117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
package keeper_test
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import (
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"fmt"
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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abci "github.com/tendermint/tendermint/abci/types"
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)
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func (suite *KeeperTestSuite) TestCalculateBaseFee() {
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testCases := []struct {
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name string
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NoBaseFee bool
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blockHeight int64
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parentBlockGasWanted uint64
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minGasPrice sdk.Dec
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expFee *big.Int
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}{
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{
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"without BaseFee",
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true,
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0,
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0,
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sdk.ZeroDec(),
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nil,
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},
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{
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"with BaseFee - initial EIP-1559 block",
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false,
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0,
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0,
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sdk.ZeroDec(),
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suite.app.FeeMarketKeeper.GetParams(suite.ctx).BaseFee.BigInt(),
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},
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{
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"with BaseFee - parent block wanted the same gas as its target (ElasticityMultiplier = 2)",
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false,
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1,
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50,
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sdk.ZeroDec(),
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suite.app.FeeMarketKeeper.GetParams(suite.ctx).BaseFee.BigInt(),
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},
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{
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"with BaseFee - parent block wanted the same gas as its target, with higher min gas price (ElasticityMultiplier = 2)",
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false,
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1,
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50,
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sdk.NewDec(1500000000),
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suite.app.FeeMarketKeeper.GetParams(suite.ctx).BaseFee.BigInt(),
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},
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{
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"with BaseFee - parent block wanted more gas than its target (ElasticityMultiplier = 2)",
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false,
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1,
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100,
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sdk.ZeroDec(),
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big.NewInt(1125000000),
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},
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{
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"with BaseFee - parent block wanted more gas than its target, with higher min gas price (ElasticityMultiplier = 2)",
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false,
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1,
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100,
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sdk.NewDec(1500000000),
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big.NewInt(1125000000),
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},
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{
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"with BaseFee - Parent gas wanted smaller than parent gas target (ElasticityMultiplier = 2)",
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false,
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1,
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25,
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sdk.ZeroDec(),
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big.NewInt(937500000),
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},
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{
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"with BaseFee - Parent gas wanted smaller than parent gas target, with higher min gas price (ElasticityMultiplier = 2)",
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false,
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1,
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25,
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sdk.NewDec(1500000000),
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big.NewInt(1500000000),
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},
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}
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for _, tc := range testCases {
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suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
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suite.SetupTest() // reset
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params := suite.app.FeeMarketKeeper.GetParams(suite.ctx)
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params.NoBaseFee = tc.NoBaseFee
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params.MinGasPrice = tc.minGasPrice
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suite.app.FeeMarketKeeper.SetParams(suite.ctx, params)
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// Set block height
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suite.ctx = suite.ctx.WithBlockHeight(tc.blockHeight)
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// Set parent block gas
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suite.app.FeeMarketKeeper.SetBlockGasWanted(suite.ctx, tc.parentBlockGasWanted)
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// Set next block target/gasLimit through Consensus Param MaxGas
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blockParams := abci.BlockParams{
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MaxGas: 100,
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MaxBytes: 10,
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}
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consParams := abci.ConsensusParams{Block: &blockParams}
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suite.ctx = suite.ctx.WithConsensusParams(&consParams)
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fee := suite.app.FeeMarketKeeper.CalculateBaseFee(suite.ctx)
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if tc.NoBaseFee {
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suite.Require().Nil(fee, tc.name)
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} else {
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suite.Require().Equal(tc.expFee, fee, tc.name)
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}
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})
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}
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}
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