feat: unify config format with json

Author: zhangsoledad

Cargo.lock

@@ -7,7 +7,6 @@ build = "build.rs"
 
 [dependencies]
 clap = { version = "2", features = ["yaml"] }
-toml = "0.4"
 serde = "1.0"
 serde_derive = "1.0"
 log = "0.4"

Cargo.toml

@@ -101,5 +101,5 @@ $ cargo run -- run --data-dir=/tmp/node2
 
 Modify development config file
 ```shell
-cp src/config/development.toml /tmp/node1/config.toml
+cp src/config/default.json /tmp/node1/config.json
 ```

README.md

@@ -20,7 +20,6 @@ pub mod chain;
 pub mod difficulty;
 pub mod error;
 pub mod extras;
-pub mod global;
 pub mod header;
 pub mod script;
 pub mod service;

core/src/global.rs

@@ -19,7 +19,7 @@ npm run build
 
 start node with development config file:
 ```
-cp src/config/development.toml /tmp/node1/config.toml
+cp src/config/default.json /tmp/node1/config.json
 
 cargo run -- run --data-dir=/tmp/node1
 ```

core/src/lib.rs

@@ -5,7 +5,7 @@ license = "MIT"
 authors = ["Nervos Core Dev <dev@nervos.org>"]
 
 [dependencies]
-serde_yaml = "0.7"
+serde_json = "1.0"
 bigint = { git = "https://github.com/nervosnetwork/bigint" }
 ckb-core = { path = "../core" }
 serde_derive = "1.0"

explorer/README.md

@@ -0,0 +1,48 @@
+{
+    "__comments__": {
+        "system_cells": [
+            "When loading dev.yaml, we will modify the path here to simplify loading,",
+            "but if you are copying this file elsewhere, you will need to provide full path ",
+            "or relative path to where ckb is executing."
+        ],
+
+        "edge_bits": [
+            "the 2-log of the graph size",
+            "which is the size in bits of the node identifiers"
+        ],
+
+        "cycle_length": [
+            "length of the cycle to be found, must be an even number",
+            "a minimum of 12 is recommended"
+        ]
+    },
+
+    "name": "ckb",
+    "genesis": {
+        "seal": {
+            "nonce": 0,
+            "proof": [0]
+        },
+        "version": 0,
+        "parent_hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "timestamp": 0,
+        "txs_commit": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "txs_proposal": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "difficulty": "0x100",
+        "cellbase_id": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "uncles_hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+    },
+    "params": {
+        "initial_block_reward": 50000
+    },
+    "system_cells": [
+        {"path": "verify"},
+        {"path": "always_success"}
+    ],
+    "pow": {
+        "Cuckoo": {
+            "edge_bits": 15,
+            "cycle_length": 12
+        }
+    }
+}