bump dnsseeder for faster skipping of flux peers (#15)

* Bump dnsseeder and btcd versions for minimum protocol version and other fixes

See https://github.com/ZcashFoundation/dnsseeder/releases/tag/v0.2.2

* fix z.cash seeder address

.github/workflows/gcloud.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@master
+      uses: actions/checkout@v3
 
     - name: Set project and image names
       run: |
@@ -27,7 +27,7 @@ jobs:
         echo "SHORT_SHA=$(git rev-parse --short=7 $GITHUB_SHA)" >> $GITHUB_ENV
 
     # Setup gcloud CLI
-    - uses: google-github-actions/setup-gcloud@master
+    - uses: google-github-actions/setup-gcloud@v0
       with:
         version: '295.0.0'
         project_id: ${{ env.PROJECT_ID }}

Dockerfile

@@ -11,7 +11,7 @@ RUN apk --no-cache add \
 	make
 
 ENV COREDNS_VERSION v1.6.9
-ENV DNSSEEDER_VERSION master
+ENV DNSSEEDER_VERSION v0.2.3
 
 RUN git clone --depth 1 --branch ${COREDNS_VERSION} https://github.com/coredns/coredns /go/src/github.com/coredns/coredns
 
@@ -19,7 +19,7 @@ WORKDIR /go/src/github.com/coredns/coredns
 
 RUN echo "dnsseed:github.com/zcashfoundation/dnsseeder/dnsseed" >> /go/src/github.com/coredns/coredns/plugin.cfg
 # Must be the same replace as in `dnsseeder`. Currently pointing to "main-zfnd" branch
-RUN echo "replace github.com/btcsuite/btcd => github.com/ZcashFoundation/btcd v0.22.0-beta.0.20211118133831-ca5d3008dd64" >> /go/src/github.com/coredns/coredns/go.mod
+RUN echo "replace github.com/btcsuite/btcd => github.com/ZcashFoundation/btcd v0.22.0-beta.0.20220607000607-40dc9492aa42" >> /go/src/github.com/coredns/coredns/go.mod
 
 RUN go get github.com/zcashfoundation/dnsseeder/dnsseed@${DNSSEEDER_VERSION}
 

coredns/Corefile

@@ -10,7 +10,7 @@ mainnet.seeder.example.com {
 testnet.seeder.example.com {
     dnsseed {
         network testnet
-        bootstrap_peers testnet.z.cash:18233 testnet.is.yolo.money:18233 testnet.seeder.zfnd.org:18233
+        bootstrap_peers dnsseed.testnet.z.cash:18233 testnet.is.yolo.money:18233 testnet.seeder.zfnd.org:18233
         crawl_interval 15m
         record_ttl 300
     }