added submit wordle keeper

Author: nashqueue

x/wordle/keeper/msg_server_submit_wordle.go

@@ -2,16 +2,58 @@ package keeper
 
 import (
 	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"time"
+	"unicode"
 
 	"github.com/YazzyYaz/wordle/x/wordle/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 )
 
 func (k msgServer) SubmitWordle(goCtx context.Context, msg *types.MsgSubmitWordle) (*types.MsgSubmitWordleResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
+	// Check to See the Wordle is 5 letters
+	if len(msg.Word) != 5 {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Wordle Must Be A 5 Letter Word")
+	}
+	// Check to See Only Alphabets Are Passed for the Wordle
+	if !(IsLetter(msg.Word)) {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Wordle Must Only Consist Of Letters In The Alphabet")
+	}
 
-	// TODO: Handling the message
-	_ = ctx
+	// Use Current Day to Create The Index of the Newly-Submitted Wordle of the Day
+	currentTime := time.Now().Local()
+	var currentTimeBytes = []byte(currentTime.Format("2006-01-02"))
+	var currentTimeHash = sha256.Sum256(currentTimeBytes)
+	var currentTimeHashString = hex.EncodeToString(currentTimeHash[:])
+	// Hash The Newly-Submitted Wordle of the Day
+	var submittedSolutionHash = sha256.Sum256([]byte(msg.Word))
+	var submittedSolutionHashString = hex.EncodeToString(submittedSolutionHash[:])
 
+	var wordle = types.Wordle{
+		Index:     currentTimeHashString,
+		Word:      submittedSolutionHashString,
+		Submitter: msg.Creator,
+	}
+
+	// Try to Get Wordle From KV Store Using Current Day as Key
+	// This Helps ensure only one Wordle is submitted per day
+	_, isFound := k.GetWordle(ctx, currentTimeHashString)
+	if isFound {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Wordle of the Day is Already Submitted")
+	}
+	// Write Wordle to KV Store
+	k.SetWordle(ctx, wordle)
 	return &types.MsgSubmitWordleResponse{}, nil
 }
+
+func IsLetter(s string) bool {
+	for _, r := range s {
+		if !unicode.IsLetter(r) {
+			return false
+		}
+	}
+	return true
+}