Added SubmitBlock RPC method

pkg/rpc/daemon/jsonrpc.go

@@ -2,6 +2,7 @@ package daemon
 
 import (
 	"context"
+	"encoding/hex"
 	"encoding/json"
 	"fmt"
 )
@@ -29,6 +30,7 @@ const (
 	methodRelayTx                = "relay_tx"
 	methodSetBans                = "set_bans"
 	methodSyncInfo               = "sync_info"
+	methodSubmitBlock            = "submit_block"
 )
 
 // GetAlternateChains displays alternative chains seen by the node.
@@ -244,6 +246,22 @@ func (c *Client) GetMinerData(ctx context.Context) (*GetMinerDataResult, error)
 	return resp, nil
 }
 
+func (c *Client) SubmitBlock(ctx context.Context, blobs ...[]byte) (*SubmitBlockResult, error) {
+	resp := &SubmitBlockResult{}
+
+	params := make([]string, 0, len(blobs))
+	for _, blob := range blobs {
+		params = append(params, hex.EncodeToString(blob))
+	}
+
+	err := c.JSONRPC(ctx, methodSubmitBlock, params, resp)
+	if err != nil {
+		return nil, fmt.Errorf("jsonrpc: %w", err)
+	}
+
+	return resp, nil
+}
+
 func (c *Client) GetConnections(
 	ctx context.Context,
 ) (*GetConnectionsResult, error) {

pkg/rpc/daemon/types.go

@@ -290,6 +290,12 @@ type GetMinerDataResult struct {
 	} `json:"tx_backlog"`
 }
 
+// SubmitBlockResult is the result of a call to the SubmitBlock RPC
+// method.
+type SubmitBlockResult struct {
+	Status string `json:"status"`
+}
+
 type Peer struct {
 	Host        string `json:"host"`
 	ID          uint64 `json:"id"`