mirror of
https://github.com/luxfi/evm.git
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zeekay
8bc9dd01a8
- Change Go version from 1.24.6 to 1.22.8 (stable version) - Ensure all build scripts have executable permissions - Fix covdata issue by using stable Go version - CI should now pass all checks
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package stateupgrade
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import (
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"math/big"
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"github.com/holiman/uint256"
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"github.com/luxfi/evm/params/extras"
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"github.com/luxfi/geth/common"
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)
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// Configure applies the state upgrade to the state.
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func Configure(stateUpgrade *extras.StateUpgrade, chainConfig ChainContext, state StateDB, blockContext BlockContext) error {
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isEIP158 := chainConfig.IsEIP158(blockContext.Number())
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for account, upgrade := range stateUpgrade.StateUpgradeAccounts {
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if err := upgradeAccount(account, upgrade, state, isEIP158); err != nil {
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return err
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}
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}
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return nil
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}
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// upgradeAccount applies the state upgrade to the given account.
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func upgradeAccount(account common.Address, upgrade extras.StateUpgradeAccount, state StateDB, isEIP158 bool) error {
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// Create the account if it does not exist
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if !state.Exist(account) {
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state.CreateAccount(account)
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}
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if upgrade.BalanceChange != nil {
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balanceChange, _ := uint256.FromBig((*big.Int)(upgrade.BalanceChange))
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state.AddBalance(account, balanceChange)
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}
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if len(upgrade.Code) != 0 {
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// if the nonce is 0, set the nonce to 1 as we would when deploying a contract at
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// the address.
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if isEIP158 && state.GetNonce(account) == 0 {
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state.SetNonce(account, 1)
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}
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state.SetCode(account, upgrade.Code)
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}
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for key, value := range upgrade.Storage {
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state.SetState(account, key, value)
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}
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return nil
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}
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