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core/vm: set basefee to 0 internally on eth_call

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This commit is contained in:
Péter Szilágyi 2023-11-06 15:27:19 +02:00
parent e91cdb49be
commit 849c0d4a40
2 changed files with 44 additions and 2 deletions
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4
core/vm/eips.go
View file

@ -215,8 +215,12 @@ func opTstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
// opBaseFee implements BASEFEE opcode
func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.evm.Config.NoBaseFee {
scope.Stack.push(new(uint256.Int))
} else {
baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)
scope.Stack.push(baseFee)
}
return nil, nil
}

38
internal/ethapi/api_test.go
View file

@ -678,6 +678,44 @@ func TestEstimateGas(t *testing.T) {
},
expectErr: core.ErrInsufficientFunds,
},
// Test for a bug where the gas price was set to zero but the basefee non-zero
//
// contract Tipper {
// constructor() {
// tx.gasprice - block.basefee;
// }
// }
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
Input: hex2Bytes("6080604052348015600f57600080fd5b50483a601a91906058565b506085565b6000819050919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b6000606182601f565b9150606a83601f565b9250828203905081811115607f57607e6029565b5b92915050565b603f8060926000396000f3fe6080604052600080fdfea2646970667358221220389a4956b32bb784f6afd2e9db61cef06edaed0e2609234a291e7830e025853364736f6c63430008160033"),
GasPrice: (*hexutil.Big)(big.NewInt(1_000_000_000)), // Legacy as pricing
},
expectErr: nil,
want: 68757,
},
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
Input: hex2Bytes("6080604052348015600f57600080fd5b50483a601a91906058565b506085565b6000819050919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b6000606182601f565b9150606a83601f565b9250828203905081811115607f57607e6029565b5b92915050565b603f8060926000396000f3fe6080604052600080fdfea2646970667358221220389a4956b32bb784f6afd2e9db61cef06edaed0e2609234a291e7830e025853364736f6c63430008160033"),
MaxFeePerGas: (*hexutil.Big)(big.NewInt(1_000_000_000)), // 1559 gas pricing
},
expectErr: nil,
want: 68757,
},
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
Input: hex2Bytes("6080604052348015600f57600080fd5b50483a601a91906058565b506085565b6000819050919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b6000606182601f565b9150606a83601f565b9250828203905081811115607f57607e6029565b5b92915050565b603f8060926000396000f3fe6080604052600080fdfea2646970667358221220389a4956b32bb784f6afd2e9db61cef06edaed0e2609234a291e7830e025853364736f6c63430008160033"),
GasPrice: nil, // No legacy gas pricing
MaxFeePerGas: nil, // No 1559 gas pricing
},
expectErr: nil,
want: 68757,
},
}
for i, tc := range testSuite {
result, err := api.EstimateGas(context.Background(), tc.call, &rpc.BlockNumberOrHash{BlockNumber: &tc.blockNumber}, &tc.overrides)