fix: use precompile contracts correctly (#181)

Author: ryanmorphl2

core/vm/evm.go

@@ -46,6 +46,8 @@ type (
 func (evm *EVM) precompile(addr common.Address) (PrecompiledContract, bool) {
 	var precompiles map[common.Address]PrecompiledContract
 	switch {
+	case evm.chainRules.IsMorph203:
+		precompiles = PrecompiledContractsMorph203
 	case evm.chainRules.IsBernoulli:
 		precompiles = PrecompiledContractsBernoulli
 	case evm.chainRules.IsArchimedes: