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refactor(x/gov): move ValidateBasic to msg server #15832

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merged 15 commits into from
Apr 17, 2023
Merged

refactor(x/gov): move ValidateBasic to msg server #15832

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405ca6e
refactor(x/gov): move `ValidateBasic` to msg server
atheeshp Apr 13, 2023
44c756a
fix tests
atheeshp Apr 13, 2023
10123f2
review changes
atheeshp Apr 13, 2023
854edfc
fix lint
atheeshp Apr 13, 2023
e65b334
Merge branch 'main' of github.com:cosmos/cosmos-sdk into ap/gov-valid…
atheeshp Apr 14, 2023
98b39b5
review changes
atheeshp Apr 14, 2023
35eddc3
review changes
atheeshp Apr 17, 2023
3019b9c
Merge branch 'main' into ap/gov-validate-basic
atheeshp Apr 17, 2023
b0be3c8
fix tests
atheeshp Apr 17, 2023
1776ba9
Merge branch 'ap/gov-validate-basic' of github.com:cosmos/cosmos-sdk …
atheeshp Apr 17, 2023
2ab0c82
Merge branch 'main' into ap/gov-validate-basic
tac0turtle Apr 17, 2023
7fe3cdb
Merge branch 'main' of github.com:cosmos/cosmos-sdk into ap/gov-valid…
atheeshp Apr 17, 2023
8f89607
fix lint
atheeshp Apr 17, 2023
f8986cf
Merge branch 'ap/gov-validate-basic' of github.com:cosmos/cosmos-sdk …
atheeshp Apr 17, 2023
414b3c1
fix test
atheeshp Apr 17, 2023
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131 changes: 131 additions & 0 deletions x/gov/keeper/msg_server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,12 @@ import (
"strconv"

"cosmossdk.io/errors"
"cosmossdk.io/math"
"github.com/armon/go-metrics"

"github.com/cosmos/cosmos-sdk/telemetry"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
v1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
Expand All @@ -29,6 +31,35 @@ var _ v1.MsgServer = msgServer{}

// SubmitProposal implements the MsgServer.SubmitProposal method.
func (k msgServer) SubmitProposal(goCtx context.Context, msg *v1.MsgSubmitProposal) (*v1.MsgSubmitProposalResponse, error) {
if msg.Title == "" {
return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, "proposal title cannot be empty")
}
if msg.Summary == "" {
return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, "proposal summary cannot be empty")
}

if _, err := sdk.AccAddressFromBech32(msg.Proposer); err != nil {
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return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid proposer address: %s", err)
}

deposit := sdk.NewCoins(msg.InitialDeposit...)
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if !deposit.IsValid() {
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return nil, errors.Wrap(sdkerrors.ErrInvalidCoins, deposit.String())
}

if deposit.IsAnyNegative() {
return nil, errors.Wrap(sdkerrors.ErrInvalidCoins, deposit.String())
}

// Check that either metadata or Msgs length is non nil.
if len(msg.Messages) == 0 && len(msg.Metadata) == 0 {
return nil, errors.Wrap(govtypes.ErrNoProposalMsgs, "either metadata or Msgs length must be non-nil")
}

if err := validateMsgs(msg); err != nil {
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return nil, err
}

ctx := sdk.UnwrapSDKContext(goCtx)

initialDeposit := msg.GetInitialDeposit()
Expand Down Expand Up @@ -85,6 +116,10 @@ func (k msgServer) SubmitProposal(goCtx context.Context, msg *v1.MsgSubmitPropos

// CancelProposals implements the MsgServer.CancelProposal method.
func (k msgServer) CancelProposal(goCtx context.Context, msg *v1.MsgCancelProposal) (*v1.MsgCancelProposalResponse, error) {
if _, err := sdk.AccAddressFromBech32(msg.Proposer); err != nil {
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return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid proposer address: %s", err)
}

ctx := sdk.UnwrapSDKContext(goCtx)
_, err := k.authKeeper.StringToBytes(msg.Proposer)
if err != nil {
Expand Down Expand Up @@ -139,6 +174,14 @@ func (k msgServer) ExecLegacyContent(goCtx context.Context, msg *v1.MsgExecLegac

// Vote implements the MsgServer.Vote method.
func (k msgServer) Vote(goCtx context.Context, msg *v1.MsgVote) (*v1.MsgVoteResponse, error) {
if _, err := sdk.AccAddressFromBech32(msg.Voter); err != nil {
return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid voter address: %s", err)
}

if !v1.ValidVoteOption(msg.Option) {
return nil, errors.Wrap(govtypes.ErrInvalidVote, msg.Option.String())
}

ctx := sdk.UnwrapSDKContext(goCtx)
accAddr, err := k.authKeeper.StringToBytes(msg.Voter)
if err != nil {
Expand All @@ -162,6 +205,38 @@ func (k msgServer) Vote(goCtx context.Context, msg *v1.MsgVote) (*v1.MsgVoteResp

// VoteWeighted implements the MsgServer.VoteWeighted method.
func (k msgServer) VoteWeighted(goCtx context.Context, msg *v1.MsgVoteWeighted) (*v1.MsgVoteWeightedResponse, error) {
if _, err := sdk.AccAddressFromBech32(msg.Voter); err != nil {
return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid voter address: %s", err)
}
if len(msg.Options) == 0 {
return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, v1.WeightedVoteOptions(msg.Options).String())
}

totalWeight := math.LegacyNewDec(0)
usedOptions := make(map[v1.VoteOption]bool)
for _, option := range msg.Options {
if !option.IsValid() {
return nil, errors.Wrap(govtypes.ErrInvalidVote, option.String())
}
weight, err := sdk.NewDecFromStr(option.Weight)
if err != nil {
return nil, errors.Wrapf(govtypes.ErrInvalidVote, "invalid weight: %s", err)
}
totalWeight = totalWeight.Add(weight)
if usedOptions[option.Option] {
return nil, errors.Wrap(govtypes.ErrInvalidVote, "duplicated vote option")
}
usedOptions[option.Option] = true
}

if totalWeight.GT(math.LegacyNewDec(1)) {
return nil, errors.Wrap(govtypes.ErrInvalidVote, "total weight overflow 1.00")
}

if totalWeight.LT(math.LegacyNewDec(1)) {
return nil, errors.Wrap(govtypes.ErrInvalidVote, "total weight lower than 1.00")
}

ctx := sdk.UnwrapSDKContext(goCtx)
accAddr, accErr := k.authKeeper.StringToBytes(msg.Voter)
if accErr != nil {
Expand All @@ -185,6 +260,14 @@ func (k msgServer) VoteWeighted(goCtx context.Context, msg *v1.MsgVoteWeighted)

// Deposit implements the MsgServer.Deposit method.
func (k msgServer) Deposit(goCtx context.Context, msg *v1.MsgDeposit) (*v1.MsgDepositResponse, error) {
if _, err := sdk.AccAddressFromBech32(msg.Depositor); err != nil {
return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid depositor address: %s", err)
}

if err := validateAmount(msg.Amount); err != nil {
return nil, err
}

ctx := sdk.UnwrapSDKContext(goCtx)
accAddr, err := k.authKeeper.StringToBytes(msg.Depositor)
if err != nil {
Expand Down Expand Up @@ -221,6 +304,10 @@ func (k msgServer) UpdateParams(goCtx context.Context, msg *v1.MsgUpdateParams)
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
}

if err := msg.Params.ValidateBasic(); err != nil {
return nil, err
}

ctx := sdk.UnwrapSDKContext(goCtx)
if err := k.SetParams(ctx, msg.Params); err != nil {
return nil, err
Expand All @@ -243,6 +330,17 @@ func NewLegacyMsgServerImpl(govAcct string, v1Server v1.MsgServer) v1beta1.MsgSe
var _ v1beta1.MsgServer = legacyMsgServer{}

func (k legacyMsgServer) SubmitProposal(goCtx context.Context, msg *v1beta1.MsgSubmitProposal) (*v1beta1.MsgSubmitProposalResponse, error) {
content := msg.GetContent()
if content == nil {
return nil, errors.Wrap(govtypes.ErrInvalidProposalContent, "missing content")
}
if !v1beta1.IsValidProposalType(content.ProposalType()) {
return nil, errors.Wrap(govtypes.ErrInvalidProposalType, content.ProposalType())
}
if err := content.ValidateBasic(); err != nil {
return nil, err
}

contentMsg, err := v1.NewLegacyContent(msg.GetContent(), k.govAcct)
if err != nil {
return nil, fmt.Errorf("error converting legacy content into proposal message: %w", err)
Expand Down Expand Up @@ -312,3 +410,36 @@ func (k legacyMsgServer) Deposit(goCtx context.Context, msg *v1beta1.MsgDeposit)
}
return &v1beta1.MsgDepositResponse{}, nil
}

func validateAmount(amount sdk.Coins) error {
if !amount.IsValid() {
return sdkerrors.ErrInvalidCoins.Wrap(amount.String())
}

if !amount.IsAllPositive() {
return sdkerrors.ErrInvalidCoins.Wrap(amount.String())
}

return nil
}

func validateMsgs(msg *v1.MsgSubmitProposal) error {
msgs, err := msg.GetMsgs()
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if err != nil {
return err
}

for idx, msg := range msgs {
m, ok := msg.(sdk.HasValidateBasic)
if !ok {
continue
}

if err := m.ValidateBasic(); err != nil {
return errors.Wrap(govtypes.ErrInvalidProposalMsg,
fmt.Sprintf("msg: %d, err: %s", idx, err.Error()))
}
}

return nil
}
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