Introduce genesis builder (paritytech#282)

* Initial genesis-builder pallet

* Refactor chain_spec a bit

* Add force_set_free_balance() for genesis-builder

* .

* Finish xstaking genesis builder

* Finish xbtc genesis

* Fix some corner cases when importing 1.0 state

* Deal with the details

* .

* Use deserialize_with

* Merge xbtc_miners.json xbtc_info.json

* Split out xp-genesis-builder

* Split out WellknownAccounts

* Split out ValidatorInfo

* Split out XStakingParams

* Merge wellknown_accounts into balances

* Refactor xbtc_assets

* .

* Merge res.rs

* Fix staking test

* Merge all builder params into one

* Nits

* Nits

* Avoid the allocation and apply the review

* Remove unused deps

Author: liuchengxu

Cargo.lock

@@ -20,28 +20,30 @@ members = [
     "cli",
     "executor",
     "primitives",
-    "primitives/runtime",
-    "primitives/mining/common",
-    "primitives/mining/staking",
     "primitives/assets-registrar",
+    "primitives/genesis-builder",
     "primitives/io",
+    "primitives/mining/common",
+    "primitives/mining/staking",
+    "primitives/runtime",
     "rpc",
     "runtime",
 
     "xpallets/assets",
     "xpallets/assets/rpc",
     "xpallets/assets/rpc/runtime-api",
     "xpallets/assets-registrar",
+    "xpallets/dex/spot",
+    "xpallets/dex/spot/rpc",
+    "xpallets/dex/spot/rpc/runtime-api",
     "xpallets/gateway/bitcoin",
     "xpallets/gateway/common",
     "xpallets/gateway/common/rpc",
     "xpallets/gateway/common/rpc/runtime-api",
     "xpallets/gateway/records",
     "xpallets/gateway/records/rpc",
     "xpallets/gateway/records/rpc/runtime-api",
-    "xpallets/dex/spot",
-    "xpallets/dex/spot/rpc",
-    "xpallets/dex/spot/rpc/runtime-api",
+    "xpallets/genesis-builder",
     "xpallets/mining/asset",
     "xpallets/mining/asset/rpc",
     "xpallets/mining/asset/rpc/runtime-api",

Cargo.toml

@@ -51,6 +51,7 @@ chainx-primitives = { path = "../primitives" }
 chainx-rpc = { path = "../rpc" }
 chainx-runtime = { path = "../runtime" }
 xp-io = { path = "../primitives/io" }
+xp-genesis-builder  = { path  = "../primitives/genesis-builder" }
 xpallet-protocol = { path = "../xpallets/protocol" }
 
 [build-dependencies]

cli/Cargo.toml

@@ -29,8 +29,8 @@ use chainx_runtime::{
     AuthorityDiscoveryConfig, BalancesConfig, CouncilConfig, DemocracyConfig, ElectionsConfig,
     GenesisConfig, GrandpaConfig, ImOnlineConfig, IndicesConfig, SessionConfig, SocietyConfig,
     SudoConfig, SystemConfig, TechnicalCommitteeConfig, XAssetsConfig, XAssetsRegistrarConfig,
-    XGatewayBitcoinConfig, XGatewayCommonConfig, XMiningAssetConfig, XSpotConfig, XStakingConfig,
-    XSystemConfig,
+    XGatewayBitcoinConfig, XGatewayCommonConfig, XGenesisBuilderConfig, XMiningAssetConfig,
+    XSpotConfig, XStakingConfig, XSystemConfig,
 };
 
 use crate::genesis::bitcoin::{BtcGenesisParams, BtcTrusteeParams};
@@ -777,5 +777,8 @@ fn build_genesis(
         xpallet_dex_spot: Some(XSpotConfig {
             trading_pairs: vec![(PCX, X_BTC, 9, 2, 100000, true)],
         }),
+        xpallet_genesis_builder: Some(XGenesisBuilderConfig {
+            params: crate::genesis::genesis_builder_params(),
+        }),
     }
 }

cli/src/chain_spec.rs

@@ -1,3 +1,13 @@
 // Copyright 2019-2020 ChainX Project Authors. Licensed under GPL-3.0.
 
 pub mod bitcoin;
+
+use xp_genesis_builder::AllParams;
+
+use chainx_primitives::{AccountId, Balance};
+
+pub fn genesis_builder_params() -> AllParams<AccountId, Balance, Balance, Balance> {
+    serde_json::from_str(include_str!("../res/genesis_builder_params.json"))
+        .map_err(|e| log::error!("{:?}", e))
+        .expect("JSON was not well-formatted")
+}