upgrade Seele to version 1.3.0 (#1098)

* add another getMiningTarget function

* fix a bug in getSecondMiningTarget function

* add hash comparison to reduce forks

* add a tool to check the consistency of the balances

* fix a bug in cross-shard synchronization

* fix bugs in cross-shard transactions

* change the flag shortcut in checkbalance.go to resolve the conflicts

* FOR TEST ONLY: remove debt validation

* change checkbalance flags

* add a size limit for debt manager pool; add a database to store debts in case the debt manager pool is full

* add a new line to the end of core/pool_config.go

* add a new line to the end of seele/debtManager.go

* fix a typo in seeleservice.go

* change the Seele reward parameter

* modify reward condition

* fix bugs in format printing

* add new consensus engine

* add spow api

* modify cached_store_test.go

* modify some unit tests because the block header structure has changed

* fix a bug in engine.go

* establish master account in the genesis block

* add some test accounts

* delete binary file

* modify spow to use memory only

* add dynamic adjustment for the size of hashpool

* add bound check; modify initial balance of the master account; modify some unit tests

* adjust the maximum difficulty

* fix synchronization bugs

* fix typo

* create genesis timestamp;refine the genesis structure for future more shards

* remove static node in node1.json

* new master accounts

* adjust unit test

* add static nodes for mainnet connection

* add static nodes for mainnet connection2

* optimize object pool and peer synchronization

* optimize doSelectNode to speed up the connection of all the shards

* object_pool

* disable print info

* change the number of times of random node selection

* update travis config

* remove travis.yml

* modify .travis.yml

* optimize spow mining kernel

* optimize spow engine

* adjust the upper limit of number of bits

* for test only

* modify spow engine, remove mutex

* enhance spow engine and forking logic; adjust difficulty for future blocks

* add upper limit to bitsToNonceMap

* add new logic to spow consensus engine; forcing disconnection of invalid peer

* disable some backend messages

* a small modification

* change some infos to debug mode

* add the rewriting of local fork

* disable some warning messages

* start using new algo on shard 1

* for test only

* initialize the blockchain at a given height

* optimize lightchain synchronization; add lightchain rollback

* disable a warning

* update head block hash after reversing blockchain

* disable a warning

* fix a bug in chain reversal; add lightchain info

* modify the unit tests

* continue the program when the recovery point is not usable; fix a bug so that headblockhash and currentBlock are updated as expected

* fix some unhandled errors

* fix a format issue

* fix a issus related to printing strings

* fix a nil pointer issue

* fix a bug related to transaction nonce

* improve tx handling, hard fork at height 735000

* adjust nonce handling

* always chainhead while writing a block; improve the handling of txindices; disconnect peer if the ancestor is not found

* change version number

* recover height to block mapping

* fix blockleaves && change the frequency of announce sending

* disable some log info

* change version to 1.1.4

* modify a mutex lock in the pool

* improve p2p connection, modify some constants

* change version number to v1.2.1

* merge upstream 2

* fix handleFee issue

* update version to v1.2.3

* optimize message timeout logic

* optimize message timeout logic

* change the freq of tx broadcasting && fix the logic of block headerHash creation

* fix a bug related to deleteLargerHeightBlock

* change Go-Seele version to 1.2.7

* modify json-rpc funcs

* Seele version 1.3.0

common/constant.go

@@ -22,7 +22,7 @@ const (
 	SeeleVersion uint = 1
 
 	// SeeleVersion for simpler display
-	SeeleNodeVersion string = "v1.2.7"
+	SeeleNodeVersion string = "v1.3.0"
 
 	// ShardCount represents the total number of shards.
 	ShardCount = 4