forked from cerc-io/plugeth
368 lines
12 KiB
Go
368 lines
12 KiB
Go
// Copyright 2022 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethapi
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import (
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"context"
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"errors"
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"math/big"
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"reflect"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// TestSetFeeDefaults tests the logic for filling in default fee values works as expected.
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func TestSetFeeDefaults(t *testing.T) {
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type test struct {
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name string
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isLondon bool
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in *TransactionArgs
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want *TransactionArgs
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err error
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}
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var (
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b = newBackendMock()
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zero = (*hexutil.Big)(big.NewInt(0))
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fortytwo = (*hexutil.Big)(big.NewInt(42))
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maxFee = (*hexutil.Big)(new(big.Int).Add(new(big.Int).Mul(b.current.BaseFee, big.NewInt(2)), fortytwo.ToInt()))
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al = &types.AccessList{types.AccessTuple{Address: common.Address{0xaa}, StorageKeys: []common.Hash{{0x01}}}}
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)
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tests := []test{
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// Legacy txs
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{
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"legacy tx pre-London",
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false,
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&TransactionArgs{},
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&TransactionArgs{GasPrice: fortytwo},
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nil,
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},
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{
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"legacy tx pre-London with zero price",
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false,
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&TransactionArgs{GasPrice: zero},
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&TransactionArgs{GasPrice: zero},
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nil,
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},
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{
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"legacy tx post-London, explicit gas price",
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true,
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&TransactionArgs{GasPrice: fortytwo},
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&TransactionArgs{GasPrice: fortytwo},
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nil,
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},
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{
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"legacy tx post-London with zero price",
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true,
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&TransactionArgs{GasPrice: zero},
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nil,
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errors.New("gasPrice must be non-zero after london fork"),
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},
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// Access list txs
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{
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"access list tx pre-London",
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false,
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&TransactionArgs{AccessList: al},
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&TransactionArgs{AccessList: al, GasPrice: fortytwo},
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nil,
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},
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{
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"access list tx post-London, explicit gas price",
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false,
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&TransactionArgs{AccessList: al, GasPrice: fortytwo},
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&TransactionArgs{AccessList: al, GasPrice: fortytwo},
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nil,
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},
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{
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"access list tx post-London",
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true,
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&TransactionArgs{AccessList: al},
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&TransactionArgs{AccessList: al, MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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{
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"access list tx post-London, only max fee",
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true,
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&TransactionArgs{AccessList: al, MaxFeePerGas: maxFee},
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&TransactionArgs{AccessList: al, MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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{
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"access list tx post-London, only priority fee",
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true,
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&TransactionArgs{AccessList: al, MaxFeePerGas: maxFee},
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&TransactionArgs{AccessList: al, MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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// Dynamic fee txs
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{
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"dynamic tx post-London",
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true,
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&TransactionArgs{},
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&TransactionArgs{MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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{
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"dynamic tx post-London, only max fee",
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true,
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&TransactionArgs{MaxFeePerGas: maxFee},
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&TransactionArgs{MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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{
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"dynamic tx post-London, only priority fee",
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true,
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&TransactionArgs{MaxFeePerGas: maxFee},
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&TransactionArgs{MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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},
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{
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"dynamic fee tx pre-London, maxFee set",
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false,
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&TransactionArgs{MaxFeePerGas: maxFee},
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nil,
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errors.New("maxFeePerGas and maxPriorityFeePerGas are not valid before London is active"),
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},
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{
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"dynamic fee tx pre-London, priorityFee set",
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false,
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&TransactionArgs{MaxPriorityFeePerGas: fortytwo},
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nil,
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errors.New("maxFeePerGas and maxPriorityFeePerGas are not valid before London is active"),
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},
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{
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"dynamic fee tx, maxFee < priorityFee",
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true,
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&TransactionArgs{MaxFeePerGas: maxFee, MaxPriorityFeePerGas: (*hexutil.Big)(big.NewInt(1000))},
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nil,
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errors.New("maxFeePerGas (0x3e) < maxPriorityFeePerGas (0x3e8)"),
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},
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{
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"dynamic fee tx, maxFee < priorityFee while setting default",
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true,
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&TransactionArgs{MaxFeePerGas: (*hexutil.Big)(big.NewInt(7))},
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nil,
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errors.New("maxFeePerGas (0x7) < maxPriorityFeePerGas (0x2a)"),
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},
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{
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"dynamic fee tx post-London, explicit gas price",
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true,
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&TransactionArgs{MaxFeePerGas: zero, MaxPriorityFeePerGas: zero},
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nil,
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errors.New("maxFeePerGas must be non-zero"),
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},
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// Misc
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{
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"set all fee parameters",
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false,
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&TransactionArgs{GasPrice: fortytwo, MaxFeePerGas: maxFee, MaxPriorityFeePerGas: fortytwo},
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nil,
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errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified"),
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},
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{
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"set gas price and maxPriorityFee",
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false,
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&TransactionArgs{GasPrice: fortytwo, MaxPriorityFeePerGas: fortytwo},
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nil,
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errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified"),
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},
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{
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"set gas price and maxFee",
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true,
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&TransactionArgs{GasPrice: fortytwo, MaxFeePerGas: maxFee},
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nil,
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errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified"),
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},
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}
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ctx := context.Background()
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for i, test := range tests {
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if test.isLondon {
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b.activateLondon()
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} else {
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b.deactivateLondon()
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}
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got := test.in
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err := got.setFeeDefaults(ctx, b)
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if err != nil && err.Error() == test.err.Error() {
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// Test threw expected error.
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continue
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} else if err != nil {
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t.Fatalf("test %d (%s): unexpected error: %s", i, test.name, err)
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}
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if !reflect.DeepEqual(got, test.want) {
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t.Fatalf("test %d (%s): did not fill defaults as expected: (got: %v, want: %v)", i, test.name, got, test.want)
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}
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}
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}
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type backendMock struct {
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current *types.Header
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config *params.ChainConfig
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}
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func newBackendMock() *backendMock {
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config := ¶ms.ChainConfig{
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ChainID: big.NewInt(42),
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HomesteadBlock: big.NewInt(0),
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DAOForkBlock: nil,
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DAOForkSupport: true,
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EIP150Block: big.NewInt(0),
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EIP155Block: big.NewInt(0),
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EIP158Block: big.NewInt(0),
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ByzantiumBlock: big.NewInt(0),
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ConstantinopleBlock: big.NewInt(0),
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PetersburgBlock: big.NewInt(0),
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IstanbulBlock: big.NewInt(0),
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MuirGlacierBlock: big.NewInt(0),
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BerlinBlock: big.NewInt(0),
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LondonBlock: big.NewInt(1000),
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}
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return &backendMock{
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current: &types.Header{
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Difficulty: big.NewInt(10000000000),
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Number: big.NewInt(1100),
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GasLimit: 8_000_000,
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GasUsed: 8_000_000,
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Time: 555,
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Extra: make([]byte, 32),
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BaseFee: big.NewInt(10),
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},
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config: config,
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}
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}
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func (b *backendMock) activateLondon() {
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b.current.Number = big.NewInt(1100)
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}
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func (b *backendMock) deactivateLondon() {
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b.current.Number = big.NewInt(900)
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}
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func (b *backendMock) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
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return big.NewInt(42), nil
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}
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func (b *backendMock) CurrentHeader() *types.Header { return b.current }
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func (b *backendMock) ChainConfig() *params.ChainConfig { return b.config }
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// Other methods needed to implement Backend interface.
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func (b *backendMock) SyncProgress() ethereum.SyncProgress { return ethereum.SyncProgress{} }
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func (b *backendMock) FeeHistory(ctx context.Context, blockCount uint64, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (*big.Int, [][]*big.Int, []*big.Int, []float64, error) {
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return nil, nil, nil, nil, nil
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}
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func (b *backendMock) ChainDb() ethdb.Database { return nil }
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func (b *backendMock) AccountManager() *accounts.Manager { return nil }
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func (b *backendMock) ExtRPCEnabled() bool { return false }
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func (b *backendMock) RPCGasCap() uint64 { return 0 }
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func (b *backendMock) RPCEVMTimeout() time.Duration { return time.Second }
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func (b *backendMock) RPCTxFeeCap() float64 { return 0 }
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func (b *backendMock) UnprotectedAllowed() bool { return false }
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func (b *backendMock) SetHead(number uint64) {}
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func (b *backendMock) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
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return nil, nil
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}
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func (b *backendMock) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
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return nil, nil
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}
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func (b *backendMock) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error) {
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return nil, nil
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}
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func (b *backendMock) CurrentBlock() *types.Header { return nil }
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func (b *backendMock) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
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return nil, nil
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}
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func (b *backendMock) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
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return nil, nil
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}
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func (b *backendMock) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
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return nil, nil
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}
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func (b *backendMock) GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error) {
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return nil, nil
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}
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func (b *backendMock) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
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return nil, nil, nil
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}
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func (b *backendMock) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error) {
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return nil, nil, nil
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}
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func (b *backendMock) PendingBlockAndReceipts() (*types.Block, types.Receipts) { return nil, nil }
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func (b *backendMock) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
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return nil, nil
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}
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func (b *backendMock) GetLogs(ctx context.Context, blockHash common.Hash, number uint64) ([][]*types.Log, error) {
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return nil, nil
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}
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func (b *backendMock) GetTd(ctx context.Context, hash common.Hash) *big.Int { return nil }
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func (b *backendMock) GetEVM(ctx context.Context, msg *core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config, blockCtx *vm.BlockContext) *vm.EVM {
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return nil
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}
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func (b *backendMock) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription { return nil }
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func (b *backendMock) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
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return nil
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}
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func (b *backendMock) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription {
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return nil
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}
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func (b *backendMock) SendTx(ctx context.Context, signedTx *types.Transaction) error { return nil }
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func (b *backendMock) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
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return nil, [32]byte{}, 0, 0, nil
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}
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func (b *backendMock) GetPoolTransactions() (types.Transactions, error) { return nil, nil }
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func (b *backendMock) GetPoolTransaction(txHash common.Hash) *types.Transaction { return nil }
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func (b *backendMock) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
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return 0, nil
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}
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func (b *backendMock) Stats() (pending int, queued int) { return 0, 0 }
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func (b *backendMock) TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
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return nil, nil
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}
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func (b *backendMock) TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
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return nil, nil
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}
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func (b *backendMock) SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription { return nil }
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func (b *backendMock) BloomStatus() (uint64, uint64) { return 0, 0 }
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func (b *backendMock) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {}
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func (b *backendMock) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription { return nil }
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func (b *backendMock) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription {
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return nil
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}
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func (b *backendMock) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
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return nil
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}
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func (b *backendMock) Engine() consensus.Engine { return nil }
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