Blind outputs with blinders (#152)

* export Blinder

* Blind with blinders

* MakeFile

* blindreissuance test does not pass

* WIP - blind outputs

* disable caching in make test

* random generator inside outputs loop

* use BlindingData struct instead of pointers

* log

* add ci.yml

* name in blinder.go

* does not crawl all outputs when set the commitments/nonce

* use make test in travis.yml

* Sort ouput indexes before blinding

* blinder factory using outputs to pub key map

* add test case 1 conf output + 1 unconf output

* export Blinder struct

* drop NewBlinderByIndex

* NewBlinderByIndex = NewBlinder

Co-authored-by: altafan <pietro@vulpem.com>

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: Go
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  integration:
+    name: Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.14.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: ^1.14
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Install Nigiri
+        run: | 
+          mkdir ~/.nigiri; cd ~/.nigiri
+          curl https://travis.nigiri.network | bash; cd
+          docker-compose -f ~/.nigiri/docker-compose.yml up -d
+          
+      - name: Get dependencies
+        run: go get -v -t -d ./...
+
+      - name: Test
+        run: make test

.travis.yml

@@ -17,7 +17,7 @@ env:
 
 script:
   - if [ -n "$(gofmt -l .)" ]; then echo "Go code is not formatted"; exit 1; fi
-  - go test -count=1 -race ./... -v
+  - make test
 
 after_script:
   - docker-compose -f tmp/docker-compose.yml down && rm -rf tmp

Makefile

@@ -0,0 +1,8 @@
+## help: prints this help message
+help:
+	@echo "Usage: \n"
+	@sed -n 's/^##//p' ${MAKEFILE_LIST} | column -t -s ':' |  sed -e 's/^/ /'
+
+test: 
+	export API_URL=http://localhost:3001; \
+	go test -count=1 -v ./... 

README.md

@@ -74,8 +74,7 @@ $ go get -t -v ./...
 
 ```
 $ nigiri start --liquid
-$ export API_URL=http://localhost:3001
-$ go test ./... -v
+$ make test
 ```
 
 * More detailed documentation

go.mod

@@ -3,11 +3,11 @@ module github.com/vulpemventures/go-elements
 go 1.14
 
 require (
-	github.com/btcsuite/btcd v0.20.1-beta
+	github.com/btcsuite/btcd v0.21.0-beta
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/btcsuite/btcutil/psbt v1.0.2
-	github.com/stretchr/testify v1.5.1
+	github.com/stretchr/testify v1.7.0
 	github.com/vulpemventures/fastsha256 v0.0.0-20160815193821-637e65642941
 	github.com/vulpemventures/go-secp256k1-zkp v1.1.0
-	golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d
+	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
 )