443 lines
12 KiB
Go
443 lines
12 KiB
Go
package keeper_test
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import (
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/ethereum/go-ethereum/common"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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ethparams "github.com/ethereum/go-ethereum/params"
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evmkeeper "github.com/tharsis/ethermint/x/evm/keeper"
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evmtypes "github.com/tharsis/ethermint/x/evm/types"
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)
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func (suite *KeeperTestSuite) TestCheckSenderBalance() {
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hundredInt := sdk.NewInt(100)
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zeroInt := sdk.ZeroInt()
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oneInt := sdk.OneInt()
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fiveInt := sdk.NewInt(5)
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fiftyInt := sdk.NewInt(50)
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negInt := sdk.NewInt(-10)
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testCases := []struct {
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name string
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to string
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gasLimit uint64
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gasPrice *sdk.Int
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gasFeeCap *big.Int
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gasTipCap *big.Int
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cost *sdk.Int
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from string
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accessList *ethtypes.AccessList
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expectPass bool
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enableFeemarket bool
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}{
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{
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name: "Enough balance",
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to: suite.address.String(),
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gasLimit: 10,
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gasPrice: &oneInt,
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Equal balance",
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to: suite.address.String(),
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gasLimit: 99,
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gasPrice: &oneInt,
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "negative cost",
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to: suite.address.String(),
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gasLimit: 1,
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gasPrice: &oneInt,
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cost: &negInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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{
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name: "Higher gas limit, not enough balance",
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to: suite.address.String(),
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gasLimit: 100,
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gasPrice: &oneInt,
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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{
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name: "Higher gas price, enough balance",
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to: suite.address.String(),
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gasLimit: 10,
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gasPrice: &fiveInt,
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Higher gas price, not enough balance",
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to: suite.address.String(),
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gasLimit: 20,
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gasPrice: &fiveInt,
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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{
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name: "Higher cost, enough balance",
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to: suite.address.String(),
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gasLimit: 10,
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gasPrice: &fiveInt,
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cost: &fiftyInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Higher cost, not enough balance",
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to: suite.address.String(),
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gasLimit: 10,
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gasPrice: &fiveInt,
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cost: &hundredInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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{
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name: "Enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 10,
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gasFeeCap: big.NewInt(1),
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "Equal balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 99,
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gasFeeCap: big.NewInt(1),
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "negative cost w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 1,
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gasFeeCap: big.NewInt(1),
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cost: &negInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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enableFeemarket: true,
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},
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{
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name: "Higher gas limit, not enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 100,
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gasFeeCap: big.NewInt(1),
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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enableFeemarket: true,
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},
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{
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name: "Higher gas price, enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 10,
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gasFeeCap: big.NewInt(5),
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "Higher gas price, not enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 20,
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gasFeeCap: big.NewInt(5),
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cost: &oneInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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enableFeemarket: true,
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},
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{
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name: "Higher cost, enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 10,
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gasFeeCap: big.NewInt(5),
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cost: &fiftyInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "Higher cost, not enough balance w/ enableFeemarket",
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to: suite.address.String(),
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gasLimit: 10,
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gasFeeCap: big.NewInt(5),
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cost: &hundredInt,
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from: suite.address.String(),
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accessList: ðtypes.AccessList{},
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expectPass: false,
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enableFeemarket: true,
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},
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}
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vmdb := suite.StateDB()
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vmdb.AddBalance(suite.address, hundredInt.BigInt())
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balance := vmdb.GetBalance(suite.address)
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suite.Require().Equal(balance, hundredInt.BigInt())
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vmdb.Commit()
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for i, tc := range testCases {
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suite.Run(tc.name, func() {
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to := common.HexToAddress(tc.from)
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var amount, gasPrice, gasFeeCap, gasTipCap *big.Int
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if tc.cost != nil {
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amount = tc.cost.BigInt()
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}
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if tc.enableFeemarket {
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gasFeeCap = tc.gasFeeCap
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if tc.gasTipCap == nil {
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gasTipCap = oneInt.BigInt()
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} else {
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gasTipCap = tc.gasTipCap
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}
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} else {
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if tc.gasPrice != nil {
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gasPrice = tc.gasPrice.BigInt()
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}
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}
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tx := evmtypes.NewTx(zeroInt.BigInt(), 1, &to, amount, tc.gasLimit, gasPrice, gasFeeCap, gasTipCap, nil, tc.accessList)
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tx.From = tc.from
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txData, _ := evmtypes.UnpackTxData(tx.Data)
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acct := suite.app.EvmKeeper.GetAccountOrEmpty(suite.ctx, suite.address)
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err := evmkeeper.CheckSenderBalance(
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sdk.NewIntFromBigInt(acct.Balance),
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txData,
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)
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if tc.expectPass {
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suite.Require().NoError(err, "valid test %d failed", i)
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} else {
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suite.Require().Error(err, "invalid test %d passed", i)
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestDeductTxCostsFromUserBalance() {
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hundredInt := sdk.NewInt(100)
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zeroInt := sdk.ZeroInt()
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oneInt := sdk.NewInt(1)
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fiveInt := sdk.NewInt(5)
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fiftyInt := sdk.NewInt(50)
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// should be enough to cover all test cases
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initBalance := sdk.NewInt((ethparams.InitialBaseFee + 10) * 105)
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testCases := []struct {
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name string
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gasLimit uint64
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gasPrice *sdk.Int
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gasFeeCap *big.Int
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gasTipCap *big.Int
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cost *sdk.Int
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accessList *ethtypes.AccessList
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expectPass bool
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enableFeemarket bool
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}{
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{
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name: "Enough balance",
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gasLimit: 10,
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gasPrice: &oneInt,
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Equal balance",
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gasLimit: 100,
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gasPrice: &oneInt,
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Higher gas limit, not enough balance",
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gasLimit: 105,
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gasPrice: &oneInt,
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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{
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name: "Higher gas price, enough balance",
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gasLimit: 20,
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gasPrice: &fiveInt,
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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{
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name: "Higher gas price, not enough balance",
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gasLimit: 20,
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gasPrice: &fiftyInt,
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: false,
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},
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// This case is expected to be true because the fees can be deducted, but the tx
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// execution is going to fail because there is no more balance to pay the cost
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{
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name: "Higher cost, enough balance",
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gasLimit: 100,
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gasPrice: &oneInt,
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cost: &fiftyInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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},
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// testcases with enableFeemarket enabled.
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{
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name: "Invalid gasFeeCap w/ enableFeemarket",
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gasLimit: 10,
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gasFeeCap: big.NewInt(1),
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gasTipCap: big.NewInt(1),
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: false,
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enableFeemarket: true,
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},
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{
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name: "empty tip fee is valid to deduct",
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gasLimit: 10,
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gasFeeCap: big.NewInt(ethparams.InitialBaseFee),
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gasTipCap: big.NewInt(1),
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "effectiveTip equal to gasTipCap",
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gasLimit: 100,
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gasFeeCap: big.NewInt(ethparams.InitialBaseFee + 2),
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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{
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name: "effectiveTip equal to (gasFeeCap - baseFee)",
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gasLimit: 105,
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gasFeeCap: big.NewInt(ethparams.InitialBaseFee + 1),
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gasTipCap: big.NewInt(2),
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cost: &oneInt,
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accessList: ðtypes.AccessList{},
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expectPass: true,
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enableFeemarket: true,
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},
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}
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for i, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.enableFeemarket = tc.enableFeemarket
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suite.SetupTest()
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vmdb := suite.StateDB()
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var amount, gasPrice, gasFeeCap, gasTipCap *big.Int
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if tc.cost != nil {
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amount = tc.cost.BigInt()
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}
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if suite.enableFeemarket {
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if tc.gasFeeCap != nil {
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gasFeeCap = tc.gasFeeCap
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}
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if tc.gasTipCap == nil {
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gasTipCap = oneInt.BigInt()
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} else {
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gasTipCap = tc.gasTipCap
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}
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vmdb.AddBalance(suite.address, initBalance.BigInt())
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balance := vmdb.GetBalance(suite.address)
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suite.Require().Equal(balance, initBalance.BigInt())
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} else {
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if tc.gasPrice != nil {
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gasPrice = tc.gasPrice.BigInt()
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}
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vmdb.AddBalance(suite.address, hundredInt.BigInt())
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balance := vmdb.GetBalance(suite.address)
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suite.Require().Equal(balance, hundredInt.BigInt())
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}
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vmdb.Commit()
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tx := evmtypes.NewTx(zeroInt.BigInt(), 1, &suite.address, amount, tc.gasLimit, gasPrice, gasFeeCap, gasTipCap, nil, tc.accessList)
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tx.From = suite.address.String()
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txData, _ := evmtypes.UnpackTxData(tx.Data)
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fees, err := suite.app.EvmKeeper.DeductTxCostsFromUserBalance(
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suite.ctx,
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*tx,
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txData,
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evmtypes.DefaultEVMDenom,
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false,
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false,
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suite.enableFeemarket, // london
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)
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if tc.expectPass {
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suite.Require().NoError(err, "valid test %d failed", i)
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if tc.enableFeemarket {
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baseFee := suite.app.FeeMarketKeeper.GetBaseFee(suite.ctx)
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suite.Require().Equal(
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fees,
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sdk.NewCoins(
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sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewIntFromBigInt(txData.EffectiveFee(baseFee))),
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),
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"valid test %d failed, fee value is wrong ", i,
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)
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} else {
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suite.Require().Equal(
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fees,
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sdk.NewCoins(
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sdk.NewCoin(evmtypes.DefaultEVMDenom, tc.gasPrice.Mul(sdk.NewIntFromUint64(tc.gasLimit))),
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),
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"valid test %d failed, fee value is wrong ", i,
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)
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}
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} else {
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suite.Require().Error(err, "invalid test %d passed", i)
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suite.Require().Nil(fees, "invalid test %d passed. fees value must be nil", i)
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}
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})
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}
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suite.enableFeemarket = false // reset flag
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}
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