Merge pull request #28 from sei-protocol/get-contract-deployment-code

Add function to get deployment code

core/vm/evm.go

@@ -530,6 +530,23 @@ func (evm *EVM) CreateWithAddress(caller ContractRef, code []byte, gas uint64, v
 	return evm.create(caller, &codeAndHash{code: code}, gas, value, address, CREATE)
 }
 
+func (evm *EVM) GetDeploymentCode(caller ContractRef, code []byte, gas uint64, value *big.Int, address common.Address) ([]byte, error) {
+	contract := NewContract(caller, AccountRef(address), value, gas)
+	contract.SetCodeOptionalHash(&address, &codeAndHash{code: code})
+
+	ret, err := evm.interpreter.Run(contract, nil, false)
+	// Check whether the max code size has been exceeded, assign err if the case.
+	if err == nil && evm.chainRules.IsEIP158 && len(ret) > params.MaxCodeSize {
+		err = ErrMaxCodeSizeExceeded
+	}
+
+	// Reject code starting with 0xEF if EIP-3541 is enabled.
+	if err == nil && len(ret) >= 1 && ret[0] == 0xEF && evm.chainRules.IsLondon {
+		err = ErrInvalidCode
+	}
+	return ret, err
+}
+
 // ChainConfig returns the environment's chain configuration
 func (evm *EVM) ChainConfig() *params.ChainConfig { return evm.chainConfig }