From 4d6efae73c73d01a37430266130816ff03aad7e7 Mon Sep 17 00:00:00 2001
From: Zhijie Shen <35021395+zjshen14@users.noreply.github.com>
Date: Wed, 13 Mar 2019 21:38:55 -0700
Subject: [PATCH] Remove admin and its operations from rewarding protocol
 (#740)

---
 action/action.go                              |   8 -
 action/protocol/rewarding/admin.go            | 112 -------
 action/protocol/rewarding/admin_test.go       | 121 -------
 action/protocol/rewarding/protocol.go         |  15 -
 action/protocol/rewarding/protocol_test.go    |   6 -
 .../rewarding/rewardingpb/rewarding.pb.go     |  41 +--
 .../rewarding/rewardingpb/rewarding.proto     |   1 -
 action/rewardmsg_test.go                      |  12 -
 action/setreward.go                           | 127 --------
 blockchain/blockchain.go                      |   1 -
 blockchain/genesis/genesis.go                 |  13 -
 blockchain/genesis/genesis_test.go            |   3 +-
 proto/types/action.proto                      |   9 +-
 protogen/iotextypes/action.pb.go              | 296 +++++++-----------
 tools/staterecoverer/staterecoverer.go        |   2 +-
 15 files changed, 130 insertions(+), 637 deletions(-)
 delete mode 100644 action/protocol/rewarding/admin_test.go
 delete mode 100644 action/setreward.go

diff --git a/action/action.go b/action/action.go
index 05ea231013..66aaca9f78 100644
--- a/action/action.go
+++ b/action/action.go
@@ -135,8 +135,6 @@ func (elp *Envelope) Proto() *iotextypes.ActionCore {
 		actCore.Action = &iotextypes.ActionCore_SettleDeposit{SettleDeposit: act.Proto()}
 	case *GrantReward:
 		actCore.Action = &iotextypes.ActionCore_GrantReward{GrantReward: act.Proto()}
-	case *SetReward:
-		actCore.Action = &iotextypes.ActionCore_SetReward{SetReward: act.Proto()}
 	case *ClaimFromRewardingFund:
 		actCore.Action = &iotextypes.ActionCore_ClaimFromRewardingFund{ClaimFromRewardingFund: act.Proto()}
 	case *DepositToRewardingFund:
@@ -219,12 +217,6 @@ func (elp *Envelope) LoadProto(pbAct *iotextypes.ActionCore) error {
 			return err
 		}
 		elp.payload = act
-	case pbAct.GetSetReward() != nil:
-		act := &SetReward{}
-		if err := act.LoadProto(pbAct.GetSetReward()); err != nil {
-			return err
-		}
-		elp.payload = act
 	case pbAct.GetClaimFromRewardingFund() != nil:
 		act := &ClaimFromRewardingFund{}
 		if err := act.LoadProto(pbAct.GetClaimFromRewardingFund()); err != nil {
diff --git a/action/protocol/rewarding/admin.go b/action/protocol/rewarding/admin.go
index 38d52fc3a9..b8681f3487 100644
--- a/action/protocol/rewarding/admin.go
+++ b/action/protocol/rewarding/admin.go
@@ -7,7 +7,6 @@
 package rewarding
 
 import (
-	"bytes"
 	"context"
 	"math/big"
 
@@ -21,7 +20,6 @@ import (
 
 // admin stores the admin data of the rewarding protocol
 type admin struct {
-	admin                      address.Address
 	blockReward                *big.Int
 	epochReward                *big.Int
 	numDelegatesForEpochReward uint64
@@ -30,7 +28,6 @@ type admin struct {
 // Serialize serializes admin state into bytes
 func (a admin) Serialize() ([]byte, error) {
 	gen := rewardingpb.Admin{
-		Admin:                      a.admin.Bytes(),
 		BlockReward:                a.blockReward.String(),
 		EpochReward:                a.epochReward.String(),
 		NumDelegatesForEpochReward: a.numDelegatesForEpochReward,
@@ -44,10 +41,6 @@ func (a *admin) Deserialize(data []byte) error {
 	if err := proto.Unmarshal(data, &gen); err != nil {
 		return err
 	}
-	var err error
-	if a.admin, err = address.FromBytes(gen.Admin); err != nil {
-		return err
-	}
 	blockReward, ok := big.NewInt(0).SetString(gen.BlockReward, 10)
 	if !ok {
 		return errors.New("failed to set block reward")
@@ -97,7 +90,6 @@ func (e *exempt) Deserialize(data []byte) error {
 func (p *Protocol) Initialize(
 	ctx context.Context,
 	sm protocol.StateManager,
-	adminAddr address.Address,
 	initBalance *big.Int,
 	blockReward *big.Int,
 	epochReward *big.Int,
@@ -118,7 +110,6 @@ func (p *Protocol) Initialize(
 		sm,
 		adminKey,
 		&admin{
-			admin:                      adminAddr,
 			blockReward:                blockReward,
 			epochReward:                epochReward,
 			numDelegatesForEpochReward: numDelegatesForEpochReward,
@@ -145,36 +136,6 @@ func (p *Protocol) Initialize(
 	)
 }
 
-// Admin returns the address of current admin
-func (p *Protocol) Admin(
-	_ context.Context,
-	sm protocol.StateManager,
-) (address.Address, error) {
-	admin := admin{}
-	if err := p.state(sm, adminKey, &admin); err != nil {
-		return nil, err
-	}
-	return admin.admin, nil
-}
-
-// SetAdmin sets a new admin address. Only the current admin could make this change
-func (p *Protocol) SetAdmin(
-	ctx context.Context,
-	sm protocol.StateManager,
-	addr address.Address,
-) error {
-	raCtx := protocol.MustGetRunActionsCtx(ctx)
-	if err := p.assertAdminPermission(raCtx, sm); err != nil {
-		return err
-	}
-	a := admin{}
-	if err := p.state(sm, adminKey, &a); err != nil {
-		return err
-	}
-	a.admin = addr
-	return p.putState(sm, adminKey, &a)
-}
-
 // BlockReward returns the block reward amount
 func (p *Protocol) BlockReward(
 	_ context.Context,
@@ -187,15 +148,6 @@ func (p *Protocol) BlockReward(
 	return a.blockReward, nil
 }
 
-// SetBlockReward sets the block reward amount for the block rewarding. Only the current admin could make this change
-func (p *Protocol) SetBlockReward(
-	ctx context.Context,
-	sm protocol.StateManager,
-	amount *big.Int,
-) error {
-	return p.setReward(ctx, sm, amount, true)
-}
-
 // EpochReward returns the epoch reward amount
 func (p *Protocol) EpochReward(
 	_ context.Context,
@@ -208,16 +160,6 @@ func (p *Protocol) EpochReward(
 	return a.epochReward, nil
 }
 
-// SetEpochReward sets the epoch reward amount shared by all beneficiaries in an epoch. Only the current admin could
-// make this change
-func (p *Protocol) SetEpochReward(
-	ctx context.Context,
-	sm protocol.StateManager,
-	amount *big.Int,
-) error {
-	return p.setReward(ctx, sm, amount, false)
-}
-
 // NumDelegatesForEpochReward returns the number of candidates sharing an epoch reward
 func (p *Protocol) NumDelegatesForEpochReward(
 	_ context.Context,
@@ -230,24 +172,6 @@ func (p *Protocol) NumDelegatesForEpochReward(
 	return a.numDelegatesForEpochReward, nil
 }
 
-// SetNumDelegatesForEpochReward sets the number of candidates sharing an epoch reward
-func (p *Protocol) SetNumDelegatesForEpochReward(
-	ctx context.Context,
-	sm protocol.StateManager,
-	num uint64,
-) error {
-	raCtx := protocol.MustGetRunActionsCtx(ctx)
-	if err := p.assertAdminPermission(raCtx, sm); err != nil {
-		return err
-	}
-	a := admin{}
-	if err := p.state(sm, adminKey, &a); err != nil {
-		return err
-	}
-	a.numDelegatesForEpochReward = num
-	return p.putState(sm, adminKey, &a)
-}
-
 func (p *Protocol) assertAmount(amount *big.Int) error {
 	if amount.Cmp(big.NewInt(0)) >= 0 {
 		return nil
@@ -255,45 +179,9 @@ func (p *Protocol) assertAmount(amount *big.Int) error {
 	return errors.Errorf("reward amount %s shouldn't be negative", amount.String())
 }
 
-func (p *Protocol) assertAdminPermission(raCtx protocol.RunActionsCtx, sm protocol.StateManager) error {
-	a := admin{}
-	if err := p.state(sm, adminKey, &a); err != nil {
-		return err
-	}
-	if bytes.Equal(a.admin.Bytes(), raCtx.Caller.Bytes()) {
-		return nil
-	}
-	return errors.Errorf("%s is not the rewarding protocol admin", raCtx.Caller.String())
-}
-
 func (p *Protocol) assertZeroBlockHeight(height uint64) error {
 	if height != 0 {
 		return errors.Errorf("current block height %d is not zero", height)
 	}
 	return nil
 }
-
-func (p *Protocol) setReward(
-	ctx context.Context,
-	sm protocol.StateManager,
-	amount *big.Int,
-	blockLevel bool,
-) error {
-	raCtx := protocol.MustGetRunActionsCtx(ctx)
-	if err := p.assertAdminPermission(raCtx, sm); err != nil {
-		return err
-	}
-	if err := p.assertAmount(amount); err != nil {
-		return err
-	}
-	a := admin{}
-	if err := p.state(sm, adminKey, &a); err != nil {
-		return err
-	}
-	if blockLevel {
-		a.blockReward = amount
-	} else {
-		a.epochReward = amount
-	}
-	return p.putState(sm, adminKey, &a)
-}
diff --git a/action/protocol/rewarding/admin_test.go b/action/protocol/rewarding/admin_test.go
deleted file mode 100644
index 3c44d340d2..0000000000
--- a/action/protocol/rewarding/admin_test.go
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
-
-package rewarding
-
-import (
-	"context"
-	"math/big"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	"github.com/iotexproject/iotex-core/action/protocol"
-	"github.com/iotexproject/iotex-core/state/factory"
-	"github.com/iotexproject/iotex-core/test/testaddress"
-)
-
-func TestProtocol_Admin(t *testing.T) {
-	testProtocol(t, func(t *testing.T, ctx context.Context, stateDB factory.Factory, p *Protocol) {
-		// Update block reward
-		ws, err := stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.NoError(t, p.SetBlockReward(ctx, ws, big.NewInt(20)))
-		stateDB.Commit(ws)
-
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		blockReward, err := p.BlockReward(ctx, ws)
-		require.NoError(t, err)
-		assert.Equal(t, big.NewInt(20), blockReward)
-
-		// Set block reward again will fail because caller is not admin
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.NoError(t, err)
-		require.Error(t, p.SetBlockReward(
-			protocol.WithRunActionsCtx(
-				context.Background(),
-				protocol.RunActionsCtx{
-					Caller: testaddress.Addrinfo["bravo"],
-				},
-			),
-			ws,
-			big.NewInt(30),
-		))
-
-		// Update epoch reward
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.NoError(t, p.SetEpochReward(ctx, ws, big.NewInt(200)))
-		stateDB.Commit(ws)
-
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		epochReward, err := p.EpochReward(ctx, ws)
-		require.NoError(t, err)
-		assert.Equal(t, big.NewInt(200), epochReward)
-
-		// Set epoch reward again will fail because caller is not admin
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.Error(t, p.SetEpochReward(
-			protocol.WithRunActionsCtx(
-				context.Background(),
-				protocol.RunActionsCtx{
-					Caller: testaddress.Addrinfo["bravo"],
-				},
-			),
-			ws,
-			big.NewInt(300),
-		))
-
-		// Update num of candidates to share a epoch reward
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.NoError(t, p.SetNumDelegatesForEpochReward(ctx, ws, 20))
-		stateDB.Commit(ws)
-
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		numDelegatesForEpochReward, err := p.NumDelegatesForEpochReward(ctx, ws)
-		require.NoError(t, err)
-		assert.Equal(t, uint64(20), numDelegatesForEpochReward)
-
-		// Set num of candidates again will fail because caller is not admin
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.Error(t, p.SetNumDelegatesForEpochReward(
-			protocol.WithRunActionsCtx(
-				context.Background(),
-				protocol.RunActionsCtx{
-					Caller: testaddress.Addrinfo["bravo"],
-				},
-			),
-			ws,
-			30,
-		))
-
-		// Update admin
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.NoError(t, p.SetAdmin(ctx, ws, testaddress.Addrinfo["charlie"]))
-		stateDB.Commit(ws)
-
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		adminAddr, err := p.Admin(ctx, ws)
-		require.NoError(t, err)
-		assert.Equal(t, testaddress.Addrinfo["charlie"].Bytes(), adminAddr.Bytes())
-
-		// Update admin again will fail because addr is no longer the admin
-		ws, err = stateDB.NewWorkingSet()
-		require.NoError(t, err)
-		require.Error(t, p.SetAdmin(ctx, ws, testaddress.Addrinfo["delta"]))
-	}, false)
-
-}
diff --git a/action/protocol/rewarding/protocol.go b/action/protocol/rewarding/protocol.go
index 2e69884843..da7594346a 100644
--- a/action/protocol/rewarding/protocol.go
+++ b/action/protocol/rewarding/protocol.go
@@ -71,21 +71,6 @@ func (p *Protocol) Handle(
 ) (*action.Receipt, error) {
 	// TODO: simplify the boilerplate
 	switch act := act.(type) {
-	case *action.SetReward:
-		switch act.RewardType() {
-		case action.BlockReward:
-			si := sm.Snapshot()
-			if err := p.SetBlockReward(ctx, sm, act.Amount()); err != nil {
-				return p.settleAction(ctx, sm, action.FailureReceiptStatus, si)
-			}
-			return p.settleAction(ctx, sm, action.SuccessReceiptStatus, si)
-		case action.EpochReward:
-			si := sm.Snapshot()
-			if err := p.SetEpochReward(ctx, sm, act.Amount()); err != nil {
-				return p.settleAction(ctx, sm, action.FailureReceiptStatus, si)
-			}
-			return p.settleAction(ctx, sm, action.SuccessReceiptStatus, si)
-		}
 	case *action.DepositToRewardingFund:
 		si := sm.Snapshot()
 		if err := p.Deposit(ctx, sm, act.Amount()); err != nil {
diff --git a/action/protocol/rewarding/protocol_test.go b/action/protocol/rewarding/protocol_test.go
index 74ac32b046..0425603916 100644
--- a/action/protocol/rewarding/protocol_test.go
+++ b/action/protocol/rewarding/protocol_test.go
@@ -95,7 +95,6 @@ func testProtocol(t *testing.T, test func(*testing.T, context.Context, factory.F
 			p.Initialize(
 				ctx,
 				ws,
-				testaddress.Addrinfo["alfa"],
 				big.NewInt(0),
 				big.NewInt(10),
 				big.NewInt(100),
@@ -110,7 +109,6 @@ func testProtocol(t *testing.T, test func(*testing.T, context.Context, factory.F
 			p.Initialize(
 				ctx,
 				ws,
-				testaddress.Addrinfo["alfa"],
 				big.NewInt(0),
 				big.NewInt(10),
 				big.NewInt(100),
@@ -131,9 +129,6 @@ func testProtocol(t *testing.T, test func(*testing.T, context.Context, factory.F
 	)
 	ws, err = stateDB.NewWorkingSet()
 	require.NoError(t, err)
-	adminAddr, err := p.Admin(ctx, ws)
-	require.NoError(t, err)
-	assert.Equal(t, testaddress.Addrinfo["alfa"].Bytes(), adminAddr.Bytes())
 	blockReward, err := p.BlockReward(ctx, ws)
 	require.NoError(t, err)
 	assert.Equal(t, big.NewInt(10), blockReward)
@@ -188,7 +183,6 @@ func TestProtocol_Handle(t *testing.T) {
 	require.NoError(t, p.Initialize(
 		ctx,
 		ws,
-		identityset.Address(0),
 		big.NewInt(1000000),
 		big.NewInt(10),
 		big.NewInt(100),
diff --git a/action/protocol/rewarding/rewardingpb/rewarding.pb.go b/action/protocol/rewarding/rewardingpb/rewarding.pb.go
index 38011598cd..316be1b4b7 100644
--- a/action/protocol/rewarding/rewardingpb/rewarding.pb.go
+++ b/action/protocol/rewarding/rewardingpb/rewarding.pb.go
@@ -21,7 +21,6 @@ var _ = math.Inf
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type Admin struct {
-	Admin                      []byte   `protobuf:"bytes,1,opt,name=admin,proto3" json:"admin,omitempty"`
 	BlockReward                string   `protobuf:"bytes,2,opt,name=blockReward,proto3" json:"blockReward,omitempty"`
 	EpochReward                string   `protobuf:"bytes,3,opt,name=epochReward,proto3" json:"epochReward,omitempty"`
 	NumDelegatesForEpochReward uint64   `protobuf:"varint,4,opt,name=numDelegatesForEpochReward,proto3" json:"numDelegatesForEpochReward,omitempty"`
@@ -55,13 +54,6 @@ func (m *Admin) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_Admin proto.InternalMessageInfo
 
-func (m *Admin) GetAdmin() []byte {
-	if m != nil {
-		return m.Admin
-	}
-	return nil
-}
-
 func (m *Admin) GetBlockReward() string {
 	if m != nil {
 		return m.BlockReward
@@ -250,21 +242,20 @@ func init() {
 func init() { proto.RegisterFile("rewarding.proto", fileDescriptor_a5a8d72c965c1359) }
 
 var fileDescriptor_a5a8d72c965c1359 = []byte{
-	// 244 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x90, 0x41, 0x4b, 0x03, 0x31,
-	0x10, 0x85, 0x89, 0xdd, 0xb6, 0x74, 0x5a, 0xa9, 0x04, 0x0f, 0x8b, 0x07, 0x09, 0xf1, 0xb2, 0x78,
-	0xf0, 0xe2, 0x5d, 0xa8, 0xd8, 0xe2, 0x39, 0x07, 0xef, 0xd9, 0x64, 0xa8, 0x8b, 0xd9, 0xcc, 0x92,
-	0x4d, 0x50, 0x7f, 0x8e, 0xff, 0x54, 0xba, 0xb1, 0xb2, 0x45, 0xf0, 0x96, 0xf9, 0xf8, 0x1e, 0x79,
-	0x3c, 0x58, 0x07, 0x7c, 0xd7, 0xc1, 0x36, 0x7e, 0x7f, 0xd7, 0x05, 0x8a, 0xc4, 0x97, 0xbf, 0xa0,
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-	0xab, 0x56, 0x2a, 0x1f, 0x5c, 0xc0, 0xb2, 0x76, 0x64, 0xde, 0xd4, 0x90, 0x29, 0xcf, 0x04, 0xab,
-	0x16, 0x6a, 0x8c, 0x0e, 0x06, 0x76, 0x64, 0x5e, 0x7f, 0x8c, 0x49, 0x36, 0x46, 0x88, 0x3f, 0xc0,
-	0x95, 0x4f, 0xed, 0x13, 0x3a, 0xdc, 0xeb, 0x88, 0xfd, 0x8e, 0xc2, 0x76, 0x14, 0x28, 0x04, 0xab,
-	0x0a, 0xf5, 0x8f, 0x21, 0x5f, 0xa0, 0xd8, 0x25, 0x6f, 0xb9, 0x84, 0x55, 0xa4, 0xa8, 0xdd, 0xa3,
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-	0xd1, 0x1e, 0xbd, 0x5c, 0xfa, 0x0f, 0x97, 0x6b, 0x38, 0xcf, 0x3f, 0x3c, 0x37, 0x7d, 0xa4, 0xf0,
-	0x29, 0x6f, 0x60, 0xbe, 0x31, 0x86, 0x92, 0x8f, 0xbc, 0x84, 0x79, 0x7d, 0x12, 0x3f, 0x9e, 0xf2,
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-	0x78, 0x01, 0x00, 0x00,
+	// 233 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x90, 0xc1, 0x4b, 0xc3, 0x30,
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+	0x31, 0x42, 0xfc, 0x1e, 0x2e, 0x5d, 0xb2, 0x8f, 0x68, 0xf0, 0x20, 0x23, 0xf6, 0x7b, 0x0a, 0xbb,
+	0x51, 0xa1, 0xa8, 0x58, 0x5d, 0x34, 0xff, 0x18, 0xe2, 0x19, 0x8a, 0x7d, 0x72, 0x9a, 0x0b, 0x58,
+	0x47, 0x8a, 0xd2, 0x3c, 0x48, 0x23, 0x9d, 0xc2, 0x92, 0x0d, 0x53, 0x13, 0xc6, 0x6f, 0xe0, 0x3c,
+	0x39, 0x65, 0x64, 0x67, 0x51, 0x1f, 0xbd, 0xfc, 0xe9, 0x3f, 0x5c, 0x6c, 0xe0, 0x2c, 0x2f, 0x3c,
+	0x75, 0x7d, 0xa4, 0xf0, 0x21, 0xae, 0x61, 0xb9, 0x55, 0x8a, 0x92, 0x8b, 0xbc, 0x84, 0x65, 0x3b,
+	0xa9, 0x1f, 0xa3, 0xb8, 0x82, 0xc5, 0xee, 0x1d, 0xad, 0x8f, 0xfc, 0x02, 0xe6, 0x52, 0xeb, 0xd0,
+	0x97, 0xac, 0x9a, 0xd5, 0xeb, 0x26, 0x87, 0x76, 0x31, 0xdc, 0xf3, 0xee, 0x2b, 0x00, 0x00, 0xff,
+	0xff, 0x54, 0x1a, 0x3e, 0x12, 0x62, 0x01, 0x00, 0x00,
 }
diff --git a/action/protocol/rewarding/rewardingpb/rewarding.proto b/action/protocol/rewarding/rewardingpb/rewarding.proto
index 15257a6290..c31f07caa3 100644
--- a/action/protocol/rewarding/rewardingpb/rewarding.proto
+++ b/action/protocol/rewarding/rewardingpb/rewarding.proto
@@ -10,7 +10,6 @@ syntax = "proto3";
 package rewardingpb;
 
 message Admin {
-    bytes admin = 1;
     string blockReward = 2;
     string epochReward = 3;
     uint64 numDelegatesForEpochReward = 4;
diff --git a/action/rewardmsg_test.go b/action/rewardmsg_test.go
index 5d8a4c5752..b28c62ad52 100644
--- a/action/rewardmsg_test.go
+++ b/action/rewardmsg_test.go
@@ -38,18 +38,6 @@ func TestClaimFromRewardingFund(t *testing.T) {
 	assert.Equal(t, s2.Data(), s2.Data())
 }
 
-func TestSetBlockReward(t *testing.T) {
-	b := SetRewardBuilder{}
-	s1 := b.SetAmount(big.NewInt(1)).
-		SetData([]byte{2}).
-		Build()
-	proto := s1.Proto()
-	s2 := SetReward{}
-	require.NoError(t, s2.LoadProto(proto))
-	assert.Equal(t, s1.Amount(), s2.Amount())
-	assert.Equal(t, s2.Data(), s2.Data())
-}
-
 func TestGrantBlockReward(t *testing.T) {
 	b := GrantRewardBuilder{}
 	s1 := b.SetRewardType(BlockReward).Build()
diff --git a/action/setreward.go b/action/setreward.go
deleted file mode 100644
index 8ee1a2f0bb..0000000000
--- a/action/setreward.go
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
-
-package action
-
-import (
-	"math"
-	"math/big"
-
-	"github.com/golang/protobuf/proto"
-	"github.com/pkg/errors"
-
-	"github.com/iotexproject/iotex-core/pkg/util/byteutil"
-	"github.com/iotexproject/iotex-core/protogen/iotextypes"
-)
-
-var (
-	setBlockRewardBaseGas    = uint64(10000)
-	setBlockRewardGasPerByte = uint64(100)
-)
-
-// SetReward is the action to update the reward amount
-type SetReward struct {
-	AbstractAction
-
-	amount *big.Int
-	data   []byte
-	t      int
-}
-
-// Amount returns the amount to reward
-func (s *SetReward) Amount() *big.Int { return s.amount }
-
-// Data returns the additional data
-func (s *SetReward) Data() []byte { return s.data }
-
-// RewardType returns the grant reward type
-func (s *SetReward) RewardType() int { return s.t }
-
-// ByteStream returns a raw byte stream of a set reward action
-func (s *SetReward) ByteStream() []byte {
-	return byteutil.Must(proto.Marshal(s.Proto()))
-}
-
-// Proto converts a set reward action struct to a set reward action protobuf
-func (s *SetReward) Proto() *iotextypes.SetReward {
-	sProto := iotextypes.SetReward{
-		Amount: s.amount.String(),
-		Data:   s.data,
-	}
-	switch s.t {
-	case BlockReward:
-		sProto.Type = iotextypes.RewardType_BlockReward
-	case EpochReward:
-		sProto.Type = iotextypes.RewardType_EpochReward
-	}
-	return &sProto
-}
-
-// LoadProto converts a set block rewarding reward action protobuf to a set reward action struct
-func (s *SetReward) LoadProto(sProto *iotextypes.SetReward) error {
-	*s = SetReward{}
-	amount, ok := big.NewInt(0).SetString(sProto.Amount, 10)
-	if !ok {
-		return errors.New("failed to set reward amount")
-	}
-	s.amount = amount
-	s.data = sProto.Data
-	switch sProto.Type {
-	case iotextypes.RewardType_BlockReward:
-		s.t = BlockReward
-	case iotextypes.RewardType_EpochReward:
-		s.t = EpochReward
-	}
-	return nil
-}
-
-// IntrinsicGas returns the intrinsic gas of a set reward action
-func (s *SetReward) IntrinsicGas() (uint64, error) {
-	dataLen := uint64(len(s.Data()))
-	if (math.MaxUint64-setBlockRewardBaseGas)/setBlockRewardGasPerByte < dataLen {
-		return 0, ErrOutOfGas
-	}
-	return setBlockRewardBaseGas + setBlockRewardGasPerByte*dataLen, nil
-}
-
-// Cost returns the total cost of a set reward action
-func (s *SetReward) Cost() (*big.Int, error) {
-	intrinsicGas, err := s.IntrinsicGas()
-	if err != nil {
-		return nil, errors.Wrap(err, "error when getting intrinsic gas for the set block reward action")
-	}
-	return big.NewInt(0).Mul(s.GasPrice(), big.NewInt(0).SetUint64(intrinsicGas)), nil
-}
-
-// SetRewardBuilder is the struct to build SetReward
-type SetRewardBuilder struct {
-	Builder
-	setReward SetReward
-}
-
-// SetAmount sets the amount to reward
-func (b *SetRewardBuilder) SetAmount(amount *big.Int) *SetRewardBuilder {
-	b.setReward.amount = amount
-	return b
-}
-
-// SetData sets the additional data
-func (b *SetRewardBuilder) SetData(data []byte) *SetRewardBuilder {
-	b.setReward.data = data
-	return b
-}
-
-// SetRewardType sets the grant reward type
-func (b *SetRewardBuilder) SetRewardType(t int) *SetRewardBuilder {
-	b.setReward.t = t
-	return b
-}
-
-// Build builds a new set reward action
-func (b *SetRewardBuilder) Build() SetReward {
-	b.setReward.AbstractAction = b.Builder.Build()
-	return b.setReward
-}
diff --git a/blockchain/blockchain.go b/blockchain/blockchain.go
index 2da87f3f31..4b8f3813f8 100644
--- a/blockchain/blockchain.go
+++ b/blockchain/blockchain.go
@@ -1174,7 +1174,6 @@ func (bc *blockchain) createRewardingGenesisStates(ctx context.Context, ws facto
 	return rp.Initialize(
 		ctx,
 		ws,
-		bc.config.Genesis.Rewarding.InitAdminAddr(),
 		bc.config.Genesis.InitBalance(),
 		bc.config.Genesis.BlockReward(),
 		bc.config.Genesis.EpochReward(),
diff --git a/blockchain/genesis/genesis.go b/blockchain/genesis/genesis.go
index 994156e6e2..6feb537319 100644
--- a/blockchain/genesis/genesis.go
+++ b/blockchain/genesis/genesis.go
@@ -55,7 +55,6 @@ func initDefaultConfig() {
 			EnableGravityChainVoting: false,
 		},
 		Rewarding: Rewarding{
-			InitAdminAddrStr:              identityset.Address(0).String(),
 			InitBalanceStr:                unit.ConvertIotxToRau(1200000000).String(),
 			BlockRewardStr:                unit.ConvertIotxToRau(36).String(),
 			EpochRewardStr:                unit.ConvertIotxToRau(400000).String(),
@@ -142,8 +141,6 @@ type (
 	}
 	// Rewarding contains the configs for rewarding protocol
 	Rewarding struct {
-		// InitAdminAddrStr is the address of the initial rewarding protocol admin in encoded string format
-		InitAdminAddrStr string `yaml:"initAdminAddr"`
 		// InitBalanceStr is the initial balance of the rewarding protocol in decimal string format
 		InitBalanceStr string `yaml:"initBalance"`
 		// BlockReward is the block reward amount in decimal string format
@@ -225,7 +222,6 @@ func (g *Genesis) Hash() hash.Hash256 {
 	}
 
 	rProto := iotextypes.GenesisRewarding{
-		InitAdminAddr:              g.InitAdminAddrStr,
 		InitBalance:                g.InitBalanceStr,
 		BlockReward:                g.BlockRewardStr,
 		EpochReward:                g.EpochRewardStr,
@@ -301,15 +297,6 @@ func (d *Delegate) Votes() *big.Int {
 	return val
 }
 
-// InitAdminAddr returns the address of the initial rewarding protocol admin
-func (r *Rewarding) InitAdminAddr() address.Address {
-	addr, err := address.FromString(r.InitAdminAddrStr)
-	if err != nil {
-		log.L().Panic("Error when decoding the rewarding protocol init admin address from string.", zap.Error(err))
-	}
-	return addr
-}
-
 // InitBalance returns the init balance of the rewarding fund
 func (r *Rewarding) InitBalance() *big.Int {
 	val, ok := big.NewInt(0).SetString(r.InitBalanceStr, 10)
diff --git a/blockchain/genesis/genesis_test.go b/blockchain/genesis/genesis_test.go
index 70d31a76ef..512615be2a 100644
--- a/blockchain/genesis/genesis_test.go
+++ b/blockchain/genesis/genesis_test.go
@@ -30,8 +30,7 @@ func TestDefaultConfig(t *testing.T) {
 	aAddrs, aBalances := cfg.InitBalances()
 	assert.Equal(t, eAddrs, aAddrs)
 	assert.Equal(t, eBalances, aBalances)
-	// Validate rewarding protocol
-	assert.Equal(t, Default.InitAdminAddr().String(), cfg.InitAdminAddr().String())
+	// Validate rewarding protocol)
 	assert.Equal(t, Default.BlockReward(), cfg.BlockReward())
 	assert.Equal(t, Default.EpochReward(), cfg.EpochReward())
 }
diff --git a/proto/types/action.proto b/proto/types/action.proto
index 8372b7da80..26a0bfe05d 100644
--- a/proto/types/action.proto
+++ b/proto/types/action.proto
@@ -182,8 +182,7 @@ message ActionCore {
     // Rewarding protocol actions
     DepositToRewardingFund depositToRewardingFund = 30;
     ClaimFromRewardingFund claimFromRewardingFund = 31;
-    SetReward setReward = 32;
-    GrantReward grantReward = 33;
+    GrantReward grantReward = 32;
 
     PutPollResult putPollResult = 50;
   }
@@ -233,12 +232,6 @@ enum RewardType {
   EpochReward = 1;
 }
 
-message SetReward {
-  string amount = 1;
-  bytes data = 2;
-  RewardType type = 3;
-}
-
 message GrantReward {
   RewardType type = 1;
 }
diff --git a/protogen/iotextypes/action.pb.go b/protogen/iotextypes/action.pb.go
index a5e42bd9d3..8ee5bacb44 100644
--- a/protogen/iotextypes/action.pb.go
+++ b/protogen/iotextypes/action.pb.go
@@ -1303,7 +1303,6 @@ type ActionCore struct {
 	//	*ActionCore_PlumTransfer
 	//	*ActionCore_DepositToRewardingFund
 	//	*ActionCore_ClaimFromRewardingFund
-	//	*ActionCore_SetReward
 	//	*ActionCore_GrantReward
 	//	*ActionCore_PutPollResult
 	Action               isActionCore_Action `protobuf_oneof:"action"`
@@ -1449,12 +1448,8 @@ type ActionCore_ClaimFromRewardingFund struct {
 	ClaimFromRewardingFund *ClaimFromRewardingFund `protobuf:"bytes,31,opt,name=claimFromRewardingFund,proto3,oneof"`
 }
 
-type ActionCore_SetReward struct {
-	SetReward *SetReward `protobuf:"bytes,32,opt,name=setReward,proto3,oneof"`
-}
-
 type ActionCore_GrantReward struct {
-	GrantReward *GrantReward `protobuf:"bytes,33,opt,name=grantReward,proto3,oneof"`
+	GrantReward *GrantReward `protobuf:"bytes,32,opt,name=grantReward,proto3,oneof"`
 }
 
 type ActionCore_PutPollResult struct {
@@ -1501,8 +1496,6 @@ func (*ActionCore_DepositToRewardingFund) isActionCore_Action() {}
 
 func (*ActionCore_ClaimFromRewardingFund) isActionCore_Action() {}
 
-func (*ActionCore_SetReward) isActionCore_Action() {}
-
 func (*ActionCore_GrantReward) isActionCore_Action() {}
 
 func (*ActionCore_PutPollResult) isActionCore_Action() {}
@@ -1654,13 +1647,6 @@ func (m *ActionCore) GetClaimFromRewardingFund() *ClaimFromRewardingFund {
 	return nil
 }
 
-func (m *ActionCore) GetSetReward() *SetReward {
-	if x, ok := m.GetAction().(*ActionCore_SetReward); ok {
-		return x.SetReward
-	}
-	return nil
-}
-
 func (m *ActionCore) GetGrantReward() *GrantReward {
 	if x, ok := m.GetAction().(*ActionCore_GrantReward); ok {
 		return x.GrantReward
@@ -1698,7 +1684,6 @@ func (*ActionCore) XXX_OneofWrappers() []interface{} {
 		(*ActionCore_PlumTransfer)(nil),
 		(*ActionCore_DepositToRewardingFund)(nil),
 		(*ActionCore_ClaimFromRewardingFund)(nil),
-		(*ActionCore_SetReward)(nil),
 		(*ActionCore_GrantReward)(nil),
 		(*ActionCore_PutPollResult)(nil),
 	}
@@ -2011,61 +1996,6 @@ func (m *ClaimFromRewardingFund) GetData() []byte {
 	return nil
 }
 
-type SetReward struct {
-	Amount               string     `protobuf:"bytes,1,opt,name=amount,proto3" json:"amount,omitempty"`
-	Data                 []byte     `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
-	Type                 RewardType `protobuf:"varint,3,opt,name=type,proto3,enum=iotextypes.RewardType" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
-	XXX_unrecognized     []byte     `json:"-"`
-	XXX_sizecache        int32      `json:"-"`
-}
-
-func (m *SetReward) Reset()         { *m = SetReward{} }
-func (m *SetReward) String() string { return proto.CompactTextString(m) }
-func (*SetReward) ProtoMessage()    {}
-func (*SetReward) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d4dd5ed50f883f28, []int{28}
-}
-
-func (m *SetReward) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SetReward.Unmarshal(m, b)
-}
-func (m *SetReward) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SetReward.Marshal(b, m, deterministic)
-}
-func (m *SetReward) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SetReward.Merge(m, src)
-}
-func (m *SetReward) XXX_Size() int {
-	return xxx_messageInfo_SetReward.Size(m)
-}
-func (m *SetReward) XXX_DiscardUnknown() {
-	xxx_messageInfo_SetReward.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SetReward proto.InternalMessageInfo
-
-func (m *SetReward) GetAmount() string {
-	if m != nil {
-		return m.Amount
-	}
-	return ""
-}
-
-func (m *SetReward) GetData() []byte {
-	if m != nil {
-		return m.Data
-	}
-	return nil
-}
-
-func (m *SetReward) GetType() RewardType {
-	if m != nil {
-		return m.Type
-	}
-	return RewardType_BlockReward
-}
-
 type GrantReward struct {
 	Type                 RewardType `protobuf:"varint,1,opt,name=type,proto3,enum=iotextypes.RewardType" json:"type,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
@@ -2077,7 +2007,7 @@ func (m *GrantReward) Reset()         { *m = GrantReward{} }
 func (m *GrantReward) String() string { return proto.CompactTextString(m) }
 func (*GrantReward) ProtoMessage()    {}
 func (*GrantReward) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d4dd5ed50f883f28, []int{29}
+	return fileDescriptor_d4dd5ed50f883f28, []int{28}
 }
 
 func (m *GrantReward) XXX_Unmarshal(b []byte) error {
@@ -2136,123 +2066,119 @@ func init() {
 	proto.RegisterType((*Log)(nil), "iotextypes.Log")
 	proto.RegisterType((*DepositToRewardingFund)(nil), "iotextypes.DepositToRewardingFund")
 	proto.RegisterType((*ClaimFromRewardingFund)(nil), "iotextypes.ClaimFromRewardingFund")
-	proto.RegisterType((*SetReward)(nil), "iotextypes.SetReward")
 	proto.RegisterType((*GrantReward)(nil), "iotextypes.GrantReward")
 }
 
 func init() { proto.RegisterFile("proto/types/action.proto", fileDescriptor_d4dd5ed50f883f28) }
 
 var fileDescriptor_d4dd5ed50f883f28 = []byte{
-	// 1761 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xc4, 0x58, 0x5f, 0x6f, 0xdb, 0xc8,
-	0x11, 0x17, 0x25, 0x59, 0xb1, 0xc6, 0x52, 0x2c, 0x6f, 0x1d, 0x85, 0x76, 0xd2, 0xc4, 0x65, 0xda,
-	0xc0, 0x70, 0x53, 0x19, 0x70, 0x91, 0xc0, 0x69, 0x81, 0xa0, 0xf1, 0xbf, 0xa8, 0xad, 0xd3, 0x0a,
-	0x6b, 0x37, 0x0f, 0x69, 0x81, 0x82, 0xa2, 0xd6, 0x32, 0x1b, 0x8a, 0x4b, 0x2c, 0x97, 0x8e, 0x9d,
-	0x87, 0xbe, 0xdf, 0x87, 0xb8, 0x0f, 0x72, 0x4f, 0xf7, 0x74, 0x8f, 0x77, 0xc0, 0x7d, 0xa0, 0x03,
-	0x0e, 0xbb, 0x5c, 0x52, 0xbb, 0x22, 0xe5, 0xc4, 0x41, 0x80, 0x7b, 0xe3, 0xcc, 0xfe, 0x76, 0x76,
-	0xfe, 0xed, 0xcc, 0x70, 0xc1, 0x8e, 0x18, 0xe5, 0x74, 0x9b, 0x5f, 0x45, 0x24, 0xde, 0x76, 0x3d,
-	0xee, 0xd3, 0xb0, 0x27, 0x59, 0x08, 0x7c, 0xca, 0xc9, 0xa5, 0x5c, 0x58, 0x7f, 0x38, 0xa6, 0x74,
-	0x1c, 0x90, 0x6d, 0xb9, 0x32, 0x4c, 0xce, 0xb6, 0xb9, 0x3f, 0x21, 0x31, 0x77, 0x27, 0x51, 0x0a,
-	0x76, 0xde, 0xc2, 0xe2, 0x29, 0x73, 0xc3, 0xf8, 0x8c, 0x30, 0xd4, 0x85, 0x86, 0x3b, 0xa1, 0x49,
-	0xc8, 0x6d, 0x6b, 0xc3, 0xda, 0x6c, 0x62, 0x45, 0xa1, 0xfb, 0xd0, 0x64, 0xc4, 0xf3, 0x23, 0x9f,
-	0x84, 0xdc, 0xae, 0xca, 0xa5, 0x29, 0x03, 0xd9, 0x70, 0x2b, 0x72, 0xaf, 0x02, 0xea, 0x8e, 0xec,
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-	0x9c, 0x1a, 0x91, 0x91, 0x68, 0x15, 0x16, 0xc4, 0xbe, 0x54, 0x48, 0x0b, 0xa7, 0x84, 0xb0, 0x39,
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+	0x92, 0xf2, 0x14, 0x16, 0xb5, 0xfa, 0x16, 0x95, 0x27, 0xa2, 0x29, 0x37, 0xde, 0x34, 0x2b, 0x2f,
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+	0x45, 0xc2, 0xea, 0x54, 0x04, 0xe3, 0x20, 0xa4, 0xee, 0x99, 0x62, 0x54, 0x77, 0x77, 0x5e, 0x3f,
+	0x19, 0x7b, 0xfc, 0x2c, 0x1e, 0xf6, 0x5c, 0x3a, 0xd9, 0x92, 0x92, 0x43, 0x46, 0xbf, 0x25, 0x2e,
+	0x4f, 0x88, 0x7f, 0x8a, 0x7a, 0x4e, 0x5e, 0x54, 0xc7, 0x24, 0xd8, 0x9a, 0xaa, 0x1e, 0x36, 0x25,
+	0xf3, 0x5f, 0x7f, 0x04, 0x00, 0x00, 0xff, 0xff, 0xa6, 0xe8, 0xeb, 0xd9, 0x9c, 0x15, 0x00, 0x00,
 }
diff --git a/tools/staterecoverer/staterecoverer.go b/tools/staterecoverer/staterecoverer.go
index 1d06b8b6ad..35eae113e6 100644
--- a/tools/staterecoverer/staterecoverer.go
+++ b/tools/staterecoverer/staterecoverer.go
@@ -12,8 +12,8 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"os"
 	glog "log"
+	"os"
 
 	"go.uber.org/zap"