integration tests * Simplify integration tests context We use DeliverTx context to set up the app, otherwise not all settings are initialized. We test CheckTx with `s.app.BaseApp.CheckTx(req)`, which uses the `CheckTx` mode and context. * Update MinGasPrice spec in feemarket module * reorder ethermint module order for initializing genesis * feemarket migrations for adding MinGasPrice param * update changelog * Additional unit tests for MinGasPrice = 0, tx gas price > 0 (PR review) https://github.com/tharsis/ethermint/pull/1104#discussion_r884991661 * Use 0 MinGasPrice for transaction simulations * Fix duplicate registration of feemarket GenesisState and Params (PR review) https://github.com/tharsis/ethermint/pull/1104#issuecomment-1141893712
1.3 KiB
AnteHandlers
The x/feemarket module provides AnteDecorators that are recursively chained together into a single Antehandler. These decorators perform basic validity checks on an Ethereum or Cosmos SDK transaction, such that it could be thrown out of the transaction Mempool.
Note that the AnteHandler is run for every transaction and called on both CheckTx and DeliverTx.
Decorators
MinGasPriceDecorator
Rejects Cosmos SDK transactions with transaction fees lower than MinGasPrice * GasLimit.
EthMinGasPriceDecorator
Rejects EVM transactions with transactions fees lower than MinGasPrice * GasLimit.
- For LegacyTx and AccessListTx, the GasPrice * GasLimit is used.
- For EIP-1559 (aka. DynamicFeeTx), the EffectivePrice * GasLimit is used.
::: tip
Note: For dynamic transactions, if the feemarket formula results in a BaseFee that lowers EffectivePrice < MinGasPrices, the users must increase the GasTipCap (priority fee) until EffectivePrice > MinGasPrices. Transactions with MinGasPrices * GasLimit < transaction fee < EffectiveFee are rejected by the feemarket AnteHandle.
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