From c147bc7fe4da0d6af3f40dd394c277a3c51d12aa Mon Sep 17 00:00:00 2001
From: Savely Krendelhoff <alicecandyom@proton.me>
Date: Sat, 23 Aug 2025 12:16:43 +0700
Subject: [PATCH] [PHASE-5] Move requests to separate file and implement
 decoding

---
 internal/protocol/requests.go | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 internal/protocol/requests.go

diff --git a/internal/protocol/requests.go b/internal/protocol/requests.go
new file mode 100644
index 0000000..3961223
--- /dev/null
+++ b/internal/protocol/requests.go
@@ -0,0 +1,35 @@
+package protocol
+
+import (
+	"encoding/json"
+	"io"
+
+	"hash-of-wisdom/internal/pow/challenge"
+)
+
+// ChallengeRequest is empty (no payload for challenge requests)
+type ChallengeRequest struct{}
+
+// Decode reads a challenge request from the payload stream
+func (r *ChallengeRequest) Decode(stream io.Reader) error {
+	// Challenge requests have no payload to decode
+	return nil
+}
+
+// SolutionRequest contains the client's solution attempt
+type SolutionRequest struct {
+	Challenge challenge.Challenge `json:"challenge"`
+	Nonce     uint64              `json:"nonce"`
+}
+
+// Decode reads a solution request from the payload stream
+func (r *SolutionRequest) Decode(stream io.Reader) error {
+	if stream == nil {
+		// json.NewDecoder panics on nil reader
+		return io.EOF
+	}
+
+	// Parse JSON directly from stream
+	decoder := json.NewDecoder(stream)
+	return decoder.Decode(r)
+}