/
msg_server.go
120 lines (99 loc) · 3.09 KB
/
msg_server.go
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package keeper
import (
"context"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
errorsmod "cosmossdk.io/errors"
"github.com/OmniFlix/streampay/v2/x/streampay/types"
sdk "github.com/cosmos/cosmos-sdk/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
)
type msgServer struct {
Keeper
}
// NewMsgServerImpl returns an implementation of the MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{Keeper: keeper}
}
var _ types.MsgServer = msgServer{}
func (m msgServer) UpdateParams(goCtx context.Context, req *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
if m.authority != req.Authority {
return nil, errorsmod.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", m.authority, req.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
if err := m.SetParams(ctx, req.Params); err != nil {
return nil, err
}
return &types.MsgUpdateParamsResponse{}, nil
}
func (m msgServer) StreamSend(goCtx context.Context, msg *types.MsgStreamSend) (*types.MsgStreamSendResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
recipient, err := sdk.AccAddressFromBech32(msg.Recipient)
if err != nil {
return nil, err
}
if m.bankKeeper.BlockedAddr(recipient) {
return nil, errorsmod.Wrapf(sdkerrors.ErrUnauthorized, "%s is not allowed to receive funds", msg.Recipient)
}
feePercentage := m.Keeper.GetStreamPaymentFeePercentage(ctx)
requiredFeeAmount := sdk.NewCoin(msg.Amount.Denom, sdk.NewDecFromInt(msg.Amount.Amount).Mul(feePercentage).TruncateInt())
if !msg.PaymentFee.Equal(requiredFeeAmount) {
return nil, errorsmod.Wrap(types.ErrInvalidStreamPaymentFee, "fee coin didn't match with stream coin")
}
if requiredFeeAmount.Amount.GTE(sdk.NewInt(1)) {
if err := m.distributionKeeper.FundCommunityPool(ctx, sdk.NewCoins(requiredFeeAmount), sender); err != nil {
return nil, err
}
}
streamPaymentId, err := m.Keeper.CreateStreamPayment(
ctx,
sender, recipient,
msg.Amount,
msg.StreamType,
msg.Duration,
msg.Periods,
msg.Cancellable,
)
if err != nil {
return nil, err
}
return &types.MsgStreamSendResponse{
StreamId: streamPaymentId,
}, nil
}
func (m msgServer) StopStream(goCtx context.Context, msg *types.MsgStopStream) (*types.MsgStopStreamResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
if err := m.Keeper.StopStreamPayment(
ctx,
msg.StreamId,
sender,
); err != nil {
return nil, err
}
return &types.MsgStopStreamResponse{}, nil
}
func (m msgServer) ClaimStreamedAmount(
goCtx context.Context, msg *types.MsgClaimStreamedAmount,
) (*types.MsgClaimStreamedAmountResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
claimer, err := sdk.AccAddressFromBech32(msg.Claimer)
if err != nil {
return nil, err
}
if err := m.Keeper.ClaimStreamedAmount(
ctx,
msg.StreamId,
claimer,
); err != nil {
return nil, err
}
return &types.MsgClaimStreamedAmountResponse{}, nil
}