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Fix prefund L2 addresses #292

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Merged
ferranbt merged 1 commit into from
Jan 5, 2026
Merged

Fix prefund L2 addresses #292

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10 changes: 9 additions & 1 deletion playground/artifacts.go
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Original file line number Diff line number Diff line change
Expand Up @@ -257,7 +257,7 @@ func (b *ArtifactsBuilder) Build(out *output) error {
// override l2 genesis, make the timestamp start 2 seconds after the L1 genesis
input := map[string]interface{}{
"timestamp": hexutil.Uint64(opTimestamp).String(),
"allocs": allocs,
"alloc": allocs,
}
if forkTime != nil {
// We need to enable prague on the EL to enable the engine v4 calls
Expand Down Expand Up @@ -422,6 +422,14 @@ func NewOutput(dst string) (*output, error) {
return out, nil
}

func (o *output) Read(path string) (string, error) {
data, err := os.ReadFile(filepath.Join(o.dst, path))
if err != nil {
return "", err
}
return string(data), nil
}

func (o *output) AbsoluteDstPath() (string, error) {
return filepath.Abs(o.dst)
}
Expand Down
18 changes: 18 additions & 0 deletions playground/artifacts_test.go
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Original file line number Diff line number Diff line change
@@ -1,8 +1,12 @@
package playground

import (
"encoding/json"
"os"
"testing"

"github.com/ethereum/go-ethereum/core"
"github.com/stretchr/testify/require"
)

func TestEnodeGeneration(t *testing.T) {
Expand All @@ -17,6 +21,20 @@ func TestEnodeGeneration(t *testing.T) {
}
}

func TestL2PrefundedAccounts(t *testing.T) {
o := newTestOutput(t)

b := NewArtifactsBuilder()
require.NoError(t, b.Build(o))

genesisRaw, err := o.Read("l2-genesis.json")
require.NoError(t, err)

var genesis core.Genesis
require.NoError(t, json.Unmarshal([]byte(genesisRaw), &genesis))
require.Len(t, genesis.Alloc, 10)
}

func newTestOutput(t *testing.T) *output {
dir, err := os.MkdirTemp("/tmp", "test-output")
if err != nil {
Expand Down
14 changes: 13 additions & 1 deletion playground/components_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (
"context"
"encoding/json"
"fmt"
"math/big"
"math/rand"
"net/http"
"os"
Expand All @@ -14,6 +15,7 @@ import (
"testing"
"time"

"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/rpc"
"github.com/stretchr/testify/require"
Expand All @@ -23,7 +25,17 @@ func TestRecipeOpstackSimple(t *testing.T) {
tt := newTestFramework(t)
defer tt.Close()

tt.test(&OpRecipe{}, nil)
m := tt.test(&OpRecipe{}, nil)

httpPort := m.MustGetService("op-geth").MustGetPort("http")
client, err := ethclient.Dial(fmt.Sprintf("http://localhost:%d", httpPort.HostPort))
require.NoError(t, err)

// validate that the default addresses are prefunded
knownAddress := common.HexToAddress("0xf49Fd6e51aad88F6F4ce6aB8827279cffFb92266")
balance, err := client.BalanceAt(context.Background(), knownAddress, nil)
require.NoError(t, err)
require.NotEqual(t, balance, big.NewInt(0))
}

func TestRecipeOpstackExternalBuilder(t *testing.T) {
Expand Down