d3bcc15b11
* -add comments to proto fields -add comments to msg and query server -remove decorator from docs -add coments to msgs.go -remove decorator from godoc * Update x/feegrant/spec/04_events.md Co-authored-by: Marie Gauthier <marie.gauthier63@gmail.com> * refactor and add to docs *refactor proto msg names and functions *add docs pertaining to auth's ante handler for deducted fees * lint * update comment * gofmt Co-authored-by: technicallyty <48813565+tytech3@users.noreply.github.com> Co-authored-by: Marie Gauthier <marie.gauthier63@gmail.com> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package keeper
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import (
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"context"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/x/feegrant/types"
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)
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type msgServer struct {
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Keeper
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}
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// NewMsgServerImpl returns an implementation of the feegrant MsgServer interface
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// for the provided Keeper.
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func NewMsgServerImpl(k Keeper) types.MsgServer {
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return &msgServer{
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Keeper: k,
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}
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}
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var _ types.MsgServer = msgServer{}
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// GrantAllowance grants an allowance from the granter's funds to be used by the grantee.
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func (k msgServer) GrantAllowance(goCtx context.Context, msg *types.MsgGrantAllowance) (*types.MsgGrantAllowanceResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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grantee, err := sdk.AccAddressFromBech32(msg.Grantee)
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if err != nil {
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return nil, err
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}
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granter, err := sdk.AccAddressFromBech32(msg.Granter)
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if err != nil {
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return nil, err
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}
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// Checking for duplicate entry
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if f, _ := k.Keeper.GetAllowance(ctx, granter, grantee); f != nil {
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return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "fee allowance already exists")
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}
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allowance, err := msg.GetFeeAllowanceI()
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if err != nil {
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return nil, err
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}
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err = k.Keeper.GrantAllowance(ctx, granter, grantee, allowance)
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if err != nil {
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return nil, err
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}
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return &types.MsgGrantAllowanceResponse{}, nil
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}
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// RevokeAllowance revokes a fee allowance between a granter and grantee.
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func (k msgServer) RevokeAllowance(goCtx context.Context, msg *types.MsgRevokeAllowance) (*types.MsgRevokeAllowanceResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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grantee, err := sdk.AccAddressFromBech32(msg.Grantee)
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if err != nil {
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return nil, err
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}
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granter, err := sdk.AccAddressFromBech32(msg.Granter)
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if err != nil {
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return nil, err
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}
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err = k.Keeper.revokeAllowance(ctx, granter, grantee)
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if err != nil {
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return nil, err
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}
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return &types.MsgRevokeAllowanceResponse{}, nil
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}
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