NV18: FEVM: Basic smoke test (#9635)
* unknown return types should not be treated as errors from WaitForMessage * simplecoin FEVM smoke test * add itest-fevm to circle matrix * use a named error for metadata lookup failures * hand-write the fevm basic test * make gen * address nits
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@ -911,6 +911,11 @@ workflows:
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suite: itest-dup_mpool_messages
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target: "./itests/dup_mpool_messages_test.go"
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- test:
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name: test-itest-fevm
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suite: itest-fevm
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target: "./itests/fevm_test.go"
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- test:
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name: test-itest-gas_estimation
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suite: itest-gas_estimation
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@ -2,6 +2,7 @@ package stmgr
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import (
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"context"
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"errors"
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"fmt"
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"reflect"
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@ -27,6 +28,8 @@ import (
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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var ErrMetadataNotFound = errors.New("actor metadata not found")
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func GetReturnType(ctx context.Context, sm *StateManager, to address.Address, method abi.MethodNum, ts *types.TipSet) (cbg.CBORUnmarshaler, error) {
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act, err := sm.LoadActor(ctx, to, ts)
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if err != nil {
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@ -35,7 +38,7 @@ func GetReturnType(ctx context.Context, sm *StateManager, to address.Address, me
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m, found := sm.tsExec.NewActorRegistry().Methods[act.Code][method]
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if !found {
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return nil, fmt.Errorf("unknown method %d for actor %s", method, act.Code)
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return nil, fmt.Errorf("unknown method %d for actor %s: %w", method, act.Code, ErrMetadataNotFound)
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}
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return reflect.New(m.Ret.Elem()).Interface().(cbg.CBORUnmarshaler), nil
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@ -44,7 +47,7 @@ func GetReturnType(ctx context.Context, sm *StateManager, to address.Address, me
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func GetParamType(ar *vm.ActorRegistry, actCode cid.Cid, method abi.MethodNum) (cbg.CBORUnmarshaler, error) {
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m, found := ar.Methods[actCode][method]
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if !found {
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return nil, fmt.Errorf("unknown method %d for actor %s", method, actCode)
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return nil, fmt.Errorf("unknown method %d for actor %s: %w", method, actCode, ErrMetadataNotFound)
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}
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return reflect.New(m.Params.Elem()).Interface().(cbg.CBORUnmarshaler), nil
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}
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1
itests/contracts/SimpleCoin.bin
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1
itests/contracts/SimpleCoin.bin
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@ -0,0 +1 @@
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31
itests/contracts/SimpleCoin.sol
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31
itests/contracts/SimpleCoin.sol
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@ -0,0 +1,31 @@
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// SPDX-License-Identifier: MIT
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pragma solidity >=0.4.2;
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contract SimpleCoin {
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mapping(address => uint256) balances;
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event Transfer(address indexed _from, address indexed _to, uint256 _value);
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constructor() {
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balances[tx.origin] = 10000;
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}
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function sendCoin(address receiver, uint256 amount)
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public
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returns (bool sufficient)
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{
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if (balances[msg.sender] < amount) return false;
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balances[msg.sender] -= amount;
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balances[receiver] += amount;
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emit Transfer(msg.sender, receiver, amount);
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return true;
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}
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function getBalanceInEth(address addr) public view returns (uint256) {
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return getBalance(addr) * 2;
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}
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function getBalance(address addr) public view returns (uint256) {
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return balances[addr];
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}
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}
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171
itests/fevm_test.go
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171
itests/fevm_test.go
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@ -0,0 +1,171 @@
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package itests
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import (
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"bytes"
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"context"
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"encoding/binary"
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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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cbg "github.com/whyrusleeping/cbor-gen"
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"github.com/filecoin-project/go-address"
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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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builtintypes "github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/go-state-types/builtin/v10/eam"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/itests/kit"
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)
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// TestFEVMBasic does a basic fevm contract installation and invocation
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func TestFEVMBasic(t *testing.T) {
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// TODO the contract installation and invocation can be lifted into utility methods
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// He who writes the second test, shall do that.
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kit.QuietMiningLogs()
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blockTime := 100 * time.Millisecond
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client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
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ens.InterconnectAll().BeginMining(blockTime)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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// install contract
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contractHex, err := os.ReadFile("contracts/SimpleCoin.bin")
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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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fromAddr, err := client.WalletDefaultAddress(ctx)
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require.NoError(t, err)
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nonce, err := client.MpoolGetNonce(ctx, fromAddr)
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if err != nil {
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nonce = 0 // assume a zero nonce on error (e.g. sender doesn't exist).
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}
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var salt [32]byte
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binary.BigEndian.PutUint64(salt[:], nonce)
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method := builtintypes.MethodsEAM.Create2
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params, err := actors.SerializeParams(&eam.Create2Params{
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Initcode: contract,
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Salt: salt,
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})
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require.NoError(t, err)
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msg := &types.Message{
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To: builtintypes.EthereumAddressManagerActorAddr,
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From: fromAddr,
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Value: big.Zero(),
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Method: method,
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Params: params,
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}
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t.Log("sending create message")
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smsg, err := client.MpoolPushMessage(ctx, msg, nil)
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require.NoError(t, err)
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t.Log("waiting for message to execute")
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wait, err := client.StateWaitMsg(ctx, smsg.Cid(), 0, 0, false)
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require.NoError(t, err)
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require.True(t, wait.Receipt.ExitCode.IsSuccess(), "contract installation failed")
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var result eam.CreateReturn
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r := bytes.NewReader(wait.Receipt.Return)
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err = result.UnmarshalCBOR(r)
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require.NoError(t, err)
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idAddr, err := address.NewIDAddress(result.ActorID)
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require.NoError(t, err)
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t.Logf("actor ID address is %s", idAddr)
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// invoke the contract with owner
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{
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entryPoint, err := hex.DecodeString("f8b2cb4f")
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require.NoError(t, err)
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inputData, err := hex.DecodeString("000000000000000000000000ff00000000000000000000000000000000000064")
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require.NoError(t, err)
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params := append(entryPoint, inputData...)
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var buffer bytes.Buffer
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err = cbg.WriteByteArray(&buffer, params)
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require.NoError(t, err)
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params = buffer.Bytes()
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msg := &types.Message{
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To: idAddr,
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From: fromAddr,
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Value: big.Zero(),
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Method: abi.MethodNum(2),
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Params: params,
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}
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t.Log("sending invoke message")
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smsg, err := client.MpoolPushMessage(ctx, msg, nil)
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require.NoError(t, err)
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t.Log("waiting for message to execute")
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wait, err := client.StateWaitMsg(ctx, smsg.Cid(), 0, 0, false)
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require.NoError(t, err)
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require.True(t, wait.Receipt.ExitCode.IsSuccess(), "contract execution failed")
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result, err := cbg.ReadByteArray(bytes.NewBuffer(wait.Receipt.Return), uint64(len(wait.Receipt.Return)))
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require.NoError(t, err)
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expectedResult, err := hex.DecodeString("0000000000000000000000000000000000000000000000000000000000002710")
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require.NoError(t, err)
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require.Equal(t, result, expectedResult)
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}
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// invoke the contract with non owner
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{
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entryPoint, err := hex.DecodeString("f8b2cb4f")
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require.NoError(t, err)
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inputData, err := hex.DecodeString("000000000000000000000000ff00000000000000000000000000000000000065")
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require.NoError(t, err)
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params := append(entryPoint, inputData...)
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var buffer bytes.Buffer
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err = cbg.WriteByteArray(&buffer, params)
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require.NoError(t, err)
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params = buffer.Bytes()
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msg := &types.Message{
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To: idAddr,
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From: fromAddr,
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Value: big.Zero(),
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Method: abi.MethodNum(2),
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Params: params,
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}
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t.Log("sending invoke message")
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smsg, err := client.MpoolPushMessage(ctx, msg, nil)
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require.NoError(t, err)
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t.Log("waiting for message to execute")
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wait, err := client.StateWaitMsg(ctx, smsg.Cid(), 0, 0, false)
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require.NoError(t, err)
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require.True(t, wait.Receipt.ExitCode.IsSuccess(), "contract execution failed")
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result, err := cbg.ReadByteArray(bytes.NewBuffer(wait.Receipt.Return), uint64(len(wait.Receipt.Return)))
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require.NoError(t, err)
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expectedResult, err := hex.DecodeString("0000000000000000000000000000000000000000000000000000000000000000")
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require.NoError(t, err)
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require.Equal(t, result, expectedResult)
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}
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}
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@ -4,6 +4,7 @@ import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"strconv"
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@ -617,15 +618,23 @@ func (m *StateModule) StateWaitMsg(ctx context.Context, msg cid.Cid, confidence
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t, err := stmgr.GetReturnType(ctx, m.StateManager, vmsg.To, vmsg.Method, ts)
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if err != nil {
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if errors.Is(err, stmgr.ErrMetadataNotFound) {
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// This is not nececessary an error -- EVM methods (and in the future native actors) may
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// return just bytes, and in the not so distant future we'll have native wasm actors
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// that are by definition not in the registry.
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// So in this case, log a debug message and retun the raw bytes.
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log.Debugf("failed to get return type: %s", err)
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returndec = recpt.Return
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} else {
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return nil, xerrors.Errorf("failed to get return type: %w", err)
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}
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} else {
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if err := t.UnmarshalCBOR(bytes.NewReader(recpt.Return)); err != nil {
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return nil, err
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}
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returndec = t
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}
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}
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return &api.MsgLookup{
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Message: found,
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