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msg_server_airdrop.go
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msg_server_airdrop.go
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package keeper
import (
"context"
"cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
ptypes "github.com/elys-network/elys/x/parameter/types"
"github.com/elys-network/elys/x/tokenomics/types"
)
func (k msgServer) CreateAirdrop(goCtx context.Context, msg *types.MsgCreateAirdrop) (*types.MsgCreateAirdropResponse, error) {
if k.authority != msg.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the value already exists
_, found := k.GetAirdrop(ctx, msg.Intent)
if found {
return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, "index already set")
}
airdrop := types.Airdrop{
Authority: msg.Authority,
Intent: msg.Intent,
Amount: msg.Amount,
Expiry: msg.Expiry,
}
k.SetAirdrop(ctx, airdrop)
return &types.MsgCreateAirdropResponse{}, nil
}
func (k msgServer) UpdateAirdrop(goCtx context.Context, msg *types.MsgUpdateAirdrop) (*types.MsgUpdateAirdropResponse, error) {
if k.authority != msg.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the value exists
valFound, found := k.GetAirdrop(ctx, msg.Intent)
if !found {
return nil, errors.Wrap(sdkerrors.ErrKeyNotFound, "index not set")
}
// Checks if the the msg authority is the same as the current owner
if msg.Authority != valFound.Authority {
return nil, errors.Wrap(sdkerrors.ErrUnauthorized, "incorrect owner")
}
airdrop := types.Airdrop{
Authority: msg.Authority,
Intent: msg.Intent,
Amount: msg.Amount,
Expiry: msg.Expiry,
}
k.SetAirdrop(ctx, airdrop)
return &types.MsgUpdateAirdropResponse{}, nil
}
func (k msgServer) DeleteAirdrop(goCtx context.Context, msg *types.MsgDeleteAirdrop) (*types.MsgDeleteAirdropResponse, error) {
if k.authority != msg.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the value exists
valFound, found := k.GetAirdrop(ctx, msg.Intent)
if !found {
return nil, errors.Wrap(sdkerrors.ErrKeyNotFound, "index not set")
}
// Checks if the the msg authority is the same as the current owner
if msg.Authority != valFound.Authority {
return nil, errors.Wrap(sdkerrors.ErrUnauthorized, "incorrect owner")
}
k.RemoveAirdrop(ctx, msg.Intent)
return &types.MsgDeleteAirdropResponse{}, nil
}
func (k msgServer) ClaimAirdrop(goCtx context.Context, msg *types.MsgClaimAirdrop) (*types.MsgClaimAirdropResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// Check if the value exists
airdrop, found := k.GetAirdrop(ctx, msg.Sender)
if !found {
return nil, errors.Wrap(sdkerrors.ErrKeyNotFound, "index not set")
}
// Checks if the the msg authority is the same as the current owner
if msg.Sender != airdrop.Authority {
return nil, errors.Wrap(sdkerrors.ErrUnauthorized, "incorrect owner")
}
if ctx.BlockTime().Unix() > int64(airdrop.Expiry) {
return nil, types.ErrAirdropExpired
}
// Add commitments
commitments := k.commitmentKeeper.GetCommitments(ctx, msg.Sender)
commitments.AddClaimed(sdk.NewCoin(ptypes.Eden, sdk.NewInt(int64(airdrop.Amount))))
k.commitmentKeeper.SetCommitments(ctx, commitments)
k.RemoveAirdrop(ctx, msg.Sender)
return &types.MsgClaimAirdropResponse{}, nil
}