316 lines
11 KiB
Go
316 lines
11 KiB
Go
package itests
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import (
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"context"
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"encoding/hex"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/go-state-types/exitcode"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors/builtin"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/types/ethtypes"
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"github.com/filecoin-project/lotus/chain/wallet/key"
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"github.com/filecoin-project/lotus/itests/kit"
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)
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// TestEthAccountAbstraction goes over the account abstraction workflow:
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// - an placeholder is created when it receives a message
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// - the placeholder turns into an EOA when it sends a message
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func TestEthAccountAbstraction(t *testing.T) {
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kit.QuietMiningLogs()
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client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
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ens.InterconnectAll().BeginMining(10 * time.Millisecond)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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secpKey, err := key.GenerateKey(types.KTDelegated)
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require.NoError(t, err)
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placeholderAddress, err := client.WalletImport(ctx, &secpKey.KeyInfo)
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require.NoError(t, err)
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// create an placeholder actor at the target address
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msgCreatePlaceholder := &types.Message{
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From: client.DefaultKey.Address,
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To: placeholderAddress,
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Value: abi.TokenAmount(types.MustParseFIL("100")),
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}
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smCreatePlaceholder, err := client.MpoolPushMessage(ctx, msgCreatePlaceholder, nil)
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require.NoError(t, err)
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mLookup, err := client.StateWaitMsg(ctx, smCreatePlaceholder.Cid(), 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, mLookup.Receipt.ExitCode.IsSuccess())
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// confirm the placeholder is an placeholder
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placeholderActor, err := client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.Equal(t, uint64(0), placeholderActor.Nonce)
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require.True(t, builtin.IsPlaceholderActor(placeholderActor.Code))
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require.Equal(t, msgCreatePlaceholder.Value, placeholderActor.Balance)
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// send a message from the placeholder address
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msgFromPlaceholder := &types.Message{
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From: placeholderAddress,
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// self-send because an "eth tx payload" can't be to a filecoin address?
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To: placeholderAddress,
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}
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msgFromPlaceholder, err = client.GasEstimateMessageGas(ctx, msgFromPlaceholder, nil, types.EmptyTSK)
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require.NoError(t, err)
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txArgs, err := ethtypes.EthTxArgsFromMessage(msgFromPlaceholder)
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require.NoError(t, err)
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digest, err := txArgs.ToRlpUnsignedMsg()
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require.NoError(t, err)
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siggy, err := client.WalletSign(ctx, placeholderAddress, digest)
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require.NoError(t, err)
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smFromPlaceholderCid, err := client.MpoolPush(ctx, &types.SignedMessage{Message: *msgFromPlaceholder, Signature: *siggy})
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require.NoError(t, err)
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mLookup, err = client.StateWaitMsg(ctx, smFromPlaceholderCid, 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, mLookup.Receipt.ExitCode.IsSuccess())
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// confirm ugly Placeholder duckling has turned into a beautiful EthAccount swan
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eoaActor, err := client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.False(t, builtin.IsPlaceholderActor(eoaActor.Code))
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require.True(t, builtin.IsEthAccountActor(eoaActor.Code))
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require.Equal(t, uint64(1), eoaActor.Nonce)
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// Send another message, it should succeed without any code CID changes
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msgFromPlaceholder = &types.Message{
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From: placeholderAddress,
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To: placeholderAddress,
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Nonce: 1,
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}
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msgFromPlaceholder, err = client.GasEstimateMessageGas(ctx, msgFromPlaceholder, nil, types.EmptyTSK)
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require.NoError(t, err)
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txArgs, err = ethtypes.EthTxArgsFromMessage(msgFromPlaceholder)
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require.NoError(t, err)
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digest, err = txArgs.ToRlpUnsignedMsg()
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require.NoError(t, err)
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siggy, err = client.WalletSign(ctx, placeholderAddress, digest)
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require.NoError(t, err)
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smFromPlaceholderCid, err = client.MpoolPush(ctx, &types.SignedMessage{Message: *msgFromPlaceholder, Signature: *siggy})
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require.NoError(t, err)
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mLookup, err = client.StateWaitMsg(ctx, smFromPlaceholderCid, 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, mLookup.Receipt.ExitCode.IsSuccess())
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// confirm no changes in code CID
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eoaActor, err = client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.Equal(t, uint64(2), eoaActor.Nonce)
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require.False(t, builtin.IsPlaceholderActor(eoaActor.Code))
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require.True(t, builtin.IsEthAccountActor(eoaActor.Code))
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}
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// Tests that an placeholder turns into an EthAccout even if the message fails
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func TestEthAccountAbstractionFailure(t *testing.T) {
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kit.QuietMiningLogs()
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client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
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ens.InterconnectAll().BeginMining(10 * time.Millisecond)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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secpKey, err := key.GenerateKey(types.KTDelegated)
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require.NoError(t, err)
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placeholderAddress, err := client.WalletImport(ctx, &secpKey.KeyInfo)
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require.NoError(t, err)
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// create a placeholder actor at the target address
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msgCreatePlaceholder := &types.Message{
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From: client.DefaultKey.Address,
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To: placeholderAddress,
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Value: abi.TokenAmount(types.MustParseFIL("100")),
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}
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smCreatePlaceholder, err := client.MpoolPushMessage(ctx, msgCreatePlaceholder, nil)
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require.NoError(t, err)
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mLookup, err := client.StateWaitMsg(ctx, smCreatePlaceholder.Cid(), 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, mLookup.Receipt.ExitCode.IsSuccess())
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// confirm the placeholder is an placeholder
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placeholderActor, err := client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.Equal(t, uint64(0), placeholderActor.Nonce)
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require.True(t, builtin.IsPlaceholderActor(placeholderActor.Code))
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require.Equal(t, msgCreatePlaceholder.Value, placeholderActor.Balance)
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// send a message from the placeholder address
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msgFromPlaceholder := &types.Message{
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From: placeholderAddress,
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To: placeholderAddress,
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Value: abi.TokenAmount(types.MustParseFIL("20")),
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}
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msgFromPlaceholder, err = client.GasEstimateMessageGas(ctx, msgFromPlaceholder, nil, types.EmptyTSK)
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require.NoError(t, err)
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msgFromPlaceholder.Value = abi.TokenAmount(types.MustParseFIL("1000"))
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txArgs, err := ethtypes.EthTxArgsFromMessage(msgFromPlaceholder)
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require.NoError(t, err)
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digest, err := txArgs.ToRlpUnsignedMsg()
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require.NoError(t, err)
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siggy, err := client.WalletSign(ctx, placeholderAddress, digest)
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require.NoError(t, err)
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smFromPlaceholderCid, err := client.MpoolPush(ctx, &types.SignedMessage{Message: *msgFromPlaceholder, Signature: *siggy})
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require.NoError(t, err)
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mLookup, err = client.StateWaitMsg(ctx, smFromPlaceholderCid, 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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// message should have failed because we didn't have enough $$$
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require.Equal(t, exitcode.SysErrInsufficientFunds, mLookup.Receipt.ExitCode)
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// BUT, ugly Placeholder duckling should have turned into a beautiful EthAccount swan anyway
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eoaActor, err := client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.False(t, builtin.IsPlaceholderActor(eoaActor.Code))
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require.True(t, builtin.IsEthAccountActor(eoaActor.Code))
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require.Equal(t, uint64(1), eoaActor.Nonce)
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// Send a valid message now, it should succeed without any code CID changes
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msgFromPlaceholder = &types.Message{
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From: placeholderAddress,
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To: placeholderAddress,
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Nonce: 1,
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Value: abi.NewTokenAmount(1),
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}
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msgFromPlaceholder, err = client.GasEstimateMessageGas(ctx, msgFromPlaceholder, nil, types.EmptyTSK)
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require.NoError(t, err)
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txArgs, err = ethtypes.EthTxArgsFromMessage(msgFromPlaceholder)
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require.NoError(t, err)
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digest, err = txArgs.ToRlpUnsignedMsg()
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require.NoError(t, err)
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siggy, err = client.WalletSign(ctx, placeholderAddress, digest)
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require.NoError(t, err)
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smFromPlaceholderCid, err = client.MpoolPush(ctx, &types.SignedMessage{Message: *msgFromPlaceholder, Signature: *siggy})
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require.NoError(t, err)
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mLookup, err = client.StateWaitMsg(ctx, smFromPlaceholderCid, 3, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, mLookup.Receipt.ExitCode.IsSuccess())
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// confirm no changes in code CID
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eoaActor, err = client.StateGetActor(ctx, placeholderAddress, types.EmptyTSK)
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require.NoError(t, err)
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require.Equal(t, uint64(2), eoaActor.Nonce)
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require.False(t, builtin.IsPlaceholderActor(eoaActor.Code))
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require.True(t, builtin.IsEthAccountActor(eoaActor.Code))
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}
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// Tests that f4 addresess that aren't placeholders/ethaccounts can't be top-level senders
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func TestEthAccountAbstractionFailsFromEvmActor(t *testing.T) {
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kit.QuietMiningLogs()
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client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
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ens.InterconnectAll().BeginMining(10 * time.Millisecond)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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// create a new Ethereum account
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key, ethAddr, deployer := client.EVM().NewAccount()
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// send some funds to the f410 address
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kit.SendFunds(ctx, t, client, deployer, types.FromFil(10))
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// install a contract from the placeholder
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contractHex, err := os.ReadFile("./contracts/SimpleCoin.hex")
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require.NoError(t, err)
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contract, err := hex.DecodeString(string(contractHex))
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require.NoError(t, err)
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gaslimit, err := client.EthEstimateGas(ctx, ethtypes.EthCall{
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From: ðAddr,
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Data: contract,
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})
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require.NoError(t, err)
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maxPriorityFeePerGas, err := client.EthMaxPriorityFeePerGas(ctx)
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require.NoError(t, err)
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tx := ethtypes.EthTxArgs{
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ChainID: build.Eip155ChainId,
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Value: big.Zero(),
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Nonce: 0,
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MaxFeePerGas: types.NanoFil,
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MaxPriorityFeePerGas: big.Int(maxPriorityFeePerGas),
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GasLimit: int(gaslimit),
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Input: contract,
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V: big.Zero(),
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R: big.Zero(),
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S: big.Zero(),
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}
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client.EVM().SignTransaction(&tx, key.PrivateKey)
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client.EVM().SubmitTransaction(ctx, &tx)
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smsg, err := tx.ToSignedMessage()
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require.NoError(t, err)
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ml, err := client.StateWaitMsg(ctx, smsg.Cid(), 1, api.LookbackNoLimit, true)
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require.NoError(t, err)
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require.True(t, ml.Receipt.ExitCode.IsSuccess())
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// Get contract address, assert it's an EVM actor
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contractAddr, err := client.EVM().ComputeContractAddress(ethAddr, 0).ToFilecoinAddress()
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require.NoError(t, err)
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client.AssertActorType(ctx, contractAddr, "evm")
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msgFromContract := &types.Message{
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From: contractAddr,
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To: contractAddr,
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}
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_, err = client.GasEstimateMessageGas(ctx, msgFromContract, nil, types.EmptyTSK)
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require.Error(t, err, "expected gas estimation to fail")
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require.Contains(t, err.Error(), "SysErrSenderInvalid")
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}
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