merge 4.4

.gitignore

@@ -8,6 +8,7 @@ debug*
 docker/blockbook
 build/pkg-defs
 build/blockbook
+build/blockchaincfg.json
 build/ldb
 build/sst_dump
 build/*.deb

.gitlab-ci.yml

@@ -25,7 +25,7 @@ integration-test:
     - schedules
   tags:
     - blockbook
-  script: make test-integration ARGS="-run='TestIntegration/(bcash|bgold|bitcoin|dash|dogecoin|litecoin|vertcoin|zcash)=main/'"
+  script: make test-integration ARGS="-run='TestIntegration/(bcash|bgold|bitcoin|dash|dogecoin|litecoin|vertcoin|zcash|syscoin)=main/'"
 
 backend-deploy-and-test-bcash:
   stage: backend-deploy-and-test
@@ -158,3 +158,25 @@ backend-deploy-and-test-ethereum_testnet_ropsten:
   tags:
     - blockbook
   script: ./contrib/scripts/backend-deploy-and-test.sh ethereum_testnet_ropsten ethereum-testnet-ropsten ethereum=test ethereum_testnet_ropsten.log 
+
+backend-deploy-and-test-syscoin:
+  stage: backend-deploy-and-test
+  only:
+    refs:
+      - master
+    changes:
+      - configs/coins/syscoin.json
+  tags:
+    - blockbook
+  script: ./contrib/scripts/backend-deploy-and-test.sh syscoin
+
+backend-deploy-and-test-syscoin_testnet:
+  stage: backend-deploy-and-test
+  only:
+    refs:
+      - master
+    changes:
+      - configs/coins/syscoin_testnet.json
+  tags:
+    - blockbook
+  script: ./contrib/scripts/backend-deploy-and-test.sh syscoin_testnet syscoin-testnet syscoin=test testnet3/debug.log 

CONTRIBUTING.md

@@ -1,11 +1,11 @@
 # Blockbook Contributor Guide
 
-Blockbook is back-end service for Trezor wallet. Although it is open source, the design and development of the core packages
-is done by Trezor developers in order to keep Blockbook compatible with Trezor.
+Blockbook is a back-end service for the Trezor wallet. Although it is open source, the design and development of the core packages
+is done by the Trezor developers to keep Blockbook compatible with Trezor.
 
-Bug fixes and support for new coins are welcome. Please take note that non-fixing pull requests that change base
-packages or another coin code will not be accepted. If you have a need to change some of the existing code, please file
-an issue and discuss your request with Blockbook maintainers.
+Bug fixes and support for new coins are welcome. **Please take note that pull requests that are not fixes and that change base
+packages or another coin code will not be accepted.** If you need a change in the existing core code, please file
+an issue and discuss your request with the Blockbook maintainers.
 
 ## Development environment
 
@@ -16,10 +16,10 @@ Instructions to set up your development environment and build Blockbook are desc
 
 ### Reporting bugs
 
-A great way to contribute to the project is to send a detailed report when you encounter an issue. We always appreciate
-a well-written, thorough bug report, and will thank you for it!
+A great way to contribute to the project is to send a detailed report when you encounter a problem. We always appreciate
+a well-written and thorough bug report, and we'll be grateful for it!
 
-Check that [our issue database](https://github.com/trezor/blockbook/issues) doesn't already include that problem or
+Check that [our issue database](https://github.com/syscoin/blockbook/issues) doesn't already include that problem or
 suggestion before submitting an issue. If you find a match, you can use the "subscribe" button to get notified on
 updates. Do not leave random "+1" or "I have this too" comments, as they only clutter the discussion, and don't help
 resolving it. However, if you have ways to reproduce the issue or have additional information that may help resolving