chg: handle edge cases with string blockNumber

go.mod

@@ -65,7 +65,7 @@ require (
 	github.com/kylelemons/godebug v1.1.0
 	github.com/maticnetwork/crand v1.0.2
 	github.com/maticnetwork/heimdall v1.0.7
-	github.com/maticnetwork/polyproto v0.0.3
+	github.com/maticnetwork/polyproto v0.0.4-0.20241113101917-6744479e4d59
 	github.com/mattn/go-colorable v0.1.13
 	github.com/mattn/go-isatty v0.0.20
 	github.com/mitchellh/cli v1.1.5

go.sum

@@ -1707,8 +1707,8 @@ github.com/maticnetwork/heimdall v1.0.4/go.mod h1:Xh7KFvtbs/SVNjOI8IgYmk6JdzYx89
 github.com/maticnetwork/heimdall v1.0.7 h1:QStn+hbZKxfE+PqecaorA/uATDPuQoi+U9Z7IIonb60=
 github.com/maticnetwork/heimdall v1.0.7/go.mod h1:+ANI5+VV28ahwfdl7oMzrcNwaTEs1Fn6z39BqBGcvaA=
 github.com/maticnetwork/polyproto v0.0.3-0.20230216113155-340ea926ca53/go.mod h1:e1mU2EXSwEpn5jM7GfNwu3AupsV6WAGoPFFfswXOF0o=
-github.com/maticnetwork/polyproto v0.0.3 h1:a69rIp97fcl3ABY4LlVX9B2t1qhLa0Jhny3HNOzReBU=
-github.com/maticnetwork/polyproto v0.0.3/go.mod h1:e1mU2EXSwEpn5jM7GfNwu3AupsV6WAGoPFFfswXOF0o=
+github.com/maticnetwork/polyproto v0.0.4-0.20241113101917-6744479e4d59 h1:FAezvZ+jt3b1all6taYql6+mafszYBpwfD5KYQqQdNg=
+github.com/maticnetwork/polyproto v0.0.4-0.20241113101917-6744479e4d59/go.mod h1:e1mU2EXSwEpn5jM7GfNwu3AupsV6WAGoPFFfswXOF0o=
 github.com/maticnetwork/tendermint v0.33.0 h1:f+vORM02BoUOlCvnu3Zjw5rv6l6JSNVchWjH03rUuR8=
 github.com/maticnetwork/tendermint v0.33.0/go.mod h1:D2fcnxGk6bje+LoPwImuKSSYLiK7/G06IynGNDSEcJk=
 github.com/matryer/try v0.0.0-20161228173917-9ac251b645a2/go.mod h1:0KeJpeMD6o+O4hW7qJOT7vyQPKrWmj26uf5wMc/IiIs=

internal/cli/server/api_service.go

@@ -38,7 +38,11 @@ func headerToProtoborHeader(h *types.Header) *protobor.Header {
 }
 
 func (s *Server) HeaderByNumber(ctx context.Context, req *protobor.GetHeaderByNumberRequest) (*protobor.GetHeaderByNumberResponse, error) {
-	header, err := s.backend.APIBackend.HeaderByNumber(ctx, rpc.BlockNumber(req.Number))
+	bN, err := getRpcBlockNumberFromString(req.Number)
+	if err != nil {
+		return nil, err
+	}
+	header, err := s.backend.APIBackend.HeaderByNumber(ctx, bN)
 	if err != nil {
 		return nil, err
 	}
@@ -47,7 +51,11 @@ func (s *Server) HeaderByNumber(ctx context.Context, req *protobor.GetHeaderByNu
 }
 
 func (s *Server) BlockByNumber(ctx context.Context, req *protobor.GetBlockByNumberRequest) (*protobor.GetBlockByNumberResponse, error) {
-	block, err := s.backend.APIBackend.BlockByNumber(ctx, rpc.BlockNumber(req.Number))
+	bN, err := getRpcBlockNumberFromString(req.Number)
+	if err != nil {
+		return nil, err
+	}
+	block, err := s.backend.APIBackend.BlockByNumber(ctx, bN)
 	if err != nil {
 		return nil, err
 	}
@@ -91,3 +99,27 @@ func (s *Server) BorBlockReceipt(ctx context.Context, req *protobor.ReceiptReque
 
 	return &protobor.ReceiptResponse{Receipt: ConvertReceiptToProtoReceipt(receipt)}, nil
 }
+
+func getRpcBlockNumberFromString(blockNumber string) (rpc.BlockNumber, error) {
+	if blockNumber == "latest" {
+		return rpc.LatestBlockNumber, nil
+	}
+
+	if blockNumber == "earliest" {
+		return rpc.EarliestBlockNumber, nil
+	}
+
+	if blockNumber == "pending" {
+		return rpc.PendingBlockNumber, nil
+	}
+
+	if blockNumber == "finalized" {
+		return rpc.FinalizedBlockNumber, nil
+	}
+
+	if blockNumber == "safe" {
+		return rpc.SafeBlockNumber, nil
+	}
+
+	return rpc.BlockNumber(0), errors.New("invalid block number")
+}