feat: add methods for first and last block (#82)

ArkEcosystem · Mar 4, 2020 · b2a1cfb · b2a1cfb
1 parent a3b3034
commit b2a1cfb
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Showing 3 changed files with 177 additions and 1 deletion.
diff --git a/client/blocks.go b/client/blocks.go
@@ -43,6 +43,30 @@ func (s *BlocksService) Get(ctx context.Context, id int64) (*GetBlock, *http.Res
 	return responseStruct, resp, err
 }
 
+// Get the first block.
+func (s *BlocksService) First(ctx context.Context) (*GetBlock, *http.Response, error) {
+	var responseStruct *GetBlock
+	resp, err := s.client.SendRequest(ctx, "GET", "blocks/first", nil, nil, &responseStruct)
+
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return responseStruct, resp, err
+}
+
+// Get the last block.
+func (s *BlocksService) Last(ctx context.Context) (*GetBlock, *http.Response, error) {
+	var responseStruct *GetBlock
+	resp, err := s.client.SendRequest(ctx, "GET", "blocks/last", nil, nil, &responseStruct)
+
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return responseStruct, resp, err
+}
+
 // Get all transactions by the given block.
 func (s *BlocksService) Transactions(ctx context.Context, id int64, query *Pagination) (*GetBlockTransactions, *http.Response, error) {
 	uri := fmt.Sprintf("blocks/%v/transactions", id)

diff --git a/client/blocks_responses.go b/client/blocks_responses.go
@@ -16,7 +16,7 @@ type BlockForged struct {
 
 type BlockPayload struct {
 	Hash   string `json:"hash,omitempty"`
-	Length byte   `json:"length,omitempty"`
+	Length uint32 `json:"length,omitempty"`
 }
 
 type BlockGenerator struct {

diff --git a/client/blocks_test.go b/client/blocks_test.go
@@ -191,6 +191,158 @@ func TestBlocksService_Get(t *testing.T) {
 	})
 }
 
+// Get the first block.
+func TestBlocksService_First(t *testing.T) {
+	client, mux, _, teardown := setupTest()
+	defer teardown()
+
+	mux.HandleFunc("/blocks/first", func(writer http.ResponseWriter, request *http.Request) {
+		testMethod(t, request, "GET")
+		fmt.Fprint(writer,
+			`{
+			  "data": {
+			    "id": "13114381566690093367",
+			    "version": 0,
+			    "height": 1,
+			    "previous": "0",
+			    "forged": {
+			      "reward": "0",
+			      "fee": "0",
+			      "total": "0",
+			      "amount": "12500000000000004"
+			    },
+			    "payload": {
+			      "hash": "2a44f340d76ffc3df204c5f38cd355b7496c9065a1ade2ef92071436bd72e867",
+			      "length": 11395
+			    },
+			    "generator": {
+			      "address": "D6Z26L69gdk9qYmTv5uzk3uGepigtHY4ax",
+			      "publicKey": "03d3fdad9c5b25bf8880e6b519eb3611a5c0b31adebc8455f0e096175b28321aff"
+			    },
+			    "signature": "3044022035694a9b99a9236655c658eb07fc3b02ce5edcc24b76424a7287c54ed3822b0602203621e92defb360490610f763d85e94c2db2807a4bd7756cc8a6a585463ef7bae",
+			    "confirmations": 4347586,
+			    "transactions": 52,
+			    "timestamp": {
+			      "epoch": 0,
+			      "unix": 1490101200,
+			      "human": "2017-03-21T13:00:00.000Z"
+			    }
+			  }
+			}`)
+	})
+
+	responseStruct, response, err := client.Blocks.First(context.Background())
+	testGeneralError(t, "Blocks.First", err)
+	testResponseUrl(t, "Blocks.First", response, "/blocks/first")
+	testResponseStruct(t, "Blocks.First", responseStruct, &GetBlock{
+		Data: Block{
+			Id:       "13114381566690093367",
+			Version:  0,
+			Height:   1,
+			Previous: "0",
+			Forged: BlockForged{
+				Reward: 0,
+				Fee:    0,
+				Total:  0,
+				Amount: 12500000000000004,
+			},
+			Payload: BlockPayload{
+				Hash:   "2a44f340d76ffc3df204c5f38cd355b7496c9065a1ade2ef92071436bd72e867",
+				Length: 11395,
+			},
+			Generator: BlockGenerator{
+				Address:   "D6Z26L69gdk9qYmTv5uzk3uGepigtHY4ax",
+				PublicKey: "03d3fdad9c5b25bf8880e6b519eb3611a5c0b31adebc8455f0e096175b28321aff",
+			},
+			Signature:    "3044022035694a9b99a9236655c658eb07fc3b02ce5edcc24b76424a7287c54ed3822b0602203621e92defb360490610f763d85e94c2db2807a4bd7756cc8a6a585463ef7bae",
+			Confirmations: 4347586,
+			Transactions: 52,
+			Timestamp: Timestamp{
+				Epoch: 0,
+				Unix:  1490101200,
+				Human: "2017-03-21T13:00:00.000Z",
+			},
+		},
+	})
+}
+
+// Get the last block.
+func TestBlocksService_Last(t *testing.T) {
+	client, mux, _, teardown := setupTest()
+	defer teardown()
+
+	mux.HandleFunc("/blocks/last", func(writer http.ResponseWriter, request *http.Request) {
+		testMethod(t, request, "GET")
+		fmt.Fprint(writer,
+			`{
+			  "data": {
+			    "id": "dummy",
+			    "version": 0,
+			    "height": 10,
+			    "previous": "dummy",
+			    "forged": {
+			      "reward": "200000000",
+			      "fee": "0",
+			      "total": "200000000",
+			      "amount": "0"
+			    },
+			    "payload": {
+			      "hash": "dummy",
+			      "length": 0
+			    },
+			    "generator": {
+			      "username": "dummy",
+			      "address": "dummy",
+			      "publicKey": "dummy"
+			    },
+			    "signature": "dummy",
+			    "confirmations": 0,
+			    "transactions": 0,
+			    "timestamp": {
+			      "epoch": 40678848,
+			      "unix": 1530780048,
+			      "human": "2018-07-05T08:40:48Z"
+			    }
+			  }
+			}`)
+	})
+
+	responseStruct, response, err := client.Blocks.Last(context.Background())
+	testGeneralError(t, "Blocks.Last", err)
+	testResponseUrl(t, "Blocks.Last", response, "/blocks/last")
+	testResponseStruct(t, "Blocks.Last", responseStruct, &GetBlock{
+		Data: Block{
+			Id:       "dummy",
+			Version:  0,
+			Height:   10,
+			Previous: "dummy",
+			Forged: BlockForged{
+				Reward: 200000000,
+				Fee:    0,
+				Total:  200000000,
+				Amount: 0,
+			},
+			Payload: BlockPayload{
+				Hash:   "dummy",
+				Length: 0,
+			},
+			Generator: BlockGenerator{
+				Username:  "dummy",
+				Address:   "dummy",
+				PublicKey: "dummy",
+			},
+			Signature:     "dummy",
+			Confirmations: 0,
+			Transactions:  0,
+			Timestamp: Timestamp{
+				Epoch: 40678848,
+				Unix:  1530780048,
+				Human: "2018-07-05T08:40:48Z",
+			},
+		},
+	})
+}
+
 // Get all transactions by the given block.
 func TestBlocksService_Transactions(t *testing.T) {
 	client, mux, _, teardown := setupTest()