Merge pull request #33 from Retropex/sign

add sign message action

Dockerfile

@@ -87,6 +87,7 @@ COPY ./manager/target/${ARCH}-unknown-linux-musl/release/bitcoind-manager \
      ./actions/reindex.sh \
      ./actions/sendcoin.sh \
      ./actions/sendall.sh \
+     ./actions/signmessage.sh \
      ./actions/reindex_chainstate.sh \
      ./actions/prioritise-transaction.sh \
      ./check-rpc.sh \

actions/signmessage.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+set -e
+
+if ! bitcoin-cli listwalletdir | jq -e '.wallets[] | select(.name == "coin")' &> /dev/null; then
+	bitcoin-cli createwallet "coin" &> /dev/null
+fi
+
+if ! bitcoin-cli getwalletinfo &> /dev/null; then
+    bitcoin-cli loadwallet coin &> /dev/null
+fi
+
+cat > input.json
+ADDRESS=$(jq -r '.["address"]' input.json)
+MESSAGE=$(jq -r '.["message"]' input.json)
+rm input.json
+
+SIG=$(bitcoin-cli signmessage "$ADDRESS" "$MESSAGE")
+
+result="    {
+    \"version\": \"0\",
+    \"message\": \"Signature: $SIG\",
+    \"value\": null,
+    \"copyable\": true,
+    \"qr\": false
+}"
+
+echo $result

manifest.yaml

@@ -323,6 +323,35 @@ actions:
         range: "[0,1000000]"
         default: 0
         nullable: false
+  signmessage:
+    name: "Sign message"
+    description: "Sign a message with a bitcoin address."
+    allowed-statuses:
+      - running
+    implementation:
+      type: docker
+      image: main
+      system: false
+      entrypoint: signmessage.sh
+      args: []
+      io-format: json
+      mounts:
+        main: /root/.bitcoin
+      inject: true
+    input-spec:
+      address:
+        type: string
+        name: Address
+        description: "The bitcoin address to use to sign the message."
+        placeholder: ""
+        nullable: false
+      message:
+        type: string
+        name: Message
+        description: "The message to sign."
+        placeholder: ""
+        nullable: false
+
 migrations:
   from:
     "*":