added submit guess keeper

Author: nashqueue

proto/wordle/tx.proto

@@ -26,6 +26,8 @@ message MsgSubmitGuess {
 }
 
 message MsgSubmitGuessResponse {
+  string title = 1;
+  string body = 2;
 }
 
 // this line is used by starport scaffolding # proto/tx/message

x/wordle/keeper/msg_server_submit_guess.go

@@ -2,16 +2,87 @@ package keeper
 
 import (
 	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"strconv"
+	"time"
 
 	"github.com/YazzyYaz/wordle/x/wordle/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/tendermint/tendermint/crypto"
 )
 
 func (k msgServer) SubmitGuess(goCtx context.Context, msg *types.MsgSubmitGuess) (*types.MsgSubmitGuessResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
+	// Check Word is 5 Characters Long
+	if len(msg.Word) != 5 {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Guess Must Be A 5 Letter Word!")
+	}
 
-	// TODO: Handling the message
-	_ = ctx
+	// Check String Contains Alphabet Letters Only
+	if !(IsLetter(msg.Word)) {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Guess Must Only Consist of Alphabet Letters!")
+	}
 
-	return &types.MsgSubmitGuessResponse{}, nil
+	// Get Current Day to Pull Up Wordle of That Day As A Hash
+	currentTime := time.Now().Local()
+	var currentTimeBytes = []byte(currentTime.Format("2006-01-02"))
+	var currentTimeHash = sha256.Sum256(currentTimeBytes)
+	var currentTimeHashString = hex.EncodeToString(currentTimeHash[:])
+	wordle, isFound := k.GetWordle(ctx, currentTimeHashString)
+	if !isFound {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Wordle of The Day Hasn't Been Submitted Yet. Feel Free to Submit One!")
+	}
+
+	// We Convert Current Day and Guesser to A Hash To Use As An Index For Today's Guesses For That Guesser
+	// That Way, A Person Can Guess 6 Times A Day For Each New Wordle Created
+	var currentTimeGuesserBytes = []byte(currentTime.Format("2006-01-02") + msg.Creator)
+	var currentTimeGuesserHash = sha256.Sum256(currentTimeGuesserBytes)
+	var currentTimeGuesserHashString = hex.EncodeToString(currentTimeGuesserHash[:])
+	// Hash The Guess To The Wordle
+	var submittedSolutionHash = sha256.Sum256([]byte(msg.Word))
+	var submittedSolutionHashString = hex.EncodeToString(submittedSolutionHash[:])
+
+	// Get the Latest Guess entry for this Submitter for the current Wordle of the Day
+	var count int
+	guess, isFound := k.GetGuess(ctx, currentTimeGuesserHashString)
+	if isFound {
+		// Check if Submitter Reached 6 Tries
+		if guess.Count == strconv.Itoa(6) {
+			return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "You Have Guessed The Maximum Amount of Times for The Day! Try Again Tomorrow With A New Wordle.")
+		}
+		currentCount, err := strconv.Atoi(guess.Count)
+		if err != nil {
+			panic(err)
+		}
+		count = currentCount
+	} else {
+		// Initialize Count Value If No Entry Exists for this Submitter for Today's Wordle
+		count = 0
+	}
+	// Increment Guess Count
+	count += 1
+	var newGuess = types.Guess{
+		Index:     currentTimeGuesserHashString,
+		Submitter: msg.Creator,
+		Word:      submittedSolutionHashString,
+		Count:     strconv.Itoa(count),
+	}
+	// Remove Current Guess Entry to be Updated With New Entry
+	k.RemoveGuess(ctx, currentTimeGuesserHashString)
+	// Add New Guess Entry
+	k.SetGuess(ctx, newGuess)
+	// Setup Reward
+	reward := sdk.Coins{sdk.NewInt64Coin("WORDLE", 100)}
+	if !(wordle.Word == submittedSolutionHashString) {
+		return &types.MsgSubmitGuessResponse{Title: "Wrong Answer", Body: "Your Guess Was Wrong. Try Again"}, nil
+	} else {
+		// If Submitter Guesses Correctly
+		guesserAddress, _ := sdk.AccAddressFromBech32(msg.Creator)
+		moduleAcct := sdk.AccAddress(crypto.AddressHash([]byte(types.ModuleName)))
+		// Send Reward
+		k.bankKeeper.SendCoins(ctx, guesserAddress, moduleAcct, reward)
+		return &types.MsgSubmitGuessResponse{Title: "Correct", Body: "You Guessed The Wordle Correctly!"}, nil
+	}
 }

x/wordle/types/expected_keepers.go

@@ -15,4 +15,5 @@ type AccountKeeper interface {
 type BankKeeper interface {
 	SpendableCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
 	// Methods imported from bank should be defined here
+	SendCoins(ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins) error
 }