bank: demo withdraw/credit helpers (container; no public landing yet)

scripts/taler-bank/make-demo-withdraw-qr.sh

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+#!/bin/bash
+# Create a demo GOA withdrawal for user explorer and write QR assets under LANDING_DIR.
+# Run on koopa (host) with bank on 127.0.0.1:9012.
+set -euo pipefail
+
+BANK="${BANK_URL:-http://127.0.0.1:9012}"
+USER="${BANK_USER:-explorer}"
+PASS="${BANK_PASS:-}"
+AMOUNT="${AMOUNT:-GOA:10}"
+LANDING_DIR="${LANDING_DIR:-/var/www/bank-landing}"
+
+if [ -z "$PASS" ]; then
+  if [ -f /root/bank-explorer-password.txt ]; then
+    PASS=$(tr -d '\n' </root/bank-explorer-password.txt)
+  elif [ -f /tmp/bank-caddy-wire.log ]; then
+    PASS=$(grep -E '^explorer=' /tmp/bank-caddy-wire.log | tail -1 | cut -d= -f2-)
+  fi
+fi
+if [ -z "$PASS" ]; then
+  echo "Set BANK_PASS or put password in /root/bank-explorer-password.txt" >&2
+  exit 1
+fi
+
+WORKDIR=$(mktemp -d)
+trap 'rm -rf "$WORKDIR"' EXIT
+
+echo "{\"scope\":\"readwrite\",\"refreshable\":true}" >"$WORKDIR/tok.json"
+curl -sS -m 15 -u "${USER}:${PASS}" \
+  -H "Content-Type: application/json" \
+  -d @"$WORKDIR/tok.json" \
+  "${BANK}/accounts/${USER}/token" >"$WORKDIR/tok.out"
+
+TOKEN=$(python3 - "$WORKDIR/tok.out" <<'PY'
+import json,sys
+d=json.load(open(sys.argv[1]))
+print(d.get("access_token",""))
+PY
+)
+if [ -z "$TOKEN" ]; then
+  echo "token failed:" >&2
+  cat "$WORKDIR/tok.out" >&2
+  exit 1
+fi
+
+echo "{\"suggested_amount\":\"${AMOUNT}\"}" >"$WORKDIR/wd.json"
+curl -sS -m 15 \
+  -H "Authorization: Bearer ${TOKEN}" \
+  -H "Content-Type: application/json" \
+  -d @"$WORKDIR/wd.json" \
+  "${BANK}/accounts/${USER}/withdrawals" >"$WORKDIR/wd.out"
+
+URI=$(python3 - "$WORKDIR/wd.out" <<'PY'
+import json,sys
+d=json.load(open(sys.argv[1]))
+print(d.get("taler_withdraw_uri") or "")
+if not d.get("taler_withdraw_uri"):
+    sys.stderr.write(open(sys.argv[1]).read()+"\n")
+    sys.exit(1)
+print(d.get("withdrawal_id",""), file=sys.stderr)
+PY
+)
+
+mkdir -p "$LANDING_DIR"
+printf '%s\n' "$URI" >"$LANDING_DIR/withdraw.uri"
+printf '%s\n' "$AMOUNT" >"$LANDING_DIR/withdraw.amount"
+date -u +%Y-%m-%dT%H:%MZ >"$LANDING_DIR/withdraw.created"
+# track id for auto-confirm-withdrawals.sh
+WID=$(basename "$URI")
+echo "$WID" >>"$LANDING_DIR/withdraw-watch.ids"
+sort -u "$LANDING_DIR/withdraw-watch.ids" -o "$LANDING_DIR/withdraw-watch.ids"
+echo "watch_id=$WID (auto-confirm when wallet selects)"
+
+# QR as SVG (no external deps) via python qrcode if present, else pure matrix via segno/qrcode
+python3 - "$URI" "$LANDING_DIR/withdraw-qr.svg" <<'PY'
+import sys
+uri, out = sys.argv[1], sys.argv[2]
+try:
+    import qrcode
+    import qrcode.image.svg
+    img = qrcode.make(uri, image_factory=qrcode.image.svg.SvgPathImage)
+    img.save(out)
+    print("qrcode lib ok")
+except Exception as e:
+    # minimal fallback: write HTML with data attribute for client-side QR
+    open(out, "w").write(
+        f'<?xml version="1.0"?><svg xmlns="http://www.w3.org/2000/svg" width="8" height="8">'
+        f'<!-- QR_FALLBACK uri={uri} --></svg>\n'
+    )
+    open(out + ".uri", "w").write(uri)
+    print("fallback:", e)
+PY
+
+# Also PNG if pillow/qrcode available
+python3 - "$URI" "$LANDING_DIR/withdraw-qr.png" <<'PY' || true
+import sys
+uri, out = sys.argv[1], sys.argv[2]
+import qrcode
+img = qrcode.make(uri, box_size=8, border=2)
+img.save(out)
+print("png ok", out)
+PY
+
+echo "URI=$URI"
+echo "wrote under $LANDING_DIR"
+ls -la "$LANDING_DIR"/withdraw* 2>/dev/null || true
+
+# Refresh public stats.json when landing-stats is available (in-container path)
+if [ -x /usr/local/bin/landing-stats.sh ]; then
+  LANDING_DIR="$LANDING_DIR" /usr/local/bin/landing-stats.sh || true
+elif [ -x "$(dirname "$0")/landing-stats.sh" ]; then
+  LANDING_DIR="$LANDING_DIR" "$(dirname "$0")/landing-stats.sh" || true
+fi