64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package keeper
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import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"strings"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/skip-mev/block-sdk/v2/x/auction/types"
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)
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var _ types.MsgServer = MsgServer{}
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// MsgServer is the wrapper for the auction module's msg service.
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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 auction MsgServer interface.
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func NewMsgServerImpl(keeper Keeper) *MsgServer {
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return &MsgServer{Keeper: keeper}
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}
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// AuctionBid is a no-op function that emits an event for the auction bid. The bid is extracted
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// in the antehandler.
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func (m MsgServer) AuctionBid(goCtx context.Context, msg *types.MsgAuctionBid) (*types.MsgAuctionBidResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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bundledTxHashes := make([]string, len(msg.Transactions))
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for i, refTxRaw := range msg.Transactions {
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hash := sha256.Sum256(refTxRaw)
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bundledTxHashes[i] = hex.EncodeToString(hash[:])
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeAuctionBid,
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sdk.NewAttribute(types.EventAttrBidder, msg.Bidder),
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sdk.NewAttribute(types.EventAttrBid, msg.Bid.String()),
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sdk.NewAttribute(types.EventAttrBundledTxs, strings.Join(bundledTxHashes, ",")),
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),
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)
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return &types.MsgAuctionBidResponse{}, nil
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}
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func (m MsgServer) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
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ctx := sdk.UnwrapSDKContext(goCtx)
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// ensure that the message signer is the authority
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if msg.Authority != m.Keeper.GetAuthority() {
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return nil, fmt.Errorf("this message can only be executed by the authority; expected %s, got %s", m.Keeper.GetAuthority(), msg.Authority)
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}
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if err := m.Keeper.SetParams(ctx, msg.Params); err != nil {
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return nil, err
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}
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return &types.MsgUpdateParamsResponse{}, nil
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}
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