[dev] block module

Author: nanmu42

block.go

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2018 LI Zhennan
+ *
+ * Use of this work is governed by a MIT License.
+ * You may find a license copy in project root.
+ */
+
+package etherscan
+
+// BlockReward gets block and uncle rewards by block number
+func (c *Client) BlockReward(blockNum int) (rewards BlockRewards, err error) {
+	param := M{
+		"blockno": blockNum,
+	}
+
+	err = c.call("block", "getblockreward", param, &rewards)
+	return
+}

block_e2e_test.go

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018 LI Zhennan
+ *
+ * Use of this work is governed by a MIT License.
+ * You may find a license copy in project root.
+ */
+
+package etherscan
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestClient_BlockReward(t *testing.T) {
+	const ans = `{"blockNumber":"2165403","timeStamp":"1472533979","blockMiner":"0x13a06d3dfe21e0db5c016c03ea7d2509f7f8d1e3","blockReward":"5314181600000000000","uncles":[{"miner":"0xbcdfc35b86bedf72f0cda046a3c16829a2ef41d1","unclePosition":"0","blockreward":"3750000000000000000"},{"miner":"0x0d0c9855c722ff0c78f21e43aa275a5b8ea60dce","unclePosition":"1","blockreward":"3750000000000000000"}],"uncleInclusionReward":"312500000000000000"}`
+
+	reward, err := api.BlockReward(2165403)
+	noError(t, err, "api.BlockReward")
+
+	j, err := json.Marshal(reward)
+	noError(t, err, "json.Marshal")
+	if string(j) != ans {
+		t.Errorf("api.BlockReward not working, got %s, want %s", j, ans)
+	}
+}

response.go

@@ -114,3 +114,17 @@ type ExecutionStatus struct {
 	IsError        int    `json:"isError,string"`
 	ErrDescription string `json:"errDescription"`
 }
+
+// BlockRewards holds info from query for block and uncle rewards
+type BlockRewards struct {
+	BlockNumber int     `json:"blockNumber,string"`
+	TimeStamp   Time    `json:"timeStamp"`
+	BlockMiner  string  `json:"blockMiner"`
+	BlockReward *BigInt `json:"blockReward"`
+	Uncles      []struct {
+		Miner         string  `json:"miner"`
+		UnclePosition int     `json:"unclePosition,string"`
+		BlockReward   *BigInt `json:"blockreward"`
+	} `json:"uncles"`
+	UncleInclusionReward *BigInt `json:"uncleInclusionReward"`
+}