laconicd/x/evm/vm/geth/precompiles.go
2022-10-10 16:08:33 +05:30

28 lines
769 B
Go

package geth
import (
"math/big"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/params"
evm "github.com/cerc-io/laconicd/x/evm/vm"
)
// GetPrecompiles returns all the precompiled contracts defined given the
// current chain configuration and block height.
func GetPrecompiles(cfg *params.ChainConfig, blockNumber *big.Int) evm.PrecompiledContracts {
var precompiles evm.PrecompiledContracts
switch {
case cfg.IsBerlin(blockNumber):
precompiles = vm.PrecompiledContractsBerlin
case cfg.IsIstanbul(blockNumber):
precompiles = vm.PrecompiledContractsIstanbul
case cfg.IsByzantium(blockNumber):
precompiles = vm.PrecompiledContractsByzantium
default:
precompiles = vm.PrecompiledContractsHomestead
}
return precompiles
}