refactor evm function parameters by HelperContext

action/protocol/execution/evm/context.go

@@ -0,0 +1,33 @@
+package evm
+
+import (
+	"context"
+
+	"github.com/iotexproject/iotex-core/pkg/log"
+)
+
+type (
+	helperContextKey struct{}
+
+	// HelperContext is the context for EVM helper
+	HelperContext struct {
+		GetBlockHash   GetBlockHash
+		DepositGasFunc DepositGasWithSGD
+		// TODO: sgd should be moved into depositGasFunc
+		Sgd SGDRegistry
+	}
+)
+
+// WithHelperCtx returns a new context with helper context
+func WithHelperCtx(ctx context.Context, hctx HelperContext) context.Context {
+	return context.WithValue(ctx, helperContextKey{}, hctx)
+}
+
+// mustGetHelperCtx returns the helper context from the context
+func mustGetHelperCtx(ctx context.Context) HelperContext {
+	hc, ok := ctx.Value(helperContextKey{}).(HelperContext)
+	if !ok {
+		log.S().Panic("Miss evm helper context")
+	}
+	return hc
+}

action/protocol/execution/evm/evm.go

@@ -97,6 +97,7 @@ type (
 		genesis      genesis.Blockchain
 		featureCtx   protocol.FeatureCtx
 		actionCtx    protocol.ActionCtx
+		helperCtx    HelperContext
 	}
 )
 
@@ -105,15 +106,16 @@ func newParams(
 	ctx context.Context,
 	execution *action.Execution,
 	stateDB *StateDBAdapter,
-	getBlockHash GetBlockHash,
 ) (*Params, error) {
 	var (
 		actionCtx    = protocol.MustGetActionCtx(ctx)
 		blkCtx       = protocol.MustGetBlockCtx(ctx)
 		featureCtx   = protocol.MustGetFeatureCtx(ctx)
 		g            = genesis.MustExtractGenesisContext(ctx)
+		helperCtx    = mustGetHelperCtx(ctx)
 		evmNetworkID = protocol.MustGetBlockchainCtx(ctx).EvmNetworkID
 		executorAddr = common.BytesToAddress(actionCtx.Caller.Bytes())
+		getBlockHash = helperCtx.GetBlockHash
 
 		vmConfig            vm.Config
 		contractAddrPointer *common.Address
@@ -198,6 +200,7 @@ func newParams(
 		g.Blockchain,
 		featureCtx,
 		actionCtx,
+		helperCtx,
 	}, nil
 }
 
@@ -224,9 +227,6 @@ func ExecuteContract(
 	ctx context.Context,
 	sm protocol.StateManager,
 	execution *action.Execution,
-	getBlockHash GetBlockHash,
-	depositGasFunc DepositGasWithSGD,
-	sgd SGDRegistry,
 ) ([]byte, *action.Receipt, error) {
 	ctx, span := tracer.NewSpan(ctx, "evm.ExecuteContract")
 	defer span.End()
@@ -235,10 +235,11 @@ func ExecuteContract(
 	if err != nil {
 		return nil, nil, err
 	}
-	ps, err := newParams(ctx, execution, stateDB, getBlockHash)
+	ps, err := newParams(ctx, execution, stateDB)
 	if err != nil {
 		return nil, nil, err
 	}
+	sgd := ps.helperCtx.Sgd
 	retval, depositGas, remainingGas, contractAddress, statusCode, err := executeInEVM(ps, stateDB)
 	if err != nil {
 		return nil, nil, err
@@ -289,7 +290,7 @@ func ExecuteContract(
 			sharedGasFee.Mul(sharedGasFee, ps.txCtx.GasPrice)
 		}
 		totalGasFee = new(big.Int).Mul(new(big.Int).SetUint64(consumedGas), ps.txCtx.GasPrice)
-		depositLog, err = depositGasFunc(ctx, sm, receiver, totalGasFee, sharedGasFee)
+		depositLog, err = ps.helperCtx.DepositGasFunc(ctx, sm, receiver, totalGasFee, sharedGasFee)
 		if err != nil {
 			return nil, nil, err
 		}
@@ -610,7 +611,6 @@ func SimulateExecution(
 	sm protocol.StateManager,
 	caller address.Address,
 	ex *action.Execution,
-	getBlockHash GetBlockHash,
 ) ([]byte, *action.Receipt, error) {
 	ctx, span := tracer.NewSpan(ctx, "evm.SimulateExecution")
 	defer span.End()
@@ -638,14 +638,17 @@ func SimulateExecution(
 	)
 
 	ctx = protocol.WithFeatureCtx(ctx)
+	helperCtx := mustGetHelperCtx(ctx)
+	ctx = WithHelperCtx(ctx, HelperContext{
+		GetBlockHash: helperCtx.GetBlockHash,
+		DepositGasFunc: func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
+			return nil, nil
+		},
+		Sgd: nil,
+	})
 	return ExecuteContract(
 		ctx,
 		sm,
 		ex,
-		getBlockHash,
-		func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
-			return nil, nil
-		},
-		nil,
 	)
 }

action/protocol/execution/protocol.go

@@ -8,11 +8,11 @@ package execution
 import (
 	"context"
 
+	"github.com/iotexproject/go-pkgs/hash"
+	"github.com/iotexproject/iotex-address/address"
 	"github.com/pkg/errors"
 	"go.uber.org/zap"
 
-	"github.com/iotexproject/go-pkgs/hash"
-	"github.com/iotexproject/iotex-address/address"
 	"github.com/iotexproject/iotex-core/action"
 	"github.com/iotexproject/iotex-core/action/protocol"
 	"github.com/iotexproject/iotex-core/action/protocol/execution/evm"
@@ -66,7 +66,12 @@ func (p *Protocol) Handle(ctx context.Context, act action.Action, sm protocol.St
 	if !ok {
 		return nil, nil
 	}
-	_, receipt, err := evm.ExecuteContract(ctx, sm, exec, p.getBlockHash, p.depositGas, p.sgdRegistry)
+	ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+		GetBlockHash:   p.getBlockHash,
+		DepositGasFunc: p.depositGas,
+		Sgd:            p.sgdRegistry,
+	})
+	_, receipt, err := evm.ExecuteContract(ctx, sm, exec)
 
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to execute contract")

action/protocol/poll/consortium.go

@@ -11,16 +11,17 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/iotexproject/go-pkgs/hash"
 	"github.com/iotexproject/iotex-address/address"
+	"github.com/iotexproject/iotex-proto/golang/iotextypes"
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+
 	"github.com/iotexproject/iotex-core/action"
 	"github.com/iotexproject/iotex-core/action/protocol"
 	"github.com/iotexproject/iotex-core/action/protocol/execution/evm"
 	"github.com/iotexproject/iotex-core/action/protocol/rolldpos"
 	"github.com/iotexproject/iotex-core/blockchain/genesis"
 	"github.com/iotexproject/iotex-core/pkg/log"
 	"github.com/iotexproject/iotex-core/state"
-	"github.com/iotexproject/iotex-proto/golang/iotextypes"
-	"github.com/pkg/errors"
-	"go.uber.org/zap"
 )
 
 var (
@@ -124,19 +125,21 @@ func (cc *consortiumCommittee) CreateGenesisStates(ctx context.Context, sm proto
 	}
 	ctx = protocol.WithActionCtx(ctx, actionCtx)
 	ctx = protocol.WithBlockCtx(ctx, blkCtx)
+	ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+		GetBlockHash: func(height uint64) (hash.Hash256, error) {
+			return hash.ZeroHash256, nil
+		},
+		DepositGasFunc: func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
+			return nil, nil
+		},
+		Sgd: nil,
+	})
 
 	// deploy consortiumCommittee contract
 	_, receipt, err := evm.ExecuteContract(
 		ctx,
 		sm,
 		execution,
-		func(height uint64) (hash.Hash256, error) {
-			return hash.ZeroHash256, nil
-		},
-		func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
-			return nil, nil
-		},
-		nil,
 	)
 	if err != nil {
 		return err
@@ -291,7 +294,10 @@ func getContractReaderForGenesisStates(ctx context.Context, sm protocol.StateMan
 			return nil, err
 		}
 
-		res, _, err := evm.SimulateExecution(ctx, sm, addr, ex, getBlockHash)
+		ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+			GetBlockHash: getBlockHash,
+		})
+		res, _, err := evm.SimulateExecution(ctx, sm, addr, ex)
 
 		return res, err
 	}

action/protocol/poll/staking_committee.go

@@ -135,18 +135,20 @@ func (sc *stakingCommittee) CreateGenesisStates(ctx context.Context, sm protocol
 	}
 	ctx = protocol.WithActionCtx(ctx, actionCtx)
 	ctx = protocol.WithBlockCtx(ctx, blkCtx)
+	ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+		GetBlockHash: func(height uint64) (hash.Hash256, error) {
+			return hash.ZeroHash256, nil
+		},
+		DepositGasFunc: func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
+			return nil, nil
+		},
+		Sgd: nil,
+	})
 	// deploy native staking contract
 	_, receipt, err := evm.ExecuteContract(
 		ctx,
 		sm,
 		execution,
-		func(height uint64) (hash.Hash256, error) {
-			return hash.ZeroHash256, nil
-		},
-		func(context.Context, protocol.StateManager, address.Address, *big.Int, *big.Int) (*action.TransactionLog, error) {
-			return nil, nil
-		},
-		nil,
 	)
 	if err != nil {
 		return err

api/coreservice.go

@@ -517,7 +517,7 @@ func (core *coreService) ReadContract(ctx context.Context, callerAddr address.Ad
 	}
 	sc.SetGasPrice(big.NewInt(0)) // ReadContract() is read-only, use 0 to prevent insufficient gas
 
-	retval, receipt, err := core.sf.SimulateExecution(ctx, callerAddr, sc, core.dao.GetBlockHash)
+	retval, receipt, err := core.simulateExecution(ctx, callerAddr, sc, core.dao.GetBlockHash)
 	if err != nil {
 		return "", nil, status.Error(codes.Internal, err.Error())
 	}
@@ -1479,7 +1479,8 @@ func (core *coreService) isGasLimitEnough(
 	if err != nil {
 		return false, nil, err
 	}
-	_, receipt, err := core.sf.SimulateExecution(ctx, caller, sc, core.dao.GetBlockHash)
+
+	_, receipt, err := core.simulateExecution(ctx, caller, sc, core.dao.GetBlockHash)
 	if err != nil {
 		return false, nil, err
 	}
@@ -1628,7 +1629,7 @@ func (core *coreService) SimulateExecution(ctx context.Context, addr address.Add
 		return nil, nil, err
 	}
 	exec.SetGasLimit(core.bc.Genesis().BlockGasLimit)
-	return core.sf.SimulateExecution(ctx, addr, exec, core.dao.GetBlockHash)
+	return core.simulateExecution(ctx, addr, exec, core.dao.GetBlockHash)
 }
 
 // SyncingProgress returns the syncing status of node
@@ -1715,7 +1716,7 @@ func (core *coreService) TraceCall(ctx context.Context,
 	getblockHash := func(height uint64) (hash.Hash256, error) {
 		return blkHash, nil
 	}
-	retval, receipt, err := core.sf.SimulateExecution(ctx, callerAddr, exec, getblockHash)
+	retval, receipt, err := core.simulateExecution(ctx, callerAddr, exec, getblockHash)
 	return retval, receipt, traces, err
 }
 
@@ -1731,3 +1732,10 @@ func (core *coreService) Track(ctx context.Context, start time.Time, method stri
 		Success:      success,
 	}, size)
 }
+
+func (core *coreService) simulateExecution(ctx context.Context, addr address.Address, exec *action.Execution, getBlockHash evm.GetBlockHash) ([]byte, *action.Receipt, error) {
+	ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+		GetBlockHash: getBlockHash,
+	})
+	return core.sf.SimulateExecution(ctx, addr, exec)
+}

chainservice/builder.go

@@ -21,6 +21,7 @@ import (
 	"github.com/iotexproject/iotex-core/action/protocol/account"
 	accountutil "github.com/iotexproject/iotex-core/action/protocol/account/util"
 	"github.com/iotexproject/iotex-core/action/protocol/execution"
+	"github.com/iotexproject/iotex-core/action/protocol/execution/evm"
 	"github.com/iotexproject/iotex-core/action/protocol/poll"
 	"github.com/iotexproject/iotex-core/action/protocol/rewarding"
 	"github.com/iotexproject/iotex-core/action/protocol/rolldpos"
@@ -617,7 +618,10 @@ func (builder *Builder) registerRollDPoSProtocol() error {
 				return nil, err
 			}
 
-			data, _, err := factory.SimulateExecution(ctx, addr, ex, dao.GetBlockHash)
+			ctx = evm.WithHelperCtx(ctx, evm.HelperContext{
+				GetBlockHash: dao.GetBlockHash,
+			})
+			data, _, err := factory.SimulateExecution(ctx, addr, ex)
 
 			return data, err
 		},

state/factory/factory.go

@@ -86,7 +86,7 @@ type (
 		Validate(context.Context, *block.Block) error
 		// NewBlockBuilder creates block builder
 		NewBlockBuilder(context.Context, actpool.ActPool, func(action.Envelope) (action.SealedEnvelope, error)) (*block.Builder, error)
-		SimulateExecution(context.Context, address.Address, *action.Execution, evm.GetBlockHash) ([]byte, *action.Receipt, error)
+		SimulateExecution(context.Context, address.Address, *action.Execution) ([]byte, *action.Receipt, error)
 		ReadContractStorage(context.Context, address.Address, []byte) ([]byte, error)
 		PutBlock(context.Context, *block.Block) error
 		DeleteTipBlock(context.Context, *block.Block) error
@@ -387,7 +387,6 @@ func (sf *factory) SimulateExecution(
 	ctx context.Context,
 	caller address.Address,
 	ex *action.Execution,
-	getBlockHash evm.GetBlockHash,
 ) ([]byte, *action.Receipt, error) {
 	ctx, span := tracer.NewSpan(ctx, "factory.SimulateExecution")
 	defer span.End()
@@ -399,7 +398,7 @@ func (sf *factory) SimulateExecution(
 		return nil, nil, errors.Wrap(err, "failed to obtain working set from state factory")
 	}
 
-	return evm.SimulateExecution(ctx, ws, caller, ex, getBlockHash)
+	return evm.SimulateExecution(ctx, ws, caller, ex)
 }
 
 // ReadContractStorage reads contract's storage

state/factory/statedb.go

@@ -267,7 +267,6 @@ func (sdb *stateDB) SimulateExecution(
 	ctx context.Context,
 	caller address.Address,
 	ex *action.Execution,
-	getBlockHash evm.GetBlockHash,
 ) ([]byte, *action.Receipt, error) {
 	ctx, span := tracer.NewSpan(ctx, "stateDB.SimulateExecution")
 	defer span.End()
@@ -280,7 +279,7 @@ func (sdb *stateDB) SimulateExecution(
 		return nil, nil, err
 	}
 
-	return evm.SimulateExecution(ctx, ws, caller, ex, getBlockHash)
+	return evm.SimulateExecution(ctx, ws, caller, ex)
 }
 
 // ReadContractStorage reads contract's storage