diff --git a/Makefile b/Makefile
index 85b277b..53cdae2 100644
--- a/Makefile
+++ b/Makefile
@@ -79,6 +79,11 @@ run-optimism-goerli-data-check:
 run-optimism-goerli-construction-check:
 	ROSETTA_CONFIGURATION_FILE=configs/optimism/goerli.json rosetta-cli check:construction configs/optimism/goerli.json
 
+# Runs the rosetta-cli check:construction command with the optimism goerli configuration
+run-optimism-goerli-erc20-construction-check:
+	ROSETTA_CONFIGURATION_FILE=configs/optimism/goerli-erc20.json rosetta-cli check:construction configs/optimism/goerli.json
+
+
 # Runs an instance of `op-rosetta` configured for Optimism Goerli
 # For the genesis block hash, see:
 # https://github.com/ethereum-optimism/optimism/blob/5e8bc3d5b4f36f0192b22b032e25b09f23cd0985/op-node/chaincfg/chains.go#L49
diff --git a/configs/optimism/goerli-basic.json b/configs/optimism/goerli-erc20.json
similarity index 62%
rename from configs/optimism/goerli-basic.json
rename to configs/optimism/goerli-erc20.json
index c891c08..8f35836 100644
--- a/configs/optimism/goerli-basic.json
+++ b/configs/optimism/goerli-erc20.json
@@ -19,14 +19,27 @@
   "all_in_memory_enabled": true,
   "table_size": 1,
   "value_log_file_size": 1024,
-  "construction": null,
+  "construction": {
+    "stale_depth": 3,
+    "broadcast_limit": 5,
+    "ignore_broadcast_failures": false,
+    "clear_broadcasts": true,
+    "constructor_dsl_file": "goerli-erc20.ros",
+    "quiet": false,
+    "initial_balance_fetch_disabled": false,
+    "end_conditions": {
+      "create_account": 10,
+      "transfer": 20
+    }
+  },
   "data": {
     "start_index": 4307133,
-    "reconciliation_disabled": true,
+    "reconciliation_disabled": false,
     "inactive_discrepancy_search_disabled": true,
-    "balance_tracking_disabled": true,
-    "initial_balance_fetch_disabled":true,
+    "balance_tracking_disabled": false,
+    "initial_balance_fetch_disabled": false,
     "active_reconciliation_concurrency": 32,
+    "historical_balance_disabled": false,
     "bootstrap_balances": "",
     "log_balance_changes": true,
     "log_transactions": true,
diff --git a/test/construction_test.go b/test/construction_test.go
new file mode 100644
index 0000000..2de8618
--- /dev/null
+++ b/test/construction_test.go
@@ -0,0 +1,184 @@
+package test
+
+import (
+	"context"
+	"encoding/json"
+	"testing"
+
+	config "github.com/mdehoog/op-rosetta/pkg/config"
+	utils "github.com/mdehoog/op-rosetta/pkg/utils"
+
+	RosettaConfiguration "github.com/coinbase/rosetta-geth-sdk/configuration"
+	RosettaConstruction "github.com/coinbase/rosetta-geth-sdk/services/construction"
+	RosettaGethTypes "github.com/coinbase/rosetta-geth-sdk/types"
+	RosettaTypes "github.com/coinbase/rosetta-sdk-go/types"
+	EthParams "github.com/ethereum/go-ethereum/params"
+	assert "github.com/stretchr/testify/assert"
+)
+
+func TestPreprocessERC20(t *testing.T) {
+	networkID := &RosettaTypes.NetworkIdentifier{
+		Blockchain: config.DefaultBlockchain,
+		Network:    "testnet",
+	}
+	cfg := &RosettaConfiguration.Configuration{
+		Mode:        RosettaConfiguration.ModeOnline,
+		Network:     networkID,
+		ChainConfig: EthParams.TestChainConfig,
+	}
+	servicer := RosettaConstruction.NewAPIService(cfg, utils.LoadTypes(), RosettaGethTypes.Errors, nil)
+	ctx := context.Background()
+
+	intent := `
+	[
+		{
+			"operation_identifier": {
+				"index":0
+			},
+			"type":"PAYMENT",
+			"account": {
+				"address":"0x9670d6977d0b10130E5d4916c9134363281B6B0e"
+			},
+			"amount": {
+				"value":"-100000000000",
+				"currency":{
+					"symbol":"OP",
+					"decimals":18,
+					"metadata":{
+						"token_address":"0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A"
+					}
+				}
+			}
+		},
+		{
+			"operation_identifier": {
+				"index":1
+			},
+			"type":"PAYMENT",
+			"account": {
+				"address":"0x705f9aE78b11a3ED5080c053Fa4Fa0c52359c674"
+			},
+			"amount": {
+				"value":"100000000000",
+				"currency": {
+					"symbol":"OP",
+					"decimals":18,
+					"metadata": {
+						"token_address":"0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A"
+					}
+				}
+			}
+		}
+	]
+	`
+	var ops []*RosettaTypes.Operation
+	assert.NoError(t, json.Unmarshal([]byte(intent), &ops))
+	preprocessResponse, err := servicer.ConstructionPreprocess(
+		ctx,
+		&RosettaTypes.ConstructionPreprocessRequest{
+			NetworkIdentifier: networkID,
+			Operations:        ops,
+		},
+	)
+	assert.Nil(t, err)
+	options := map[string]interface{}{
+		"from":  "0x9670d6977d0b10130E5d4916c9134363281B6B0e",
+		"to":    "0x705f9aE78b11a3ED5080c053Fa4Fa0c52359c674",
+		"value": "0x0",
+		"currency": map[string]interface{}{
+			"decimals": float64(18),
+			"symbol":   "OP",
+			"metadata": map[string]interface{}{
+				"contractAddress": "0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A",
+			},
+		},
+	}
+	assert.Equal(t, &RosettaTypes.ConstructionPreprocessResponse{
+		Options: options,
+	}, preprocessResponse)
+}
+
+func TestPreprocessGovernanceDelegate(t *testing.T) {
+	networkID := &RosettaTypes.NetworkIdentifier{
+		Blockchain: config.DefaultBlockchain,
+		Network:    "testnet",
+	}
+	cfg := &RosettaConfiguration.Configuration{
+		Mode:        RosettaConfiguration.ModeOnline,
+		Network:     networkID,
+		ChainConfig: EthParams.TestChainConfig,
+	}
+	servicer := RosettaConstruction.NewAPIService(cfg, utils.LoadTypes(), RosettaGethTypes.Errors, nil)
+	ctx := context.Background()
+
+	intent := `
+	[
+		{
+			"operation_identifier": {
+				"index": 0
+			},
+			"type": "DELEGATE_VOTES",
+			"account": {
+				"address": "0x9670d6977d0b10130E5d4916c9134363281B6B0e"
+			},
+			"amount": {
+				"value": "0",
+				"currency": {
+					"symbol": "OP",
+					"decimals": 18,
+					"metadata": {
+						"token_address": "0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A"
+					}
+				}
+			}
+		},
+		{
+			"operation_identifier": {
+				"index": 1
+			},
+			"type": "DELEGATE_VOTES",
+			"account": {
+				"address": "0x705f9aE78b11a3ED5080c053Fa4Fa0c52359c674"
+			},
+			"amount": {
+				"value": "0",
+				"currency": {
+					"symbol": "OP",
+					"decimals": 18,
+					"metadata": {
+					"token_address": "0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A"
+					}
+				}
+			}
+		}
+	]
+	`
+
+	var ops []*RosettaTypes.Operation
+	assert.NoError(t, json.Unmarshal([]byte(intent), &ops))
+	preprocessResponse, err := servicer.ConstructionPreprocess(
+		ctx,
+		&RosettaTypes.ConstructionPreprocessRequest{
+			NetworkIdentifier: networkID,
+			Operations:        ops,
+		},
+	)
+	assert.Nil(t, err)
+	methodArgs := []interface{}{"0x705f9aE78b11a3ED5080c053Fa4Fa0c52359c674"}
+	options := map[string]interface{}{
+		"from":             "0x9670d6977d0b10130E5d4916c9134363281B6B0e",
+		"to":               "0x705f9aE78b11a3ED5080c053Fa4Fa0c52359c674",
+		"value":            "0x0",
+		"contract_address": "0xF8B089026CaD7DDD8CB8d79036A1ff1d4233d64A",
+		"data":             "0x5c19a95c000000000000000000000000705f9aE78b11a3ED5080c053Fa4Fa0c52359c674",
+		"method_signature": "delegate(address)",
+		"method_args":      methodArgs,
+		"currency": map[string]interface{}{
+			"decimals": float64(18),
+			"symbol":   "OP",
+		},
+	}
+	assert.Equal(t, &RosettaTypes.ConstructionPreprocessResponse{
+		Options: options,
+	}, preprocessResponse)
+}
diff --git a/test/test.go b/test/test.go
new file mode 100644
index 0000000..b629f70
--- /dev/null
+++ b/test/test.go
@@ -0,0 +1,13 @@
+// Package test contains larger-scoped tests surrounding op-rosetta and it's dependencies.
+package test
+
+import (
+	RosettaTypes "github.com/coinbase/rosetta-sdk-go/types"
+)
+
+var (
+	OPCurrency = &RosettaTypes.Currency{
+		Symbol:   "OP",
+		Decimals: 18,
+	}
+)