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Fixed struct copy

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This commit is contained in:
Shane Bammel 2021-09-09 13:35:44 -05:00
parent a1bece8f5a
commit a8b2cb7c1f
1 changed files with 6 additions and 4 deletions
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10
core/vm/evm.go
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@ -125,13 +125,15 @@ type EVM struct {
// NewEVM returns a new EVM. The returned EVM is not thread safe and should
// only ever be used *once*.
func NewEVM(blockCtx BlockContext, txCtx TxContext, statedb StateDB, chainConfig *params.ChainConfig, config Config) *EVM {
// Copy struct, to not change the underlying ChainConfig
msgChainConfig := chainConfig
if !chainConfig.IsPrimordialPulse(blockCtx.BlockNumber) {
// Set to ethereum mainnet
msgChainConfig.ChainID = big.NewInt(1)
// create a shallow of chainConfig struct and set to ethereum mainnet
chainCfgCpy := *chainConfig
chainCfgCpy.ChainID = big.NewInt(1)
// use the new chainCfgCpy
msgChainConfig = &chainCfgCpy
}
evm := &EVM{