feat: add spv go services

src/spv-gateway-populator/.github/workflows/actions.yaml

@@ -0,0 +1,38 @@
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+      - 'main'
+
+env:
+  CI_JOB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  converge:
+    name: Converge
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Install werf
+        uses: werf/actions/install@v1.2
+
+      - name: Log in to registry
+        # This is where you will update the personal access token to GITHUB_TOKEN
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
+
+      - name: Run echo
+        run: |
+          werf version
+          docker version
+          echo $GITHUB_REPOSITORY
+          echo $GITHUB_SHA
+      - name: Run Build
+        run: |
+          . $(werf ci-env github --as-file)
+          werf export service --tag ghcr.io/$GITHUB_REPOSITORY:$GITHUB_SHA

src/spv-gateway-populator/.github/workflows/code-review.yaml

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+on:
+  pull_request:
+
+permissions:
+  checks: write
+  contents: read
+  pull-requests: write
+
+jobs:
+  lint:
+    name: code-review
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      # - name: golangci-lint
+      #   uses: reviewdog/action-golangci-lint@v2
+      #   with:
+      #     reporter: github-pr-review
+      #     cache: false

src/spv-gateway-populator/.github/workflows/tag.yaml

@@ -0,0 +1,37 @@
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+env:
+  CI_JOB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  converge:
+    name: Converge
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Install werf
+        uses: werf/actions/install@v1.2
+
+      - name: Log in to registry
+        # This is where you will update the personal access token to GITHUB_TOKEN
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
+
+      - name: Run echo
+        run: |
+          werf version
+          docker version
+          echo $GITHUB_REPOSITORY
+          echo $GITHUB_REF_NAME
+      - name: Run Build
+        run: |
+          . $(werf ci-env github --as-file)
+          werf export service --tag ghcr.io/$GITHUB_REPOSITORY:$GITHUB_REF_NAME

src/spv-gateway-populator/.gitignore

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+.vscode/
+.idea/
+config.*.yaml
+docs/node_modules
+docs/web_deploy
+vendor/

src/spv-gateway-populator/Dockerfile

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+FROM golang:1.20-alpine as buildbase
+
+RUN apk add git build-base
+
+WORKDIR /go/src/github.com/distributed-lab/spv-contract-populator
+COPY vendor .
+COPY . .
+
+RUN GOOS=linux go build  -o /usr/local/bin/blocks-sync-svc /go/src/github.com/distributed-lab/spv-contract-populator
+
+
+FROM alpine:3.9
+
+COPY --from=buildbase /usr/local/bin/blocks-sync-svc /usr/local/bin/blocks-sync-svc
+RUN apk add --no-cache ca-certificates
+
+ENTRYPOINT ["blocks-sync-svc"]

src/spv-gateway-populator/README.md

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+# SPV Gateway Populator
+
+This service automatically fetches new Bitcoin blocks and adds them to the contract at a set time interval.
+
+## Usage
+
+### 1. Build the service
+
+```bash
+go build main.go
+```
+
+### 2. Set the configuration file (see example in ../example.config.yaml)
+
+```bash
+export KV_VIPER_FILE=./config.yaml
+```
+
+### 3. Run the service
+```bash
+./main run service
+```

src/spv-gateway-populator/docs/.redoclyrc

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+
+apiTitle: blocks-sync-svc
+splitSpec: true
+codeSamples: false
+swaggerUI: true
+travis: true
+repo: tokend/notifications/notifications-router-svc
+oasVersion: 1.0.0
+

src/spv-gateway-populator/docs/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2025 Distributed Lab
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.