56 lines
2.1 KiB
Go
56 lines
2.1 KiB
Go
// Copyright 2024 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 simulated
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/node"
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)
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// WithBlockGasLimit configures the simulated backend to target a specific gas limit
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// when producing blocks.
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func WithBlockGasLimit(gaslimit uint64) func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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return func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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ethConf.Genesis.GasLimit = gaslimit
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ethConf.Miner.GasCeil = gaslimit
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}
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}
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// WithCallGasLimit configures the simulated backend to cap eth_calls to a specific
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// gas limit when running client operations.
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func WithCallGasLimit(gaslimit uint64) func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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return func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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ethConf.RPCGasCap = gaslimit
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}
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}
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// WithMinerMinTip configures the simulated backend to require a specific minimum
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// gas tip for a transaction to be included.
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//
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// 0 is not possible as a live Geth node would reject that due to DoS protection,
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// so the simulated backend will replicate that behavior for consistency.
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func WithMinerMinTip(tip *big.Int) func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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if tip == nil || tip.Cmp(new(big.Int)) <= 0 {
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panic("invalid miner minimum tip")
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}
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return func(nodeConf *node.Config, ethConf *ethconfig.Config) {
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ethConf.Miner.GasPrice = tip
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}
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}
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