Pending (#571)

* add PendingBlockNumber -1

* increase block times

* update bn

* get pending balance

* additional logic to check for pending state

* add multiple balance query

* pending state for getTransactionCount

* fix lint

* add getBlockTransactionCountByNumber code - commented

* cleanup test

* GetBlockTransactionCountByNumber

* cleanup

* getBlockByNumber

* GetTransactionByBlockNumberAndIndex

* conform to namespace changes

* exportable FormatBlock method

* eth_getTransactionByHash

* eth_getTransactionByBlockNumberAndIndex

* pending nonce

* set nonce for pending and check for invalid

* WIP: doCall

* add pending tx test

* cleanup + refactor

* push first tests and init pending

* pending changes (#600)

* cleanup

* updates

* more fixes

* lint

* update call and send

* comments and minor changes

* add pending tests into sep package

* fix latest case for eth_GetBlockTransactionCountByNumber

* fix repeating null transactions in queue

* remove repeated structs

* latestblock case

* revert init script back

* fix to exportable method

* automate pending tests; add make cmd

* move and comment out pending call test

* fix some golint

* fix unlock issue

* wip: linter stringer fix?

* stringer lint

* set arr instead of append

* instantiate with length

* sep if statement

* edit pendingblocknumber note

* switch statement

* fix and update tests

* move tests-pending into tests dir

* remove commented test

* revert to appending pendingtx

* Update tests/utils.go

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* Update tests/utils.go

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* Update tests/utils.go

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* require no err

* rename var

* check result for eth_sendTransaction

* update changelog

* update

* Update tests/utils.go

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* Update tests/tests-pending/rpc_pending_test.go

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* changelog

* remove redundant check

Co-authored-by: noot <elizabethjbinks@gmail.com>
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Federico Kunze <federico.kunze94@gmail.com>

Makefile

@@ -266,7 +266,10 @@ test-import:
 	rm -rf importer/tmp
 
 test-rpc:
-	./scripts/integration-test-all.sh -q 1 -z 1 -s 2
+	./scripts/integration-test-all.sh -t "rpc" -q 1 -z 1 -s 2 -m "rpc"
+
+test-rpc-pending:
+	./scripts/integration-test-all.sh -t "pending" -q 1 -z 1 -s 2 -m "pending"
 
 test-contract:
 	@type "npm" 2> /dev/null || (echo 'Npm does not exist. Please install node.js and npm."' && exit 1)